Re: ARM GCC 8.x Performance Dropping Compared to Linaro GCC 7.x

On Fri, Aug 23, 2019 at 2:15 AM Maxim Kuvyrkov maxim.kuvyrkov@linaro.org wrote:

... The other 1/3 will require much more work -- neon intrinsics needs to be converted from inline asms to GCC builtins, so that we can attach scheduler descriptions to them.

Please do.

I know of at least two libraries that heavily rely on ARMv8 intrinsics in some areas. Performance is better than C/C++, but it is kind of flat overall. Stack Overflow also has several questions about poor intrinsics performance on ARM.

Jeff