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4bbv.txt
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sbc-bench v0.9.8 Khadas VIM1S (Fri, 23 Sep 2022 10:43:11 +0800)
Distributor ID: Ubuntu
Description: Ubuntu 22.04.1 LTS
Release: 22.04
Codename: jammy
/usr/bin/gcc (Ubuntu 11.2.0-19ubuntu1) 11.2.0
Uptime: 10:43:11 up 21 min, 3 users, load average: 2.31, 2.43, 2.05, 44.0°C
Linux 5.4.125 (Khadas) 09/23/22 _aarch64_ (4 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
4.07 6.31 2.51 0.25 0.00 86.86
Device tps kB_read/s kB_wrtn/s kB_dscd/s kB_read kB_wrtn kB_dscd
mmcblk0 21.60 687.60 550.18 0.00 895090 716204 0
zram1 0.68 1.15 1.58 0.00 1500 2052 0
zram2 0.60 1.03 1.39 0.00 1340 1808 0
zram3 0.65 1.00 1.58 0.00 1308 2052 0
zram4 0.65 1.04 1.55 0.00 1348 2020 0
total used free shared buff/cache available
Mem: 1.9Gi 789Mi 926Mi 38Mi 272Mi 1.1Gi
Swap: 994Mi 7.0Mi 987Mi
Filename Type Size Used Priority
/dev/zram1 partition 254612 1760 5
/dev/zram2 partition 254612 1920 5
/dev/zram3 partition 254612 2020 5
/dev/zram4 partition 254612 1980 5
##########################################################################
Checking cpufreq OPP (Cortex-A35):
Cpufreq OPP: 2004 Measured: 1994 (1994.844/1994.748/1992.920)
Cpufreq OPP: 1908 Measured: 1892 (1897.296/1891.217/1889.747)
Cpufreq OPP: 1800 Measured: 1791 (1791.356/1790.929/1790.890)
Cpufreq OPP: 1704 Measured: 1694 (1694.536/1694.362/1694.232)
Cpufreq OPP: 1608 Measured: 1598 (1598.617/1598.462/1598.192)
Cpufreq OPP: 1500 Measured: 1490 (1491.473/1491.002/1490.027)
Cpufreq OPP: 1404 Measured: 1394 (1395.811/1393.810/1393.752)
Cpufreq OPP: 1200 Measured: 1190 (1191.565/1191.565/1189.288)
Cpufreq OPP: 1000 Measured: 991 (991.448/991.331/991.122)
Cpufreq OPP: 666 Measured: 659 (662.161/659.757/657.882) (-1.1%)
Cpufreq OPP: 500 Measured: 491 (491.870/491.267/490.544) (-1.8%)
Cpufreq OPP: 250 Measured: 241 (243.660/242.361/239.939) (-3.6%)
Cpufreq OPP: 100 Measured: 91 (91.900/91.726/91.304) (-9.0%)
##########################################################################
Hardware sensors:
soc_thermal-virtual-0
temp1: +42.8 C (crit = +105.0 C)
##########################################################################
Executing benchmark on cpu0 (Cortex-A35):
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 : 1953.5 MB/s (0.8%)
C copy backwards (32 byte blocks) : 1962.0 MB/s (0.5%)
C copy backwards (64 byte blocks) : 1972.1 MB/s (0.3%)
C copy : 1965.5 MB/s (0.6%)
C copy prefetched (32 bytes step) : 2028.3 MB/s
C copy prefetched (64 bytes step) : 2045.8 MB/s (0.6%)
C 2-pass copy : 1670.3 MB/s (0.3%)
C 2-pass copy prefetched (32 bytes step) : 1773.0 MB/s (0.5%)
C 2-pass copy prefetched (64 bytes step) : 1775.6 MB/s (0.4%)
C fill : 7538.3 MB/s (1.3%)
C fill (shuffle within 16 byte blocks) : 7526.2 MB/s (1.1%)
C fill (shuffle within 32 byte blocks) : 7531.2 MB/s (1.2%)
C fill (shuffle within 64 byte blocks) : 7494.8 MB/s (2.6%)
---
standard memcpy : 1968.3 MB/s (0.5%)
standard memset : 7534.1 MB/s (1.1%)
---
NEON LDP/STP copy : 1991.3 MB/s (0.4%)
NEON LDP/STP copy pldl2strm (32 bytes step) : 1349.1 MB/s (0.4%)
NEON LDP/STP copy pldl2strm (64 bytes step) : 1745.9 MB/s (0.5%)
