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From: Andrew Morton <akpm@linux-foundation.org>
To: Luigi Semenzato <semenzato@google.com>
Cc: linux-mm@kvack.org
Subject: Re: mm performance with zram
Date: Thu, 8 Jan 2015 22:30:24 -0800	[thread overview]
Message-ID: <20150108223024.da818218.akpm@linux-foundation.org> (raw)
In-Reply-To: <CAA25o9Sf62u3mJtBp_swLL0RS2Zb=EjZtWERJqyrbBpk7-bP-A@mail.gmail.com>

On Thu, 8 Jan 2015 14:49:45 -0800 Luigi Semenzato <semenzato@google.com> wrote:

> I am taking a closer look at the performance of the Linux MM in the
> context of heavy zram usage.  The bottom line is that there is
> surprisingly high overhead (35-40%) from MM code other than
> compression/decompression routines.

Those images hurt my eyes.

Did you work out where the time is being spent?

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  reply	other threads:[~2015-01-09  6:30 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-08 22:49 mm performance with zram Luigi Semenzato
2015-01-09  6:30 ` Andrew Morton [this message]
2015-01-09 16:45   ` Luigi Semenzato
2015-01-10  0:06     ` Joonsoo Kim
2015-01-10  0:19       ` Luigi Semenzato
2015-01-10  0:42         ` Joonsoo Kim
2015-01-13  9:18 ` Vlastimil Babka
2015-01-13 16:25   ` Luigi Semenzato

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