start /affinity指定到第几个vCPU跑openssl speed来测试单个vCPU性能

原创

Windows技术交流

修改于 2024-06-18 12:59:51

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修改于 2024-06-18 12:59:51

文章被收录于专栏：Windows技术交流

start /affinity 最多只能指定64个vCPU，超过的情况参考https://cloud.tencent.com/developer/article/2417026

安装openssl

在https://slproweb.com/products/Win32OpenSSL.html下载openssl

注：带Light的版本包含最常用的基本功能，如需全功能请安装不带Light的版本

这里要说明下，Windows版的openssl貌似没有多线程参数-multi（linux版的openssl有没有-multi参数你可以验证下）

openssl.exe speed rsa -multi 5

安装openssl的时候全部默认的下一步 → 下一步 → ... → 直到完成，也可以试试用chocolatey安装openssl（先访问chocolatey，安装上chocolatey，然后执行choco install OpenSSL -y）

Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))

choco install OpenSSL -y
#choco install OpenSSL -y
#choco install OpenSSL -y

slproweb.com在海外，下载超级慢，无奈我照着URL，在本地配了自签名证书的https站点，拼凑了https://slproweb.com/download/Win64OpenSSL-3_3_1.exe（在网络好的地方下载好，然后在本地自建自签名https站点，造出这个URL，瞬间download完成）然后就是为了看choco install OpenSSL -y完整的过程如下

有的机器，是多颗CPU，每颗还是多个逻辑处理器，可以执行msinfo32确认

start /node 0 /affinity 0x1 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x2 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x4 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x8 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0xf cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x20 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x40 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x80 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x100 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x200 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x400 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x800 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x1000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x2000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x4000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x8000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x10000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x20000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x40000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x80000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x100000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x200000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x400000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x800000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x1000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x2000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x4000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x8000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x10000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x20000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x40000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x80000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

start /node 0 /affinity 0x100000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x200000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x400000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x800000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x1000000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x2000000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x4000000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /node 0 /affinity 0x8000000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"



start /wait /b /node 0 /affinity 0x1 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x2 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x4 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x8 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0xf cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x20 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x40 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x80 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x100 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x200 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x400 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x800 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x1000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x2000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x4000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x8000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x10000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x20000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x40000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x80000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x100000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x200000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x400000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x800000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x1000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x2000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x4000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x8000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x10000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x20000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x40000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x80000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

start /wait /b /node 0 /affinity 0x100000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x200000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x400000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x800000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x1000000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x2000000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x4000000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 0 /affinity 0x8000000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"



start /wait /b /node 1 /affinity 0x1 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x2 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x4 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x8 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0xf cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x20 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x40 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x80 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x100 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x200 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x400 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x800 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x1000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x2000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x4000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x8000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x10000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x20000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x40000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x80000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x100000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x200000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x400000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x800000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x1000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x2000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x4000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x8000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x10000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x20000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x40000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x80000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

start /wait /b /node 1 /affinity 0x100000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x200000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x400000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x800000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x1000000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x2000000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x4000000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"
start /wait /b /node 1 /affinity 0x8000000000 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

参考https://stackoverflow.com/questions/19187241/change-affinity-of-process-with-windows-script

以16vCPU机器为例，执行(Get-WmiObject -Class Win32_Processor).NumberOfLogicalProcessors显示16

[CPU15, CPU14, CPU13, CPU12, CPU11, CPU10, CPU9, CPU8, CPU7, CPU6, CPU5, CPU4, CPU3, CPU2, CPU1, CPU0]

