資訊專欄INFORMATION COLUMN
摘要：使用腳本測試。
目錄
云服務器配置：
型號 : 快杰型 O
CPU : 1核 （Intel(R) Xeon(R) Gold 6148 CPU @ 2.40GHz 2.39 GHz）
內存 : 2G
帶寬 : 2M
磁盤 : 40G （SSD）
虛擬 : KVM
IP : IPv4 x 1 （BGP）
內網 : 支持內網互通
數據中心 : 上海二區 CPU Model : Intel Xeon Processor (Cascadelake)
CPU Cores : 1 Cores 2494.140 MHz x86_64
CPU Cache : 16384 KB
OS : CentOS 7.6.1810 (64 Bit) KVM
AES-NI : Enabled
VM-x/AMD-V : Disabled
Kernel : 4.19.0-9.el7.ucloud.x86_64
Total Space : 1.9 GB / 40.0 GB
Total RAM : 67 MB / 1917 MB (126 MB Buff)
Total SWAP : 0 MB / 0 MB
Uptime : 0 days 20 hour 22 min
Load Average : 0.00, 0.00, 0.00
TCP CC : cubic
ASN & ISP : AS4812, UCLOUD
Organization : Shanghai UCloud Information Technology Company Limited
Location : Beijing, China / CN
Region : Beijing
#dd 1Mx1k fdatasync
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 13.7801 s, 77.9 MB/s
#dd 64kx16k fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 13.7582 s, 78.0 MB/s
#dd 1Mx1k dsync
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 13.7411 s, 78.1 MB/s
#dd 64kx16k dsync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 13.9099 s, 77.2 MB/s4 KiB <<< /root/benchmark/ (xfs /dev/vda1): request=1 time=90.6 us (warmup)
4 KiB <<< /root/benchmark/ (xfs /dev/vda1): request=2 time=130.8 us
4 KiB <<< /root/benchmark/ (xfs /dev/vda1): request=3 time=180.3 us
4 KiB <<< /root/benchmark/ (xfs /dev/vda1): request=4 time=206.4 us
4 KiB <<< /root/benchmark/ (xfs /dev/vda1): request=5 time=192.3 us
4 KiB <<< /root/benchmark/ (xfs /dev/vda1): request=6 time=177.7 us
4 KiB <<< /root/benchmark/ (xfs /dev/vda1): request=7 time=196.3 us
4 KiB <<< /root/benchmark/ (xfs /dev/vda1): request=8 time=234.3 us (slow)
4 KiB <<< /root/benchmark/ (xfs /dev/vda1): request=9 time=195.1 us
4 KiB <<< /root/benchmark/ (xfs /dev/vda1): request=10 time=204.8 us
--- /root/benchmark/ (xfs /dev/vda1) ioping statistics ---
9 requests completed in 1.72 ms, 36 KiB read, 5.24 k iops, 20.5 MiB/s
generated 10 requests in 9.00 s, 40 KiB, 1 iops, 4.44 KiB/s
min/avg/max/mdev = 130.8 us / 190.9 us / 234.3 us / 26.4 us
#IOPing seek rate
--- /root/benchmark/ (xfs /dev/vda1) ioping statistics ---
11.3 k requests completed in 2.99 s, 44.1 MiB read, 3.78 k iops, 14.8 MiB/s
generated 11.3 k requests in 3.00 s, 44.1 MiB, 3.76 k iops, 14.7 MiB/s
min/avg/max/mdev = 57.6 us / 264.8 us / 3.43 ms / 204.4 us
#IOPing sequential
--- /root/benchmark/ (xfs /dev/vda1) ioping statistics ---
898 requests completed in 2.98 s, 224.5 MiB read, 301 iops, 75.3 MiB/s
