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MISC-TN-009: Characterizing the RAM bandwidth of Mito8M SoM

55,667 bytes added, 10:58, 29 January 2020

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==Introduction==

Mito8M is the first DAVE Embedded Systems' system-on-module (SoM) based on a core implementing the [https://en.wikipedia.org/wiki/ARM_architecture#64/32-bit_architecture ARMv8-A] architecture. Traditionally, ARM cores that are based on 32-bit [https://en.wikipedia.org/wiki/ARM_architecture#AArch32 ARMv7-A] architecture exhibit a limited RAM bandwidth even if they are coupled with 64-bit width SDRAM banks. As an example, please see [[SBCX-TN-006:_Characterizing_the_RAM_bandwidth_of_Axel_Lite_SoM#Testbed_general_configuration|this Technical Note]] where we characterized the SDRAM bandwidth of Cortex A9-based Axel Lite SoM. When dealing with computationally heavy tasks, ~~this factor~~ a limited RAM bandwidth efficiency may turn out to be a severe bottleneck ~~limiting~~ bounding the overall performance.

Besides an intrinsic increased computational power over their predecessors, ARMv8-A-based SoC's are also expected to improve RAM bandwidth significantly. This technical note (TN for short) illustrates several ~~benchmarking~~ benchmark tests that were run on Mito8M SoMto characterize its bandwidth. It is worth to remember that ~~this product~~ Mito8M is built upon the [https://www.nxp.com/products/processors-and-microcontrollers/arm-processors/i.mx-applications-processors/i.mx-8-processors/i.mx-8m-family-armcortex-a53-cortex-m4-audio-voice-video:i.MX8M i.MX8M processor by NXP].

==Testbed general configuration==

</pre>

This processor is capable of running either at 800 MHz or 1.3 GHz. ~~All the~~ The tests were ~~conducted~~ performed at ~~800 MHz~~either frequencies in order to determine how the it affects the RAM bandwidth.

The following table details the characteristics of the SDRAM bank connected to the SoC.

{| class="wikitable"

|+

!rowspan="2" |Subsystem!~~! colspan~~rowspan="2" |Feature!Platform

|-

!

!Mito8M

~~!AxelLite~~

|-

| rowspan="26" |SoC

|SoC

|NXP i.MX8M Quad

|

|-

|ARM core(s)|4 x Cortex A53|-|ARM core frequency

[MHz]

|800 or 1300

|-|L1 cache (D)[kB]|32|-|L1 cache (I)[kB]|32|-|L2 cache[MB]|1

|-

| rowspan="6" |SDRAM

|Type

|LPDDR4

|

|-

|Frequency

[MHz]

|1600

|

|-

|Bus witdth

[bit]

|32

|

|-

|Theoretical bandwidth

[Gb/s]

|102.4

|

|-

|Theoretical bandwidth

[GB/s]

|12.8

|

|-

|Size

[MB]

|3072

|

|}

*Root file system: Debian GNU/Linux 10 (buster)

* Architecture: aarch64

* Governor: userspace @ 800 MHz or 1300 MHz

root@Mito8M:~# echo userspace > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor

~~As some~~ Some benchmarks were built natively on the platform under test ~~itself~~. For the sake of completeness, the version of the GCC compiler is then indicated as well:

armbian@Mito8M:~/devel/lmbench$ gcc -v

gcc version 8.3.0 (Debian 8.3.0-6)

</pre>

~~===Benchmarks===~~

~~====STREAM====~~

~~TBD~~

~~====LMbench====~~

~~TBD~~

~~====pmbw====~~

~~TBD~~

==Overall results==This section ~~details~~ illustrates the overall results ~~that were~~ achieved by the ~~different~~ benchmarks.

===STREAM===

{| class="wikitable"

|+

Overall results (ARM core frequency = 800 MHz)

! rowspan="2" |Function

! colspan="2" |Mito8M

! rowspan="2" |Axel Lite

efficiency

[%]

|-

!Best rate

[MB/s]

!Efficiency

[%]

|-

|Copy

|6770

|51.7

|14.0

|-

|Scale

|6093

|46.5

|13.8

|-

|Add

|5263

|40.1

|14.6

|-

|Triad

|4820

|36.8

|14.9

|}

{| class="wikitable"

|+

|-

|Scale|~~ARM frequency[MHz]~~7501|~~792~~57.2|13.8

|-

|Add|~~Frequency[MHz]~~6762|~~1600~~51.6|14.6

|-

|Triad|~~Bus witdth[bit]~~6354|3248.5|14.9

|}

Apart from the increase over Axel Lite in absolute terms, it is noteworthy that Mito8M exhibits a significant improvement in terms of efficiency too, as shown in the above tables. This is especially true in the case of ARM core frequency set to 1300 MHz.

Another interesting thing to note is how the bandwidth is affected by the ARM core frequency. If it scaled linearly, we should have an improvement of 62.5% from 800 to 1300 MHz. The average bandwidth at 800 MHz is 5761 MB/s. At 1300 MHz, it is 6935 MB/s. Therefore, the increase is 20.4%. With regard to STREAM benchmark, the achieved bandwidth does not scale linearly with ARM core frequency.

Please see [https://www.cs.virginia.edu/stream/ this page] for more details about STREAM benchmark.

===LMbench===

~~TBD~~For what regards the memory bandwidth, LMbench provides many results organized in different categories. For the sake of simplicity, the following tables details just a couple of categories. The full results are available for download [http://mirror.dave.eu/mito/Mito8M/lmbench-Mito8M.0-800MHz.txt here (ARM core frequency set to 800 MHz)] and [http://mirror.dave.eu/mito/Mito8M/lmbench-Mito8M.0-1300MHz.txt here (ARM core frequency set to 1300 MHz)]. {| class="wikitable"|+Memory read bandwidth! rowspan="2" |Buffer size! colspan="2" |Bandwitdth[MB/s]|-!ARM core frequency = 800 MHz!ARM core frequency = 1300 MHz|-|512B|1553|2521|-|1kB|1567|2546|-|2kB|1575|2560|-|4kB|1575|2564|-|8kB|1577|2564|-|16kB|1577|2567|-|32kB|1528|2490|-| 0.065536 |64kB|1531|2494|-|128kB|1547|2530|-|256kB|1552|2526|-|512kB|1514|2518|-|1MB|1318|2181|-|2MB|1430|2148|-|4MB|1420|2108|-|8MB|1423|2038|-|16MB|1420|2116|-|32MB|1365|2117|-|64MB|1393|2035|-|128MB|1382|2035|-|256MB|1372|2050|-|512MB|1367|1998|} {| class="wikitable"|+Memory write bandwidth! rowspan="2" |Buffer size! colspan="2" |Bandwitdth[MB/s]|-!ARM core frequency = 800 MHz!ARM core frequency = 1300 MHz|-|512B|2932|4771|-|1kB|3048|4956|-|2kB|3100|5046|-|4kB|3136|5097|-|8kB|3135|5101|-|16kB|3150|5120|-|32kB|2864|5127|-|64kB|3033|5071|-|128kB|3093|4886|-|256kB|2956|5056|-|512kB|3024|5054|-|1MB|3075|5092|-|2MB|3095|5116|-|4MB|3121|5118|-|8MB|3137|5120|-|16MB|3145|5121|-|32MB|3146|5120|-|64MB|3146|5125|-|128MB|3147|5123|-|256MB|3150|5124|-|512MB|3144|5125|-|1GB|3146|5124|} There are some interesting facts to stress:* Read and write bandwitdth are not effected by the buffer size.* They are significantly affected by the ARM core frequency. For instance, the improvement of the write bandwidth (about 62% when the buffer is 1GB) is practically the same of the increase in frequency. For more information regarding LMbench, please see [http://lmbench.sourceforge.net/ this page].

===pmbw===

~~TBD~~As defined by the author, <code>pmbw</code> is "a set of assembler routines to measure the parallel memory (cache and RAM) bandwidth of modern multi-core machines." It performs a myriad of tests. Luckily, it comes with a handful tool that plots the results—which are stored in a text file—in a series of charts. Again,the benchmark was run at two different ARM core frequencies, 800 and 1300 MHz. The complete results and the charts are available at the following links:*http://mirror.dave.eu/mito/Mito8M/pmbw-stats-Mito8M-800MHz.txt*http://mirror.dave.eu/mito/Mito8M/pmbw-plots-Mito8M-800MHz.pdf*http://mirror.dave.eu/mito/Mito8M/pmbw-stats-Mito8M-1300MHz.txt*http://mirror.dave.eu/mito/Mito8M/pmbw-plots-Mito8M-1300MHz.pdf Generally speaking, the charts exhibit significant declines in the performances when the array size is around the L1 and the L2 cache size. For more details about <code>pmbw</code>, please refer to [https://panthema.net/2013/pmbw/ this page]. ===stressapptest===According to the documentation, stressapptest—which was developed at Google—is "a memory interface test. It tries to maximize randomized traffic to memory from processor and I/O, with the intent of creating a realistic high load situation in order to test the existing hardware devices in a computer."{| class="wikitable"|+! rowspan="2" |Test! colspan="2" |Bandwidth[MB/s]|-!ARM core frequency = 800 MHz!ARM core frequency = 1300 MHz|-|Memory copy|5483|5804|} The above table lists the achieved results when the benchmark was run as detailed in [[#Running_the_tests_4|this section]]. In this case, the different when running at different ARM core frequencies is very little. For more information about stressapptest, please refer to [https://github.com/stressapptest/stressapptest this page].

