[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Bug#572746: libm: sinf/cosf performance is awful on amd64

Jerome Vizcaino a écrit :
> What do you mean sinf/cosf is supposed to be twice faster ?
> You're mentionning calling it with bound values ?

Yes, with the current code and bounded values, it is twice faster. This
is not the case anymore with the assembly code, as the same FPU
instruction (fcos/fsin/fsincos) is used for the three versions (float,
double, long double).

Aurelien Jarno                          GPG: 1024D/F1BCDB73
aurelien@aurel32.net                 http://www.aurel32.net

Reply to: