Messages in this thread | | | Date | Tue, 16 Aug 2011 12:49:28 +0530 | Subject | Re: x86 memcpy performance | From | melwyn lobo <> |
| |
> Yes, on 32-bit you're using the compiler-supplied version > __builtin_memcpy when CONFIG_KMEMCHECK=n and your gcc is of version 4 > and above. Reportedly, using __builtin_memcpy generates better code. > > Btw, my version of SSE memcpy is 64-bit only. > > -- > Regards/Gruss, > Boris. > >
We would rather use the 32 bit patch. Have you already got a 32 bit patch. How can I use sse3 for 32 bit. I don't think you have submitted 64 bit patch in the mainline. Is there still work ongoing on this.
Regards, Melwyn
| |