Re: Performance issue of 'git branch'

From: Avi Kivity <avi@redhat.com>
Date: Jul 26, 2009, 17:07 UTC
Message-ID: <4A6C8D3B.101@redhat.com>
In-Reply-To: <20090724225917.GA11191@spearce.org>

On 07/25/2009 01:59 AM, Shawn O. Pearce wrote:

Show 18 quoted lines

> Theodore Tso<tytso@mit.edu>  wrote:
>    
>> On Fri, Jul 24, 2009 at 02:21:20PM -0700, Linus Torvalds wrote:
>>      
>>> I wonder if there is some way to only load the crazy curl stuff when we
>>> actually want open a http: connection.
>>>        
>> Well, we could use dlopen(), but I'm not sure that qualifies as a
>> _sane_ solution --- especially given that there are approximately 15
>> interfaces used by git, that we'd have to resolve using dlsym().
>>      
>
> Yea, that's not sane.
>
> Probably the better approach is to have git fetch and git push be a
> different binary from main git, so we only pay the libcurl loading
> overheads when we hit transport.
>

Or make the transports shared libraries, and use dlopen() to open the transport and dlsym() to resolve the struct transport object exported by the library.

-- 
error compiling committee.c: too many arguments to function