Re: [PATCH 1/2] arm64:vdso: Rewrite gettimeofday into C.

From: Catalin Marinas
Date: Mon Apr 24 2017 - 11:21:19 EST


On Sun, Apr 23, 2017 at 04:47:00PM -0700, Andrew Pinski wrote:
> This allows the compiler to optimize the divide by 1000.
> And remove the other divide.
>
> On ThunderX, gettimeofday improves by 32%. On ThunderX 2,
> gettimeofday improves by 18%.

Is this with or without the second patch (removing the ISB)?

--
Catalin