linux-kernel - RE: [PATCH][next] ACPI: align slab for improved memory performance

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Message-ID: <CY8PR11MB7747089744F68731C92A45188D862@CY8PR11MB7747.namprd11.prod.outlook.com>
Date: Tue, 13 Aug 2024 11:31:46 +0000
From: "King, Colin" <colin.king@...el.com>
To: Paul Menzel <pmenzel@...gen.mpg.de>
CC: "Rafael J . Wysocki" <rafael@...nel.org>, Len Brown <lenb@...nel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Steven Rostedt
	<rostedt@...dmis.org>
Subject: RE: [PATCH][next] ACPI: align slab for improved memory performance

Hi Paul,

Tested on a i9-12900 desktop, AMI A.92 BIOS, Micro-Star MS-7D25 system board, 32GB ram, PCI-e SSD and UEFI boot. Results were a derived from a mean of the 100 runs.

Colin

-----Original Message-----
From: Paul Menzel <pmenzel@...gen.mpg.de> 
Sent: Tuesday, August 13, 2024 12:23 PM
To: King, Colin <colin.king@...el.com>
Cc: Rafael J . Wysocki <rafael@...nel.org>; Len Brown <lenb@...nel.org>; linux-acpi@...r.kernel.org; linux-kernel@...r.kernel.org; Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH][next] ACPI: align slab for improved memory performance

Dear Colin,


Am 13.08.24 um 12:17 schrieb King, Colin:

> Thanks for the testing. How many iterations of the test did you do?

Two times.

> I ran mine 100 times with each config to get a reliable set of 
> measurements.

What system did you test with? Were the times with the alignment always lower?


Kind regards,

Paul