generated 899 requests in 3.00 s, 224.8 MiB, 299 iops, 74.9 MiB/s
min/avg/max/mdev = 1.86 ms / 3.32 ms / 4.19 ms / 502.4 us
#IOPing cached
--- /root/benchmark/ (xfs /dev/vda1) ioping statistics ---
2.45 M requests completed in 2.86 s, 9.34 GiB read, 854.8 k iops, 3.26 GiB/s
generated 2.45 M requests in 3.00 s, 9.34 GiB, 816.0 k iops, 3.11 GiB/s
min/avg/max/mdev = 460 ns / 1.17 us / 137.8 us / 472 nsfio Disk Speed Tests (Mixed R/W 50/50):
---------------------------------
Block Size | 4k (IOPS) | 64k (IOPS)
------ | --- ---- | ---- ----
Read | 7.56 MB/s (1.8k) | 38.16 MB/s (596)
Write | 7.59 MB/s (1.8k) | 38.46 MB/s (600)
Total | 15.16 MB/s (3.7k) | 76.62 MB/s (1.1k)
| |
Block Size | 512k (IOPS) | 1m (IOPS)
------ | --- ---- | ---- ----
Read | 37.31 MB/s (72) | 37.00 MB/s (36)
Write | 39.31 MB/s (76) | 39.65 MB/s (38)
Total | 76.63 MB/s (148) | 76.66 MB/s (74)
#FIO full write pass
writefile: (g=0): rw=write, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=libaio, iodepth=200
fio-3.7
Starting 1 process
writefile: Laying out IO file (1 file / 10240MiB)
writefile: (groupid=0, jobs=1): err= 0: pid=30854: Tue Jan 5 16:35:54 2021
write: IOPS=74, BW=74.8MiB/s (78.5MB/s)(10.0GiB/136867msec)
slat (usec): min=8, max=401431, avg=13009.29, stdev=35003.85
clat (msec): min=976, max=4315, avg=2655.81, stdev=201.12
lat (msec): min=976, max=4315, avg=2668.83, stdev=204.07
clat percentiles (msec):
| 1.00th=[ 1737], 5.00th=[ 2635], 10.00th=[ 2635], 20.00th=[ 2635],
| 30.00th=[ 2668], 40.00th=[ 2668], 50.00th=[ 2668], 60.00th=[ 2668],
| 70.00th=[ 2668], 80.00th=[ 2668], 90.00th=[ 2668], 95.00th=[ 2769],
| 99.00th=[ 3540], 99.50th=[ 3675], 99.90th=[ 4212], 99.95th=[ 4212],
| 99.99th=[ 4329]
bw ( KiB/s): min= 2048, max=212992, per=99.40%, avg=76155.04, stdev=13951.54, samples=270
iops : min= 2, max= 208, avg=74.33, stdev=13.63, samples=270
lat (msec) : 1000=0.02%
cpu : usr=1.44%, sys=0.13%, ctx=1405, majf=0, minf=10
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.2%, 32=0.3%, >=64=99.4%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.1%
issued rwts: total=0,10240,0,1 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=200
Run status group 0 (all jobs):
WRITE: bw=74.8MiB/s (78.5MB/s), 74.8MiB/s-74.8MiB/s (78.5MB/s-78.5MB/s), io=10.0GiB (10.7GB), run=136867-136867msec
Disk stats (read/write):
vda: ios=4/10414, merge=0/4, ticks=6527/16922060, in_queue=16923349, util=9.00%
#FIO rand read
benchmark: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=128
...
