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1iGz.txt
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sbc-bench v0.4 -- Sun, 29 Jul 2018 17:20:29 +0000
Distributor ID: Raspbian
Description: Raspbian GNU/Linux 9.4 (stretch)
Release: 9.4
Codename: stretch
Architecture: armhf
Raspberry Pi ThreadX version:
Jun 7 2018 15:31:38
Copyright (c) 2012 Broadcom
version 4800f08a139d6ca1c5ecbee345ea6682e2160881 (clean) (release)
ThreadX configuration (/boot/config.txt):
disable_overscan=1
arm_freq=1570
over_voltage=4
core_freq=500
gpu_freq=500
sdram_freq=510
over_voltage_sdram=2
dtparam=audio=on
Uptime: 17:20:30 up 17 min, 1 user, load average: 1.16, 1.09, 0.60
Linux 4.14.50-v7+ (raspberrypi) 29/07/18 _armv7l_ (4 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
8.91 0.00 1.09 2.26 0.00 87.73
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
mmcblk0 9.72 263.63 177.00 282895 189937
total used free shared buff/cache available
Mem: 927M 112M 403M 13M 410M 746M
Swap: 99M 0B 99M
Filename Type Size Used Priority
/var/swap file 102396 0 -2
##########################################################################
Checking cpufreq OPP:
Cpufreq OPP: 600 ThreadX: 600 Measured: 583.943/586.214/581.094
Cpufreq OPP: 1570 ThreadX: 1200 Measured: 1186.900/1187.992/1186.941
##########################################################################
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 : 1203.1 MB/s (3.2%)
C copy backwards (32 byte blocks) : 1206.9 MB/s (0.1%)
C copy backwards (64 byte blocks) : 1216.6 MB/s (0.1%)
C copy : 1208.1 MB/s (0.2%)
C copy prefetched (32 bytes step) : 1224.6 MB/s
C copy prefetched (64 bytes step) : 1225.7 MB/s (0.1%)
C 2-pass copy : 1026.9 MB/s
C 2-pass copy prefetched (32 bytes step) : 1053.4 MB/s
C 2-pass copy prefetched (64 bytes step) : 1053.7 MB/s (1.3%)
C fill : 1792.1 MB/s (0.2%)
C fill (shuffle within 16 byte blocks) : 1791.6 MB/s (0.2%)
C fill (shuffle within 32 byte blocks) : 1792.5 MB/s (0.2%)
C fill (shuffle within 64 byte blocks) : 1791.9 MB/s (0.2%)
---
standard memcpy : 1227.2 MB/s (0.1%)
standard memset : 1787.2 MB/s
---
NEON read : 2163.0 MB/s (16.7%)
NEON read prefetched (32 bytes step) : 2450.9 MB/s (0.4%)
NEON read prefetched (64 bytes step) : 2447.9 MB/s (1.5%)
NEON read 2 data streams : 1921.3 MB/s (0.1%)
NEON read 2 data streams prefetched (32 bytes step) : 2122.4 MB/s (0.1%)
NEON read 2 data streams prefetched (64 bytes step) : 2097.1 MB/s
NEON copy : 1208.8 MB/s (0.4%)
NEON copy prefetched (32 bytes step) : 1233.6 MB/s
NEON copy prefetched (64 bytes step) : 1232.6 MB/s
NEON unrolled copy : 1212.3 MB/s (0.1%)
NEON unrolled copy prefetched (32 bytes step) : 1232.6 MB/s (0.6%)
NEON unrolled copy prefetched (64 bytes step) : 1232.1 MB/s (1.2%)
NEON copy backwards : 1215.6 MB/s (0.3%)
NEON copy backwards prefetched (32 bytes step) : 1232.7 MB/s (0.1%)
NEON copy backwards prefetched (64 bytes step) : 1231.8 MB/s
NEON 2-pass copy : 1040.8 MB/s
NEON 2-pass copy prefetched (32 bytes step) : 1062.5 MB/s
NEON 2-pass copy prefetched (64 bytes step) : 1073.4 MB/s
