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3MGN.txt
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sbc-bench v0.9.1 Raspberry Pi Model B Rev 2 (Tue, 18 Jan 2022 16:08:48 +0000)
Distributor ID: Raspbian
Description: Raspbian GNU/Linux 11 (bullseye)
Release: 11
Codename: bullseye
Architecture: armhf
Raspberry Pi ThreadX version:
Oct 29 2021 10:49:08
Copyright (c) 2012 Broadcom
version b8a114e5a9877e91ca8f26d1a5ce904b2ad3cf13 (clean) (release) (start)
ThreadX configuration (/boot/config.txt):
dtparam=audio=on
camera_auto_detect=1
display_auto_detect=1
dtoverlay=vc4-kms-v3d
max_framebuffers=2
disable_overscan=1
[cm4]
otg_mode=1
[all]
[pi4]
arm_boost=1
[all]
Actual ThreadX settings:
aphy_params_current=547
arm_freq_min=700
audio_pwm_mode=514
camera_auto_detect=1
config_hdmi_boost=2
disable_auto_turbo=1
disable_commandline_tags=2
disable_overscan=1
display_auto_detect=1
display_hdmi_rotate=-1
display_lcd_rotate=-1
dphy_params_current=547
dvfs=3
enable_tvout=1
enable_uart=1
force_pwm_open=1
framebuffer_ignore_alpha=1
framebuffer_swap=1
ignore_lcd=1
init_uart_clock=0x2dc6c00
mask_gpu_interrupt0=3072
mask_gpu_interrupt1=26370
max_framebuffers=2
pause_burst_frames=1
program_serial_random=1
total_mem=512
hdmi_force_cec_address:0=65535
hdmi_force_cec_address:1=65535
hdmi_pixel_freq_limit:0=0x9a7ec80
/usr/bin/gcc (Raspbian 10.2.1-6+rpi1) 10.2.1 20210110
Uptime: 16:08:50 up 7 min, 1 user, load average: 0.54, 0.41, 0.26
Linux 5.10.63+ (raspberrypi) 01/18/22 _armv6l_ (1 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
10.67 0.12 8.16 1.66 0.00 79.39
Device tps kB_read/s kB_wrtn/s kB_dscd/s kB_read kB_wrtn kB_dscd
mmcblk0 13.82 293.35 48.41 0.00 130185 21484 0
total used free shared buff/cache available
Mem: 429Mi 34Mi 349Mi 0.0Ki 44Mi 347Mi
Swap: 99Mi 0B 99Mi
Filename Type Size Used Priority
/var/swap file 102396 0 -2
##########################################################################
Checking cpufreq OPP (ARM1176):
Cpufreq OPP: 700 ThreadX: 700 Measured: 690 @ 1.2V
##########################################################################
Executing benchmark on cpu0 (ARM1176):
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 : 119.8 MB/s (1.0%)
C copy backwards (32 byte blocks) : 120.7 MB/s (1.3%)
C copy backwards (64 byte blocks) : 123.1 MB/s (1.4%)
C copy : 122.3 MB/s (0.7%)
C copy prefetched (32 bytes step) : 358.1 MB/s (23.6%)
C copy prefetched (64 bytes step) : 201.5 MB/s (0.7%)
C 2-pass copy : 132.9 MB/s (1.6%)
C 2-pass copy prefetched (32 bytes step) : 240.6 MB/s (1.7%)
C 2-pass copy prefetched (64 bytes step) : 204.3 MB/s (1.0%)
C fill : 735.6 MB/s (0.2%)
C fill (shuffle within 16 byte blocks) : 735.7 MB/s (0.6%)
C fill (shuffle within 32 byte blocks) : 735.4 MB/s (0.9%)
C fill (shuffle within 64 byte blocks) : 735.1 MB/s (0.9%)
---
standard memcpy : 355.0 MB/s (1.4%)
standard memset : 1424.4 MB/s (1.1%)
---
VFP copy : 157.8 MB/s (1.0%)
VFP 2-pass copy : 141.0 MB/s (1.1%)
ARM fill (STRD) : 735.3 MB/s (0.2%)
ARM fill (STM with 8 registers) : 1088.3 MB/s
ARM fill (STM with 4 registers) : 1442.9 MB/s (0.9%)
ARM copy prefetched (incr pld) : 355.9 MB/s
ARM copy prefetched (wrap pld) : 186.5 MB/s
ARM 2-pass copy prefetched (incr pld) : 282.2 MB/s (0.9%)