fio-3.7
Starting 4 processes
benchmark: (groupid=0, jobs=4): err= 0: pid=30858: Tue Jan 5 16:36:25 2021
read: IOPS=3791, BW=14.8MiB/s (15.5MB/s)(445MiB/30033msec)
slat (nsec): min=1832, max=21089k, avg=1050410.92, stdev=2778297.58
clat (usec): min=705, max=171180, avg=133773.08, stdev=6267.82
lat (usec): min=711, max=171183, avg=134824.10, stdev=6187.07
clat percentiles (msec):
| 1.00th=[ 126], 5.00th=[ 126], 10.00th=[ 127], 20.00th=[ 128],
| 30.00th=[ 134], 40.00th=[ 136], 50.00th=[ 136], 60.00th=[ 136],
| 70.00th=[ 136], 80.00th=[ 136], 90.00th=[ 136], 95.00th=[ 144],
| 99.00th=[ 146], 99.50th=[ 146], 99.90th=[ 148], 99.95th=[ 155],
| 99.99th=[ 165]
bw ( KiB/s): min= 2746, max= 3952, per=24.91%, avg=3778.01, stdev=118.80, samples=240
iops : min= 686, max= 988, avg=944.50, stdev=29.72, samples=240
lat (usec) : 750=0.01%
lat (msec) : 2=0.01%, 10=0.01%, 20=0.01%, 50=0.08%, 100=0.21%
lat (msec) : 250=99.69%
cpu : usr=0.31%, sys=0.43%, ctx=14280, majf=0, minf=548
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=99.8%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.1%
issued rwts: total=113861,0,0,0 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=128
Run status group 0 (all jobs):
READ: bw=14.8MiB/s (15.5MB/s), 14.8MiB/s-14.8MiB/s (15.5MB/s-15.5MB/s), io=445MiB (466MB), run=30033-30033msec
Disk stats (read/write):
vda: ios=113352/2, merge=0/0, ticks=3754819/126, in_queue=3736875, util=99.61%
#FIO rand write
benchmark: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=128
...
fio-3.7
Starting 4 processes
benchmark: (groupid=0, jobs=4): err= 0: pid=30864: Tue Jan 5 16:36:56 2021
write: IOPS=3791, BW=14.8MiB/s (15.5MB/s)(445MiB/30034msec)
slat (nsec): min=1972, max=19064k, avg=1050205.92, stdev=2776178.64
clat (msec): min=3, max=171, avg=133.78, stdev= 6.20
lat (msec): min=3, max=171, avg=134.83, stdev= 6.08
clat percentiles (msec):
| 1.00th=[ 126], 5.00th=[ 126], 10.00th=[ 127], 20.00th=[ 128],
| 30.00th=[ 136], 40.00th=[ 136], 50.00th=[ 136], 60.00th=[ 136],
| 70.00th=[ 136], 80.00th=[ 136], 90.00th=[ 136], 95.00th=[ 144],
| 99.00th=[ 146], 99.50th=[ 146], 99.90th=[ 153], 99.95th=[ 155],
| 99.99th=[ 165]
bw ( KiB/s): min= 2792, max= 4023, per=24.91%, avg=3777.96, stdev=114.04, samples=240
iops : min= 698, max= 1005, avg=944.49, stdev=28.50, samples=240
lat (msec) : 4=0.01%, 20=0.01%, 50=0.08%, 100=0.23%, 250=99.68%
cpu : usr=0.36%, sys=0.47%, ctx=14266, majf=0, minf=36
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=99.8%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.1%
issued rwts: total=0,113868,0,0 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=128
Run status group 0 (all jobs):
WRITE: bw=14.8MiB/s (15.5MB/s), 14.8MiB/s-14.8MiB/s (15.5MB/s-15.5MB/s), io=445MiB (466MB), run=30034-30034msec
Disk stats (read/write):
vda: ios=0/113351, merge=0/0, ticks=0/3754735, in_queue=3737870, util=99.37%使用 Superbench腳本測試。