NEON unrolled 2-pass copy : 1024.3 MB/s
NEON unrolled 2-pass copy prefetched (32 bytes step) : 1064.5 MB/s
NEON unrolled 2-pass copy prefetched (64 bytes step) : 1067.0 MB/s
NEON fill : 1793.7 MB/s (0.2%)
NEON fill backwards : 1792.5 MB/s
VFP copy : 1211.2 MB/s (1.1%)
VFP 2-pass copy : 1020.1 MB/s (0.2%)
ARM fill (STRD) : 1790.1 MB/s (0.2%)
ARM fill (STM with 8 registers) : 1793.2 MB/s (0.2%)
ARM fill (STM with 4 registers) : 1792.5 MB/s (0.4%)
ARM copy prefetched (incr pld) : 1230.7 MB/s
ARM copy prefetched (wrap pld) : 1228.4 MB/s (0.1%)
ARM 2-pass copy prefetched (incr pld) : 1059.4 MB/s
ARM 2-pass copy prefetched (wrap pld) : 1054.5 MB/s
==========================================================================
== 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) : 69.3 MB/s
NEON copy (from framebuffer) : 66.9 MB/s
NEON 2-pass copy (from framebuffer) : 66.8 MB/s
NEON unrolled copy (from framebuffer) : 67.4 MB/s (0.4%)
NEON 2-pass unrolled copy (from framebuffer) : 66.5 MB/s
VFP copy (from framebuffer) : 404.7 MB/s
VFP 2-pass copy (from framebuffer) : 374.3 MB/s
ARM copy (from framebuffer) : 209.3 MB/s (0.2%)
ARM 2-pass copy (from framebuffer) : 222.4 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 : 5.4 ns / 9.2 ns
131072 : 8.2 ns / 13.0 ns
262144 : 9.7 ns / 14.8 ns
524288 : 15.6 ns / 25.1 ns
1048576 : 83.6 ns / 129.6 ns
2097152 : 120.2 ns / 166.4 ns
4194304 : 143.7 ns / 187.0 ns
8388608 : 155.9 ns / 196.2 ns
16777216 : 163.5 ns / 202.3 ns
33554432 : 168.6 ns / 206.6 ns
67108864 : 171.6 ns / 209.3 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 30523.86k 38819.78k 44861.18k 47951.87k 48646.83k 48676.86k
aes-128-cbc 30553.23k 41643.63k 46294.36k 47598.25k 47783.94k 47950.51k
aes-192-cbc 27694.22k 36458.41k 40087.72k 41062.40k 41224.87k 41385.98k
aes-192-cbc 27719.81k 36599.30k 39942.83k 41063.08k 41366.87k 41243.99k
aes-256-cbc 25528.73k 32838.19k 35489.62k 36386.82k 36618.24k 36629.16k
aes-256-cbc 25413.10k 32836.31k 35617.71k 36262.23k 36615.51k 36612.78k
##########################################################################
7-Zip (a) [32] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=en_GB.UTF-8,Utf16=on,HugeFiles=on,32 bits,4 CPUs LE)
LE
CPU Freq: 1014 1091 1117 1115 1096 1120 1116 1115 1118
RAM size: 927 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: 597 100 581 581 | 13821 100 1180 1179
23: 586 100 597 597 | 13503 100 1168 1168
24: 546 100 588 588 | 11250 100 988 988
25: 444 99 512 507 | 12772 100 1137 1137
---------------------------------- | ------------------------------
Avr: 100 570 568 | 100 1118 1118
Tot: 100 844 843
##########################################################################
7-Zip (a) [32] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=en_GB.UTF-8,Utf16=on,HugeFiles=on,32 bits,4 CPUs LE)
LE
CPU Freq: 1131 1139 1196 1199 1197 1199 1195 1198 1199
RAM size: 927 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: 1646 290 551 1602 | 53178 372 1221 4537
23: 1637 297 562 1668 | 51782 370 1211 4480
24: 1825 338 581 1963 | 50488 370 1198 4432
