9 ms·
I'm a heavy user of NVIDIA LOP3 instruction (uint32). I wonder when AMD will finally support it well.
by majke 2mo ago
I'm a heavy user of NVIDIA LOP3 instruction (uint32). I wonder when AMD will finally support it well.
- Archit3ch 2mo agoI'm very interested in your use case. I looked into bit-slicing techniques, but they increase throughput at the cost of massive latency. This is not acceptable for realtime audio.
- 15155 2mo agoFusing multiple boolean logic functions into one.
- averne_ 2mo agoThey already do, it's called v_bitop3_b32. Added in CDNA4, present in CDNA5 and will be making its way in RDNA5, if the LLVM code is to be trusted. https://www.amd.com/content/dam/amd/en/documents/instinct-tech-docs/instruction-set-architectures/amd-instinct-cdna4-instruction-set-architecture.pdf https://www.amd.com/content/dam/amd/en/documents/instinct-te...