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sbc-bench v0.9.72 StarFive VisionFive 2 Lite (Sun, 23 Nov 2025 04:37:20 +0000)
Distributor ID: Ubuntu
Description: Ubuntu 24.04.3 LTS
Release: 24.04
Codename: noble
/usr/bin/gcc (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0
Uptime: 04:37:21 up 9:37, 1 user, load average: 0.11, 0.75, 1.13, 43.1°C, 413314555
Linux 6.12.5-starfive (starfive) 11/23/25 _riscv64_ (4 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
15.67 0.01 0.76 0.30 0.00 83.25
Device tps kB_read/s kB_wrtn/s kB_dscd/s kB_read kB_wrtn kB_dscd
mmcblk0 1.90 47.07 8.17 0.00 1630211 282814 0
sda 0.01 0.17 0.01 0.00 5968 212 0
total used free shared buff/cache available
Mem: 7.7Gi 227Mi 7.5Gi 3.2Mi 75Mi 7.5Gi
Swap: 0B 0B 0B
##########################################################################
Checking cpufreq OPP (sifive,u74-mc):
Cpufreq OPP: 1250 Measured: 1247 (1247.692/1247.567/1247.567)
Cpufreq OPP: 625 Measured: 622 (622.440/622.440/622.324)
Cpufreq OPP: 417 Measured: 310 (310.178/310.158/310.154) (-25.7%)
Cpufreq OPP: 312 Measured: 310 (310.185/310.166/310.143)
##########################################################################
Hardware sensors:
sfctemp-isa-0000
temp1: +41.4 C
##########################################################################
Executing benchmark on cpu0 (sifive,u74-mc):
tinymembench v0.4.9-nuumio (simple benchmark for memory throughput and latency)
CFLAGS: -march=rv64imafdc_zicntr_zicsr_zifencei_zihpm_zca_zcd_zba_zbb -mcpu=sifive-u74 -mtune=sifive-7-series -mabi=lp64d -O3 -pipe
bandwidth test min repeats (-b): 2
bandwidth test max repeats (-B): 3
bandwidth test mem realloc (-M): no (-m for realloc)
latency test repeats (-l): 3
latency test count (-c): 1000000
==========================================================================
== Memory bandwidth tests ==
== ==
== Note 1: 1MB = 1000000 bytes ==
== Note 2: Test result is the best of repeated runs. Number of repeats ==
== is shown in brackets ==
== Note 3: 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 4: 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 5: If sample standard deviation exceeds 0.1%, it is shown in ==
== brackets ==
==========================================================================
C copy backwards : 715.5 MB/s (3, 2.3%)
C copy backwards (32 byte blocks) : 715.4 MB/s (3, 1.0%)
C copy backwards (64 byte blocks) : 715.6 MB/s (2)
C copy : 723.8 MB/s (3, 1.2%)
C copy prefetched (32 bytes step) : 724.1 MB/s (2)
C copy prefetched (64 bytes step) : 723.5 MB/s (3, 0.2%)
C 2-pass copy : 619.3 MB/s (2)
C 2-pass copy prefetched (32 bytes step) : 619.5 MB/s (2)
C 2-pass copy prefetched (64 bytes step) : 619.4 MB/s (2)
C scan 8 : 239.2 MB/s (2)
C scan 16 : 460.8 MB/s (2)
C scan 32 : 703.4 MB/s (3, 0.5%)
C scan 64 : 1094.6 MB/s (3, 2.2%)
C fill : 819.5 MB/s (2)
C fill (shuffle within 16 byte blocks) : 819.2 MB/s (2)
C fill (shuffle within 32 byte blocks) : 826.5 MB/s (3, 0.4%)
C fill (shuffle within 64 byte blocks) : 858.3 MB/s (3, 2.6%)
---
libc memcpy copy : 788.2 MB/s (2)
libc memchr scan : 1156.7 MB/s (3)
libc memset fill : 820.0 MB/s (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 : 0.0 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 : 0.1 ns / 0.0 ns
65536 : 6.8 ns / 12.9 ns
131072 : 10.4 ns / 19.3 ns
262144 : 12.4 ns / 22.5 ns
524288 : 19.0 ns / 34.7 ns
1048576 : 22.3 ns / 37.3 ns
2097152 : 42.7 ns / 68.8 ns
4194304 : 93.8 ns / 181.0 ns
8388608 : 132.0 ns / 260.8 ns
16777216 : 154.4 ns / 306.7 ns