25: 1771 343 589 2022 | 47663 362 1173 4242
---------------------------------- | ------------------------------
Avr: 317 571 1814 | 368 1201 4423
Tot: 343 886 3118
7-Zip (a) [32] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=en_GB.UTF-8,Utf16=on,HugeFiles=on,32 bits,4 CPUs LE)
LE
CPU Freq: 1198 1199 1198 1199 1198 1196 1199 1199 1199
RAM size: 927 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: 1854 322 560 1804 | 53163 371 1223 4536
23: 1829 329 567 1864 | 51724 370 1211 4475
24: 1596 300 571 1716 | 50557 370 1199 4438
25: 1580 309 583 1804 | 48616 368 1175 4327
---------------------------------- | ------------------------------
Avr: 315 570 1797 | 370 1202 4444
Tot: 342 886 3121
7-Zip (a) [32] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=en_GB.UTF-8,Utf16=on,HugeFiles=on,32 bits,4 CPUs LE)
LE
CPU Freq: 1197 1198 1199 1198 1198 1199 1198 1198 1199
RAM size: 927 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: 1667 294 551 1622 | 53114 371 1222 4532
23: 1819 327 567 1854 | 51294 368 1205 4438
24: 1798 334 579 1934 | 50570 370 1199 4439
25: 1763 342 588 2013 | 48391 367 1175 4307
---------------------------------- | ------------------------------
Avr: 324 571 1856 | 369 1200 4429
Tot: 347 886 3142
Compression: 1814,1797,1856
Decompression: 4423,4444,4429
Total: 3118,3121,3142
##########################################################################
Testing clockspeeds again. System health now:
Time fake/real load %cpu %sys %usr %nice %io %irq Temp VCore
17:40:04: 1570/1200MHz 3.41 90% 1% 88% 0% 0% 0% 75.2°C 1.3312V
Checking cpufreq OPP:
Cpufreq OPP: 600 ThreadX: 600 Measured: 571.747/597.418/563.326
Cpufreq OPP: 1570 ThreadX: 1200 Measured: 1187.541/1187.787/1188.620
##########################################################################
System health while running tinymembench:
Time fake/real load %cpu %sys %usr %nice %io %irq Temp VCore
17:20:31: 1570/1200MHz 1.16 12% 1% 8% 0% 2% 0% 61.2°C 1.3312V
17:21:32: 1570/1200MHz 1.17 27% 0% 26% 0% 0% 0% 64.5°C 1.3312V
17:22:32: 1570/1200MHz 1.23 27% 0% 27% 0% 0% 0% 64.5°C 1.3312V
17:23:32: 1570/1200MHz 1.14 26% 0% 26% 0% 0% 0% 64.5°C 1.3312V
17:24:32: 1570/1200MHz 1.08 26% 0% 26% 0% 0% 0% 64.5°C 1.3312V
17:25:32: 1570/1200MHz 1.15 26% 0% 26% 0% 0% 0% 62.8°C 1.3312V
17:26:32: 1570/1200MHz 1.13 25% 0% 25% 0% 0% 0% 62.8°C 1.3312V
17:27:32: 1570/1200MHz 1.13 25% 0% 25% 0% 0% 0% 62.3°C 1.3312V
System health while running OpenSSL benchmark:
Time fake/real load %cpu %sys %usr %nice %io %irq Temp VCore
17:28:28: 1570/1200MHz 1.05 16% 0% 14% 0% 1% 0% 62.3°C 1.3312V
17:28:38: 1570/1200MHz 1.04 26% 0% 25% 0% 0% 0% 63.4°C 1.3312V
17:28:48: 1570/1200MHz 1.03 25% 0% 25% 0% 0% 0% 62.8°C 1.3312V
17:28:58: 1570/1200MHz 1.03 25% 0% 25% 0% 0% 0% 63.4°C 1.3312V
17:29:08: 1570/1200MHz 1.02 25% 0% 25% 0% 0% 0% 63.4°C 1.3312V
17:29:18: 1570/1200MHz 1.02 25% 0% 25% 0% 0% 0% 64.5°C 1.3312V
17:29:28: 1570/1200MHz 1.02 26% 0% 25% 0% 0% 0% 64.5°C 1.3312V
17:29:38: 1570/1200MHz 1.09 26% 0% 25% 0% 0% 0% 64.5°C 1.3312V
17:29:48: 1570/1200MHz 1.08 25% 0% 25% 0% 0% 0% 63.9°C 1.3312V
17:29:58: 1570/1200MHz 1.07 25% 0% 25% 0% 0% 0% 63.4°C 1.3312V
17:30:08: 1570/1200MHz 1.06 25% 0% 25% 0% 0% 0% 64.5°C 1.3312V
System health while running 7-zip single core benchmark:
Time fake/real load %cpu %sys %usr %nice %io %irq Temp VCore
17:30:16: 1570/1200MHz 1.05 17% 0% 14% 0% 1% 0% 64.5°C 1.3312V
17:30:31: 1570/1200MHz 1.39 25% 0% 24% 0% 0% 0% 63.4°C 1.3312V
17:30:46: 1570/1200MHz 2.04 25% 0% 24% 0% 0% 0% 63.4°C 1.3312V
17:31:01: 1570/1200MHz 2.18 25% 0% 24% 0% 0% 0% 63.4°C 1.3312V
17:31:16: 1570/1200MHz 2.14 25% 0% 24% 0% 0% 0% 63.4°C 1.3312V
17:31:31: 1570/1200MHz 2.56 25% 0% 24% 0% 0% 0% 63.4°C 1.3312V
17:31:46: 1570/1200MHz 2.67 25% 0% 24% 0% 0% 0% 63.4°C 1.3312V
17:32:01: 1570/1200MHz 2.60 25% 0% 24% 0% 0% 0% 63.4°C 1.3312V
17:32:16: 1570/1200MHz 2.68 25% 0% 24% 0% 0% 0% 63.4°C 1.3312V
17:32:31: 1570/1200MHz 2.84 35% 2% 31% 0% 0% 0% 63.9°C 1.3312V
17:32:47: 1570/1200MHz 3.32 38% 0% 36% 1% 0% 0% 64.5°C 1.3312V
17:33:02: 1570/1200MHz 3.18 40% 1% 37% 1% 0% 0% 65.0°C 1.3312V
17:33:17: 1570/1200MHz 3.15 40% 0% 37% 2% 0% 0% 65.0°C 1.3312V
17:33:32: 1570/1200MHz 3.42 44% 1% 39% 4% 0% 0% 65.0°C 1.3312V
17:33:47: 1570/1200MHz 3.49 43% 1% 37% 4% 0% 0% 65.5°C 1.3312V
17:34:02: 1570/1200MHz 3.62 42% 1% 38% 1% 0% 0% 65.5°C 1.3312V
17:34:17: 1570/1200MHz 3.40 41% 1% 39% 1% 0% 0% 65.5°C 1.3312V
17:34:32: 1570/1200MHz 3.47 43% 1% 38% 2% 0% 0% 66.1°C 1.3312V
17:34:47: 1570/1200MHz 3.50 31% 1% 29% 0% 0% 0% 64.5°C 1.3312V
17:35:07: 1570/1200MHz 3.40 34% 0% 24% 0% 9% 0% 64.5°C 1.3312V
17:35:22: 1570/1200MHz 4.29 49% 1% 21% 0% 25% 0% 64.5°C 1.3312V
System health while running 7-zip multi core benchmark:
Time fake/real load %cpu %sys %usr %nice %io %irq Temp VCore
17:35:30: 1570/1200MHz 4.26 20% 0% 17% 0% 1% 0% 64.5°C 1.3312V
17:36:00: 1570/1200MHz 3.92 72% 1% 71% 0% 0% 0% 69.3°C 1.3312V
17:36:30: 1570/1200MHz 3.56 82% 1% 81% 0% 0% 0% 70.9°C 1.3312V
17:37:01: 1570/1200MHz 3.88 89% 1% 87% 0% 0% 0% 73.1°C 1.3312V
17:37:31: 1570/1200MHz 3.63 75% 1% 74% 0% 0% 0% 72.5°C 1.3312V
17:38:01: 1570/1200MHz 3.37 75% 1% 73% 0% 0% 0% 73.1°C 1.3312V
17:38:31: 1570/1200MHz 3.56 82% 1% 80% 0% 0% 0% 72.5°C 1.3312V
17:39:03: 1570/1200MHz 3.41 73% 1% 72% 0% 0% 0% 74.1°C 1.3312V
17:39:33: 1570/1200MHz 3.32 79% 1% 77% 0% 0% 0% 74.1°C 1.3312V
17:40:04: 1570/1200MHz 3.41 90% 1% 88% 0% 0% 0% 75.2°C 1.3312V
##########################################################################
Linux 4.14.50-v7+ (raspberrypi) 29/07/18 _armv7l_ (4 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
25.05 0.16 0.99 1.35 0.00 72.45
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
mmcblk0 5.37 147.31 116.45 331923 262405
total used free shared buff/cache available
Mem: 927M 67M 818M 2.0M 41M 813M
Swap: 99M 67M 32M
Filename Type Size Used Priority
/var/swap file 102396 69376 -2
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: 4
Model name: ARMv7 Processor rev 4 (v7l)
CPU max MHz: 1570.0000
CPU min MHz: 600.0000
BogoMIPS: 100.48
Flags: half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm crc32