[Interest] Qt and SSE2

Marian Beermann public at enkore.de
Fri Feb 9 18:58:35 CET 2018


SSE et al are mostly helpful if you have code either using these
instructions directly (assembly, intrinsics) or being written in a way
that the optimizer can easily take advantage of (see what Thiago wrote).

For general application code they generally do very little if anything
by themselves.

-Marian

On 02/09/2018 05:15 PM, Eric Lemanisser wrote:
> Qt is built with SSE2 by default since 5.3.0. Is there a reason for not
> enabling by default SSE2 for application compilation ? If not I'll start
> working on a change doing that.
> Also, any plan migrating to SSE3 or SSSE3 ?
> 
> Eric Lemanissier



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