33554432 : 169.0 ns / 336.0 ns
67108864 : 179.5 ns / 358.1 ns
##########################################################################
Executing ramlat on cpu0 (sifive,u74-mc), results in ns:
size: 1x32 2x32 1x64 2x64 1xPTR 2xPTR 4xPTR 8xPTR
4k: 3.322 3.447 3.221 3.316 2.406 2.407 3.307 6.715
8k: 3.308 3.409 3.207 3.307 2.408 2.405 3.309 6.717
16k: 3.307 3.419 3.208 3.310 2.406 2.406 3.310 6.736
32k: 3.314 3.413 3.210 3.313 2.408 2.410 3.311 6.726
64k: 16.24 29.06 16.07 28.89 16.05 28.87 57.87 115.8
128k: 16.15 29.07 16.07 28.88 16.04 28.88 58.43 115.8
256k: 16.15 29.11 16.04 28.87 16.05 28.89 57.85 115.9
512k: 24.16 35.73 24.02 37.56 22.46 35.30 64.29 122.2
1024k: 24.45 35.90 24.17 35.74 22.59 35.48 64.70 123.2
2048k: 67.36 97.17 60.17 94.39 53.40 94.37 173.3 327.7
4096k: 136.2 239.3 137.3 250.6 135.9 238.5 438.6 832.6
8192k: 166.7 285.2 166.4 287.5 164.8 282.6 518.1 991.1
16384k: 168.9 291.0 168.8 288.3 167.6 286.8 527.4 1016
32768k: 182.0 304.1 183.2 303.5 182.6 301.9 547.0 1029
65536k: 184.1 305.6 185.6 309.7 183.6 304.8 548.2 1035
131072k: 188.9 309.3 185.5 309.0 185.5 312.5 553.7 1045
##########################################################################
Executing benchmark twice on cluster 0 (sifive,u74-mc)
OpenSSL 3.0.13, built on 30 Jan 2024 (Library: OpenSSL 3.0.13 30 Jan 2024)
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes 16384 bytes
aes-128-cbc 18359.77k 23202.94k 24889.51k 25355.26k 25493.50k 25477.12k
aes-128-cbc 18406.17k 23215.49k 24895.06k 25319.77k 25482.58k 25373.35k
aes-192-cbc 16650.53k 20598.04k 21934.34k 22296.58k 22402.39k 22402.39k
aes-192-cbc 16719.16k 20582.66k 21924.95k 22280.87k 22391.47k 22369.62k
aes-256-cbc 15371.30k 18554.41k 19612.84k 19896.66k 19983.02k 19972.10k
aes-256-cbc 15320.35k 18539.22k 19544.66k 19896.32k 19980.29k 19972.10k
##########################################################################
Executing benchmark single-threaded on cpu0 (sifive,u74-mc)
7-Zip (a) 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 128000000 256000000 512000000 1024000000 2048000000
RAM size: 7890 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: 843 100 821 821 | 14167 100 1210 1210
23: 804 100 820 820 | 13904 100 1205 1204
24: 778 100 838 838 | 13643 100 1198 1198
25: 748 100 856 854 | 13302 100 1186 1184
---------------------------------- | ------------------------------
Avr: 100 834 833 | 100 1200 1199
Tot: 100 1017 1016
##########################################################################
Executing benchmark 3 times multi-threaded on CPUs 0-3
7-Zip (a) 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 - 512000000 1024000000 -
RAM size: 7890 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: 2373 324 712 2309 | 54912 397 1180 4685
23: 2317 333 709 2361 | 53947 398 1174 4668
24: 2286 341 720 2459 | 52804 398 1165 4636
25: 2241 350 732 2559 | 51445 398 1151 4578
---------------------------------- | ------------------------------
Avr: 337 719 2422 | 398 1167 4642
Tot: 367 943 3532
7-Zip (a) 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 256000000 - - -
RAM size: 7890 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: 2364 322 713 2300 | 55007 397 1181 4693
23: 2313 332 710 2357 | 53883 397 1173 4662
24: 2272 340 720 2444 | 52755 398 1165 4631
25: 2234 349 732 2552 | 51422 398 1151 4576
---------------------------------- | ------------------------------
Avr: 336 719 2413 | 397 1168 4641
Tot: 367 943 3527
7-Zip (a) 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 - - - - 256000000 512000000 - -