NEON LDP/STP copy pldl1keep (32 bytes step) : 2201.5 MB/s (0.3%)
NEON LDP/STP copy pldl1keep (64 bytes step) : 2203.5 MB/s (0.4%)
NEON LD1/ST1 copy : 1992.9 MB/s (0.3%)
NEON STP fill : 7526.8 MB/s (0.8%)
NEON STNP fill : 6803.3 MB/s (1.5%)
ARM LDP/STP copy : 1963.9 MB/s (0.6%)
ARM STP fill : 7512.5 MB/s (1.1%)
ARM STNP fill : 6797.0 MB/s (0.9%)
==========================================================================
== 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 LDP/STP copy (from framebuffer) : 1974.0 MB/s (0.9%)
NEON LDP/STP 2-pass copy (from framebuffer) : 1747.9 MB/s (0.4%)
NEON LD1/ST1 copy (from framebuffer) : 1972.9 MB/s (0.5%)
NEON LD1/ST1 2-pass copy (from framebuffer) : 1744.5 MB/s (0.7%)
ARM LDP/STP copy (from framebuffer) : 1952.2 MB/s (0.5%)
ARM LDP/STP 2-pass copy (from framebuffer) : 1675.1 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 : 3.4 ns / 5.6 ns
131072 : 5.3 ns / 7.7 ns
262144 : 6.3 ns / 8.7 ns
524288 : 19.0 ns / 32.0 ns
1048576 : 76.1 ns / 115.6 ns
2097152 : 110.6 ns / 147.0 ns
4194304 : 131.0 ns / 161.6 ns
8388608 : 141.4 ns / 168.3 ns
16777216 : 147.1 ns / 172.3 ns
33554432 : 151.0 ns / 174.3 ns
67108864 : 154.4 ns / 178.4 ns
##########################################################################
Executing ramlat on cpu0 (Cortex-A35), results in ns:
size: 1x32 2x32 1x64 2x64 1xPTR 2xPTR 4xPTR 8xPTR
4k: 2.009 2.024 1.513 1.517 1.578 1.560 2.128 4.305
8k: 2.035 2.065 1.514 1.506 1.514 1.514 2.119 4.251
16k: 2.018 2.016 1.510 1.513 1.512 1.511 2.118 4.235
32k: 4.455 5.877 4.137 5.579 4.096 5.619 8.240 14.69
64k: 13.54 13.28 11.87 12.96 11.90 13.10 16.18 30.08
128k: 12.79 13.55 12.70 13.01 12.76 13.04 19.02 38.09
256k: 11.97 12.59 12.49 12.49 12.28 12.53 19.39 42.86
512k: 40.59 49.66 40.78 51.12 40.62 49.07 73.78 145.0
1024k: 132.8 133.8 132.2 139.3 135.0 134.0 177.2 338.4
2048k: 143.6 145.4 144.1 144.1 143.9 146.2 178.4 350.4
4096k: 150.2 151.0 150.8 150.4 150.0 150.7 184.2 353.5
8192k: 151.8 152.2 150.7 152.9 151.3 151.4 183.3 368.1
16384k: 153.9 157.7 154.0 156.7 154.7 156.4 188.6 383.1
##########################################################################
Executing benchmark twice on cluster 0 (Cortex-A35)
OpenSSL 3.0.2, built on 15 Mar 2022 (Library: OpenSSL 3.0.2 15 Mar 2022)
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes 16384 bytes
aes-128-cbc 96320.75k 262308.63k 457047.47k 566719.15k 607786.33k 610708.14k
aes-128-cbc 103412.95k 274564.76k 464815.19k 566913.02k 605416.11k 608616.45k
aes-192-cbc 99533.65k 250917.33k 401951.66k 476599.64k 503712.43k 505708.54k
aes-192-cbc 98623.38k 248611.18k 398639.96k 473709.57k 500741.46k 502770.35k
aes-256-cbc 93766.36k 232253.08k 356786.77k 414765.06k 435238.23k 436300.46k
aes-256-cbc 93483.32k 231071.19k 354735.19k 412967.59k 435238.23k 436791.98k
##########################################################################
Executing benchmark single-threaded on cpu0 (Cortex-A35)
7-Zip (a) [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=C,Utf16=off,HugeFiles=on,64 bits,4 CPUs LE)
LE
CPU Freq: 64000000 64000000 64000000 64000000 128000000 - - - -
