From: Duy Nguyen Date: Thu, 26 Sep 2013 10:26:27 GMT Subject: Re: [PATCH v2 0/5] New hash table implementation Message-ID: In-Reply-To: <20130926101648.GD6615@paksenarrion.iveqy.com> On Thu, Sep 26, 2013 at 5:16 PM, Fredrik Gustafsson wrote: > On Tue, Sep 24, 2013 at 11:50:16AM +0200, Karsten Blees wrote: >> Tests can be reproduced with 'time echo "perfhash[map] 1000" | ./test-hashmap', see test-hashmap.c for definition of method flags. > > So I'm still curious about the actual performance improvements for git. > I runned git describe on the linux kernel with both the old hashmap and > this new one: > > ... > > I can't see any improvements at all here. What do I miss? Am I running > git describe in the wrong way? Does linux.git have too few tags to be > important? I wonder if it makes any difference if there are a lot more refs. I hear gerrit creates a lot but don't know how many. linux-2.6 has ~350 refs. How about increasing the number of refs to 3500 refs? -- Duy