3 ms·
This has been the case since a zillion years, since the Core 2 Duo days at minimum.
by pixelpoet 13d ago
This has been the case since a zillion years, since the Core 2 Duo days at minimum.
- account42 13d agoThe interesting part is that this seems to be Intel-specific.
- pixelpoet 13d agoThat's what I mean though- in the Core 2 Duo vs K8 / Athlon days, Intel was much slower for denormals and subnormals than AMD. I'm not sure why but I thought this was common knowledge.
- augment_me 13d agoThis is true on most hardware. Running ftz on H100s or B200 gives a free 10-20% boost for GEMM-epilogue workload
- adrian_b 12d agoThis is true only on most hardware that does not care about computational errors, i.e. which is intended mostly for games or for AI.