6 ms·
AMD fixed vpcompressd in Zen5: > Hazards Fixed: > V(P)COMPRESS store to memory is fixed. (3 cycles/store to non-overlapping addresses) > The super-alig
by Manabu-eo 2y ago
AMD fixed vpcompressd in Zen5:
> Hazards Fixed:
> V(P)COMPRESS store to memory is fixed. (3 cycles/store to non-overlapping addresses)
> The super-alignment hazard is fixed.
I initially tried searching for the string, but the () thwarted that.
It used to be 142 cycles/instruction for "vpcompressd [mem]{k}, zmm" in zen4.