RAM size: 1989 MB, # CPU hardware threads: 4
RAM usage: 435 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: 918 98 912 894 | 16661 99 1443 1423
23: 864 98 899 881 | 16365 99 1437 1417
24: 822 98 903 885 | 16041 99 1428 1408
25: 773 98 903 884 | 15673 99 1414 1395
---------------------------------- | ------------------------------
Avr: 98 904 886 | 99 1431 1411
Tot: 98 1167 1148
##########################################################################
Executing benchmark 3 times multi-threaded on CPUs 0-3
7-Zip (a) [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=C,Utf16=off,HugeFiles=on,64 bits,4 CPUs LE)
LE
CPU Freq: - - - - - - - - -
RAM size: 1989 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: 2603 326 777 2533 | 64046 388 1409 5464
23: 2519 333 770 2567 | 63082 389 1403 5458
24: 2478 343 776 2665 | 59870 378 1390 5256
25: 2426 354 782 2770 | 59803 387 1376 5322
---------------------------------- | ------------------------------
Avr: 339 776 2634 | 385 1395 5375
Tot: 362 1086 4004
7-Zip (a) [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=C,Utf16=off,HugeFiles=on,64 bits,4 CPUs LE)
LE
CPU Freq: 64000000 - - - - - - - -
RAM size: 1989 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: 2592 325 776 2522 | 63893 387 1410 5451
23: 2531 335 769 2579 | 62608 386 1402 5417
24: 2511 349 773 2701 | 60336 380 1393 5297
25: 2468 361 782 2818 | 59130 382 1377 5262
---------------------------------- | ------------------------------
Avr: 342 775 2655 | 384 1396 5357
Tot: 363 1085 4006
7-Zip (a) [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=C,Utf16=off,HugeFiles=on,64 bits,4 CPUs LE)
LE
CPU Freq: - - - - - - - - -
RAM size: 1989 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: 2615 328 777 2544 | 64038 388 1410 5463
23: 2545 336 771 2594 | 61560 380 1402 5327
24: 2490 345 776 2678 | 60964 384 1392 5352
25: 2437 357 780 2783 | 58998 381 1378 5251
---------------------------------- | ------------------------------
Avr: 341 776 2650 | 383 1395 5348
Tot: 362 1086 3999
Compression: 2634,2655,2650
Decompression: 5375,5357,5348
Total: 4004,4006,3999
##########################################################################
Testing maximum cpufreq again, still under full load. System health now:
Time CPU load %cpu %sys %usr %nice %io %irq Temp
11:00:58: 2004MHz 6.15 87% 2% 83% 0% 0% 1% 40.5°C
Checking cpufreq OPP (Cortex-A35):
Cpufreq OPP: 2004 Measured: 1994 (1994.507/1994.170/1993.593)
##########################################################################
Hardware sensors:
soc_thermal-virtual-0
temp1: +37.1 C (crit = +105.0 C)
##########################################################################
Thermal source: /sys/devices/virtual/thermal/thermal_zone0/ (soc_thermal)
System health while running tinymembench:
Time CPU load %cpu %sys %usr %nice %io %irq Temp
10:43:58: 2004MHz 2.68 13% 1% 4% 6% 0% 0% 44.6°C
10:44:38: 2004MHz 2.90 26% 0% 25% 0% 0% 0% 46.6°C
10:45:18: 2004MHz 2.95 27% 0% 25% 0% 0% 0% 47.6°C
10:45:58: 2004MHz 3.04 26% 0% 25% 0% 0% 0% 47.5°C
10:46:38: 2004MHz 3.09 27% 0% 25% 0% 0% 0% 48.1°C
10:47:18: 2004MHz 3.05 26% 0% 25% 0% 0% 0% 47.0°C