----------------------------------------------------------------------
Node Name Upload Speed Download Speed Latency
Speedtest.net 1.92 Mbit/s 50.54 Mbit/s 16.19 ms
Fast.com 0.00 Mbit/s 0 Mbit/s -
Nanjing 5G CT 1.91 Mbit/s 47.90 Mbit/s 7.55 ms
Hefei 5G CT 1.92 Mbit/s 47.84 Mbit/s 10.57 ms
Guangzhou 5G CT 1.97 Mbit/s 49.69 Mbit/s 31.17 ms
TianJin 5G CU 1.93 Mbit/s 50.44 Mbit/s 19.65 ms
Shanghai 5G CU 1.90 Mbit/s 47.98 Mbit/s 1.24 ms
Tianjin 5G CM 1.92 Mbit/s 48.66 Mbit/s 27.28 ms
Wuxi 5G CM 1.92 Mbit/s 48.63 Mbit/s 10.41 ms
Nanjing 5G CM 1.91 Mbit/s 47.39 Mbit/s 10.81 ms
Hefei 5G CM 1.94 Mbit/s 47.98 Mbit/s 15.42 ms
----------------------------------------------------------------------使用 LemonBench 腳本測試。
----------------------------------------------------------------------------------
Node Name Upload Speed Download Speed Ping Latency
Speedtest Default 0.23 MB/s 6.00 MB/s 18.18 ms
China, Jilin CU 0.23 MB/s 6.07 MB/s 41.26 ms
China, Shandong CU 0.22 MB/s 5.77 MB/s 28.26 ms
China, Nanjing CU 0.24 MB/s 5.82 MB/s 7.49 ms
China, Shanghai CU 0.24 MB/s 5.75 MB/s 1.24 ms
China, Lanzhou CU Fail: Unknown Error
China, Beijing CT Fail: Unknown Error
China, Hangzhou CT 0.23 MB/s 5.79 MB/s 5.50 ms
China, Nanjing CT 0.22 MB/s 5.70 MB/s 8.94 ms
China, Guangzhou CT 0.23 MB/s 6.86 MB/s 30.02 ms
China, Wuhan CT 0.23 MB/s 5.74 MB/s 18.40 ms
China, Shenyang CM 0.23 MB/s 5.82 MB/s 39.42 ms
China, Hangzhou CM 0.24 MB/s 5.77 MB/s 17.65 ms
China, Nanning CM 0.23 MB/s 5.86 MB/s 50.64 ms
China, Lanzhou CM 0.23 MB/s 5.88 MB/s 46.02 ms
Hong Kong, HGC 0.15 MB/s 5.79 MB/s 52.86 ms
Hong Kong, CSL 0.23 MB/s 0.70 MB/s 44.04 ms
Hong Kong, PCCW Fail: Unknown Error
Korea, SK [Kdatacenter] 0.23 MB/s 0.27 MB/s 41.41 ms
Japan, NTT [fdcservers] 0.24 MB/s 0.30 MB/s 63.57 ms
Japan, NTT [i3d] Fail: Unknown Error
Japan GLBB 0.24 MB/s 0.11 MB/s 275.13 ms
Japan Rakuten 0.23 MB/s 1.71 MB/s 58.26 ms
Taiwan, Seednet 0.13 MB/s 5.87 MB/s 59.95 ms
Taiwan, HiNet 0.24 MB/s 6.00 MB/s 50.90 ms
Taiwan, TFN 0.16 MB/s 5.85 MB/s 53.42 ms
Singapore, Singtel 0.24 MB/s 6.77 MB/s 306.33 ms
Singapore, M1 0.26 MB/s 0.17 MB/s 307.53 ms
Singapore, NME 0.21 MB/s 7.15 MB/s 66.76 ms
United States, Century Link 0.25 MB/s 0.11 MB/s 182.87 ms
United States, Verizon Fail: Unknown Error
----------------------------------------------------------------------------------| 區域 | 最快/最慢 | 平均 |
|---|---|---|
| 全網 | 上海(bgp) 2.8ms/新西蘭奧克蘭(globicom.co.nz) 3603.0ms | 176.7ms |
| 移動 | 江蘇常州(移動) 5.9ms/湖南益陽(移動) 530.4ms | 56.1ms |
| 聯通 | 江蘇連云港(聯通) 9.8ms/吉林延邊(聯通) 46.4ms | 26.4ms |
| 電信 | 上海(電信) 3.9ms/云南昆明(電信) 45.9ms | 23.6ms |
| 華南 | 廣東廣州(騰訊云) 28.6ms / 廣東深圳(天威-bgp) 45.2ms | 34.4ms |
| 華北 | 天津(騰訊云) 20.4ms / 北京(移動云) 38.5ms | 27.6ms |
| 華東 | 上海(bgp) 2.8ms / 江蘇南通(移動) 119.7ms | 15.0ms |
| 華中 | 河南洛陽(bgp) 19.3ms / 湖南益陽(移動) 530.4ms | 85.7ms |
| 東北 | 遼寧沈陽(聯通-云端 2) 36.3ms / 遼寧沈陽(移動) 55.2ms | 44.6ms |
