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1iFf.txt
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sbc-bench v0.4 -- Sun, 29 Jul 2018 12:34:58 +0000
Distributor ID: Debian
Description: Debian GNU/Linux 9.4 (stretch)
Release: 9.4
Codename: stretch
Architecture: armhf
Raspberry Pi ThreadX version:
Apr 16 2018 18:18:00
Copyright (c) 2012 Broadcom
version af8084725947aa2c7314172068f79dad9be1c8b4 (clean) (release)
ThreadX configuration (/boot/config.txt):
gpu_mem=16
dtparam=audio=on
Uptime: 12:34:58 up 48 min, 2 users, load average: 0.09, 1.53, 1.73
Linux 4.14.34-v7+ (raspberrypi) 07/29/2018 _armv7l_ (4 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
23.99 1.86 1.99 1.22 0.00 70.94
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
mmcblk0 3.58 83.01 167.54 241916 488245
zram0 0.23 0.41 0.51 1184 1488
zram1 0.23 0.41 0.53 1184 1540
zram2 0.22 0.41 0.46 1184 1352
zram3 0.21 0.41 0.44 1184 1284
total used free shared buff/cache available
Mem: 976M 59M 803M 29M 113M 872M
Swap: 488M 5.8M 482M
Filename Type Size Used Priority
/dev/zram0 partition 125020 1536 5
/dev/zram1 partition 125020 1536 5
/dev/zram2 partition 125020 1536 5
/dev/zram3 partition 125020 1280 5
##########################################################################
Checking cpufreq OPP:
Cpufreq OPP: 600 ThreadX: 600 Measured: 631.031/593.783/593.950
Cpufreq OPP: 900 ThreadX: 900 Measured: 892.833/892.929/893.489
##########################################################################
tinymembench v0.4.9 (simple benchmark for memory throughput and latency)
==========================================================================
== Memory bandwidth tests ==
== ==
== Note 1: 1MB = 1000000 bytes ==
== Note 2: Results for 'copy' tests show how many bytes can be ==
== copied per second (adding together read and writen ==
== bytes would have provided twice higher numbers) ==
== Note 3: 2-pass copy means that we are using a small temporary buffer ==
== to first fetch data into it, and only then write it to the ==
== destination (source -> L1 cache, L1 cache -> destination) ==
== Note 4: If sample standard deviation exceeds 0.1%, it is shown in ==
== brackets ==
==========================================================================
C copy backwards : 238.2 MB/s (0.8%)
C copy backwards (32 byte blocks) : 797.2 MB/s (2.5%)
C copy backwards (64 byte blocks) : 953.5 MB/s (2.0%)
C copy : 954.1 MB/s (2.8%)
C copy prefetched (32 bytes step) : 895.5 MB/s
C copy prefetched (64 bytes step) : 982.7 MB/s (2.2%)
C 2-pass copy : 590.0 MB/s
C 2-pass copy prefetched (32 bytes step) : 609.9 MB/s (1.1%)
C 2-pass copy prefetched (64 bytes step) : 625.4 MB/s (1.1%)
C fill : 1176.8 MB/s
C fill (shuffle within 16 byte blocks) : 1176.7 MB/s (0.7%)
C fill (shuffle within 32 byte blocks) : 398.2 MB/s (1.2%)
