Easton Man's Channel
an hour ago
Daniel Lemire's blog
A performance trap: when store forwarding fails
source
Daniel Lemire's blog
A performance trap: when store forwarding fails
A store does not go straight into the cache. Waiting for that write would stall the processor. It sits in a store buffer, and a later load can take its bytes from that buffer. That is store forwarding. Forwarding works when the load is the same size as the…
Home
Powered by
BroadcastChannel
&
Sepia