| 西北 | 陜西西安(移動云) 28.8ms / 陜西西安(移動云) 28.8ms | 28.8ms |
| 西南 | 山東濟南(移動云) 18.3ms / 云南昆明(移動) 55.7ms | 40.0ms |
| 港澳臺 | 香港(騰訊云-輕量) 29.3ms / 香港(stacksnet.com) 330.9ms | 86.0ms |
| 亞洲 | 韓國首爾(4090.cn) 27.3ms/日本東京 711.7ms | 185.6ms |
| 歐洲 | 俄羅斯伯力 92.8ms/芬蘭哈米納(GCP) 380.4ms | 249.9ms |
| 非洲 | 南非約翰內斯堡(runidc.com) 191.4ms/南非約翰內斯堡(華為云) 423.8ms | 320.6ms |
| 北美洲 | 美國圣何塞(騰訊云) 129.9ms/墨西哥普埃布拉 326.9ms | 203.7ms |
| 南美洲 | 巴西里約熱內盧 299.4ms/智利瓦爾迪維亞 483.2ms | 378.4ms |
| 大洋洲 | 澳大利亞悉尼(AMAZON-LIGHTSAIL) 164.9ms/新西蘭奧克蘭(globicom.co.nz) 3603.0ms | 504.5ms |
========================================================================
BYTE UNIX Benchmarks (Version 5.1.3)
System: 10-23-107-24: GNU/Linux
OS: GNU/Linux -- 4.19.0-9.el7.ucloud.x86_64 -- #1 SMP Mon Sep 28 10:29:09 UTC 2020
Machine: x86_64 (x86_64)
Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
CPU 0: Intel Xeon Processor (Cascadelake) (4988.3 bogomips)
x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
16:37:26 up 1 day, 49 min, 2 users, load average: 2.17, 1.26, 0.54; runlevel 3
------------------------------------------------------------------------
Benchmark Run: Tue Jan 05 2021 16:37:26 - 17:05:28
1 CPU in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 39250964.9 lps (10.0 s, 7 samples)
Double-Precision Whetstone 4683.3 MWIPS (9.8 s, 7 samples)
Execl Throughput 4915.4 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 718302.5 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 217004.9 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1408054.4 KBps (30.0 s, 2 samples)
Pipe Throughput 1302544.1 lps (10.0 s, 7 samples)
Pipe-based Context Switching 263283.5 lps (10.0 s, 7 samples)
Process Creation 11682.1 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 5726.1 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 739.2 lpm (60.1 s, 2 samples)
System Call Overhead 1003677.4 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 39250964.9 3363.4
Double-Precision Whetstone 55.0 4683.3 851.5
Execl Throughput 43.0 4915.4 1143.1
File Copy 1024 bufsize 2000 maxblocks 3960.0 718302.5 1813.9
File Copy 256 bufsize 500 maxblocks 1655.0 217004.9 1311.2
File Copy 4096 bufsize 8000 maxblocks 5800.0 1408054.4 2427.7
Pipe Throughput 12440.0 1302544.1 1047.1
Pipe-based Context Switching 4000.0 263283.5 658.2
Process Creation 126.0 11682.1 927.2
Shell Scripts (1 concurrent) 42.4 5726.1 1350.5
Shell Scripts (8 concurrent) 6.0 739.2 1231.9
System Call Overhead 15000.0 1003677.4 669.1
========
System Benchmarks Index Score 1241.8
------------------------------------------------------------------------
Benchmark Run: Tue Jan 05 2021 17:05:28 - 17:33:30
1 CPU in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 38893710.4 lps (10.0 s, 7 samples)
Double-Precision Whetstone 4670.4 MWIPS (9.8 s, 7 samples)
