bodgit / rvz / 38183852253

69%

push

github

perf: Buffer reads of each group (#181)

Every group is now read through a pooled 64 KiB buffer, so the small
reads of packed entry sizes, padding seeds and hash exceptions no longer
each become a separate pread. This cuts system time on Mario Kart Wii
from 5.2s to 1.3s and wall time by about 7%.

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

27 of 33 new or added lines in 1 file covered. (81.82%)

455 of 822 relevant lines covered (55.35%)

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