ARM 2-pass copy prefetched (wrap pld) : 224.2 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. ==
==========================================================================
VFP copy (from framebuffer) : 164.3 MB/s (0.3%)
VFP 2-pass copy (from framebuffer) : 150.0 MB/s (1.3%)
ARM copy (from framebuffer) : 146.2 MB/s (0.4%)
ARM 2-pass copy (from framebuffer) : 160.8 MB/s (0.2%)
==========================================================================
== 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 : 0.2 ns / 0.5 ns
4096 : 0.0 ns / 0.0 ns
8192 : 0.1 ns / 0.0 ns
16384 : 1.7 ns / 2.6 ns
32768 : 32.5 ns / 52.9 ns
65536 : 52.7 ns / 75.8 ns
131072 : 68.8 ns / 92.7 ns
262144 : 133.5 ns / 208.9 ns
524288 : 228.7 ns / 399.9 ns
1048576 : 276.5 ns / 498.9 ns
2097152 : 300.3 ns / 550.0 ns
4194304 : 312.8 ns / 575.6 ns
8388608 : 319.4 ns / 590.7 ns
16777216 : 333.4 ns / 606.7 ns
33554432 : 351.9 ns / 656.6 ns
67108864 : 383.3 ns / 719.5 ns
##########################################################################
Executing benchmark twice on cluster 0 (ARM1176)
OpenSSL 1.1.1k, built on 25 Mar 2021
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes 16384 bytes
aes-128-cbc 8351.64k 12832.98k 14582.27k 15186.26k 15245.31k 14783.83k
aes-128-cbc 7452.71k 12068.37k 14681.17k 15373.31k 15605.76k 15357.27k
aes-192-cbc 5841.53k 9809.92k 12228.61k 12979.54k 13101.74k 12927.57k
aes-192-cbc 6020.05k 10209.94k 12424.11k 13238.27k 13494.95k 13331.11k
aes-256-cbc 6475.07k 9686.12k 10880.68k 11452.76k 11408.73k 11512.49k
aes-256-cbc 6648.35k 9974.95k 11279.53k 11582.12k 11856.55k 11747.33k
##########################################################################
Executing benchmark single-threaded on cpu0 (ARM1176)
7-Zip (a) [32] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=C,Utf16=off,HugeFiles=on,32 bits,1 CPU LE)
LE
CPU Freq: 9142857 9142857 12800000 12800000 16000000 32000000 56888888 128000000 292571428
RAM size: 429 MB, # CPU hardware threads: 1
RAM usage: 219 MB, # Benchmark threads: 1
Compressing | Decompressing
Dict Speed Usage R/U Rating | Speed Usage R/U Rating
KiB/s % MIPS MIPS | KiB/s % MIPS MIPS
22: 225 99 223 220 | 4976 99 429 425
23: 209 98 217 214 | 4710 95 427 408
24: 206 99 225 222 | 4777 98 426 419
---------------------------------- | ------------------------------
Avr: 99 222 218 | 98 427 417
Tot: 98 324 318
Compression: 218
Decompression: 417
Total: 318
##########################################################################
Testing clockspeeds again. System health now:
Time fake/real load %cpu %sys %usr %nice %io %irq Temp VCore
16:34:06: 700/ 700MHz 1.28 100% 2% 97% 0% 0% 0% 53.0°C 1.2V
Checking cpufreq OPP (ARM1176):
Cpufreq OPP: 700 ThreadX: 700 Measured: 335 @ 1.2V
##########################################################################
Thermal source: /sys/devices/virtual/thermal/thermal_zone0/ (cpu-thermal)
System health while running tinymembench:
Time fake/real load %cpu %sys %usr %nice %io %irq Temp VCore
16:09:12: 700/ 700MHz 0.76 22% 7% 12% 0% 1% 0% 41.2°C 1.2V
16:10:11: 700/ 700MHz 1.02 100% 1% 98% 0% 0% 0% 42.8°C 1.2V
16:11:10: 700/ 700MHz 1.19 100% 0% 99% 0% 0% 0% 46.5°C 1.2V
16:12:10: 700/ 700MHz 1.33 100% 0% 99% 0% 0% 0% 46.5°C 1.2V
