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1isD.txt
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Distributor ID: Raspbian
Description: Raspbian GNU/Linux 9.4 (stretch)
Release: 9.4
Codename: stretch
Architecture: armhf
Linux raspberrypi 4.14.50-v7+ #1122 SMP Tue Jun 19 12:26:26 BST 2018 armv7l GNU/Linux
17:26:47 up 1:39, 1 user, load average: 0.15, 0.60, 1.08
Linux 4.14.50-v7+ (raspberrypi) 26/07/18 _armv7l_ (4 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
17.13 0.03 0.70 0.58 0.00 81.55
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
mmcblk0 5.97 178.21 60.09 1068191 360189
total used free shared buff/cache available
Mem: 927M 72M 597M 1.3M 257M 803M
Swap: 99M 61M 38M
Filename Type Size Used Priority
/var/swap file 102396 62548 -2
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 : 1094.3 MB/s (0.5%)
C copy backwards (32 byte blocks) : 1094.2 MB/s (0.3%)
C copy backwards (64 byte blocks) : 1099.0 MB/s (0.4%)
C copy : 1106.8 MB/s (0.8%)
C copy prefetched (32 bytes step) : 1062.1 MB/s (0.2%)
C copy prefetched (64 bytes step) : 1061.5 MB/s (1.2%)
C 2-pass copy : 948.2 MB/s
C 2-pass copy prefetched (32 bytes step) : 966.8 MB/s (0.1%)
C 2-pass copy prefetched (64 bytes step) : 967.4 MB/s (0.1%)
C fill : 1601.0 MB/s (0.2%)
C fill (shuffle within 16 byte blocks) : 1600.3 MB/s
C fill (shuffle within 32 byte blocks) : 1598.7 MB/s
C fill (shuffle within 64 byte blocks) : 1601.3 MB/s (0.1%)
---
standard memcpy : 1118.0 MB/s (0.8%)
standard memset : 1602.0 MB/s (0.2%)
---
NEON read : 2068.2 MB/s (1.7%)
NEON read prefetched (32 bytes step) : 2350.7 MB/s (0.1%)
NEON read prefetched (64 bytes step) : 2349.0 MB/s (0.1%)
NEON read 2 data streams : 1869.4 MB/s
NEON read 2 data streams prefetched (32 bytes step) : 1939.6 MB/s (0.2%)
NEON read 2 data streams prefetched (64 bytes step) : 1938.4 MB/s (0.2%)
NEON copy : 1091.4 MB/s (0.4%)
NEON copy prefetched (32 bytes step) : 1121.8 MB/s (0.9%)
NEON copy prefetched (64 bytes step) : 1120.9 MB/s
NEON unrolled copy : 1108.2 MB/s (1.0%)
NEON unrolled copy prefetched (32 bytes step) : 1122.1 MB/s
NEON unrolled copy prefetched (64 bytes step) : 1122.3 MB/s
NEON copy backwards : 1088.8 MB/s (0.5%)
NEON copy backwards prefetched (32 bytes step) : 1103.7 MB/s
NEON copy backwards prefetched (64 bytes step) : 1103.3 MB/s (0.1%)
NEON 2-pass copy : 960.6 MB/s
NEON 2-pass copy prefetched (32 bytes step) : 992.6 MB/s
NEON 2-pass copy prefetched (64 bytes step) : 993.0 MB/s
NEON unrolled 2-pass copy : 948.1 MB/s (0.6%)
NEON unrolled 2-pass copy prefetched (32 bytes step) : 954.5 MB/s
NEON unrolled 2-pass copy prefetched (64 bytes step) : 968.7 MB/s
NEON fill : 1602.3 MB/s (0.2%)
NEON fill backwards : 1596.9 MB/s
VFP copy : 1108.5 MB/s (1.1%)
VFP 2-pass copy : 945.8 MB/s
ARM fill (STRD) : 1600.2 MB/s (0.2%)
ARM fill (STM with 8 registers) : 1602.2 MB/s (0.2%)
ARM fill (STM with 4 registers) : 1601.5 MB/s (0.2%)
ARM copy prefetched (incr pld) : 1120.1 MB/s
ARM copy prefetched (wrap pld) : 1113.7 MB/s
ARM 2-pass copy prefetched (incr pld) : 974.2 MB/s
ARM 2-pass copy prefetched (wrap pld) : 965.0 MB/s (0.6%)
==========================================================================
== 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) : 64.8 MB/s (0.2%)
NEON copy (from framebuffer) : 62.8 MB/s
NEON 2-pass copy (from framebuffer) : 62.6 MB/s (0.3%)
NEON unrolled copy (from framebuffer) : 64.1 MB/s