==Useful links==

*[https://www.cs.virginia.edu/stream/ STREAM benchmark]

*[http://lmbench.sourceforge.net/ LM Bench benchmark]

*[https://panthema.net/2013/pmbw/ pmbw benchmark]

*Joshua Wyatt Smith and Andrew Hamilton, [http://inspirehep.net/record/1424637/files/1719033_626-630.pdf Parallel benchmarks for ARM processors in the highenergy context]

*T Wrigley, G Harmsen and B Mellado, [http://inspirehep.net/record/1424631/files/1719033_275-280.pdf Memory performance of ARM processors and itsrelevance to High Energy Physics]

====Building====

To build STREAM:

* clone its git repository

*modify the <code>Makefile</code> as shown below

*issue the <code>make</code> command.

git clone https://github.com/jeffhammond/STREAM.git

===LMbench===

To run this benchmark, the native prebuilt package provided by Debian Buster was used.

~~====Running~~ Please click on ''Expand'' to show the ~~tests=========ARM core clock = 800 MHz=====~~complete log.<pre class="board-terminal" mw-collapsible~~=""~~ mw-collapsed~~"="~~">

armbian@Mito8M:~/devel/lmbench$ sudo lmbench-run

[sudo] password for armbian:

under /var/lib/lmbench/results

</pre>

~~=====ARM core clock = 1300 MHz=====~~

===pmbw=~~Results~~======Building====~~TBD inserire link~~ Building pmbw is straightforward. Please click on ''Expand'' to show the box that illustrates the procedure.<pre class="board-terminal mw-collapsible mw-collapsed">armbian@Mito8M:~/devel$ git clone https://github.com/bingmann/pmbw.gitCloning into 'pmbw'...remote: Enumerating objects: 15, done.remote: Counting objects: 100% (15/15), done.remote: Compressing objects: 100% (15/15), done.remote: Total 386 (delta 1), reused 3 (delta 0), pack-reused 371Receiving objects: 100% (386/386), 369.04 KiB | 1.27 MiB/s, done.Resolving deltas: 100% (232/232), done.armbian@Mito8M:~/devel$ cd pmbwarmbian@Mito8M:~/devel/pmbw$ ./configure && makechecking build system type... aarch64-unknown-linux-gnuchecking host system type... aarch64-unknown-linux-gnuchecking target system type... aarch64-unknown-linux-gnuchecking for a BSD-compatible install... /usr/bin/install -cchecking whether build environment is sane... yeschecking for a thread-safe mkdir -p... /bin/mkdir -pchecking for gawk... nochecking for mawk... mawkchecking whether make sets $(MAKE)... yeschecking whether make supports nested variables... yeschecking whether to enable maintainer-specific portions of Makefiles... nochecking building for Windows... nochecking for g++... g++checking whether the C++ compiler works... yeschecking for C++ compiler default output file ~~scaricabile~~name... a.outchecking for suffix of executables... checking whether we are cross compiling... nochecking for suffix of object files... ochecking whether we are using the GNU C++ compiler... yeschecking whether g++ accepts -g... yeschecking whether make supports the include directive... yes (GNU style)checking dependency style of g++... gcc3checking whether g++ supports -march=x86-64... nochecking for pthread_mutex_init in -lpthread... yeschecking for clock_gettime in -lrt... yeschecking for posix_memalign in -lc... yeschecking that generated files are newer than configure... doneconfigure: creating ./config.statusconfig.status: creating Makefileconfig.status: executing depfiles commandsg++ -DPACKAGE_NAME=\"pmbw\" -DPACKAGE_TARNAME=\"pmbw\" -DPACKAGE_VERSION=\"0.6.3\" -DPACKAGE_STRING=\"pmbw\ 0.6.3\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DPACKAGE=\"pmbw\" -DVERSION=\"0.6.3\" -DON_WINDOWS=false -DHAVE_POSIX_MEMALIGN=1 -I. -W -Wall -g -O2 -MT pmbw.o -MD -MP -MF .deps/pmbw.Tpo -c -o pmbw.o pmbw.ccmv -f .deps/pmbw.Tpo .deps/pmbw.Pog++ -W -Wall -g -O2 -o pmbw pmbw.o -lpthread -lrtg++ -DPACKAGE_NAME=\"pmbw\" -DPACKAGE_TARNAME=\"pmbw\" -DPACKAGE_VERSION=\"0.6.3\" -DPACKAGE_STRING=\"pmbw\ 0.6.3\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DPACKAGE=\"pmbw\" -DVERSION=\"0.6.3\" -DON_WINDOWS=false -DHAVE_POSIX_MEMALIGN=1 -I. -W -Wall -g -O2 -MT stats2gnuplot.o -MD -MP -MF .deps/stats2gnuplot.Tpo -c -o stats2gnuplot.o stats2gnuplot.ccmv -f .deps/stats2gnuplot.Tpo .deps/stats2gnuplot.Pog++ -W -Wall -g -O2 -o stats2gnuplot stats2gnuplot.o -lpthread -lrt</pre>====Running the tests====The benchmark was run as follows:<pre class="board-terminal">armbian@Mito8M:~/devel/pmbw$ sudo nice -n -2 ./pmbw -S 0[sudo] password for armbian: Running benchmarks with no upper array size limit.Detected 2997 MiB physical RAM and 4 CPUs. Allocating 2048 MiB for testing.Running nthreads=1 factor=1073741824 areasize=1024 thrsize=1024 testsize=1024 repeats=1048576 testvol=1073741824 testaccess=268435456run time = 0.694051 -> rerunning test with repeat factor=2320598341Running nthreads=1 factor=2320598341 areasize=1024 thrsize=1024 testsize=1024 repeats=2266210 testvol=2320599040 testaccess=580149760run time = 1.49925 -> next test with repeat factor=2321757595RESULT datetime=2020-01-29 11:52:20 host=Mito8M version=0.6.3 funcname=cScanWrite32PtrSimpleLoop nthreads=1 areasize=1024 threadsize=1024 testsize=1024 repeats=2266210 testvol=2320599040 testaccess=580149760 time=1.4992515009998896858 bandwidth=1547838396.9949886799 rate=2.5842491100916590667e-09Running nthreads=1 factor=2321757595 areasize=2048 thrsize=2048 testsize=2048 repeats=1133671 testvol=2321758208 testaccess=580439552run time = 1.47811 -> next test with repeat factor=2356140806RESULT datetime=2020-01-29 11:52:21 host=Mito8M version=0.6.3 funcname=cScanWrite32PtrSimpleLoop nthreads=1 areasize=2048 threadsize=2048 testsize=2048 repeats=1133671 testvol=2321758208 testaccess=580439552 time=1.4781108589995710645 bandwidth=1570760537.9284164906 rate=2.5465371095172560774e-09Running nthreads=1 factor=2356140806 areasize=3072 thrsize=3072 testsize=3072 repeats=766973 testvol=2356141056 testaccess=589035264...</pre> To generate the charts plotting the results, the following command was issued:<pre class="board-terminal">./stats2gnuplot stats.txt | gnuplot</pre>

===stressapptest===

====Building====

Bulding stressapptest is straighforward. The following box illustrates the procedure. Please click on ''Expand'' to visualize the box.

armbian@Mito8M:~/devel/stressapptest$ git clone https://github.com/stressapptest/stressapptest.git

Cloning into 'stressapptest'...

remote: Enumerating objects: 290, done.

remote: Total 290 (delta 0), reused 0 (delta 0), pack-reused 290

Receiving objects: 100% (290/290), 324.79 KiB | 1.16 MiB/s, done.

