|
|
|
|
|
|
by ack_complete
484 days ago
|
|
|
Even in the latter case, different approaches are often required. For an 8x8 byte block difference, SSE2 prefers horizontal accumulation (PSADBW) while ARM64 prefers vertical (UABAL). It's noticeably suboptimal if you try abstracting across these with generic primitives. |
|
|