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Re: [PATCH] ARM: Add Cortex-A15 optimized NEON and VFP memcpy routines, with IFUNC.
- From: OndÅej BÃlka <neleai at seznam dot cz>
- To: Will Newton <will dot newton at linaro dot org>
- Cc: libc-ports at sourceware dot org, patches at linaro dot org
- Date: Mon, 15 Apr 2013 12:23:27 +0200
- Subject: Re: [PATCH] ARM: Add Cortex-A15 optimized NEON and VFP memcpy routines, with IFUNC.
- References: <516BCEE5 dot 9070809 at linaro dot org> <CANu=DmhNPNDCy8mMw6q41+kA_WDMPRXWqq2kuzNOgfCB3wfQ6g at mail dot gmail dot com>
On Mon, Apr 15, 2013 at 11:01:37AM +0100, Will Newton wrote:
> Attached are a set of benchmarks of the new code versus the existing
> memcpy implementation on a Cortex-A15 platform.
>
As I wrote at previous thread:
On Thu, Apr 04, 2013 at 08:37:01AM +0200, OndÅej BÃlka wrote:
> Try also benchmark with real world data (20MB). I put it on
> http://kam.mff.cuni.cz/~ondra/dryrun_memcpy.tar.bz2
>
> To add neon copy test_generic.c file and add compiling neon
> implementation to benchmark script.
>
> It now only measures total time.
> I would need something like timestamp counter for more detailed
> results.
How good it fares on my benchmark?