NEON 2-pass unrolled copy (from framebuffer) : 62.3 MB/s
VFP copy (from framebuffer) : 406.1 MB/s
VFP 2-pass copy (from framebuffer) : 352.4 MB/s (0.2%)
ARM copy (from framebuffer) : 204.5 MB/s (0.1%)
ARM 2-pass copy (from framebuffer) : 208.6 MB/s (0.1%)
==========================================================================
== 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 : 4.6 ns / 7.8 ns
131072 : 7.1 ns / 11.2 ns
262144 : 8.3 ns / 12.7 ns
524288 : 12.1 ns / 18.4 ns
1048576 : 86.4 ns / 135.6 ns
2097152 : 125.8 ns / 175.7 ns
4194304 : 150.6 ns / 195.6 ns
8388608 : 163.9 ns / 204.8 ns
16777216 : 171.6 ns / 210.2 ns
33554432 : 176.7 ns / 214.4 ns
67108864 : 179.5 ns / 216.6 ns
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: 1238 1287 1367 1367 1373 1350 1371 1368 1369
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: 680 100 662 662 | 16771 100 1431 1431
23: 662 100 676 675 | 16389 100 1418 1418
24: 645 100 694 694 | 15971 100 1402 1402
25: 624 100 713 713 | 15419 100 1373 1372
---------------------------------- | ------------------------------
Avr: 100 686 686 | 100 1406 1406
Tot: 100 1046 1046
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: 1396 1398 1399 1399 1399 1399 1398 1399 1399
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: 1976 324 593 1923 | 64270 389 1409 5483
23: 1907 322 603 1944 | 62719 391 1389 5427
24: 1873 330 611 2014 | 60904 390 1371 5347
25: 1842 340 619 2104 | 58319 386 1345 5190
---------------------------------- | ------------------------------
Avr: 329 606 1996 | 389 1379 5362
Tot: 359 993 3679
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: 1398 1397 1399 1396 1399 1399 1399 1399 1399
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: 1885 309 593 1834 | 64407 390 1408 5495
23: 1979 334 604 2017 | 62637 390 1388 5420
24: 1946 343 611 2093 | 60888 390 1370 5345
25: 1848 340 620 2111 | 58332 386 1343 5191
---------------------------------- | ------------------------------
Avr: 332 607 2014 | 389 1377 5363
Tot: 360 992 3688
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: 1398 1396 1399 1397 1397 1398 1399 1398 1393
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: 1912 314 592 1861 | 63659 388 1401 5431
23: 1916 327 597 1952 | 62622 390 1389 5418
24: 1876 331 610 2018 | 60937 390 1371 5349
25: 1831 339 618 2092 | 58280 386 1345 5187
---------------------------------- | ------------------------------
Avr: 328 604 1981 | 388 1376 5346
Tot: 358 990 3664
Compression: 1996,2014,1981
Decompression: 5362,5363,5346
Total: 3679,3688,3664
OpenSSL 1.1.0f 25 May 2017
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes 16384 bytes
aes-128-cbc 35784.11k 49220.80k 54720.68k 56134.66k 56762.37k 56743.25k
aes-128-cbc 35793.85k 49224.23k 54575.62k 56282.45k 56593.07k 56126.12k
aes-192-cbc 32321.16k 42575.59k 46777.77k 47921.15k 48136.19k 48272.73k
aes-192-cbc 31702.10k 41894.19k 45742.25k 47027.20k 47450.79k 47278.76k
aes-256-cbc 29770.44k 38307.78k 41393.66k 42231.13k 42541.06k 42543.79k
aes-256-cbc 29651.79k 38292.31k 41560.66k 42340.69k 42732.20k 42729.47k
Monitoring data for each run:
System health while running tinymembench:
Time fake/real load %cpu %sys %usr %nice %io %irq CPU VCore
17:26:48: 1400/1400MHz 0.15 18% 0% 17% 0% 0% 0% 50.5°C 1.3250V
17:27:48: 1400/1400MHz 0.62 21% 0% 21% 0% 0% 0% 50.5°C 1.3250V
17:28:48: 1400/1400MHz 0.86 25% 0% 25% 0% 0% 0% 49.4°C 1.3250V
