> -----Original Message----- > From: Ralf Wildenhues [mailto:[EMAIL PROTECTED] > Sent: den 13 september 2008 15:15 > To: Joakim Tjernlund > Cc: automake@gnu.org > Subject: Re: upgrading from Automake 1.4 > > * Joakim Tjernlund wrote on Sat, Sep 13, 2008 at 02:23:17PM CEST: > > > > Moving from automake 1.4 to 1.10.1 I notice a big increase in runtime > > for automake. previously with 1.4 I got around 30 seconds, not I get > > 3 minutes and 45 seconds. is this normal? Can it be reduced somehow? > > Good question. I'm afraid to say that, not knowing any better, neither > remembering efforts to speed up automake, it is probably "normal". > > We have looked at speeding up parts of Autoconf and Libtool before, but > neglected Automake, for my part mostly out of laziness: the other two > had quite a few rather low-hanging fruits to pick. > > That said, I have measured at one time that for one large package with > lots of Automake conditionals and many makefiles (OpenMPI), I am aware > that automake spends a lot of time in the code that deals with the > conditionals. It hasn't bothered me enough yet to look in more detail, > though. > > Since your code could be exhibiting a different hot spot, and since your > code provides a unique chance to compare 1.4 and 1.10 performance rather > easily, would you be so kind and make available the 1.4- and the > 1.10-using versions of your package for testing automake performance? > I can't promise when I get to it, but it seems worth a look.
hmm, depends on what you need. I can get you the Makefile.am files(there are a lot of them) but not the whole source tree. FYI, 1.8 also runs slow, about the same as 1.10 Older(1.5 and 1.6) automake SEGV Jocke