Benchmarking The Linux Mitigated Performance For Retbleed: It's Painful

Written by Michael Larabel in Software on 13 July 2022. Page 4 of 7. 74 Comments

With some of the prior speculative execution attack mitigations the overall code compilation / build time performance tended to not be impacted much, but with Retbleed there is a small but consistent difference.

Database workloads are impacted by these default Retbleed mitigations.

Even heavy image operations with the GIMP imaging program saw a measurable difference from the new Retbleed-patched kernel.

Or the RawTherapee RAW imaging program too saw regressions on both the AMD and Intel systems tested.


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