C fill (shuffle within 64 byte blocks) : 421.3 MB/s (1.6%)
---
standard memcpy : 616.7 MB/s
standard memset : 1176.1 MB/s (0.7%)
---
NEON read : 1320.3 MB/s (1.8%)
NEON read prefetched (32 bytes step) : 1347.6 MB/s
NEON read prefetched (64 bytes step) : 1344.8 MB/s (1.5%)
NEON read 2 data streams : 375.1 MB/s
NEON read 2 data streams prefetched (32 bytes step) : 696.0 MB/s (0.8%)
NEON read 2 data streams prefetched (64 bytes step) : 734.3 MB/s
NEON copy : 960.9 MB/s (2.0%)
NEON copy prefetched (32 bytes step) : 924.4 MB/s (2.2%)
NEON copy prefetched (64 bytes step) : 992.6 MB/s (2.1%)
NEON unrolled copy : 916.9 MB/s (1.8%)
NEON unrolled copy prefetched (32 bytes step) : 891.7 MB/s
NEON unrolled copy prefetched (64 bytes step) : 945.6 MB/s (1.6%)
NEON copy backwards : 799.0 MB/s
NEON copy backwards prefetched (32 bytes step) : 802.7 MB/s (2.8%)
NEON copy backwards prefetched (64 bytes step) : 835.2 MB/s
NEON 2-pass copy : 613.3 MB/s (1.1%)
NEON 2-pass copy prefetched (32 bytes step) : 631.3 MB/s
NEON 2-pass copy prefetched (64 bytes step) : 637.7 MB/s (1.2%)
NEON unrolled 2-pass copy : 577.9 MB/s
NEON unrolled 2-pass copy prefetched (32 bytes step) : 572.8 MB/s (0.6%)
NEON unrolled 2-pass copy prefetched (64 bytes step) : 604.0 MB/s (0.9%)
NEON fill : 1176.8 MB/s
NEON fill backwards : 1177.3 MB/s (0.5%)
VFP copy : 924.3 MB/s (1.6%)
VFP 2-pass copy : 576.4 MB/s (0.7%)
ARM fill (STRD) : 1175.1 MB/s (2.2%)
ARM fill (STM with 8 registers) : 1176.7 MB/s
ARM fill (STM with 4 registers) : 1177.4 MB/s (0.5%)
ARM copy prefetched (incr pld) : 925.1 MB/s
ARM copy prefetched (wrap pld) : 800.6 MB/s (3.2%)
ARM 2-pass copy prefetched (incr pld) : 623.2 MB/s
ARM 2-pass copy prefetched (wrap pld) : 595.6 MB/s (1.3%)
==========================================================================
== Framebuffer read tests. ==
== ==
== Many ARM devices use a part of the system memory as the framebuffer, ==
== typically mapped as uncached but with write-combining enabled. ==
== Writes to such framebuffers are quite fast, but reads are much ==
== slower and very sensitive to the alignment and the selection of ==
== CPU instructions which are used for accessing memory. ==
== ==
== Many x86 systems allocate the framebuffer in the GPU memory, ==
== accessible for the CPU via a relatively slow PCI-E bus. Moreover, ==
== PCI-E is asymmetric and handles reads a lot worse than writes. ==
== ==
== If uncached framebuffer reads are reasonably fast (at least 100 MB/s ==
== or preferably >300 MB/s), then using the shadow framebuffer layer ==
== is not necessary in Xorg DDX drivers, resulting in a nice overall ==
== performance improvement. For example, the xf86-video-fbturbo DDX ==
== uses this trick. ==
==========================================================================
NEON read (from framebuffer) : 61.1 MB/s
NEON copy (from framebuffer) : 60.7 MB/s (0.7%)
NEON 2-pass copy (from framebuffer) : 58.1 MB/s (0.7%)
NEON unrolled copy (from framebuffer) : 58.3 MB/s
NEON 2-pass unrolled copy (from framebuffer) : 57.5 MB/s
VFP copy (from framebuffer) : 293.7 MB/s (0.3%)
VFP 2-pass copy (from framebuffer) : 269.6 MB/s (0.6%)
ARM copy (from framebuffer) : 201.6 MB/s (0.7%)
ARM 2-pass copy (from framebuffer) : 178.0 MB/s
==========================================================================
== Memory latency test ==
== ==
== Average time is measured for random memory accesses in the buffers ==
== of different sizes. The larger is the buffer, the more significant ==
== are relative contributions of TLB, L1/L2 cache misses and SDRAM ==
== accesses. For extremely large buffer sizes we are expecting to see ==
== page table walk with several requests to SDRAM for almost every ==
== memory access (though 64MiB is not nearly large enough to experience ==
== this effect to its fullest). ==
== ==
== Note 1: All the numbers are representing extra time, which needs to ==
== be added to L1 cache latency. The cycle timings for L1 cache ==
== latency can be usually found in the processor documentation. ==
== Note 2: Dual random read means that we are simultaneously performing ==
== two independent memory accesses at a time. In the case if ==
== the memory subsystem can't handle multiple outstanding ==
== requests, dual random read has the same timings as two ==
== single reads performed one after another. ==
==========================================================================
block size : single random read / dual random read
1024 : 0.0 ns / 0.0 ns
2048 : 0.0 ns / 0.0 ns
4096 : 0.0 ns / 0.0 ns
8192 : 0.0 ns / 0.0 ns
16384 : 0.0 ns / 0.0 ns
32768 : 0.0 ns / 0.0 ns
65536 : 6.4 ns / 11.6 ns
131072 : 9.9 ns / 16.7 ns
262144 : 11.8 ns / 19.1 ns
524288 : 25.5 ns / 44.3 ns
1048576 : 90.5 ns / 144.4 ns
2097152 : 136.2 ns / 192.0 ns
4194304 : 160.0 ns / 210.7 ns
8388608 : 173.9 ns / 220.3 ns
16777216 : 184.0 ns / 230.7 ns
33554432 : 194.1 ns / 244.3 ns
67108864 : 208.6 ns / 270.2 ns
##########################################################################
OpenSSL (version 1.1.0f, built on 25 May 2017)
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes 16384 bytes
aes-128-cbc 14450.73k 20177.56k 22536.96k 22999.38k 23298.05k 23396.35k
aes-128-cbc 14269.96k 20233.73k 22451.54k 23102.12k 23284.39k 23308.97k
aes-192-cbc 12900.79k 17243.88k 19012.01k 19636.57k 19625.30k 19748.18k
aes-192-cbc 12801.88k 17359.10k 18876.76k 19553.62k 19791.87k 19617.11k
aes-256-cbc 11966.91k 15470.44k 16859.22k 17172.48k 17358.85k 17421.65k
aes-256-cbc 11856.44k 15628.89k 17046.87k 17286.14k 17536.34k 17481.73k
