From: Brandon Casey <casey@nrlssc.navy.mil>
Date: Tue, 16 Jun 2009 17:35:25 GMT
Subject: Re: git diff looping?
Message-ID: <RFQLUdKWnVWgwwX0qsqUhC-pl9v39aFOKMpTbbABiCEXczTo26fVow@cipher.nrlssc.navy.mil>
In-Reply-To: <20090616171531.GA17538@coredump.intra.peff.net>

Jeff King wrote:
> On Tue, Jun 16, 2009 at 09:51:24AM -0700, Junio C Hamano wrote:
> 
>>> I can reproduce the problem on Solaris 8 using git v1.6.3. It seems to
>>> be caused by a horribly slow system regex implementation; it really
>>> chokes on the regex we use to find the "funcname" line for java files.
>> Hmm.  Is running under LC_ALL=C LANG=C _with_ the slow system regex help?
> 
> No, it remains extremely slow (it is possible that it _is_ faster,
> though, but I never managed to run either case to completion; they are
> both clearly orders of magnitude off of acceptable).

I haven't tried setting LC_ALL, LANG, but this Solaris regex is MANY orders
of magnitude slower.  I've been running your example diff on the egit
repository for 2 hours and it still hasn't finished.  The compat/regex
version finished in 3 seconds.  Solaris 10 x86.

-brandon