16:13:10: 700/ 700MHz 1.38 100% 0% 99% 0% 0% 0% 46.5°C 1.2V
16:14:08: 700/ 700MHz 1.36 100% 0% 99% 0% 0% 0% 46.5°C 1.2V
16:15:07: 700/ 700MHz 1.26 100% 0% 99% 0% 0% 0% 46.5°C 1.2V
16:16:07: 700/ 700MHz 1.28 100% 0% 99% 0% 0% 0% 46.5°C 1.2V
16:17:06: 700/ 700MHz 1.28 100% 0% 99% 0% 0% 0% 47.6°C 1.2V
16:18:06: 700/ 700MHz 1.28 100% 0% 99% 0% 0% 0% 47.6°C 1.2V
16:19:06: 700/ 700MHz 1.44 100% 1% 98% 0% 0% 0% 48.7°C 1.2V
16:20:05: 700/ 700MHz 1.42 100% 0% 99% 0% 0% 0% 48.7°C 1.2V
16:21:04: 700/ 700MHz 1.38 100% 0% 99% 0% 0% 0% 49.8°C 1.2V
16:22:04: 700/ 700MHz 1.32 100% 0% 99% 0% 0% 0% 49.8°C 1.2V
16:23:03: 700/ 700MHz 1.24 100% 0% 99% 0% 0% 0% 49.8°C 1.2V
16:24:03: 700/ 700MHz 1.31 100% 0% 99% 0% 0% 0% 50.8°C 1.2V
16:25:05: 700/ 700MHz 1.40 100% 1% 97% 0% 0% 0% 51.4°C 1.2V
16:26:03: 700/ 700MHz 1.36 100% 0% 98% 0% 0% 0% 51.4°C 1.2V
16:27:03: 700/ 700MHz 1.31 100% 0% 99% 0% 0% 0% 51.9°C 1.2V
16:28:02: 700/ 700MHz 1.30 100% 0% 99% 0% 0% 0% 51.9°C 1.2V
System health while running OpenSSL benchmark:
Time fake/real load %cpu %sys %usr %nice %io %irq Temp VCore
16:29:08: 700/ 700MHz 1.53 78% 2% 75% 0% 0% 0% 51.9°C 1.2V
16:29:43: 700/ 700MHz 1.58 100% 0% 99% 0% 0% 0% 52.5°C 1.2V
16:30:18: 700/ 700MHz 1.54 100% 0% 99% 0% 0% 0% 53.0°C 1.2V
System health while running 7-zip single core benchmark:
Time fake/real load %cpu %sys %usr %nice %io %irq Temp VCore
16:30:58: 700/ 700MHz 1.72 80% 2% 76% 0% 0% 0% 53.0°C 1.2V
16:32:32: 700/ 700MHz 1.29 100% 0% 99% 0% 0% 0% 51.9°C 1.2V
16:34:06: 700/ 700MHz 1.28 100% 2% 97% 0% 0% 0% 53.0°C 1.2V
##########################################################################
Throttling statistics (time spent on each cpufreq OPP):
700 MHz: 1609.74 sec
##########################################################################
dmesg output while running the benchmarks:
[ 445.793743] process 'local/src/tinymembench/tinymembench' started with executable stack
##########################################################################
Linux 5.10.63+ (raspberrypi) 01/18/22 _armv6l_ (1 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
80.02 0.09 2.57 0.36 0.00 16.97
Device tps kB_read/s kB_wrtn/s kB_dscd/s kB_read kB_wrtn kB_dscd
mmcblk0 3.71 69.40 12.64 14149.89 142869 26032 29131088
total used free shared buff/cache available
Mem: 429Mi 34Mi 334Mi 0.0Ki 60Mi 347Mi
Swap: 99Mi 0B 99Mi
Filename Type Size Used Priority
/var/swap file 102396 0 -2
CPU sysfs topology (clusters, cpufreq members, clockspeeds)
cpufreq min max
CPU cluster policy speed speed core type
0 -1 0 700 700 ARM1176 / r0p7
Architecture: armv6l
Byte Order: Little Endian
CPU(s): 1
On-line CPU(s) list: 0
Thread(s) per core: 1
Core(s) per socket: 1
Socket(s): 1
Vendor ID: ARM
Model: 7
Model name: ARM1176
Stepping: r0p7
CPU max MHz: 700.0000
CPU min MHz: 700.0000
BogoMIPS: 697.95
Flags: half thumb fastmult vfp edsp java tls
SoC guess: BCM2835
Compiler: /usr/bin/gcc (Raspbian 10.2.1-6+rpi1/arm-linux-gnueabihf)
Userland: armhf
ThreadX: b8a114e5a9877e91ca8f26d1a5ce904b2ad3cf13 / Oct 29 2021 10:49:08
Kernel: 5.10.63+/armv6l
CONFIG_HZ=100
CONFIG_HZ_100=y
CONFIG_HZ_FIXED=0
CONFIG_PREEMPTIRQ_TRACEPOINTS=y
CONFIG_PREEMPT_VOLUNTARY=y
| Raspberry Pi Model B Rev 2 | 700 MHz | 5.10 | Bullseye armv6l/armhf | 110 | 7900 | 11630 | 360 | 1420 | - |