The email you cite is for integers. Integer math is not performed by the fpu - so it is not the same.
> On Apr 22, 2019, at 12:57 AM, lgod...@gmail.com wrote: > > I note that this issue has been dealt with in a previous post > https://groups.google.com/forum/#!topic/golang-nuts/n12khle-mlY > The gist of which seems to suggest that 32-bit is faster than 64 > >> On Sunday, April 21, 2019 at 10:09:09 PM UTC-4, Robert Engels wrote: >> At least on intel, float64 should be faster than float32 since all math is >> done on the fpu in 64 bits, so it needs to be converted, but the memory bus >> also comes into play. >> >> I would doubt it. Float32 is designed for size not performance. >> >>> On Apr 21, 2019, at 8:55 PM, lgo...@gmail.com wrote: >>> >>> ?? On 64-bit CPUs does anyone have any experience comparing the run-time >>> speed of float64 based calculations vs float32 ? >>> >>> Some of my C-code when translated to Go-code seems to run noticeably >>> slower, so I'm wondering if I can speed things up by converting float vars >>> to float32 vs float64 >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "golang-nuts" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to golan...@googlegroups.com. >>> For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
