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Re: Unexpectedly low read/write performance of open-pipe
From: |
Arne Babenhauserheide |
Subject: |
Re: Unexpectedly low read/write performance of open-pipe |
Date: |
Mon, 22 Apr 2019 20:39:03 +0200 |
User-agent: |
mu4e 1.2.0; emacs 26.1 |
Rob Browning <address@hidden> writes:
>> For something similar to the original python code and roughly similar to
>> open-pipe OPEN_BOTH (see code below) I see:
>> mb/s: 1713.26754296
> Here for "guile -s io-perf.scm > /dev/null" I see:
>
> 2.2.4: 1.39 mb/s >100% CPU in top
> your first proposal: 1453.49 mb/s >300% CPU in top
> this series: 3937.01 mb/s <80% CPU in top
Is this still on the same machine? If yes, then it would show a more
than 2x speedup cmpared to Python!
Best wishes,
Arne
--
Unpolitisch sein
heißt politisch sein
ohne es zu merken
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- Re: Unexpectedly low read/write performance of open-pipe, (continued)
- Re: Unexpectedly low read/write performance of open-pipe, Rob Browning, 2019/04/09
- Re: Unexpectedly low read/write performance of open-pipe, Mark H Weaver, 2019/04/09
- Re: Unexpectedly low read/write performance of open-pipe, Chris Vine, 2019/04/09
- Re: Unexpectedly low read/write performance of open-pipe, Mark H Weaver, 2019/04/09
- Re: Unexpectedly low read/write performance of open-pipe, Chris Vine, 2019/04/09
- Re: Unexpectedly low read/write performance of open-pipe, Mark H Weaver, 2019/04/09
- Re: Unexpectedly low read/write performance of open-pipe, Mark H Weaver, 2019/04/16
- Re: Unexpectedly low read/write performance of open-pipe, Mark H Weaver, 2019/04/09
- Re: Unexpectedly low read/write performance of open-pipe, Mark H Weaver, 2019/04/17
- Re: Unexpectedly low read/write performance of open-pipe, Rob Browning, 2019/04/21
- Re: Unexpectedly low read/write performance of open-pipe,
Arne Babenhauserheide <=
Re: Unexpectedly low read/write performance of open-pipe, tomas, 2019/04/23