Would be interesting to see a performance comparison across a range of values.
Geoff On Jun 7, 2012, at 11:34 AM, Zoltan Herczeg <[email protected]> wrote: >> What kind of optimization did you have in mind? > > A 3 line assembly code which mimic the old libc: > fld [src] (must be a double) > fsin > fst [dst] > > Not sure the best way of adding it to JSC. > > And we should also check which is correct: > > 32 bit fsin: > sin(6.2831853071795862) = -2.4492127076447545e-16 > > 64 bit software based fsin: > sin(6.2831853071795862) = -2.4492935982947064e-16 > > The difference is quite big. > > Regards, > Zoltan > > _______________________________________________ squirrelfish-dev mailing list [email protected] http://lists.webkit.org/mailman/listinfo.cgi/squirrelfish-dev
