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Re: Fast access git-rev-list output: some OS knowledge required

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From: Marco Costalba <mcostalba@...>
To: Shawn Pearce <spearce@...>
Cc: Git Mailing List <git@...>
Subject: Re: Fast access git-rev-list output: some OS knowledge required
Date: Wednesday, December 6, 2006 - 4:08 pm

On 12/6/06, Shawn Pearce <spearce@spearce.org> wrote:

Qt it's very fast in reading from files, also git-rev-list is fast in
write to a file...the problem is I would not want the file to be saved
on disk, but stay cached in the OS memory for the few seconds needed
to be written and read back, and then deleted. It's a kind of shared
memory at the end. But I don't know how to realize it.

Also let git-rev-list to write directly in qgit process address space
would be nice, indeed very nice.


Marco
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Messages in current thread:
Fast access git-rev-list output: some OS knowledge required, Marco Costalba, (Wed Dec 6, 3:24 pm)
Re: Fast access git-rev-list output: some OS knowledge requi..., Shawn Pearce, (Wed Dec 6, 3:28 pm)
Re: Fast access git-rev-list output: some OS knowledge requi..., Johannes Schindelin, (Wed Dec 6, 7:27 pm)
Re: Fast access git-rev-list output: some OS knowledge requi..., Linus Torvalds, (Wed Dec 6, 8:47 pm)
Re: Fast access git-rev-list output: some OS knowledge requi..., Marco Costalba, (Thu Dec 7, 2:46 am)
Re: Fast access git-rev-list output: some OS knowledge requi..., Marco Costalba, (Wed Dec 6, 3:34 pm)
Re: Fast access git-rev-list output: some OS knowledge requi..., Shawn Pearce, (Wed Dec 6, 3:42 pm)
Re: Fast access git-rev-list output: some OS knowledge requi..., Shawn Pearce, (Wed Dec 6, 3:51 pm)
Re: Fast access git-rev-list output: some OS knowledge requi..., Andreas Ericsson, (Thu Dec 7, 9:25 am)
Re: Fast access git-rev-list output: some OS knowledge requi..., Marco Costalba, (Fri Dec 8, 2:34 pm)
Re: Fast access git-rev-list output: some OS knowledge requi..., Michael K. Edwards, (Fri Dec 8, 4:10 pm)
Re: Fast access git-rev-list output: some OS knowledge requi..., Marco Costalba, (Sat Dec 9, 8:15 am)
Re: Fast access git-rev-list output: some OS knowledge requi..., Johannes Schindelin, (Thu Dec 7, 10:53 am)
Re: Fast access git-rev-list output: some OS knowledge requi..., Andreas Ericsson, (Thu Dec 7, 11:28 am)
Re: Fast access git-rev-list output: some OS knowledge requi..., Johannes Schindelin, (Thu Dec 7, 12:01 pm)
Re: Fast access git-rev-list output: some OS knowledge requi..., Marco Costalba, (Wed Dec 6, 4:08 pm)
Re: Fast access git-rev-list output: some OS knowledge requi..., Shawn Pearce, (Wed Dec 6, 4:18 pm)