git/list[1] front-page[2] threads[3] people[4] search[5] about
 

Re: [PATCH] lookup_object(): Speed up 'git gc' by 12%, by reducing hash chain length

From
IMIngo Molnar <mingo@elte.hu>
Date
Apr 29, 2011, 09:50 UTC
Message-ID
<20110429095045.GA22919@elte.hu>
In-Reply-To
<BANLkTinGn0WFNm805PeWuTp+71yby1ySNw@mail.gmail.com>
* Sverre Rabbelier <srabbelier@gmail.com> wrote:
Show 10 quoted lines
> Heya,
> 
> On Fri, Apr 29, 2011 at 09:38, Ingo Molnar <mingo@elte.hu> wrote:
> >   16:      9,402,077,866 cycles:u                 #    2.987 GHz                      ( +-  0.20% )
> >
> > They are utterly unconvincing - there seems to be no improvement, it's all
> > within noise.
> 
> Is this in a different repository from the one you ran the numbers on
> initially, or did something else change to negate that 12.2% decrease?
Yes, a newer Git repository with more objects in it.
Thanks,
	Ingo
Previous: Sverre RabbelierNext: Shawn Pearce
Message 7 of 9 in “lookup_object(): Speed up 'git gc' by 12%, by reducing hash chain length”
  1. lookup_object(): Speed up 'git gc' by 12%, by reducing hash chain lengthIngo Molnar, Apr 27, 2011
  2. Ingo MolnarApr 29, 2011
  3. Junio C HamanoApr 29, 2011
  4. Ingo MolnarApr 29, 2011
  5. Ingo MolnarApr 29, 2011
  6. Sverre RabbelierApr 29, 2011
  7. Ingo MolnarApr 29, 2011
  8. Shawn PearceApr 29, 2011
  9. Avi KivityMay 1, 2011

Read the whole thread, see it on lore, or plain text.

$ cat FOOTERMessages come from the public archive at lore.kernel.org/git, fetched every hour. The front page is chosen and written each morning by an AI editor and can be wrong; the threads themselves are the record. About and API. For agents: an MCP server at https://gitlist.dev/mcp, and any thread, story or person page as Markdown by adding .md to its URL (or sending Accept: text/markdown). Details in /llms.txt.