Resolving deltas: 100% (196/196), done.

armbian@Mito8M:~/devel/stressapptest$ cd stressapptest

armbian@Mito8M:~/devel/stressapptest/stressapptest$ ./configure

configure: Compiling with dynamically linked libraries.

checking build system type... aarch64-unknown-linux-gnu

checking host system type... aarch64-unknown-linux-gnu

checking for a BSD-compatible install... /usr/bin/install -c

checking whether build environment is sane... yes

checking for a thread-safe mkdir -p... /bin/mkdir -p

checking for gawk... no

checking for mawk... mawk

checking whether make sets $(MAKE)... yes

checking for g++... g++

checking whether the C++ compiler works... yes

checking for C++ compiler default output file name... a.out

checking for suffix of executables...

checking whether we are cross compiling... no

checking for suffix of object files... o

checking whether we are using the GNU C++ compiler... yes

checking whether g++ accepts -g... yes

checking for style of include used by make... GNU

checking dependency style of g++... gcc3

checking for gcc... gcc

checking whether we are using the GNU C compiler... yes

checking whether gcc accepts -g... yes

checking for gcc option to accept ISO C89... none needed

checking dependency style of gcc... gcc3

checking user ID... armbian

checking host name... Mito8M

checking current timestamp... Mon Jan 27 16:25:29 CET 2020

checking for dirent.h that defines DIR... yes

checking for library containing opendir... none required

checking how to run the C preprocessor... gcc -E

checking for grep that handles long lines and -e... /bin/grep

checking for egrep... /bin/grep -E

checking for ANSI C header files... yes

checking for sys/types.h... yes

checking for sys/stat.h... yes

checking for stdlib.h... yes

checking for string.h... yes

checking for memory.h... yes

checking for strings.h... yes

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checking for unistd.h... yes

checking arpa/inet.h usability... yes

checking arpa/inet.h presence... yes

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checking fcntl.h usability... yes

checking fcntl.h presence... yes

checking for fcntl.h... yes

checking netdb.h usability... yes

checking netdb.h presence... yes

checking for netdb.h... yes

checking for stdint.h... (cached) yes

checking for stdlib.h... (cached) yes

checking for string.h... (cached) yes

checking sys/ioctl.h usability... yes

checking sys/ioctl.h presence... yes

checking for sys/ioctl.h... yes

checking sys/socket.h usability... yes

checking sys/socket.h presence... yes

checking for sys/socket.h... yes

checking sys/time.h usability... yes

checking sys/time.h presence... yes

checking for sys/time.h... yes

checking for unistd.h... (cached) yes

checking pthread.h usability... yes

checking pthread.h presence... yes

checking for pthread.h... yes

checking for library containing pthread_create... -lpthread

checking for pthread_barrier_t... yes

checking libaio.h usability... no

checking libaio.h presence... no

checking for libaio.h... no

checking for library containing io_setup... no

checking sys/shm.h usability... yes

checking sys/shm.h presence... yes

checking for sys/shm.h... yes

checking for library containing shm_open... -lrt

checking for stdbool.h that conforms to C99... yes

checking for _Bool... yes

checking for an ANSI C-conforming const... yes

checking for inline... inline

checking for pid_t... yes

checking for C/C++ restrict keyword... __restrict

checking for size_t... yes

checking for ssize_t... yes

checking whether time.h and sys/time.h may both be included... yes

checking for uint16_t... yes

checking for working volatile... yes

checking whether closedir returns void... no

checking whether gcc needs -traditional... no

checking sys/select.h usability... yes

checking sys/select.h presence... yes

checking for sys/select.h... yes

checking for sys/socket.h... (cached) yes

checking types of arguments for select... int,fd_set *,struct timeval *

checking return type of signal handlers... void

checking whether strerror_r is declared... yes

checking for strerror_r... yes

checking whether strerror_r returns char *... no

checking for vprintf... yes

checking for _doprnt... no

checking for ftruncate... yes

checking for gettimeofday... yes

checking for memset... yes

checking for munmap... yes

checking for select... yes

checking for socket... yes

checking for strtol... yes

checking for strtoull... yes

checking for mmap64... yes

checking for posix_memalign... yes

checking for rand_r... yes

checking for sched_getaffinity... yes

configure: creating ./config.status

config.status: creating Makefile

config.status: creating src/Makefile

config.status: creating src/stressapptest_config.h

config.status: executing depfiles commands

armbian@Mito8M:~/devel/stressapptest/stressapptest$ make

CDPATH="${ZSH_VERSION+.}:" && cd . && /bin/bash /home/armbian/devel/stressapptest/stressapptest/missing --run aclocal-1.11

/home/armbian/devel/stressapptest/stressapptest/missing: line 54: aclocal-1.11: command not found

WARNING: `aclocal-1.11' is missing on your system. You should only need it if

you modified `acinclude.m4' or `configure.ac'. You might want

to install the `Automake' and `Perl' packages. Grab them from

any GNU archive site.

cd . && /bin/bash /home/armbian/devel/stressapptest/stressapptest/missing --run automake-1.11 --foreign

/home/armbian/devel/stressapptest/stressapptest/missing: line 54: automake-1.11: command not found

WARNING: `automake-1.11' is missing on your system. You should only need it if

you modified `Makefile.am', `acinclude.m4' or `configure.ac'.

You might want to install the `Automake' and `Perl' packages.

Grab them from any GNU archive site.

CDPATH="${ZSH_VERSION+.}:" && cd . && /bin/bash /home/armbian/devel/stressapptest/stressapptest/missing --run autoconf

aclocal.m4:16: warning: this file was generated for autoconf 2.65.

You have another version of autoconf. It may work, but is not guaranteed to.

If you have problems, you may need to regenerate the build system entirely.

To do so, use the procedure documented by the package, typically `autoreconf'.

/bin/bash ./config.status --recheck

running CONFIG_SHELL=/bin/bash /bin/bash ./configure --no-create --no-recursion

configure: Compiling with dynamically linked libraries.

checking build system type... aarch64-unknown-linux-gnu

checking host system type... aarch64-unknown-linux-gnu

checking for a BSD-compatible install... /usr/bin/install -c

checking whether build environment is sane... yes

checking for a thread-safe mkdir -p... /bin/mkdir -p

checking for gawk... no

checking for mawk... mawk

checking whether make sets $(MAKE)... yes

checking for g++... g++

checking whether the C++ compiler works... yes

checking for C++ compiler default output file name... a.out

checking for suffix of executables...

checking whether we are cross compiling... no

checking for suffix of object files... o

checking whether we are using the GNU C++ compiler... yes

checking whether g++ accepts -g... yes

checking for style of include used by make... GNU

checking dependency style of g++... gcc3

checking for gcc... gcc

checking whether we are using the GNU C compiler... yes

checking whether gcc accepts -g... yes

checking for gcc option to accept ISO C89... none needed

checking dependency style of gcc... gcc3

checking user ID... armbian

checking host name... Mito8M

checking current timestamp... Mon Jan 27 16:27:41 CET 2020

checking for dirent.h that defines DIR... yes

checking for library containing opendir... none required

checking how to run the C preprocessor... gcc -E

checking for grep that handles long lines and -e... /bin/grep

checking for egrep... /bin/grep -E

checking for ANSI C header files... yes

checking for sys/types.h... yes

checking for sys/stat.h... yes

checking for stdlib.h... yes

checking for string.h... yes

checking for memory.h... yes

checking for strings.h... yes

checking for inttypes.h... yes

checking for stdint.h... yes

checking for unistd.h... yes

checking arpa/inet.h usability... yes

checking arpa/inet.h presence... yes

checking for arpa/inet.h... yes

checking fcntl.h usability... yes

checking fcntl.h presence... yes

checking for fcntl.h... yes

checking netdb.h usability... yes

checking netdb.h presence... yes

checking for netdb.h... yes

checking for stdint.h... (cached) yes

checking for stdlib.h... (cached) yes

checking for string.h... (cached) yes

checking sys/ioctl.h usability... yes

checking sys/ioctl.h presence... yes

checking for sys/ioctl.h... yes

checking sys/socket.h usability... yes

checking sys/socket.h presence... yes

checking for sys/socket.h... yes

checking sys/time.h usability... yes

checking sys/time.h presence... yes

checking for sys/time.h... yes

checking for unistd.h... (cached) yes

checking pthread.h usability... yes

checking pthread.h presence... yes

checking for pthread.h... yes

checking for library containing pthread_create... -lpthread

checking for pthread_barrier_t... yes

checking libaio.h usability... no

checking libaio.h presence... no

checking for libaio.h... no

checking for library containing io_setup... no

checking sys/shm.h usability... yes

checking sys/shm.h presence... yes

checking for sys/shm.h... yes

checking for library containing shm_open... -lrt

checking for stdbool.h that conforms to C99... yes

checking for _Bool... yes

checking for an ANSI C-conforming const... yes

checking for inline... inline

checking for pid_t... yes

checking for C/C++ restrict keyword... __restrict

checking for size_t... yes

checking for ssize_t... yes

checking whether time.h and sys/time.h may both be included... yes

checking for uint16_t... yes

checking for working volatile... yes

checking whether closedir returns void... no

checking whether gcc needs -traditional... no

checking sys/select.h usability... yes

checking sys/select.h presence... yes

checking for sys/select.h... yes

checking for sys/socket.h... (cached) yes

checking types of arguments for select... int,fd_set *,struct timeval *

checking return type of signal handlers... void

checking whether strerror_r is declared... yes

checking for strerror_r... yes

checking whether strerror_r returns char *... no

checking for vprintf... yes

checking for _doprnt... no

checking for ftruncate... yes

checking for gettimeofday... yes

checking for memset... yes

checking for munmap... yes

checking for select... yes

checking for socket... yes

checking for strtol... yes

checking for strtoull... yes

checking for mmap64... yes

checking for posix_memalign... yes

checking for rand_r... yes

checking for sched_getaffinity... yes

configure: creating ./config.status

/bin/bash ./config.status

config.status: creating Makefile

config.status: creating src/Makefile

config.status: creating src/stressapptest_config.h

config.status: executing depfiles commands

Making all in src

make[1]: Entering directory '/home/armbian/devel/stressapptest/stressapptest/src'

