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by adgjlsfhk1
1386 days ago
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"FMA also only increases numerical accuracy, it doesn't decrease numerical accuracy". This strictly speaking isn't true. For example, xx-yy will sometimes be more accurate than fma(x,x, -y*y) (e.g. if x==y). That said, I agree that fma is different from the rest in that it will on average, usually, increase accuracy. |
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