Difference between revisions of "Parallel"
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<code>[[wikipedia:GNU_parallel|parallel]]</code><ref>https://www.gnu.org/software/parallel/man.html</ref> allows the user to execute shell scripts or [[commands]] in parallel. | <code>[[wikipedia:GNU_parallel|parallel]]</code><ref>https://www.gnu.org/software/parallel/man.html</ref> allows the user to execute shell scripts or [[commands]] in parallel. | ||
Revision as of 11:33, 23 February 2022
parallel[1] allows the user to execute shell scripts or commands in parallel.
Examples
aws ec2 describe-regions --query "Regions[].{Name:RegionName}" --output text | parallel aws ec2 describe-instances --region {}
ls | parallel git -C {} fetch
ls | parallel git -C {} pull
Activities
Basic
- Execute a command in parallel by ssh in MACHINE1 and MACHINE2 using parallel
- Read stackexchange questions about gnu-parallel: https://unix.stackexchange.com/questions/tagged/gnu-parallel?tab=votes&pagesize=50
- Install parallel in macOS:
brew install parallelcan conflict withbrew install moreutils
Intermediate
- Review different parallel options such as:
--keep-orderor-kwhich keep order in the output. Do not affect order of execution. - Update all your
gitrepositories in a directory in macOS using parallel:ls | parallel git -C {} fetch
Related terms
See also
parallel,for,xargs,parallel --citation, sshloginxargs,parallel,paste,mapmoreutilspackage- CPU, GPU, NPU, TPU, DPU, Groq, Proliant, thread (
Pthreads), processor, CPU socket, core, ARM , CPU Virtualization, Intel, AMD,nm,lscpu, AVX-512, Passthrough, CPU intensive, Graviton processor, Branch predictor, vCPU, SSE, Power
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Source: https://en.wikiversity.org/wiki/Linux/Basic_commands/parallel
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