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 _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest
