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Linux 6.14 Sees Last Minute Fix For A Two Year Old Regression Causing A 30% Performance Drop
Submitted today ahead of the Linux 6.14 stable release expected Sunday is a lone scheduler fix for the kernel
This patch is for reverting a change made to the Linux kernel two years ago that ended up regressing some workloads with a significant performance hit. With a simple loop of a bash script launching many "sleep" commands as separate processes, this patch ended up reducing that execution time by around 57%. "This is admittedly a bit late in the cycle, and the regression is old, but the performance impact is substantial for the affected workloads so I didn't want to delay this fix."
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