(CDPATH="${ZSH_VERSION+.}:" && cd .. && /bin/bash /home/armbian/devel/stressapptest/stressapptest/missing --run autoheader)

perl: warning: Setting locale failed.

perl: warning: Please check that your locale settings:

LANGUAGE = "en_US.UTF-8",

LC_ALL = (unset),

LC_ADDRESS = "it_IT.UTF-8",

LC_NAME = "it_IT.UTF-8",

LC_MONETARY = "it_IT.UTF-8",

LC_PAPER = "it_IT.UTF-8",

LC_IDENTIFICATION = "it_IT.UTF-8",

LC_TELEPHONE = "it_IT.UTF-8",

LC_MESSAGES = "en_US.UTF-8",

LC_MEASUREMENT = "it_IT.UTF-8",

LC_TIME = "it_IT.UTF-8",

LC_NUMERIC = "it_IT.UTF-8",

LANG = "en_US.UTF-8"

are supported and installed on your system.

perl: warning: Falling back to a fallback locale ("en_US.UTF-8").

perl: warning: Setting locale failed.

perl: warning: Please check that your locale settings:

LANGUAGE = "en_US.UTF-8",

LC_ALL = (unset),

LC_TIME = "it_IT.UTF-8",

LC_MONETARY = "it_IT.UTF-8",

LC_ADDRESS = "it_IT.UTF-8",

LC_TELEPHONE = "it_IT.UTF-8",

LC_MESSAGES = "en_US.UTF-8",

LC_NAME = "it_IT.UTF-8",

LC_MEASUREMENT = "it_IT.UTF-8",

LC_IDENTIFICATION = "it_IT.UTF-8",

LC_NUMERIC = "it_IT.UTF-8",

LC_PAPER = "it_IT.UTF-8",

LANG = "en_US.UTF-8"

are supported and installed on your system.

perl: warning: Falling back to a fallback locale ("en_US.UTF-8").

rm -f stamp-h1

touch stressapptest_config.h.in

cd .. && /bin/bash ./config.status src/stressapptest_config.h

config.status: creating src/stressapptest_config.h

config.status: src/stressapptest_config.h is unchanged

make all-am

make[2]: Entering directory '/home/armbian/devel/stressapptest/stressapptest/src'

g++ -DHAVE_CONFIG_H -I. -DCHECKOPTS -Wreturn-type -Wunused -Wuninitialized -Wall -O3 -funroll-all-loops -funroll-loops -DNDEBUG -MT main.o -MD -MP -MF .deps/main.Tpo -c -o main.o main.cc

mv -f .deps/main.Tpo .deps/main.Po

g++ -DHAVE_CONFIG_H -I. -DCHECKOPTS -Wreturn-type -Wunused -Wuninitialized -Wall -O3 -funroll-all-loops -funroll-loops -DNDEBUG -MT os.o -MD -MP -MF .deps/os.Tpo -c -o os.o os.cc

os.cc:215:2: warning: #warning "Unsupported CPU type: unable to determine feature set." [-Wcpp]

#warning "Unsupported CPU type: unable to determine feature set."

^15:30, 27 January 2020 (UTC)~

mv -f .deps/os.Tpo .deps/os.Po

g++ -DHAVE_CONFIG_H -I. -DCHECKOPTS -Wreturn-type -Wunused -Wuninitialized -Wall -O3 -funroll-all-loops -funroll-loops -DNDEBUG -MT os_factory.o -MD -MP -MF .deps/os_factory.Tpo -c -o os_factory.o os_factory.cc

mv -f .deps/os_factory.Tpo .deps/os_factory.Po

g++ -DHAVE_CONFIG_H -I. -DCHECKOPTS -Wreturn-type -Wunused -Wuninitialized -Wall -O3 -funroll-all-loops -funroll-loops -DNDEBUG -MT pattern.o -MD -MP -MF .deps/pattern.Tpo -c -o pattern.o pattern.cc

mv -f .deps/pattern.Tpo .deps/pattern.Po

g++ -DHAVE_CONFIG_H -I. -DCHECKOPTS -Wreturn-type -Wunused -Wuninitialized -Wall -O3 -funroll-all-loops -funroll-loops -DNDEBUG -MT queue.o -MD -MP -MF .deps/queue.Tpo -c -o queue.o queue.cc

mv -f .deps/queue.Tpo .deps/queue.Po

g++ -DHAVE_CONFIG_H -I. -DCHECKOPTS -Wreturn-type -Wunused -Wuninitialized -Wall -O3 -funroll-all-loops -funroll-loops -DNDEBUG -MT sat.o -MD -MP -MF .deps/sat.Tpo -c -o sat.o sat.cc

mv -f .deps/sat.Tpo .deps/sat.Po

g++ -DHAVE_CONFIG_H -I. -DCHECKOPTS -Wreturn-type -Wunused -Wuninitialized -Wall -O3 -funroll-all-loops -funroll-loops -DNDEBUG -MT sat_factory.o -MD -MP -MF .deps/sat_factory.Tpo -c -o sat_factory.o sat_factory.cc

mv -f .deps/sat_factory.Tpo .deps/sat_factory.Po

g++ -DHAVE_CONFIG_H -I. -DCHECKOPTS -Wreturn-type -Wunused -Wuninitialized -Wall -O3 -funroll-all-loops -funroll-loops -DNDEBUG -MT worker.o -MD -MP -MF .deps/worker.Tpo -c -o worker.o worker.cc

worker.cc: In member function ‘virtual void NetworkThread::SetIP(const char*)’:

worker.cc:2005:10: warning: ‘char* strncpy(char*, const char*, size_t)’ specified bound 256 equals destination size [-Wstringop-truncation]

strncpy(ipaddr_, ipaddr_init, 256);

15:30, 27 January 2020 (UTC)~~^15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)~

In function ‘bool {anonymous}::sat_strerror(int, char*, int)’,

inlined from ‘virtual bool NetworkThread::ReceivePage(int, page_entry*)’ at worker.cc:2154:23:

worker.cc:92:14: warning: ‘char* strncpy(char*, const char*, size_t)’ specified bound 256 equals destination size [-Wstringop-truncation]

strncpy(buf, errmsg, len);

15:30, 27 January 2020 (UTC)~~^15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)~~

In function ‘bool {anonymous}::sat_strerror(int, char*, int)’,

inlined from ‘virtual bool NetworkListenThread::Listen()’ at worker.cc:2065:17:

worker.cc:92:14: warning: ‘char* strncpy(char*, const char*, size_t)’ specified bound 256 equals destination size [-Wstringop-truncation]

strncpy(buf, errmsg, len);

15:30, 27 January 2020 (UTC)~~^15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)~~

In function ‘bool {anonymous}::sat_strerror(int, char*, int)’,

inlined from ‘virtual bool NetworkThread::SendPage(int, page_entry*)’ at worker.cc:2121:21,

inlined from ‘virtual bool NetworkThread::SendPage(int, page_entry*)’ at worker.cc:2110:6:

worker.cc:92:14: warning: ‘char* strncpy(char*, const char*, size_t)’ specified bound 256 equals destination size [-Wstringop-truncation]

strncpy(buf, errmsg, len);

15:30, 27 January 2020 (UTC)~~^15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)~~

In function ‘bool {anonymous}::sat_strerror(int, char*, int)’,

inlined from ‘virtual bool NetworkThread::ReceivePage(int, page_entry*)’ at worker.cc:2154:23,

inlined from ‘virtual bool NetworkSlaveThread::Work()’ at worker.cc:2402:21:

worker.cc:92:14: warning: ‘char* strncpy(char*, const char*, size_t)’ specified bound 256 equals destination size [-Wstringop-truncation]

strncpy(buf, errmsg, len);

15:30, 27 January 2020 (UTC)~~^15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)~~

In function ‘bool {anonymous}::sat_strerror(int, char*, int)’,

inlined from ‘virtual bool NetworkThread::SendPage(int, page_entry*)’ at worker.cc:2121:21,

inlined from ‘virtual bool NetworkThread::SendPage(int, page_entry*)’ at worker.cc:2110:6,

inlined from ‘virtual bool NetworkSlaveThread::Work()’ at worker.cc:2406:18:

worker.cc:92:14: warning: ‘char* strncpy(char*, const char*, size_t)’ specified bound 256 equals destination size [-Wstringop-truncation]

strncpy(buf, errmsg, len);

