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Re: [Monotone-devel] Speedup chances
From: |
Christof Petig |
Subject: |
Re: [Monotone-devel] Speedup chances |
Date: |
Sun, 04 May 2008 13:59:40 +0200 |
User-agent: |
Thunderbird 2.0.0.12 (X11/20080227) |
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Markus Schiltknecht schrieb:
> Hi,
>
> Christof Petig wrote:
>> I tested Thursday's net.venge.monotone with binary ids and I don't know
>> about cached pipes. But this should be easy to speed up (especially
>> given that, according to Lapo, there is/was a specialized 40 digit hex
>> decoder in monotone written by Graydon.
>
> Ah, okay, so that's certainly with Zack's cached pipes. Did you test
> with '--debug'? That's doing lots more hex encoding (not decoding, though).
>
> Some questions that arise here: Why is that specialized hex decoder so
> much faster that what's in botan? Does it have to be limited to 40
> digits? Can the botan decoder be sped up?
The problem at hand is the malloc and memset overhead introduced by
using a dynamic buffer.
The botan decoder might as well be used by the specialized functions
which give 40% speedup, but I was unable to decode the botan manual.
Christof
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- [Monotone-devel] Speedup chances, Christof Petig, 2008/05/02
- Re: [Monotone-devel] Speedup chances, Jack Lloyd, 2008/05/02
- Re: [Monotone-devel] Speedup chances, Markus Schiltknecht, 2008/05/03
- Re: [Monotone-devel] Speedup chances, Christof Petig, 2008/05/04
- Re: [Monotone-devel] Speedup chances,
Christof Petig <=
- Re: [Monotone-devel] Speedup chances, Markus Schiltknecht, 2008/05/05
- Re: [Monotone-devel] Speedup chances, Christof Petig, 2008/05/05
- [Monotone-devel] Re: Speedup chances, Lapo Luchini, 2008/05/05
- Re: [Monotone-devel] Re: Speedup chances, Jack Lloyd, 2008/05/05
- Re: [Monotone-devel] Speedup chances, Eric Anderson, 2008/05/05
- Re: [Monotone-devel] Speedup chances, Markus Schiltknecht, 2008/05/06
- Re: [Monotone-devel] Speedup chances, Eric Anderson, 2008/05/08
- Re: [Monotone-devel] Speedup chances, Jack Lloyd, 2008/05/08
- Re: [Monotone-devel] Speedup chances, Markus Schiltknecht, 2008/05/08
- Re: [Monotone-devel] Speedup chances, Jack Lloyd, 2008/05/08