linux-kernel - Re: [PATCH] x86: add more x86-64 micro-architecture levels

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Message-ID: <FF9779A964DEC399+20240916051449.126818-1-wangyuli@uniontech.com>
Date: Mon, 16 Sep 2024 13:14:49 +0800
From: WangYuli <wangyuli@...ontech.com>
To: therealgraysky@...ton.me
Cc: bp@...en8.de,
	dave.hansen@...ux.intel.com,
	hpa@...or.com,
	linux-kernel@...r.kernel.org,
	mingo@...hat.com,
	tglx@...utronix.de,
	x86@...nel.org,
	WangYuli <wangyuli@...ontech.com>
Subject: Re: [PATCH] x86: add more x86-64 micro-architecture levels

Yes, specifying '-march=x86-64-v3' can indeed yield significant performance improvements for CPUs that support it. I could confirm this.

Please allow me a few days, as I will provide a detailed test data report from my own tests after my vacation.

Given that such submissions 'pop up' in the mailing list from time to time, I hope this time we can see it through.

We should have a broad discussion, comprehensive testing and a calm judgment until we reach a final conclusion on whether this modification brings more benefits or drawbacks.

Link: https://github.com/graysky2/kernel_compiler_patch/issues/100
Suggested-by: WangYuli <wangyuli@...ontech.com>
Tested-by: WangYuli <wangyuli@...ontech.com>

Best regards,
--
WangYuli