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Date: Fri, 10 Apr 2020 08:32:38 +0200
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From: paul zimmermann <Paul.Zimmermann@inria.fr>
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>
CC: libc-alpha@sourceware.org
In-reply-to: <20200409195945.10393-2-adhemerval.zanella@linaro.org> (message
 from Adhemerval Zanella on Thu, 9 Apr 2020 16:59:42 -0300)
Subject: Re: [PATCH 2/5] math: Optimized generic exp10f with wrappers
References: <20200409195945.10393-1-adhemerval.zanella@linaro.org>
 <20200409195945.10393-2-adhemerval.zanella@linaro.org>
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       Dear Adhemerval,

> Result for x86_64 (i7-4790K CPU @ 4.00GHz) are:
> 
> Before new code:
>   "exp10f": {
>    "": {
>     "duration": 1.00923e+09,
>     "iterations": 5.4832e+07,
>     "max": 249.361,
>     "min": 12.5,
>     "mean": 18.4059
>    }
> 
> With new code:
>   "exp10f": {
>    "": {
>     "duration": 9.7639e+08,
>     "iterations": 8.1056e+07,
>     "max": 563.323,
>     "min": 11.54,
>     "mean": 12.0459
>    }
> 
> Result for aarch64 (A72 @ 2GHz) are:
> 
> Before new code:
>   "exp10f": {
>    "": {
>     "duration": 1.00923e+09,
>     "iterations": 5.4832e+07,
>     "max": 249.361,
>     "min": 12.5,
>     "mean": 18.4059
>    }
> 
> With new code:
>   "exp10f": {
>    "": {
>     "duration": 9.7639e+08,
>     "iterations": 8.1056e+07,
>     "max": 563.323,
>     "min": 11.54,
>     "mean": 12.0459
>    }

the timings for x86_64 and aarch64 are identical.
A copy/paste error?

Paul