17:29:48: 1400/1400MHz 0.95 25% 0% 25% 0% 0% 0% 48.3°C 1.3250V
17:30:48: 1400/1400MHz 0.98 25% 0% 25% 0% 0% 0% 47.8°C 1.3250V
17:31:48: 1400/1400MHz 1.00 25% 0% 25% 0% 0% 0% 46.2°C 1.3250V
17:32:48: 1400/1400MHz 1.00 25% 0% 25% 0% 0% 0% 46.2°C 1.3250V
17:33:48: 1400/1400MHz 1.00 25% 0% 25% 0% 0% 0% 46.2°C 1.3250V
17:34:48: 1400/1400MHz 1.00 25% 0% 25% 0% 0% 0% 45.6°C 1.3250V
17:35:49: 1400/1400MHz 1.00 25% 0% 25% 0% 0% 0% 45.6°C 1.3250V
System health while running 7-zip single core benchmark:
Time fake/real load %cpu %sys %usr %nice %io %irq CPU VCore
17:36:18: 1400/1400MHz 1.00 19% 0% 17% 0% 0% 0% 45.6°C 1.3250V
17:36:33: 1400/1400MHz 1.51 25% 0% 24% 0% 0% 0% 46.2°C 1.3250V
17:36:48: 1400/1400MHz 2.06 25% 0% 25% 0% 0% 0% 46.2°C 1.3250V
17:37:03: 1400/1400MHz 2.20 26% 0% 25% 0% 0% 0% 46.7°C 1.3250V
17:37:18: 1400/1400MHz 2.60 25% 0% 24% 0% 0% 0% 46.2°C 1.3250V
17:37:33: 1400/1400MHz 2.83 25% 0% 24% 0% 0% 0% 46.2°C 1.3250V
17:37:48: 1400/1400MHz 2.86 25% 0% 24% 0% 0% 0% 46.2°C 1.3250V
17:38:04: 1400/1400MHz 2.75 25% 0% 24% 0% 0% 0% 46.7°C 1.3250V
17:38:19: 1400/1400MHz 2.66 25% 0% 24% 0% 0% 0% 46.2°C 1.3250V
17:38:34: 1400/1400MHz 2.72 25% 0% 24% 0% 0% 0% 46.7°C 1.3250V
17:38:49: 1400/1400MHz 2.64 25% 0% 24% 0% 0% 0% 46.2°C 1.3250V
17:39:04: 1400/1400MHz 2.57 25% 0% 24% 0% 0% 0% 46.2°C 1.3250V
17:39:19: 1400/1400MHz 2.52 25% 0% 24% 0% 0% 0% 46.2°C 1.3250V
17:39:34: 1400/1400MHz 2.56 25% 0% 24% 0% 0% 0% 46.7°C 1.3250V
17:39:49: 1400/1400MHz 2.59 25% 0% 24% 0% 0% 0% 46.2°C 1.3250V
17:40:04: 1400/1400MHz 2.46 25% 0% 24% 0% 0% 0% 46.2°C 1.3250V
17:40:20: 1400/1400MHz 2.57 25% 1% 24% 0% 0% 0% 46.2°C 1.3250V
System health while running 7-zip multi core benchmark:
Time fake/real load %cpu %sys %usr %nice %io %irq CPU VCore
17:40:27: 1400/1400MHz 2.68 19% 0% 18% 0% 0% 0% 46.7°C 1.3250V
17:41:12: 1400/1400MHz 2.64 61% 0% 60% 0% 0% 0% 51.5°C 1.3250V
17:41:57: 1400/1400MHz 3.09 85% 1% 84% 0% 0% 0% 52.6°C 1.3250V
17:42:42: 1400/1400MHz 3.41 80% 1% 79% 0% 0% 0% 53.7°C 1.3250V
17:43:27: 1400/1400MHz 3.39 81% 1% 80% 0% 0% 0% 51.5°C 1.3250V
17:44:13: 1400/1400MHz 3.41 81% 1% 80% 0% 0% 0% 53.7°C 1.3250V
System health while running OpenSSL benchmark:
Time fake/real load %cpu %sys %usr %nice %io %irq CPU VCore
17:44:50: 1400/1400MHz 3.52 21% 0% 20% 0% 0% 0% 54.2°C 1.3250V
17:45:00: 1400/1400MHz 2.98 1% 0% 0% 0% 0% 0% 48.9°C 1.3250V
17:45:10: 1400/1400MHz 2.67 25% 0% 25% 0% 0% 0% 49.4°C 1.3250V
17:45:20: 1400/1400MHz 2.56 25% 0% 25% 0% 0% 0% 49.4°C 1.3250V
17:45:31: 1400/1400MHz 2.32 25% 0% 25% 0% 0% 0% 48.9°C 1.3250V
17:45:41: 1400/1400MHz 2.12 25% 0% 25% 0% 0% 0% 48.9°C 1.3250V
17:45:51: 1400/1400MHz 1.94 25% 0% 25% 0% 0% 0% 48.3°C 1.3250V
17:46:01: 1400/1400MHz 1.80 25% 0% 25% 0% 0% 0% 48.3°C 1.3250V
17:46:11: 1400/1400MHz 1.68 25% 0% 25% 0% 0% 0% 48.3°C 1.3250V
17:46:21: 1400/1400MHz 1.57 25% 0% 25% 0% 0% 0% 48.3°C 1.3250V
17:46:31: 1400/1400MHz 1.48 25% 0% 25% 0% 0% 0% 47.8°C 1.3250V
17:46:41: 1400/1400MHz 1.41 25% 0% 25% 0% 0% 0% 47.8°C 1.3250V
Linux 4.14.50-v7+ (raspberrypi) 26/07/18 _armv7l_ (4 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
20.34 0.03 0.67 0.49 0.00 78.46
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
mmcblk0 5.14 151.52 50.53 1090219 363585
total used free shared buff/cache available
Mem: 927M 69M 813M 1.3M 43M 810M
Swap: 99M 61M 38M
Filename Type Size Used Priority
/var/swap file 102396 62804 -2
/boot/config.txt:
disable_overscan=1
dtparam=audio=on