Retbleed fix slugs Linux VM performance by up to 70 percent

from www.theregister.com - Articles on 2022-09-12 01:29 (#63GYH)

VMware ran tests on kernel 5.19 and saw some nasty numbers. Meanwhile progress on version 6.0 is steady

VMware engineers have tested the Linux kernel's fix for the Retbleed speculative execution bug, and report it can impact compute performance by a whopping 70 percent....

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