RAM size: 7890 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: 2377 323 716 2313 | 55149 398 1182 4705
23: 2325 333 711 2369 | 53812 397 1174 4656
24: 2282 341 720 2455 | 52713 397 1164 4627
25: 2250 350 734 2570 | 51444 397 1152 4578
---------------------------------- | ------------------------------
Avr: 337 720 2427 | 397 1168 4642
Tot: 367 944 3534
Compression: 2422,2413,2427
Decompression: 4642,4641,4642
Total: 3532,3527,3534
##########################################################################
Testing maximum cpufreq again, still under full load. System health now:
Time CPU load %cpu %sys %usr %nice %io %irq Temp
04:49:30: 1250MHz 3.89 94% 1% 93% 0% 0% 0% 50.7°C
Checking cpufreq OPP (sifive,u74-mc):
Cpufreq OPP: 1250 Measured: 1246 (1246.417/1246.370/1246.323)
##########################################################################
Hardware sensors:
sfctemp-isa-0000
temp1: +49.1 C
##########################################################################
Thermal source: /sys/devices/virtual/thermal/thermal_zone0/ (cpu-thermal)
System health while running tinymembench:
Time CPU load %cpu %sys %usr %nice %io %irq Temp
04:37:42: 1250MHz 0.36 16% 0% 15% 0% 0% 0% 42.6°C
04:37:53: 1250MHz 0.46 25% 0% 25% 0% 0% 0% 43.9°C
04:38:03: 1250MHz 0.54 25% 0% 25% 0% 0% 0% 44.0°C
04:38:13: 1250MHz 0.61 25% 0% 25% 0% 0% 0% 44.2°C
04:38:23: 1250MHz 0.67 25% 0% 24% 0% 0% 0% 44.1°C
System health while running ramlat:
Time CPU load %cpu %sys %usr %nice %io %irq Temp
04:38:31: 1250MHz 0.72 16% 0% 15% 0% 0% 0% 44.1°C
04:38:34: 1250MHz 0.72 25% 0% 25% 0% 0% 0% 43.9°C
04:38:37: 1250MHz 0.75 25% 0% 25% 0% 0% 0% 43.9°C
04:38:40: 1250MHz 0.77 25% 0% 25% 0% 0% 0% 44.0°C
04:38:43: 1250MHz 0.77 25% 0% 24% 0% 0% 0% 44.0°C
04:38:46: 1250MHz 0.79 25% 0% 24% 0% 0% 0% 44.1°C
04:38:49: 1250MHz 0.80 25% 0% 24% 0% 0% 0% 44.0°C
04:38:52: 1250MHz 0.80 25% 0% 24% 0% 0% 0% 43.9°C
04:38:55: 1250MHz 0.82 25% 0% 24% 0% 0% 0% 43.9°C
04:38:58: 1250MHz 0.82 25% 0% 25% 0% 0% 0% 43.9°C
04:39:01: 1250MHz 0.83 25% 0% 24% 0% 0% 0% 43.9°C
04:39:05: 1250MHz 0.85 25% 0% 24% 0% 0% 0% 43.9°C
04:39:08: 1250MHz 0.85 25% 0% 25% 0% 0% 0% 44.0°C
04:39:11: 1250MHz 0.86 25% 0% 24% 0% 0% 0% 44.1°C
System health while running OpenSSL benchmark:
Time CPU load %cpu %sys %usr %nice %io %irq Temp
04:39:14: 1250MHz 0.86 16% 0% 15% 0% 0% 0% 44.3°C
04:39:30: 1250MHz 0.90 25% 0% 25% 0% 0% 0% 44.2°C
04:39:46: 1250MHz 0.92 25% 0% 25% 0% 0% 0% 44.3°C
04:40:02: 1250MHz 0.94 25% 0% 24% 0% 0% 0% 44.3°C
04:40:18: 1250MHz 0.95 25% 0% 25% 0% 0% 0% 44.3°C
04:40:34: 1250MHz 0.97 25% 0% 24% 0% 0% 0% 44.3°C
04:40:51: 1250MHz 0.98 25% 0% 24% 0% 0% 0% 44.4°C
System health while running 7-zip single core benchmark:
Time CPU load %cpu %sys %usr %nice %io %irq Temp
04:41:02: 1250MHz 0.98 16% 0% 15% 0% 0% 0% 44.6°C
04:41:14: 1250MHz 0.98 25% 0% 24% 0% 0% 0% 44.3°C
04:41:26: 1250MHz 0.99 25% 0% 25% 0% 0% 0% 44.4°C
04:41:38: 1250MHz 0.99 25% 0% 24% 0% 0% 0% 44.4°C
04:41:51: 1250MHz 0.99 25% 0% 24% 0% 0% 0% 44.4°C
04:42:03: 1250MHz 0.99 25% 0% 24% 0% 0% 0% 44.4°C
04:42:15: 1250MHz 1.00 25% 0% 24% 0% 0% 0% 44.5°C
04:42:27: 1250MHz 1.00 25% 0% 24% 0% 0% 0% 44.5°C
04:42:39: 1250MHz 1.00 25% 0% 24% 0% 0% 0% 44.5°C
04:42:51: 1250MHz 1.00 25% 0% 24% 0% 0% 0% 44.6°C
04:43:03: 1250MHz 1.00 25% 0% 24% 0% 0% 0% 44.6°C
04:43:15: 1250MHz 1.00 25% 0% 24% 0% 0% 0% 44.7°C
04:43:27: 1250MHz 1.00 25% 0% 24% 0% 0% 0% 44.7°C
System health while running 7-zip multi core benchmark:
Time CPU load %cpu %sys %usr %nice %io %irq Temp
