Fp16 Implementation Issue
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Fp16 Implementation Issue has 7 facts recorded in Dontopedia across 1 reference.
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- Xenonfun
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ctx:discord/blah/safiersemantics/72- full textsafiersemantics-72text/plain2 KB
doc:agent/safiersemantics-72/ed67a7a2-21de-4492-a760-749e1ee367d2Show excerpt
[2026-02-21 13:58] xenonfun: ``` 1. Persistent fp16 (not cast-per-matmul) Our fp16 failed because mm() does 3 dtype casts per matmul × ~120 matmuls = 360 extra GPU kernels. Instead: cast once at the start of each layer, keep intermediat…
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