10:47:58: 2004MHz 3.02 25% 0% 25% 0% 0% 0% 47.0°C
10:48:38: 2004MHz 3.13 25% 0% 24% 0% 0% 0% 47.0°C
10:49:18: 2004MHz 3.06 26% 0% 25% 0% 0% 0% 47.0°C
10:49:58: 2004MHz 3.03 26% 0% 25% 0% 0% 0% 47.2°C
10:50:38: 2004MHz 3.06 26% 0% 25% 0% 0% 0% 46.8°C
10:51:18: 2004MHz 3.03 26% 0% 25% 0% 0% 0% 47.0°C
System health while running ramlat:
Time CPU load %cpu %sys %usr %nice %io %irq Temp
10:51:27: 2004MHz 3.02 16% 1% 9% 4% 0% 0% 48.0°C
10:51:30: 2004MHz 3.02 29% 0% 27% 0% 0% 0% 47.7°C
10:51:33: 2004MHz 3.02 26% 0% 25% 0% 0% 0% 47.9°C
10:51:36: 2004MHz 3.02 26% 0% 25% 0% 0% 0% 48.6°C
10:51:40: 2004MHz 3.02 26% 0% 25% 0% 0% 0% 49.6°C
10:51:43: 2004MHz 3.02 26% 0% 24% 0% 0% 0% 47.3°C
10:51:46: 2004MHz 3.02 27% 1% 25% 0% 0% 0% 47.5°C
10:51:49: 2004MHz 3.02 26% 0% 25% 0% 0% 0% 47.2°C
10:51:52: 2004MHz 3.02 26% 0% 25% 0% 0% 0% 47.3°C
10:51:55: 2004MHz 3.02 26% 0% 25% 0% 0% 0% 47.3°C
System health while running OpenSSL benchmark:
Time CPU load %cpu %sys %usr %nice %io %irq Temp
10:51:55: 2004MHz 3.02 16% 1% 10% 4% 0% 0% 48.0°C
10:52:11: 2004MHz 3.01 26% 0% 25% 0% 0% 0% 46.9°C
10:52:27: 2004MHz 3.13 25% 0% 25% 0% 0% 0% 47.4°C
10:52:43: 2004MHz 3.10 25% 0% 25% 0% 0% 0% 46.9°C
10:52:59: 2004MHz 3.08 26% 0% 25% 0% 0% 0% 47.4°C
10:53:15: 2004MHz 3.06 25% 0% 25% 0% 0% 0% 46.9°C
10:53:31: 2004MHz 3.20 35% 1% 32% 0% 0% 0% 49.0°C
System health while running 7-zip single core benchmark:
Time CPU load %cpu %sys %usr %nice %io %irq Temp
10:53:43: 2004MHz 3.31 17% 1% 11% 4% 0% 0% 47.1°C
10:53:53: 2004MHz 3.27 26% 0% 24% 0% 0% 0% 45.5°C
10:54:03: 2004MHz 3.30 26% 0% 25% 0% 0% 0% 44.2°C
10:54:13: 2004MHz 3.26 25% 0% 24% 0% 0% 0% 43.3°C
10:54:23: 2004MHz 3.22 26% 0% 24% 0% 0% 0% 42.4°C
10:54:33: 2004MHz 3.18 26% 0% 24% 0% 0% 0% 41.9°C
10:54:44: 2004MHz 3.16 26% 0% 24% 0% 0% 0% 41.2°C
10:54:54: 2004MHz 3.13 26% 0% 24% 0% 0% 0% 40.9°C
10:55:04: 2004MHz 3.11 26% 0% 25% 0% 0% 0% 40.6°C
10:55:14: 2004MHz 3.17 26% 0% 24% 0% 0% 0% 40.1°C
10:55:24: 2004MHz 3.15 26% 0% 24% 0% 0% 0% 39.8°C
10:55:34: 2004MHz 3.12 26% 0% 24% 0% 0% 0% 39.2°C
10:55:44: 2004MHz 3.10 26% 0% 24% 0% 0% 0% 38.9°C
10:55:54: 2004MHz 3.09 25% 0% 24% 0% 0% 0% 38.6°C
System health while running 7-zip multi core benchmark:
Time CPU load %cpu %sys %usr %nice %io %irq Temp
10:55:56: 2004MHz 3.09 18% 1% 11% 3% 0% 0% 39.1°C
10:56:18: 2004MHz 4.20 92% 0% 90% 0% 0% 1% 41.5°C
10:56:39: 2004MHz 4.71 90% 1% 88% 0% 0% 1% 40.8°C
10:57:01: 2004MHz 5.01 93% 1% 90% 0% 0% 1% 41.3°C
10:57:23: 2004MHz 5.28 86% 2% 82% 0% 0% 1% 41.3°C
10:57:44: 2004MHz 5.48 96% 3% 91% 0% 0% 1% 40.8°C
10:58:05: 2004MHz 5.70 92% 0% 90% 0% 0% 1% 39.9°C
10:58:26: 2004MHz 5.59 90% 1% 88% 0% 0% 1% 40.0°C
10:58:49: 2004MHz 5.73 94% 1% 91% 0% 0% 1% 40.6°C
10:59:10: 2004MHz 5.61 86% 2% 83% 0% 0% 1% 40.7°C
10:59:31: 2004MHz 5.92 95% 2% 92% 0% 0% 1% 40.2°C
10:59:52: 2004MHz 5.61 91% 0% 89% 0% 0% 1% 40.1°C
11:00:13: 2004MHz 5.48 90% 1% 88% 0% 0% 1% 40.0°C
11:00:36: 2004MHz 5.77 94% 1% 91% 0% 0% 1% 40.3°C
11:00:58: 2004MHz 6.15 87% 2% 83% 0% 0% 1% 40.5°C
##########################################################################
dmesg output while running the benchmarks:
[ 1596.981707] [drm] am_meson_crtc_atomic_flush color_mgmt_changed!
