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Re: [lmi] Benchmarking: gcc-8 beats gcc-10 soundly?

From: Greg Chicares
Subject: Re: [lmi] Benchmarking: gcc-8 beats gcc-10 soundly?
Date: Sat, 19 Sep 2020 23:43:47 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0

On 2020-09-19 22:04, Vadim Zeitlin wrote:
>  Yes, I don't think it would be such a great idea to submit entire lmi to
> gcc Bugzilla. So I think we should do the following:
> 1. Check if we can see the regression under Linux too because:
>  (a) I think gcc developers would pay more attention to something which
>      is not MSW/MinGW-specific.
>  (b) We could use perf under Linux and maybe find some smoking gun without
>      doing anything else and, if all else fails, they did say that we could
>      submit perf results even if we can't reduce the test case.
> 2. Spend some time trying to produce a reasonably small test case.
>  Would you approve of this plan?

Yes, wholeheartedly.

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