On Aug 11, 2017 5:14 PM, "Kenneth Graunke" <kenn...@whitecape.org> wrote:
On Thursday, August 10, 2017 11:50:30 PM PDT Tapani Pälli wrote: > I do wonder what the target machine is (I haven't seen one that would > not have ARCH_X86_HAVE_SSE4_1 true, both 32bit and 64bit) but falling > back to memcpy makes perfect sense without USE_SSE4_1; > > Reviewed-by: Tapani Pälli <tapani.pa...@intel.com> I agree - you really want SSE 4.1 support for decent performance on Atoms. The MOVNTDQA texture upload path, for example, gave us some really big performance gains on some ChromeOS workloads. So, while we should patch this, it'd still be worth figuring out if it's possible to enable it in Android-x86. --Ken Hi, I checked on nougat-x86 build 32bit and the patches are Ok. The users of android-x86 have the option to build with silvermont.mk and later to have an optimized build, but we currently try to support SSE3 devices. GNU/Linux distributions for desktop, like their kernel, may have that goal too. Thanks M.
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