Just a Simple Parallel Runner in C#

in #utopian-io • 8 years ago (edited)

I need a quick GNU Parallel substitute on Windows, and here is a simple parallel runner that is implemented in C# .NET 4.6.

Github Source: https://github.com/DoctorLai/SimpleRunner

Features of Simple Parallel Runner

  • Run multiple tasks at command line
  • Tasks synchronization
  • Timeout
  • Jobs can be defined in a job list file.

Examples

it is possible to specify alternative e.g. using .js=wscript.exe and/or *.vbs=wscript.exe". For example,

SimpleRunner job1.vbs job2.vbs job3.vbs job4.js
Process Starts: cscript.exe /Nologo job1.vbs
Process Starts: cscript.exe /Nologo job4.js
Process Starts: cscript.exe /Nologo job2.vbs
Process Starts: cscript.exe /Nologo job3.vbs
1
Process Stops: cscript.exe /Nologo job1.vbs
2
Process Stops: cscript.exe /Nologo job2.vbs
4
Process Stops: cscript.exe /Nologo job4.js
3
Process Stops: cscript.exe /Nologo job3.vbs

If you specify wscript.exe to run, then all the output will not be redirected to the console. Instead, message dialogs will be pop-up, if you use WScript.Echo.

SimpleRunner job1.vbs job2.vbs job3.vbs job4.js .js=wscript.exe .vbs=wscript.exe
Process Starts: wscript.exe /Nologo job1.vbs
Process Starts: wscript.exe /Nologo job2.vbs
Process Starts: wscript.exe /Nologo job4.js
Process Starts: wscript.exe /Nologo job3.vbs
Process Stops: wscript.exe /Nologo job2.vbs
Process Stops: wscript.exe /Nologo job4.js
Process Stops: wscript.exe /Nologo job1.vbs
Process Stops: wscript.exe /Nologo job3.vbs

Please note that the 32-bit scripting engines aree located at e.g. C:\Windows\SysWOW64 while the 64-bit variants are located at C:\Windows\System32.

Specify the Runner Paths and Parameters

As you can see in the above example, the runners can be specified using the .ext=path format where ext is the job file extension. Also you can specify the parameters to pass for that runner, for example:

SimpleRunner .php=php.exe -php=/para1 -php=/para2 a.php b.php
In this case, two processes will be invoked in parallel.

php.exe /para1 /para2 a.php
php.exe /para1 /para2 b.php

.vbs and .js are pre-configured with /Nologo parameter.

Specify the timeout for processes

Each parallel process will run until it terminates, however, you could set a timeout limit for all processes.

SimpleRunner job1.vbs job2.vbs job3.vbs job4.js timeout=1
Process Starts: cscript.exe /NoLogo job1.vbs
Process Starts: cscript.exe /NoLogo job4.js
Process Starts: cscript.exe /NoLogo job2.vbs
Process Starts: cscript.exe /NoLogo job3.vbs
Four independent processes are killed and terminated because the timeout is set to 1ms.

Specify a job list

You could put each line a job task in a job list file, for example,

SimpleRunner jobs=list1.txt jobs=list2.txt

where list1.txt and list2.txt are two plain text files that contain each line a job.

Source Code

Github Source: https://github.com/DoctorLai/SimpleRunner

Screenshot

Proof of work

doctorlai is my github ID and you can view my profile https://github.com/DoctorLai which has my steemit URL page.


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#parallel #task-runner
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