15:30, 27 January 2020 (UTC)~~^15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)~~

In function ‘bool {anonymous}::sat_strerror(int, char*, int)’,

inlined from ‘virtual bool NetworkThread::SendPage(int, page_entry*)’ at worker.cc:2121:21,

inlined from ‘virtual bool NetworkThread::SendPage(int, page_entry*)’ at worker.cc:2110:6,

inlined from ‘virtual bool NetworkThread::Work()’ at worker.cc:2228:38:

worker.cc:92:14: warning: ‘char* strncpy(char*, const char*, size_t)’ specified bound 256 equals destination size [-Wstringop-truncation]

strncpy(buf, errmsg, len);

15:30, 27 January 2020 (UTC)~~^15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)~~

In function ‘bool {anonymous}::sat_strerror(int, char*, int)’,

inlined from ‘int WorkerThread::SpawnThread()’ at worker.cc:339:17:

worker.cc:92:14: warning: ‘char* strncpy(char*, const char*, size_t)’ specified bound 256 equals destination size [-Wstringop-truncation]

strncpy(buf, errmsg, len);

15:30, 27 January 2020 (UTC)~~^15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)15:30, 27 January 2020 (UTC)~~

mv -f .deps/worker.Tpo .deps/worker.Po

g++ -DHAVE_CONFIG_H -I. -DCHECKOPTS -Wreturn-type -Wunused -Wuninitialized -Wall -O3 -funroll-all-loops -funroll-loops -DNDEBUG -MT finelock_queue.o -MD -MP -MF .deps/finelock_queue.Tpo -c -o finelock_queue.o finelock_queue.cc

mv -f .deps/finelock_queue.Tpo .deps/finelock_queue.Po

g++ -DHAVE_CONFIG_H -I. -DCHECKOPTS -Wreturn-type -Wunused -Wuninitialized -Wall -O3 -funroll-all-loops -funroll-loops -DNDEBUG -MT error_diag.o -MD -MP -MF .deps/error_diag.Tpo -c -o error_diag.o error_diag.cc

mv -f .deps/error_diag.Tpo .deps/error_diag.Po

g++ -DHAVE_CONFIG_H -I. -DCHECKOPTS -Wreturn-type -Wunused -Wuninitialized -Wall -O3 -funroll-all-loops -funroll-loops -DNDEBUG -MT disk_blocks.o -MD -MP -MF .deps/disk_blocks.Tpo -c -o disk_blocks.o disk_blocks.cc

mv -f .deps/disk_blocks.Tpo .deps/disk_blocks.Po

g++ -DHAVE_CONFIG_H -I. -DCHECKOPTS -Wreturn-type -Wunused -Wuninitialized -Wall -O3 -funroll-all-loops -funroll-loops -DNDEBUG -MT adler32memcpy.o -MD -MP -MF .deps/adler32memcpy.Tpo -c -o adler32memcpy.o adler32memcpy.cc

adler32memcpy.cc:519:4: warning: #warning "No vector copy defined for this architecture." [-Wcpp]

#warning "No vector copy defined for this architecture."

^15:30, 27 January 2020 (UTC)~

mv -f .deps/adler32memcpy.Tpo .deps/adler32memcpy.Po

g++ -DHAVE_CONFIG_H -I. -DCHECKOPTS -Wreturn-type -Wunused -Wuninitialized -Wall -O3 -funroll-all-loops -funroll-loops -DNDEBUG -MT logger.o -MD -MP -MF .deps/logger.Tpo -c -o logger.o logger.cc

mv -f .deps/logger.Tpo .deps/logger.Po

g++ -DCHECKOPTS -Wreturn-type -Wunused -Wuninitialized -Wall -O3 -funroll-all-loops -funroll-loops -DNDEBUG -o stressapptest main.o os.o os_factory.o pattern.o queue.o sat.o sat_factory.o worker.o finelock_queue.o error_diag.o disk_blocks.o adler32memcpy.o logger.o -lrt -lpthread

gcc -DHAVE_CONFIG_H -I. -g -O2 -MT findmask.o -MD -MP -MF .deps/findmask.Tpo -c -o findmask.o findmask.c

mv -f .deps/findmask.Tpo .deps/findmask.Po

gcc -g -O2 -o findmask findmask.o -lrt -lpthread

make[2]: Leaving directory '/home/armbian/devel/stressapptest/stressapptest/src'

make[1]: Leaving directory '/home/armbian/devel/stressapptest/stressapptest/src'

make[1]: Entering directory '/home/armbian/devel/stressapptest/stressapptest'

make[1]: Nothing to be done for 'all-am'.

make[1]: Leaving directory '/home/armbian/devel/stressapptest/stressapptest'

</pre>

~~===pmbw===~~

~~====Building====~~

====Running the tests====

Please click on ''Expand'' to visualize the boxes.

=====ARM core clock = 800 MHz=====

armbian@Mito8M:~/devel/stressapptest/stressapptest/src$ ./stressapptest -M 32 -s 5 -v 20

2020/01/27-16:23:44(CET) Log: Commandline - ./stressapptest -M 32 -s 5 -v 20

2020/01/27-16:23:44(CET) Stats: SAT revision 1.0.9_autoconf, 64 bit binary

2020/01/27-16:23:44(CET) Log: armbian @ Mito8M on Mon Jan 27 16:08:57 CET 2020 from open source release

2020/01/27-16:23:44(CET) Log: 1 nodes, 4 cpus.

2020/01/27-16:23:44(CET) Log: Defaulting to 4 copy threads

2020/01/27-16:23:44(CET) Log: Prefer plain malloc memory allocation.

2020/01/27-16:23:44(CET) Log: Using mmap() allocation at 0xffff8a31a000.

2020/01/27-16:23:44(CET) Stats: Starting SAT, 32M, 5 seconds

2020/01/27-16:23:44(CET) Log: initialized 120 data patterns

2020/01/27-16:23:44(CET) Log: Allocating pages, Total: 32 Free: 12

2020/01/27-16:23:44(CET) Starting Fill threads: 8 threads, 32 pages

2020/01/27-16:23:44(CET) Starting Fill Threads 0: 4 pages

2020/01/27-16:23:44(CET) Starting Fill Threads 1: 4 pages

2020/01/27-16:23:44(CET) Starting Fill Threads 2: 4 pages

2020/01/27-16:23:44(CET) Starting Fill Threads 3: 4 pages

2020/01/27-16:23:44(CET) Starting Fill Threads 4: 4 pages

2020/01/27-16:23:44(CET) Starting Fill Threads 5: 4 pages

2020/01/27-16:23:44(CET) Starting Fill Threads 6: 4 pages

2020/01/27-16:23:44(CET) Starting Fill Threads 7: 4 pages

2020/01/27-16:23:44(CET) Log: Thread 0 running on core ID 0 mask F (F).

2020/01/27-16:23:44(CET) Log: Starting fill thread 0

2020/01/27-16:23:44(CET) Log: Thread 1 running on core ID 1 mask F (F).

2020/01/27-16:23:44(CET) Log: Starting fill thread 1

2020/01/27-16:23:44(CET) Log: Thread 2 running on core ID 0 mask F (F).

2020/01/27-16:23:44(CET) Log: Starting fill thread 2

2020/01/27-16:23:44(CET) Log: Thread 3 running on core ID 1 mask F (F).

2020/01/27-16:23:44(CET) Log: Starting fill thread 3

2020/01/27-16:23:44(CET) Log: Thread 4 running on core ID 2 mask F (F).

2020/01/27-16:23:44(CET) Log: Starting fill thread 4

2020/01/27-16:23:44(CET) Log: Completed 0: Fill thread. Status 1, 4 pages filled

2020/01/27-16:23:44(CET) Log: Completed 3: Fill thread. Status 1, 4 pages filled

2020/01/27-16:23:44(CET) Log: Completed 2: Fill thread. Status 1, 4 pages filled

2020/01/27-16:23:44(CET) Log: Completed 1: Fill thread. Status 1, 4 pages filled

2020/01/27-16:23:44(CET) Log: Thread 5 running on core ID 1 mask F (F).

2020/01/27-16:23:44(CET) Log: Starting fill thread 5

2020/01/27-16:23:44(CET) Log: Thread 7 running on core ID 3 mask F (F).

2020/01/27-16:23:44(CET) Log: Starting fill thread 7

2020/01/27-16:23:44(CET) Log: Thread 6 running on core ID 0 mask F (F).

