4 ms·
And sometimes 128-byte because the some part of the cache system is reading two cache lines at a time in contemporary x86-64 if I understand correctly.
by kzrdude 3y ago
And sometimes 128-byte because the some part of the cache system is reading two cache lines at a time in contemporary x86-64 if I understand correctly.
- loeg 3y agoIt was a really big problem for early x86-64 CPUs, I believe. My hearsay recollection is that the cache prefetcher would pretty much always load pairs of adjacent cache lines.