##########################################################################
7-Zip (a) [32] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,32 bits,4 CPUs LE)
LE
CPU Freq: 821 803 875 880 879 879 879 879
RAM size: 976 MB, # CPU hardware threads: 4
RAM usage: 882 MB, # Benchmark threads: 4
Compressing | Decompressing
Dict Speed Usage R/U Rating | Speed Usage R/U Rating
KiB/s % MIPS MIPS | KiB/s % MIPS MIPS
22: 442 100 431 430 | 8657 100 739 739
23: 433 100 443 442 | 8522 100 738 737
24: 424 100 457 456 | 8350 100 733 733
25: 414 100 474 473 | 8155 100 726 726
---------------------------------- | ------------------------------
Avr: 100 451 451 | 100 734 734
Tot: 100 593 592
##########################################################################
7-Zip (a) [32] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,32 bits,4 CPUs LE)
LE
CPU Freq: 813 808 878 878 879 879 879 877
RAM size: 976 MB, # CPU hardware threads: 4
RAM usage: 882 MB, # Benchmark threads: 4
Compressing | Decompressing
Dict Speed Usage R/U Rating | Speed Usage R/U Rating
KiB/s % MIPS MIPS | KiB/s % MIPS MIPS
22: 1288 302 414 1253 | 34137 392 744 2912
23: 1252 302 423 1276 | 32677 384 736 2827
24: 1255 312 433 1350 | 31827 380 734 2794
25: 1220 314 444 1394 | 31408 384 728 2795
---------------------------------- | ------------------------------
Avr: 307 429 1318 | 385 736 2832
Tot: 346 582 2075
7-Zip (a) [32] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,32 bits,4 CPUs LE)
LE
CPU Freq: 823 839 884 891 891 890 891 891
RAM size: 976 MB, # CPU hardware threads: 4
RAM usage: 882 MB, # Benchmark threads: 4
Compressing | Decompressing
Dict Speed Usage R/U Rating | Speed Usage R/U Rating
KiB/s % MIPS MIPS | KiB/s % MIPS MIPS
22: 1121 263 415 1091 | 34180 392 744 2916
23: 1236 300 420 1260 | 32962 386 738 2852
24: 1234 307 432 1327 | 32844 391 738 2883
25: 1239 318 445 1415 | 31237 382 728 2780
---------------------------------- | ------------------------------
Avr: 297 428 1273 | 388 737 2858
Tot: 342 582 2066
7-Zip (a) [32] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,32 bits,4 CPUs LE)
LE
CPU Freq: 890 891 891 891 891 891 876 891
RAM size: 976 MB, # CPU hardware threads: 4
RAM usage: 882 MB, # Benchmark threads: 4
Compressing | Decompressing
Dict Speed Usage R/U Rating | Speed Usage R/U Rating
KiB/s % MIPS MIPS | KiB/s % MIPS MIPS
22: 1235 291 413 1202 | 34091 391 745 2909
23: 1220 295 422 1244 | 32502 380 740 2812
24: 1223 306 431 1316 | 32302 386 734 2836
25: 1213 312 444 1385 | 31424 385 727 2797
---------------------------------- | ------------------------------
Avr: 301 427 1287 | 385 736 2838
Tot: 343 582 2063
Compression: 1318,1273,1287
Decompression: 2832,2858,2838
Total: 2075,2066,2063
##########################################################################