2020/01/27-16:23:44(CET) Log: Starting fill thread 6

2020/01/27-16:23:44(CET) Log: Completed 4: Fill thread. Status 1, 4 pages filled

2020/01/27-16:23:44(CET) Log: Completed 5: Fill thread. Status 1, 4 pages filled

2020/01/27-16:23:44(CET) Log: Completed 7: Fill thread. Status 1, 4 pages filled

2020/01/27-16:23:44(CET) Log: Completed 6: Fill thread. Status 1, 4 pages filled

2020/01/27-16:23:44(CET) Log: Done filling pages.

2020/01/27-16:23:44(CET) Log: Allocating pages.

2020/01/27-16:23:44(CET) Log: Done allocating pages.

2020/01/27-16:23:44(CET) Log: Region 0: 32.

2020/01/27-16:23:44(CET) Log: Region mask: 0x1

2020/01/27-16:23:44(CET) Log: Installing signal handlers

2020/01/27-16:23:44(CET) Log: Launching worker threads

2020/01/27-16:23:44(CET) Log: Starting worker threads

2020/01/27-16:23:44(CET) Log: Starting invert threads

2020/01/27-16:23:44(CET) Log: Starting disk stress threads

2020/01/27-16:23:44(CET) Log: Starting cpu stress threads

2020/01/27-16:23:44(CET) Log: Initializing WorkerStatus objects

2020/01/27-16:23:44(CET) Log: Spawning worker threads

2020/01/27-16:23:44(CET) Log: Spawning thread 1

2020/01/27-16:23:44(CET) Log: Spawning thread 2

2020/01/27-16:23:44(CET) Log: Spawning thread 3

2020/01/27-16:23:44(CET) Log: available CPU mask - F

2020/01/27-16:23:44(CET) Log: Spawning thread 4

2020/01/27-16:23:44(CET) Log: Spawning thread 0

2020/01/27-16:23:44(CET) Log: available CPU mask - F

2020/01/27-16:23:44(CET) Log: Starting countdown with 5 seconds

2020/01/27-16:23:44(CET) Log: Thread 4 running on core ID 3 mask 8 (8).

2020/01/27-16:23:44(CET) Log: Starting copy thread 4: cpu 8, mem ffffffff

2020/01/27-16:23:44(CET) Log: available CPU mask - F

2020/01/27-16:23:44(CET) Log: Thread 0 running on core ID 2 mask F (F).

2020/01/27-16:23:44(CET) Log: Starting system error poll thread 0

2020/01/27-16:23:44(CET) Log: Thread 3 running on core ID 1 mask 2 (2).

2020/01/27-16:23:44(CET) Log: Thread 1 running on core ID 0 mask 1 (1).

2020/01/27-16:23:44(CET) Log: Starting copy thread 1: cpu 1, mem ffffffff

2020/01/27-16:23:44(CET) Log: Starting copy thread 3: cpu 2, mem ffffffff

2020/01/27-16:23:44(CET) Log: available CPU mask - F

2020/01/27-16:23:44(CET) Log: Thread 2 running on core ID 2 mask 4 (4).

2020/01/27-16:23:44(CET) Log: Starting copy thread 2: cpu 4, mem ffffffff

2020/01/27-16:23:49(CET) Log: Joining worker threads

2020/01/27-16:23:49(CET) Log: Joining thread 1

2020/01/27-16:23:49(CET) Log: Finished system error poll thread 0: 0 errors

2020/01/27-16:23:49(CET) Log: Completed 1: Copy thread. Status 1, 3410 pages copied

2020/01/27-16:23:49(CET) Log: Joining thread 2

2020/01/27-16:23:49(CET) Log: Completed 4: Copy thread. Status 1, 3446 pages copied

2020/01/27-16:23:49(CET) Log: Completed 2: Copy thread. Status 1, 3415 pages copied

2020/01/27-16:23:49(CET) Log: Joining thread 3

2020/01/27-16:23:49(CET) Log: Completed 3: Copy thread. Status 1, 3440 pages copied

2020/01/27-16:23:49(CET) Log: Joining thread 4

2020/01/27-16:23:49(CET) Log: Joining thread 0

2020/01/27-16:23:49(CET) Log: Reads per page histogram

2020/01/27-16:23:49(CET) Log: 256 - 512: 24

2020/01/27-16:23:49(CET) Log: 512 - 1024: 8

2020/01/27-16:23:49(CET) Log: Finished countdown, begin to result check

2020/01/27-16:23:49(CET) Log: Spawning thread 5

2020/01/27-16:23:49(CET) Log: Spawning thread 6

2020/01/27-16:23:49(CET) Log: Thread 5 running on core ID 1 mask F (F).

2020/01/27-16:23:49(CET) Log: Starting Check thread 5

2020/01/27-16:23:49(CET) Log: Thread 6 running on core ID 3 mask F (F).

2020/01/27-16:23:49(CET) Log: Starting Check thread 6

2020/01/27-16:23:49(CET) Log: Spawning thread 7

2020/01/27-16:23:49(CET) Log: Spawning thread 8

2020/01/27-16:23:49(CET) Log: Spawning thread 9

2020/01/27-16:23:49(CET) Log: Spawning thread 10

2020/01/27-16:23:49(CET) Log: Spawning thread 11

2020/01/27-16:23:49(CET) Log: Spawning thread 12

2020/01/27-16:23:49(CET) Log: Joining thread 5

2020/01/27-16:23:49(CET) Log: Thread 12 running on core ID 0 mask F (F).

2020/01/27-16:23:49(CET) Log: Starting Check thread 12

2020/01/27-16:23:49(CET) Log: Thread 8 running on core ID 2 mask F (F).

2020/01/27-16:23:49(CET) Log: Thread 9 running on core ID 2 mask F (F).

2020/01/27-16:23:49(CET) Log: Starting Check thread 9

2020/01/27-16:23:49(CET) Log: Starting Check thread 8

2020/01/27-16:23:49(CET) Log: Completed 12: Check thread. Status 1, 4 pages checked

2020/01/27-16:23:49(CET) Log: Completed 5: Check thread. Status 1, 7 pages checked

2020/01/27-16:23:49(CET) Log: Completed 6: Check thread. Status 1, 7 pages checked

2020/01/27-16:23:49(CET) Log: Joining thread 6

2020/01/27-16:23:49(CET) Log: Joining thread 7

2020/01/27-16:23:49(CET) Log: Thread 10 running on core ID 1 mask F (F).

2020/01/27-16:23:49(CET) Log: Thread 11 running on core ID 0 mask F (F).

2020/01/27-16:23:49(CET) Log: Starting Check thread 10

2020/01/27-16:23:49(CET) Log: Starting Check thread 11

2020/01/27-16:23:49(CET) Log: Completed 10: Check thread. Status 1, 0 pages checked

2020/01/27-16:23:49(CET) Log: Completed 11: Check thread. Status 1, 0 pages checked

2020/01/27-16:23:49(CET) Log: Thread 7 running on core ID 1 mask F (F).

2020/01/27-16:23:49(CET) Log: Starting Check thread 7

2020/01/27-16:23:49(CET) Log: Completed 7: Check thread. Status 1, 0 pages checked

2020/01/27-16:23:49(CET) Log: Completed 8: Check thread. Status 1, 2 pages checked

2020/01/27-16:23:49(CET) Log: Joining thread 8

2020/01/27-16:23:49(CET) Log: Completed 9: Check thread. Status 1, 0 pages checked

2020/01/27-16:23:49(CET) Log: Joining thread 9

2020/01/27-16:23:49(CET) Log: Joining thread 10

2020/01/27-16:23:49(CET) Log: Joining thread 11

2020/01/27-16:23:49(CET) Log: Joining thread 12

2020/01/27-16:23:49(CET) Log: Join all outstanding threads

2020/01/27-16:23:49(CET) Log: Reaping thread status 1

2020/01/27-16:23:49(CET) Log: Thread 1 found 0 hardware incidents

2020/01/27-16:23:49(CET) Log: Reaping thread status 2

2020/01/27-16:23:49(CET) Log: Thread 2 found 0 hardware incidents

2020/01/27-16:23:49(CET) Log: Reaping thread status 3

2020/01/27-16:23:49(CET) Log: Thread 3 found 0 hardware incidents

2020/01/27-16:23:49(CET) Log: Reaping thread status 4

2020/01/27-16:23:49(CET) Log: Thread 4 found 0 hardware incidents

2020/01/27-16:23:49(CET) Log: Reaping thread status 0

2020/01/27-16:23:49(CET) Log: Thread 0 found 0 hardware incidents

2020/01/27-16:23:49(CET) Log: Reaping thread status 5

2020/01/27-16:23:49(CET) Log: Thread 5 found 0 hardware incidents

2020/01/27-16:23:49(CET) Log: Reaping thread status 6

2020/01/27-16:23:49(CET) Log: Thread 6 found 0 hardware incidents

2020/01/27-16:23:49(CET) Log: Reaping thread status 7

2020/01/27-16:23:49(CET) Log: Thread 7 found 0 hardware incidents

2020/01/27-16:23:49(CET) Log: Reaping thread status 8

2020/01/27-16:23:49(CET) Log: Thread 8 found 0 hardware incidents

2020/01/27-16:23:49(CET) Log: Reaping thread status 9

2020/01/27-16:23:49(CET) Log: Thread 9 found 0 hardware incidents

2020/01/27-16:23:49(CET) Log: Reaping thread status 10

2020/01/27-16:23:49(CET) Log: Thread 10 found 0 hardware incidents

2020/01/27-16:23:49(CET) Log: Reaping thread status 11

2020/01/27-16:23:49(CET) Log: Thread 11 found 0 hardware incidents

2020/01/27-16:23:49(CET) Log: Reaping thread status 12

2020/01/27-16:23:49(CET) Log: Thread 12 found 0 hardware incidents

2020/01/27-16:23:49(CET) Stats: Found 0 hardware incidents

2020/01/27-16:23:49(CET) Stats: Completed: 27422.00M in 5.00s 5482.17MB/s, with 0 hardware incidents, 0 errors