[ 1596.981733] [drm] am_meson_crtc_atomic_flush Set GAMMA
[ 2295.831101] [drm] am_meson_crtc_atomic_flush color_mgmt_changed!
[ 2295.831128] [drm] am_meson_crtc_atomic_flush Set GAMMA
##########################################################################
Linux 5.4.125 (Khadas) 09/23/22 _aarch64_ (4 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
22.33 3.44 2.15 0.14 0.00 71.93
Device tps kB_read/s kB_wrtn/s kB_dscd/s kB_read kB_wrtn kB_dscd
mmcblk0 12.23 387.29 299.95 0.00 925730 716968 0
zram1 1.10 0.98 3.43 0.00 2336 8196 0
zram2 1.05 0.90 3.29 0.00 2152 7856 0
zram3 1.10 1.01 3.38 0.00 2424 8084 0
zram4 1.08 0.99 3.32 0.00 2372 7940 0
total used free shared buff/cache available
Mem: 1.9Gi 805Mi 913Mi 40Mi 270Mi 1.1Gi
Swap: 994Mi 21Mi 972Mi
Filename Type Size Used Priority
/dev/zram1 partition 254612 5552 5
/dev/zram2 partition 254612 5596 5
/dev/zram3 partition 254612 5552 5
/dev/zram4 partition 254612 5572 5
CPU sysfs topology (clusters, cpufreq members, clockspeeds)
cpufreq min max
CPU cluster policy speed speed core type
0 0 0 100 2004 Cortex-A35 / r1p0
1 0 0 100 2004 Cortex-A35 / r1p0
2 0 0 100 2004 Cortex-A35 / r1p0
3 0 0 100 2004 Cortex-A35 / r1p0
Architecture: aarch64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Vendor ID: ARM
Model name: Cortex-A35
Model: 0
Thread(s) per core: 1
Core(s) per cluster: 4
Socket(s): -
Cluster(s): 1
Stepping: r1p0
CPU max MHz: 2004.0000
CPU min MHz: 100.0000
BogoMIPS: 48.00
Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
Vulnerability Itlb multihit: Not affected
Vulnerability L1tf: Not affected
Vulnerability Mds: Not affected
Vulnerability Meltdown: Not affected
Vulnerability Spec store bypass: Not affected
Vulnerability Spectre v1: Mitigation; __user pointer sanitization
Vulnerability Spectre v2: Not affected
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
SoC guess: Amlogic S805X2/S905Y4/S905W2
DT compat: amlogic, s4
Compiler: /usr/bin/gcc (Ubuntu 11.2.0-19ubuntu1) 11.2.0 / aarch64-linux-gnu
Userland: arm64
Kernel: 5.4.125/aarch64
CONFIG_HZ=250
CONFIG_HZ_250=y
CONFIG_PREEMPTION=y
CONFIG_PREEMPT=y
CONFIG_PREEMPT_COUNT=y
CONFIG_PREEMPT_RCU=y
raid6: neonx8 gen() 1301 MB/s
raid6: neonx8 xor() 1179 MB/s
raid6: neonx4 gen() 1279 MB/s
raid6: neonx4 xor() 1144 MB/s
raid6: neonx2 gen() 1030 MB/s
raid6: neonx2 xor() 985 MB/s
raid6: neonx1 gen() 741 MB/s
raid6: neonx1 xor() 777 MB/s
raid6: int64x8 gen() 887 MB/s
raid6: int64x8 xor() 552 MB/s
raid6: int64x4 gen() 832 MB/s
raid6: int64x4 xor() 539 MB/s
raid6: int64x2 gen() 646 MB/s
raid6: int64x2 xor() 467 MB/s
raid6: int64x1 gen() 462 MB/s
raid6: int64x1 xor() 386 MB/s
raid6: using algorithm neonx8 gen() 1301 MB/s
raid6: .... xor() 1179 MB/s, rmw enabled
raid6: using neon recovery algorithm
xor: measuring software checksum speed
xor: using function: arm64_neon (2598.000 MB/sec)
| Khadas VIM1S | 2004 MHz | 5.4 | Ubuntu 22.04.1 LTS arm64 | 4000 | 99870 | 436540 | 1970 | 7530 | - |