Execl Throughput 4792.1 lps (29.7 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 654580.1 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 217516.6 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1391127.2 KBps (30.0 s, 2 samples)
Pipe Throughput 1310590.0 lps (10.0 s, 7 samples)
Pipe-based Context Switching 264926.3 lps (10.0 s, 7 samples)
Process Creation 11501.0 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 5763.9 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 747.8 lpm (60.0 s, 2 samples)
System Call Overhead 1003968.7 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 38893710.4 3332.8
Double-Precision Whetstone 55.0 4670.4 849.2
Execl Throughput 43.0 4792.1 1114.4
File Copy 1024 bufsize 2000 maxblocks 3960.0 654580.1 1653.0
File Copy 256 bufsize 500 maxblocks 1655.0 217516.6 1314.3
File Copy 4096 bufsize 8000 maxblocks 5800.0 1391127.2 2398.5
Pipe Throughput 12440.0 1310590.0 1053.5
Pipe-based Context Switching 4000.0 264926.3 662.3
Process Creation 126.0 11501.0 912.8
Shell Scripts (1 concurrent) 42.4 5763.9 1359.4
Shell Scripts (8 concurrent) 6.0 747.8 1246.3
System Call Overhead 15000.0 1003968.7 669.3
========
System Benchmarks Index Score 1229.0sysbench 1.0.17 (using system LuaJIT 2.0.4)
Running the test with following options:
Number of threads: 1
Initializing random number generator from current time
Prime numbers limit: 20000
Initializing worker threads...
Threads started!
CPU speed:
events per second: 407.89
General statistics:
total time: 10.0010s
total number of events: 4080
Latency (ms):
min: 2.38
avg: 2.45
max: 3.24
95th percentile: 2.86
sum: 9993.97
Threads fairness:
events (avg/stddev): 4080.0000/0.00
execution time (avg/stddev): 9.9940/0.00sysbench 1.0.17 (using system LuaJIT 2.0.4)
Running the test with following options:
Number of threads: 1
Initializing random number generator from current time
Running memory speed test with the following options:
block size: 1KiB
total size: 102400MiB
operation: write
scope: global
Initializing worker threads...
Threads started!
Total operations: 44316973 (4430902.78 per second)
43278.29 MiB transferred (4327.05 MiB/sec)
General statistics:
total time: 10.0001s
total number of events: 44316973
Latency (ms):
min: 0.00
avg: 0.00
max: 0.18
95th percentile: 0.00
sum: 4305.55
Threads fairness:
events (avg/stddev): 44316973.0000/0.00
execution time (avg/stddev): 4.3056/0.00Running Gathering system information
System Information
Operating System Linux 4.19.0-9.el7.ucloud.x86_64 x86_64
Model Red Hat KVM
Motherboard N/A
BIOS SeaBIOS 1.10.2-3.el7_4.1
Processor Information
Name Intel Xeon Processor (Cascadelake)
Topology 1 Processor, 1 Core
Identifier GenuineIntel Family 6 Model 85 Stepping 6
Base Frequency 2.49 GHz
L1 Instruction Cache 32.0 KB
L1 Data Cache 32.0 KB
L2 Cache 4.00 MB
L3 Cache 16.0 MB
Memory Information
Size 1.87 GB
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