2020/01/27-16:23:49(CET) Stats: Memory Copy: 27422.00M at 5483.92MB/s

2020/01/27-16:23:49(CET) Stats: File Copy: 0.00M at 0.00MB/s

2020/01/27-16:23:49(CET) Stats: Net Copy: 0.00M at 0.00MB/s

2020/01/27-16:23:49(CET) Stats: Data Check: 0.00M at 0.00MB/s

2020/01/27-16:23:49(CET) Stats: Invert Data: 0.00M at 0.00MB/s

2020/01/27-16:23:49(CET) Stats: Disk: 0.00M at 0.00MB/s

2020/01/27-16:23:49(CET) Log: Deleting worker threads

2020/01/27-16:23:49(CET) Log: Deleting thread 1

2020/01/27-16:23:49(CET) Log: Deleting thread 2

2020/01/27-16:23:49(CET) Log: Deleting thread 3

2020/01/27-16:23:49(CET) Log: Deleting thread 4

2020/01/27-16:23:49(CET) Log: Deleting thread 0

2020/01/27-16:23:49(CET) Log: Destroying WorkerStatus objects

2020/01/27-16:23:49(CET) Log: Uninstalling signal handlers

2020/01/27-16:23:49(CET)

2020/01/27-16:23:49(CET) Status: PASS - please verify no corrected errors

2020/01/27-16:23:49(CET)

</pre>

=====ARM core clock = 1300 MHz=====

armbian@Mito8M:~/devel/stressapptest/stressapptest/src$ ./stressapptest -M 32 -s 5 -v 20

2020/01/27-16:22:14(CET) Log: Commandline - ./stressapptest -M 32 -s 5 -v 20

2020/01/27-16:22:14(CET) Stats: SAT revision 1.0.9_autoconf, 64 bit binary

2020/01/27-16:22:14(CET) Log: armbian @ Mito8M on Mon Jan 27 16:08:57 CET 2020 from open source release

2020/01/27-16:22:14(CET) Log: 1 nodes, 4 cpus.

2020/01/27-16:22:14(CET) Log: Defaulting to 4 copy threads

2020/01/27-16:22:14(CET) Log: Prefer plain malloc memory allocation.

2020/01/27-16:22:14(CET) Log: Using mmap() allocation at 0xffff9e7ea000.

2020/01/27-16:22:14(CET) Stats: Starting SAT, 32M, 5 seconds

2020/01/27-16:22:14(CET) Log: initialized 120 data patterns

2020/01/27-16:22:14(CET) Log: Allocating pages, Total: 32 Free: 12

2020/01/27-16:22:14(CET) Starting Fill threads: 8 threads, 32 pages

2020/01/27-16:22:14(CET) Starting Fill Threads 0: 4 pages

2020/01/27-16:22:14(CET) Starting Fill Threads 1: 4 pages

2020/01/27-16:22:14(CET) Starting Fill Threads 2: 4 pages

2020/01/27-16:22:14(CET) Starting Fill Threads 3: 4 pages

2020/01/27-16:22:14(CET) Starting Fill Threads 4: 4 pages

2020/01/27-16:22:14(CET) Starting Fill Threads 5: 4 pages

2020/01/27-16:22:14(CET) Starting Fill Threads 6: 4 pages

2020/01/27-16:22:14(CET) Starting Fill Threads 7: 4 pages

2020/01/27-16:22:14(CET) Log: Thread 0 running on core ID 1 mask F (F).

2020/01/27-16:22:14(CET) Log: Starting fill thread 0

2020/01/27-16:22:14(CET) Log: Thread 2 running on core ID 2 mask F (F).

2020/01/27-16:22:14(CET) Log: Thread 1 running on core ID 0 mask F (F).

2020/01/27-16:22:14(CET) Log: Starting fill thread 1

2020/01/27-16:22:14(CET) Log: Thread 4 running on core ID 3 mask F (F).

2020/01/27-16:22:14(CET) Log: Starting fill thread 4

2020/01/27-16:22:14(CET) Log: Starting fill thread 2

2020/01/27-16:22:14(CET) Log: Thread 3 running on core ID 2 mask F (F).

2020/01/27-16:22:14(CET) Log: Starting fill thread 3

2020/01/27-16:22:14(CET) Log: Completed 1: Fill thread. Status 1, 4 pages filled

2020/01/27-16:22:14(CET) Log: Completed 3: Fill thread. Status 1, 4 pages filled

2020/01/27-16:22:14(CET) Log: Completed 4: Fill thread. Status 1, 4 pages filled

2020/01/27-16:22:14(CET) Log: Thread 7 running on core ID 3 mask F (F).

2020/01/27-16:22:14(CET) Log: Starting fill thread 7

2020/01/27-16:22:14(CET) Log: Thread 5 running on core ID 2 mask F (F).

2020/01/27-16:22:14(CET) Log: Thread 6 running on core ID 2 mask F (F).

2020/01/27-16:22:14(CET) Log: Starting fill thread 6

2020/01/27-16:22:14(CET) Log: Starting fill thread 5

2020/01/27-16:22:14(CET) Log: Completed 0: Fill thread. Status 1, 4 pages filled

2020/01/27-16:22:14(CET) Log: Completed 6: Fill thread. Status 1, 4 pages filled

2020/01/27-16:22:14(CET) Log: Completed 7: Fill thread. Status 1, 4 pages filled

2020/01/27-16:22:14(CET) Log: Completed 5: Fill thread. Status 1, 4 pages filled

2020/01/27-16:22:14(CET) Log: Completed 2: Fill thread. Status 1, 4 pages filled

2020/01/27-16:22:14(CET) Log: Done filling pages.

2020/01/27-16:22:14(CET) Log: Allocating pages.

2020/01/27-16:22:14(CET) Log: Done allocating pages.

2020/01/27-16:22:14(CET) Log: Region 0: 32.

2020/01/27-16:22:14(CET) Log: Region mask: 0x1

2020/01/27-16:22:14(CET) Log: Installing signal handlers

2020/01/27-16:22:14(CET) Log: Launching worker threads

2020/01/27-16:22:14(CET) Log: Starting worker threads

2020/01/27-16:22:14(CET) Log: Starting invert threads

2020/01/27-16:22:14(CET) Log: Starting disk stress threads

2020/01/27-16:22:14(CET) Log: Starting cpu stress threads

2020/01/27-16:22:14(CET) Log: Initializing WorkerStatus objects

2020/01/27-16:22:14(CET) Log: Spawning worker threads

2020/01/27-16:22:14(CET) Log: Spawning thread 1

2020/01/27-16:22:14(CET) Log: Spawning thread 2

2020/01/27-16:22:14(CET) Log: Spawning thread 3

2020/01/27-16:22:14(CET) Log: available CPU mask - F

2020/01/27-16:22:14(CET) Log: Spawning thread 4

2020/01/27-16:22:14(CET) Log: Spawning thread 0

2020/01/27-16:22:14(CET) Log: available CPU mask - F

2020/01/27-16:22:14(CET) Log: Thread 4 running on core ID 3 mask 8 (8).

2020/01/27-16:22:14(CET) Log: Starting countdown with 5 seconds

2020/01/27-16:22:14(CET) Log: Starting copy thread 4: cpu 8, mem ffffffff

2020/01/27-16:22:14(CET) Log: Thread 1 running on core ID 0 mask 1 (1).

2020/01/27-16:22:14(CET) Log: available CPU mask - F

2020/01/27-16:22:14(CET) Log: Starting copy thread 1: cpu 1, mem ffffffff

2020/01/27-16:22:14(CET) Log: available CPU mask - F

2020/01/27-16:22:14(CET) Log: Thread 3 running on core ID 1 mask 2 (2).

2020/01/27-16:22:14(CET) Log: Starting copy thread 3: cpu 2, mem ffffffff

2020/01/27-16:22:14(CET) Log: Thread 2 running on core ID 2 mask 4 (4).

