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Re: Fast forward-backward (write-read)

From Paul Rubin <no.email@nospam.invalid>
Newsgroups comp.lang.python
Subject Re: Fast forward-backward (write-read)
References <5086AA35.4000509@it.uu.se> <5086C156.40707@tim.thechases.com> <5086D13F.80006@it.uu.se> <5086DA4D.4060204@tim.thechases.com> <mailman.2683.1351018926.27098.python-list@python.org>
Date 2012-10-23 16:46 -0700
Message-ID <7xr4ooah0t.fsf@ruckus.brouhaha.com> (permalink)
Organization Nightsong/Fort GNOX

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Virgil Stokes <vs@it.uu.se> writes:
> Yes, I do wish to inverse the order,  but the "forward in time" file
> will be in binary.

I really think it will be simplest to just write the file in forward
order, then use mmap to read it one record at a time.  It might be
possible to squeeze out a little more performance with reordering tricks
but that's the first thing to try.

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Thread

Re: Fast forward-backward (write-read) Virgil Stokes <vs@it.uu.se> - 2012-10-23 20:37 +0200
  Re: Fast forward-backward (write-read) Paul Rubin <no.email@nospam.invalid> - 2012-10-23 16:46 -0700
    Re: Fast forward-backward (write-read) Dave Angel <d@davea.name> - 2012-10-28 07:18 -0400
    Re: Fast forward-backward (write-read) Virgil Stokes <vs@it.uu.se> - 2012-10-28 15:20 +0100
    Re: Fast forward-backward (write-read) Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2012-10-28 18:21 +0000
    Re: Fast forward-backward (write-read) Virgil Stokes <vs@it.uu.se> - 2012-10-28 23:36 +0100

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