在CPU0跑程序（第1个vCPU）

0000,0000,0000,0001

start /affinity 0x1  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

在CPU1跑程序（第2个vCPU）

0000,0000,0000,0010

start /affinity 0x2  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

在CPU2跑程序（第3个vCPU）

0000,0000,0000,0100

start /affinity 0x4  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

在CPU3跑程序（第4个vCPU）

0000,0000,0000,1000

start /affinity 0x8  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

在CPU4跑程序（第5个vCPU）

0000,0000,0001,0000

start /affinity 0xf  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

在CPU5跑程序（第6个vCPU）

0000,0000,0010,0000

start /affinity 0x20  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

在CPU6跑程序（第7个vCPU）

0000,0000,0100,0000

start /affinity 0x40  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

在CPU7跑程序（第8个vCPU）

0000,0000,1000,0000

start /affinity 0x80  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

在CPU8跑程序（第9个vCPU）

0000,0001,0000,0000

start /affinity 0x100  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

在CPU9跑程序（第10个vCPU）

0000,0010,0000,0000

start /affinity 0x200  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

在CPU10跑程序（第11个vCPU）

0000,0100,0000,0000

start /affinity 0x400  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

在CPU11跑程序（第12个vCPU）

0000,1000,0000,0000

start /affinity 0x800  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

在CPU12跑程序（第13个vCPU）

0001,0000,0000,0000

start /affinity 0x1000  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

在CPU13跑程序（第14个vCPU）

0010,0000,0000,0000

start /affinity 0x2000  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

在CPU14跑程序（第15个vCPU）

0100,0000,0000,0000

start /affinity 0x4000  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

在CPU15跑程序（第16个vCPU）

1000,0000,0000,0000

start /affinity 0x8000  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

/node 、/b、重定向、/wait

1、不加/node、不加/b

start /affinity 0x1  cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

这句命令是在第1个逻辑处理器（vCPU0）上执行程序

不加/node是因为只有一颗CPU，所以不用加/node，当然也可以加/node 0

加/b是在后台隐藏运行（直接在当前cmd窗口显示，不会新开窗口），不加/b是在前台不隐藏运行（注意看截图，会新开一个cmd窗口）

2、加/node，如果有多颗CPU，需要加/node

start /node 0 /affinity 0x2 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

这句命令是在第1颗CPU（node0）的第2个逻辑处理（vCPU1）器上执行程序

3、加/node、加/b

不加/node是因为只有一颗CPU，所以不用加/node，当然也可以加/node 0

加/b是在后台隐藏运行，不加/b是在前台不隐藏运行（注意看截图，没有像加/b那样新开一个cmd窗口出来）

start /b /node 0 /affinity 0x4 cmd /c "c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt"

这句命令是在第3个逻辑处理器（vCPU2）上执行程序

4、注意尽量不要在powershell里执行openssl.exe，因为2>&1 1>c:\log.txt有报错

同样的命令c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512，在powershell里执行和在cmd里执行，输出是一样的，但是重定向的结果是不一样的

[没有重定向]

powershell，没有重定向，不报错

cmd，没有重定向，不报错

[重定向]

c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>&1 1>c:\log.txt

powershell，重定向，报错

cmd，重定向，不报错

cmd中执行命令重定向，输出回显到文本文件中没问题，在powershel不行，解决办法可以参考这个示例：

cmd命令行能产生日志
start /wait /affinity F0 cmd /c "echo.|c:\vray-benchmark-6.00.00-cli.exe -m vray 2>&1 1>c:\log.txt"

powershell命令行也能产生日志
Start-Process cmd.exe -ArgumentList {/c start /wait /affinity F0 cmd /c "echo.|c:\vray-benchmark-6.00.00-cli.exe -m vray 2>&1 1>c:\log.txt"}

5、加和不加/wait的区别

start /wait /b /node 0 /affinity 0x1 cmd /c "echo.>c:\std\all.txt 2>$nul & echo.>c:\std\err.txt 2>$nul  & echo.>c:\std\out.txt 2>$nul  & mkdir -p c:\std 2>$nul & c:\progra~1\OpenSSL-Win64\bin\openssl.exe speed sha512 2>c:\std\err.txt 1>c:\std\out.txt & type c:\std\*.txt > c:\std\all.txt"
notepad c:\std\all.txt

加/wait是等待第一行命令执行结束后才会执行第2行，否则第一行命令会在后台并行运行然后马上执行第2行，这样一来，第一行命令的结果还没有生成，第2行命令又是依赖第一行命令的结果的，结果肯定不符合预期。所以，如果是多行命令，要加/wait。

原创声明：本文系作者授权腾讯云开发者社区发表，未经许可，不得转载。

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