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Date: Fri, 27 Oct 2006 14:55:07 -0400 From: "Holden Karau" <holden@...scanfly.ca> To: "Nick Piggin" <nickpiggin@...oo.com.au> Cc: "Josef Sipek" <jsipek@....cs.sunysb.edu>, hirofumi@...l.parknet.co.jp, linux-kernel@...r.kernel.org, holdenk@...dros.com, "akpm@...l.org" <akpm@...l.org>, linux-fsdevel@...r.kernel.org Subject: Re: [PATCH 1/1] fat: improve sync performance by grouping writes in fat_mirror_bhs [really unmangled] Based on some rather off-the cuff bench marking I've done I get around a 5 to 10% performance improve over the stock 2.6.18.1 performance. As the saying goes, there are lies, damn lies, and bench marks, so YMMV. On 10/26/06, Nick Piggin <nickpiggin@...oo.com.au> wrote: > Holden Karau wrote: > > From: Holden Karau <holden@...scanfly.ca> http://www.holdenkarau.com > > > > This is an attempt at improving fat_mirror_bhs in sync mode [namely it > > writes all of the data for a backup block, and then blocks untill > > finished]. The old behaviour would write & block in smaller chunks, so > > this should be slightly faster. It also removes the fixme requesting > > that it be fixed to behave this way :-) > > Signed-off-by: Holden Karau <holden@...scanfly.ca> http://www.holdenkarau.com > > So how much is performance improved? > > -- > SUSE Labs, Novell Inc. > Send instant messages to your online friends http://au.messenger.yahoo.com > > -- Cell: 613-276-1645 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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