04:43:31: 1250MHz 1.00 16% 0% 15% 0% 0% 0% 44.9°C
04:43:57: 1250MHz 2.15 89% 0% 88% 0% 0% 0% 47.4°C
04:44:22: 1250MHz 2.48 90% 1% 89% 0% 0% 0% 47.6°C
04:44:48: 1250MHz 3.08 93% 0% 92% 0% 0% 0% 48.5°C
04:45:13: 1250MHz 3.74 83% 2% 81% 0% 0% 0% 48.6°C
04:45:38: 1250MHz 4.17 91% 1% 89% 0% 0% 0% 48.8°C
04:46:04: 1250MHz 4.11 91% 0% 90% 0% 0% 0% 49.3°C
04:46:29: 1250MHz 3.85 90% 1% 89% 0% 0% 0% 49.4°C
04:46:54: 1250MHz 3.88 89% 1% 87% 0% 0% 0% 49.4°C
04:47:20: 1250MHz 4.03 89% 2% 86% 0% 0% 0% 49.4°C
04:47:46: 1250MHz 4.24 89% 0% 88% 0% 0% 0% 49.9°C
04:48:13: 1250MHz 4.01 94% 0% 93% 0% 0% 0% 50.2°C
04:48:39: 1250MHz 3.83 90% 1% 88% 0% 0% 0% 50.4°C
04:49:04: 1250MHz 3.83 86% 1% 85% 0% 0% 0% 50.2°C
04:49:30: 1250MHz 3.89 94% 1% 93% 0% 0% 0% 50.7°C
##########################################################################
Linux 6.12.5-starfive (starfive) 11/23/25 _riscv64_ (4 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
16.52 0.01 0.77 0.29 0.00 82.41
Device tps kB_read/s kB_wrtn/s kB_dscd/s kB_read kB_wrtn kB_dscd
mmcblk0 1.88 46.41 8.06 0.00 1641655 285050 0
sda 0.01 0.17 0.01 0.00 5968 212 0
total used free shared buff/cache available
Mem: 7.7Gi 228Mi 7.5Gi 3.2Mi 88Mi 7.5Gi
Swap: 0B 0B 0B
CPU sysfs topology (clusters, cpufreq members, clockspeeds)
cpufreq min max
CPU cluster policy speed speed core type
0 0 0 312 1250 sifive,u74-mc
1 0 0 312 1250 sifive,u74-mc
2 0 0 312 1250 sifive,u74-mc
3 0 0 312 1250 sifive,u74-mc
Architecture: riscv64
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Vulnerability Gather data sampling: Not affected
Vulnerability Itlb multihit: Not affected
Vulnerability L1tf: Not affected
Vulnerability Mds: Not affected
Vulnerability Meltdown: Not affected
Vulnerability Mmio stale data: Not affected
Vulnerability Reg file data sampling: Not affected
Vulnerability Retbleed: Not affected
Vulnerability Spec rstack overflow: Not affected
Vulnerability Spec store bypass: Not affected
Vulnerability Spectre v1: Not affected
Vulnerability Spectre v2: Not affected
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
SoC guess: StarFive JH7110
DT compat: starfive,visionfive-2-lite
starfive,jh7110s
Compiler: /usr/bin/gcc (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0 / riscv64-linux-gnu
Userland: riscv64
Kernel: 6.12.5-starfive/riscv64
CONFIG_HZ=100
CONFIG_HZ_100=y
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_NONE_BUILD=y
##########################################################################
cpu0/index0: 32K, level: 1, type: Instruction
cpu0/index1: 32K, level: 1, type: Data
cpu0/index2: 2048K, level: 2, type: Unified
cpu1/index0: 32K, level: 1, type: Instruction
cpu1/index1: 32K, level: 1, type: Data
cpu1/index2: 2048K, level: 2, type: Unified
cpu2/index0: 32K, level: 1, type: Instruction
cpu2/index1: 32K, level: 1, type: Data
cpu2/index2: 2048K, level: 2, type: Unified
cpu3/index0: 32K, level: 1, type: Instruction
cpu3/index1: 32K, level: 1, type: Data
cpu3/index2: 2048K, level: 2, type: Unified
##########################################################################
cpusldo: 700 mV (0 mV max)
vdd-cpu: 1000 mV (1540 mV max)
opp-table-0:
312 MHz 900.0 mV
417 MHz 900.0 mV
625 MHz 900.0 mV
1250 MHz 1000.0 mV
##########################################################################
Results validation:
* Measured clockspeed not lower than advertised max CPU clockspeed
* Background activity (%system) OK
* No throttling
| StarFive VisionFive 2 Lite | 1250 MHz | 6.12 | Ubuntu 24.04.3 LTS (noble) riscv64 | 3530 | 1016 | 19970 | 790 | 820 | - | |