2020/01/27-16:22:14(CET) Log: Starting copy thread 2: cpu 4, mem ffffffff

2020/01/27-16:22:14(CET) Log: Thread 0 running on core ID 3 mask F (F).

2020/01/27-16:22:14(CET) Log: Starting system error poll thread 0

2020/01/27-16:22:19(CET) Log: Joining worker threads

2020/01/27-16:22:19(CET) Log: Joining thread 1

2020/01/27-16:22:19(CET) Log: Completed 3: Copy thread. Status 1, 3639 pages copied

2020/01/27-16:22:19(CET) Log: Completed 4: Copy thread. Status 1, 3645 pages copied

2020/01/27-16:22:19(CET) Log: Completed 1: Copy thread. Status 1, 3633 pages copied

2020/01/27-16:22:19(CET) Log: Joining thread 2

2020/01/27-16:22:19(CET) Log: Completed 2: Copy thread. Status 1, 3595 pages copied

2020/01/27-16:22:19(CET) Log: Joining thread 3

2020/01/27-16:22:19(CET) Log: Joining thread 4

2020/01/27-16:22:19(CET) Log: Joining thread 0

2020/01/27-16:22:19(CET) Log: Finished system error poll thread 0: 0 errors

2020/01/27-16:22:19(CET) Log: Reads per page histogram

2020/01/27-16:22:19(CET) Log: 128 - 256: 1

2020/01/27-16:22:19(CET) Log: 256 - 512: 19

2020/01/27-16:22:19(CET) Log: 512 - 1024: 12

2020/01/27-16:22:19(CET) Log: Finished countdown, begin to result check

2020/01/27-16:22:19(CET) Log: Spawning thread 5

2020/01/27-16:22:19(CET) Log: Spawning thread 6

2020/01/27-16:22:19(CET) Log: Spawning thread 7

2020/01/27-16:22:19(CET) Log: Thread 5 running on core ID 0 mask F (F).

2020/01/27-16:22:19(CET) Log: Starting Check thread 5

2020/01/27-16:22:19(CET) Log: Spawning thread 8

2020/01/27-16:22:19(CET) Log: Spawning thread 9

2020/01/27-16:22:19(CET) Log: Spawning thread 10

2020/01/27-16:22:19(CET) Log: Spawning thread 11

2020/01/27-16:22:19(CET) Log: Spawning thread 12

2020/01/27-16:22:19(CET) Log: Joining thread 5

2020/01/27-16:22:19(CET) Log: Thread 12 running on core ID 2 mask F (F).

2020/01/27-16:22:19(CET) Log: Starting Check thread 12

2020/01/27-16:22:19(CET) Log: Thread 6 running on core ID 1 mask F (F).

2020/01/27-16:22:19(CET) Log: Thread 8 running on core ID 3 mask F (F).

2020/01/27-16:22:19(CET) Log: Starting Check thread 8

2020/01/27-16:22:19(CET) Log: Starting Check thread 6

2020/01/27-16:22:19(CET) Log: Thread 9 running on core ID 3 mask F (F).

2020/01/27-16:22:19(CET) Log: Completed 8: Check thread. Status 1, 5 pages checked

2020/01/27-16:22:19(CET) Log: Starting Check thread 9

2020/01/27-16:22:19(CET) Log: Completed 9: Check thread. Status 1, 0 pages checked

2020/01/27-16:22:19(CET) Log: Completed 12: Check thread. Status 1, 5 pages checked

2020/01/27-16:22:19(CET) Log: Completed 5: Check thread. Status 1, 5 pages checked

2020/01/27-16:22:19(CET) Log: Joining thread 6

2020/01/27-16:22:19(CET) Log: Thread 11 running on core ID 2 mask F (F).

2020/01/27-16:22:19(CET) Log: Starting Check thread 11

2020/01/27-16:22:19(CET) Log: Completed 11: Check thread. Status 1, 0 pages checked

2020/01/27-16:22:19(CET) Log: Thread 10 running on core ID 0 mask F (F).

2020/01/27-16:22:20(CET) Log: Starting Check thread 10

2020/01/27-16:22:20(CET) Log: Completed 10: Check thread. Status 1, 0 pages checked

2020/01/27-16:22:19(CET) Log: Thread 7 running on core ID 2 mask F (F).

2020/01/27-16:22:19(CET) Log: Completed 6: Check thread. Status 1, 5 pages checked

2020/01/27-16:22:20(CET) Log: Starting Check thread 7

2020/01/27-16:22:20(CET) Log: Completed 7: Check thread. Status 1, 0 pages checked

2020/01/27-16:22:20(CET) Log: Joining thread 7

2020/01/27-16:22:20(CET) Log: Joining thread 8

2020/01/27-16:22:20(CET) Log: Joining thread 9

2020/01/27-16:22:20(CET) Log: Joining thread 10

2020/01/27-16:22:20(CET) Log: Joining thread 11

2020/01/27-16:22:20(CET) Log: Joining thread 12

2020/01/27-16:22:20(CET) Log: Join all outstanding threads

2020/01/27-16:22:20(CET) Log: Reaping thread status 1

2020/01/27-16:22:20(CET) Log: Thread 1 found 0 hardware incidents

2020/01/27-16:22:20(CET) Log: Reaping thread status 2

2020/01/27-16:22:20(CET) Log: Thread 2 found 0 hardware incidents

2020/01/27-16:22:20(CET) Log: Reaping thread status 3

2020/01/27-16:22:20(CET) Log: Thread 3 found 0 hardware incidents

2020/01/27-16:22:20(CET) Log: Reaping thread status 4

2020/01/27-16:22:20(CET) Log: Thread 4 found 0 hardware incidents

2020/01/27-16:22:20(CET) Log: Reaping thread status 0

2020/01/27-16:22:20(CET) Log: Thread 0 found 0 hardware incidents

2020/01/27-16:22:20(CET) Log: Reaping thread status 5

2020/01/27-16:22:20(CET) Log: Thread 5 found 0 hardware incidents

2020/01/27-16:22:20(CET) Log: Reaping thread status 6

2020/01/27-16:22:20(CET) Log: Thread 6 found 0 hardware incidents

2020/01/27-16:22:20(CET) Log: Reaping thread status 7

2020/01/27-16:22:20(CET) Log: Thread 7 found 0 hardware incidents

2020/01/27-16:22:20(CET) Log: Reaping thread status 8

2020/01/27-16:22:20(CET) Log: Thread 8 found 0 hardware incidents

2020/01/27-16:22:20(CET) Log: Reaping thread status 9

2020/01/27-16:22:20(CET) Log: Thread 9 found 0 hardware incidents

2020/01/27-16:22:20(CET) Log: Reaping thread status 10

2020/01/27-16:22:20(CET) Log: Thread 10 found 0 hardware incidents

2020/01/27-16:22:20(CET) Log: Reaping thread status 11

2020/01/27-16:22:20(CET) Log: Thread 11 found 0 hardware incidents

2020/01/27-16:22:20(CET) Log: Reaping thread status 12

2020/01/27-16:22:20(CET) Log: Thread 12 found 0 hardware incidents

2020/01/27-16:22:20(CET) Stats: Found 0 hardware incidents

2020/01/27-16:22:20(CET) Stats: Completed: 29024.00M in 5.00s 5803.50MB/s, with 0 hardware incidents, 0 errors

2020/01/27-16:22:20(CET) Stats: Memory Copy: 29024.00M at 5804.33MB/s

2020/01/27-16:22:20(CET) Stats: File Copy: 0.00M at 0.00MB/s

2020/01/27-16:22:20(CET) Stats: Net Copy: 0.00M at 0.00MB/s

2020/01/27-16:22:20(CET) Stats: Data Check: 0.00M at 0.00MB/s

2020/01/27-16:22:20(CET) Stats: Invert Data: 0.00M at 0.00MB/s

2020/01/27-16:22:20(CET) Stats: Disk: 0.00M at 0.00MB/s

2020/01/27-16:22:20(CET) Log: Deleting worker threads

2020/01/27-16:22:20(CET) Log: Deleting thread 1

2020/01/27-16:22:20(CET) Log: Deleting thread 2

2020/01/27-16:22:20(CET) Log: Deleting thread 3

2020/01/27-16:22:20(CET) Log: Deleting thread 4

2020/01/27-16:22:20(CET) Log: Deleting thread 0

2020/01/27-16:22:20(CET) Log: Destroying WorkerStatus objects

2020/01/27-16:22:20(CET) Log: Uninstalling signal handlers

2020/01/27-16:22:20(CET)

2020/01/27-16:22:20(CET) Status: PASS - please verify no corrected errors

2020/01/27-16:22:20(CET)

</pre>

U0001

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MISC-TN-009: Characterizing the RAM bandwidth of Mito8M SoM

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