Testing clockspeeds again. System health now:
Time fake/real load %cpu %sys %usr %nice %io %irq Temp VCore
13:00:43: 900/ 900MHz 3.36 83% 2% 81% 0% 0% 0% 73.4°C 1.3125V
Checking cpufreq OPP:
Cpufreq OPP: 600 ThreadX: 600 Measured: 593.590/594.972/592.492
Cpufreq OPP: 900 ThreadX: 900 Measured: 893.741/892.785/893.489
##########################################################################
System health while running tinymembench:
Time fake/real load %cpu %sys %usr %nice %io %irq Temp VCore
12:35:00: 900/ 900MHz 0.09 29% 1% 23% 1% 1% 0% 58.4°C 1.3125V
12:36:00: 900/ 900MHz 0.85 26% 1% 25% 0% 0% 0% 62.1°C 1.3125V
12:37:00: 900/ 900MHz 0.95 26% 0% 25% 0% 0% 0% 61.6°C 1.3125V
12:38:01: 900/ 900MHz 1.03 26% 1% 25% 0% 0% 0% 63.8°C 1.3125V
12:39:01: 900/ 900MHz 1.13 26% 1% 25% 0% 0% 0% 63.2°C 1.3125V
12:40:01: 900/ 900MHz 1.05 26% 1% 25% 0% 0% 0% 61.6°C 1.3125V
12:41:01: 900/ 900MHz 1.02 25% 0% 25% 0% 0% 0% 61.6°C 1.3125V
12:42:01: 900/ 900MHz 1.18 26% 0% 25% 0% 0% 0% 61.6°C 1.3125V
12:43:02: 900/ 900MHz 1.06 26% 0% 25% 0% 0% 0% 61.6°C 1.3125V
12:44:02: 900/ 900MHz 1.02 26% 0% 25% 0% 0% 0% 61.1°C 1.3125V
12:45:02: 900/ 900MHz 1.01 26% 0% 25% 0% 0% 0% 61.6°C 1.3125V
12:46:02: 900/ 900MHz 1.04 26% 0% 25% 0% 0% 0% 61.6°C 1.3125V
System health while running OpenSSL benchmark:
Time fake/real load %cpu %sys %usr %nice %io %irq Temp VCore
12:46:39: 900/ 900MHz 1.02 28% 1% 24% 1% 0% 0% 61.6°C 1.3125V
12:46:49: 900/ 900MHz 1.02 26% 0% 25% 0% 0% 0% 62.1°C 1.3125V
12:46:59: 900/ 900MHz 1.02 26% 0% 25% 0% 0% 0% 62.1°C 1.3125V
12:47:09: 900/ 900MHz 1.01 26% 1% 25% 0% 0% 0% 61.6°C 1.3125V
12:47:19: 900/ 900MHz 1.01 26% 0% 25% 0% 0% 0% 62.7°C 1.3125V
12:47:30: 900/ 900MHz 1.01 26% 0% 25% 0% 0% 0% 62.1°C 1.3125V
12:47:40: 900/ 900MHz 1.01 26% 0% 25% 0% 0% 0% 62.7°C 1.3125V
12:47:50: 900/ 900MHz 1.00 26% 0% 25% 0% 0% 0% 61.6°C 1.3125V
12:48:00: 900/ 900MHz 1.00 26% 0% 25% 0% 0% 0% 62.1°C 1.3125V
12:48:10: 900/ 900MHz 1.00 26% 0% 25% 0% 0% 0% 61.6°C 1.3125V
12:48:20: 900/ 900MHz 1.00 26% 0% 25% 0% 0% 0% 62.1°C 1.3125V
System health while running 7-zip single core benchmark:
Time fake/real load %cpu %sys %usr %nice %io %irq Temp VCore
12:48:27: 900/ 900MHz 1.00 28% 1% 24% 1% 0% 0% 62.1°C 1.3125V
12:48:42: 900/ 900MHz 1.38 26% 1% 24% 0% 0% 0% 61.6°C 1.3125V
12:48:57: 900/ 900MHz 1.83 26% 1% 24% 0% 0% 0% 61.6°C 1.3125V
12:49:13: 900/ 900MHz 2.00 26% 1% 24% 0% 0% 0% 61.6°C 1.3125V
12:49:28: 900/ 900MHz 2.00 26% 1% 24% 0% 0% 0% 61.6°C 1.3125V
12:49:43: 900/ 900MHz 2.07 26% 1% 24% 0% 0% 0% 61.6°C 1.3125V
12:49:58: 900/ 900MHz 2.50 25% 0% 25% 0% 0% 0% 62.7°C 1.3125V
12:50:13: 900/ 900MHz 2.68 26% 1% 24% 0% 0% 0% 62.1°C 1.3125V
12:50:28: 900/ 900MHz 2.67 26% 1% 24% 0% 0% 0% 62.1°C 1.3125V
12:50:43: 900/ 900MHz 2.52 26% 1% 24% 0% 0% 0% 61.6°C 1.3125V
12:50:59: 900/ 900MHz 2.47 26% 1% 24% 0% 0% 0% 62.1°C 1.3125V
