This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: big slowdown in egcs-1.1.2->gcc-2.95 on alpha
- To: rth@cygnus.com (Richard Henderson)
- Subject: Re: big slowdown in egcs-1.1.2->gcc-2.95 on alpha
- From: Brad Lucier <lucier@math.purdue.edu>
- Date: Sat, 7 Aug 1999 10:27:11 -0500 (EST)
- Cc: lucier@math.purdue.edu (Brad Lucier), amylaar@cygnus.co.uk (Joern Rennecke), gcc@gcc.gnu.org, gcc-bugs@gcc.gnu.org, staff@math.purdue.edu, hosking@cs.purdue.edu, wilker@math.purdue.edu, bernds@cygnus.com, gcc-patches@gcc.gnu.org
>
> On Fri, Aug 06, 1999 at 11:27:32PM -0500, Brad Lucier wrote:
> > Each sample counts as 0.000976562 seconds.
> > % cumulative self self total
> > time seconds seconds calls ms/call ms/call name
> > 35.63 55.32 55.32 16 3457.52 3458.44 prune_preferences
> > 12.51 74.75 19.43 391960848 0.00 0.00 bitmap_bit_p
>
> The following should kill bitmap_bit_p from the interesting
> functions.
Right on ...
Flat profile:
Each sample counts as 0.000976562 seconds.
% cumulative self self total
time seconds seconds calls ms/call ms/call name
44.25 56.94 56.94 16 3558.59 3559.59 prune_preferences
8.93 68.43 11.49 202789 0.06 0.06 record_one_conflict
2.05 71.07 2.64 40979048 0.00 0.00 bitmap_bit_p
1.88 73.49 2.42 8 303.10 16018.62 yyparse
1.67 75.65 2.15 27806760 0.00 0.00 count_pseudo
1.58 77.68 2.03 15315 0.13 0.47 order_regs_for_reload
Brad Lucier lucier@math.purdue.edu