05f9511582
FMADD/FMSUB/FNSUB are an efficient FP FMA instructions, which can be used by the compiler to improve FP performance. Erf 188.0n ± 2% 139.5n ± 2% -25.82% (p=0.000 n=10) Erfc 193.6n ± 1% 143.2n ± 1% -26.01% (p=0.000 n=10) Erfinv 244.4n ± 2% 172.6n ± 0% -29.40% (p=0.000 n=10) Erfcinv 244.7n ± 2% 173.0n ± 1% -29.31% (p=0.000 n=10) geomean 216.0n 156.3n -27.65% Ref: The RISC-V Instruction Set Manual Volume I: Unprivileged ISA 11.6 Single-Precision Floating-Point Computational Instructions Change-Id: I89aa3a4df7576fdd47f4a6ee608ac16feafd093c Reviewed-on: https://go-review.googlesource.com/c/go/+/506036 Reviewed-by: Joel Sing <joel@sing.id.au> Run-TryBot: M Zhuo <mzh@golangcn.org> Reviewed-by: David Chase <drchase@google.com> Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Keith Randall <khr@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> |
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