12:51:14: 900/ 900MHz 2.60 26% 1% 24% 0% 0% 0% 62.1°C 1.3125V
12:51:29: 900/ 900MHz 2.78 25% 1% 24% 0% 0% 0% 62.1°C 1.3125V
12:51:44: 900/ 900MHz 2.82 26% 1% 24% 0% 0% 0% 62.1°C 1.3125V
12:51:59: 900/ 900MHz 2.71 26% 1% 24% 0% 0% 0% 62.1°C 1.3125V
12:52:14: 900/ 900MHz 2.62 26% 1% 24% 0% 0% 0% 62.1°C 1.3125V
12:52:29: 900/ 900MHz 2.55 26% 1% 24% 0% 0% 0% 62.1°C 1.3125V
12:52:45: 900/ 900MHz 2.43 26% 1% 24% 0% 0% 0% 62.7°C 1.3125V
12:53:00: 900/ 900MHz 2.41 26% 1% 24% 0% 0% 0% 61.6°C 1.3125V
12:53:15: 900/ 900MHz 2.39 26% 1% 24% 0% 0% 0% 62.7°C 1.3125V
12:53:30: 900/ 900MHz 2.30 26% 1% 24% 0% 0% 0% 62.7°C 1.3125V
12:53:45: 900/ 900MHz 2.30 26% 1% 24% 0% 0% 0% 62.7°C 1.3125V
12:54:00: 900/ 900MHz 2.24 26% 1% 24% 0% 0% 0% 62.1°C 1.3125V
12:54:15: 900/ 900MHz 2.39 26% 1% 24% 0% 0% 0% 62.7°C 1.3125V
12:54:31: 900/ 900MHz 2.74 25% 1% 24% 0% 0% 0% 61.6°C 1.3125V
System health while running 7-zip multi core benchmark:
Time fake/real load %cpu %sys %usr %nice %io %irq Temp VCore
12:54:31: 900/ 900MHz 2.74 28% 1% 24% 1% 0% 0% 62.1°C 1.3125V
12:55:02: 900/ 900MHz 2.80 77% 1% 75% 0% 0% 0% 68.1°C 1.3125V
12:55:34: 900/ 900MHz 3.41 79% 2% 77% 0% 0% 0% 69.1°C 1.3125V
12:56:04: 900/ 900MHz 3.25 73% 2% 71% 0% 0% 0% 69.1°C 1.3125V
12:56:34: 900/ 900MHz 3.52 84% 2% 81% 0% 0% 0% 70.2°C 1.3125V
12:57:07: 900/ 900MHz 3.57 75% 1% 73% 0% 0% 0% 70.2°C 1.3125V
12:57:39: 900/ 900MHz 3.53 79% 2% 76% 0% 0% 0% 71.3°C 1.3125V
12:58:09: 900/ 900MHz 3.61 74% 2% 71% 0% 0% 0% 71.3°C 1.3125V
12:58:39: 900/ 900MHz 3.38 83% 2% 81% 0% 0% 0% 70.8°C 1.3125V
12:59:11: 900/ 900MHz 3.26 78% 2% 76% 0% 0% 0% 72.9°C 1.3125V
12:59:43: 900/ 900MHz 3.34 78% 2% 75% 0% 0% 0% 72.9°C 1.3125V
13:00:13: 900/ 900MHz 3.29 73% 2% 71% 0% 0% 0% 72.9°C 1.3125V
13:00:43: 900/ 900MHz 3.36 83% 2% 81% 0% 0% 0% 73.4°C 1.3125V
##########################################################################
Linux 4.14.34-v7+ (raspberrypi) 07/29/2018 _armv7l_ (4 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
28.64 1.23 1.77 0.80 0.00 67.56
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
mmcblk0 2.37 54.72 109.45 244164 488313
zram0 0.16 0.27 0.39 1184 1744
zram1 0.17 0.27 0.40 1184 1796
zram2 0.16 0.27 0.38 1184 1684
zram3 0.17 0.27 0.40 1216 1792
total used free shared buff/cache available
Mem: 976M 60M 812M 28M 104M 872M
Swap: 488M 7.0M 481M
Filename Type Size Used Priority
/dev/zram0 partition 125020 1792 5
/dev/zram1 partition 125020 1792 5
/dev/zram2 partition 125020 1792 5
/dev/zram3 partition 125020 1792 5
Architecture: armv7l
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 1
Core(s) per socket: 4
Socket(s): 1
Model: 5
Model name: ARMv7 Processor rev 5 (v7l)
CPU max MHz: 900.0000
CPU min MHz: 600.0000
BogoMIPS: 57.60
Flags: half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm