public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "steven at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/18687] [4.0 Regression] ~50% compile time regression
Date: Sun, 30 Jan 2005 22:53:00 -0000	[thread overview]
Message-ID: <20050130225351.27009.qmail@sourceware.org> (raw)
In-Reply-To: <20041127043006.18687.belyshev@depni.sinp.msu.ru>


------- Additional Comments From steven at gcc dot gnu dot org  2005-01-30 22:53 -------
Profile for hashes100.c on an x86-64 with "-O2 -m32": 
 
CPU: Hammer, speed 1394.98 MHz (estimated) 
Counted CPU_CLK_UNHALTED events (Cycles outside of halt state) with a unit 
mask of 0x00 (No unit mask) count 4000 
Counted DATA_CACHE_MISSES events (Data cache misses) with a unit mask of 0x00 
(No unit mask) count 1000 
samples  %        samples  %        image name       symbol name 
27235     2.3397  158       0.5518  cc1              constrain_operands 
21936     1.8845  53        0.1851  cc1              record_reg_classes 
21735     1.8672  399       1.3936  cc1              reg_scan_mark_refs 
20966     1.8012  1179      4.1179  libc.so.6        __GI_memset 
20786     1.7857  418       1.4600  cc1              ggc_alloc_stat 
20199     1.7353  168       0.5868  cc1              fold 
18374     1.5785  589       2.0572  libc.so.6        _int_malloc 
16467     1.4147  177       0.6182  cc1              iterative_hash_expr 
15562     1.3369  324       1.1316  cc1              htab_find_slot_with_hash 
15080     1.2955  842       2.9409  cc1              note_stores 
13709     1.1777  78        0.2724  cc1              find_reloads 
13054     1.1214  45        0.1572  cc1              nonzero_bits1 
12297     1.0564  84        0.2934  cc1              mark_used_regs 
11402     0.9795  68        0.2375  cc1              refers_to_regno_p 
11335     0.9738  95        0.3318  cc1              cse_insn 
11088     0.9526  71        0.2480  cc1              ix86_decompose_address 
10401     0.8935  70        0.2445  cc1              for_each_rtx_1 
9731      0.8360  354       1.2364  cc1              count_reg_usage 
9176      0.7883  202       0.7055  cc1              bitmap_set_bit 
8578      0.7369  284       0.9919  cc1              bitmap_bit_p 
8137      0.6990  208       0.7265  cc1              extract_insn 
8019      0.6889  30        0.1048  cc1             
reload_cse_simplify_operands 
7755      0.6662  541       1.8896  cc1              pool_alloc 
7341      0.6307  143       0.4995  cc1              et_splay 
6992      0.6007  319       1.1142  cc1              init_alias_analysis 
 
 

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18687


  parent reply	other threads:[~2005-01-30 22:53 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20041127043006.18687.belyshev@depni.sinp.msu.ru>
2004-12-22 21:50 ` belyshev at depni dot sinp dot msu dot ru
2005-01-28  0:55 ` steven at gcc dot gnu dot org
2005-01-30 22:53 ` steven at gcc dot gnu dot org [this message]
2005-01-30 22:55 ` steven at gcc dot gnu dot org
2005-01-30 23:42 ` steven at gcc dot gnu dot org
2005-02-08 13:54 ` rakdver at gcc dot gnu dot org
2005-02-09  0:48 ` rakdver at gcc dot gnu dot org
2005-02-10  6:28 ` cvs-commit at gcc dot gnu dot org
2005-02-10  9:49 ` pinskia at gcc dot gnu dot org
2005-02-10 20:32 ` belyshev at depni dot sinp dot msu dot ru
2005-04-21  5:06 ` [Bug tree-optimization/18687] [4.0/4.1 " mmitchel at gcc dot gnu dot org
2005-07-08  1:44 ` mmitchel at gcc dot gnu dot org
2005-08-17 13:11 ` bonzini at gcc dot gnu dot org
2005-08-17 16:25 ` belyshev at depni dot sinp dot msu dot ru
2005-09-27 16:25 ` mmitchel at gcc dot gnu dot org
2004-11-27  4:30 [Bug tree-optimization/18687] New: [4.0 " belyshev at lubercy dot com
2004-11-27  4:31 ` [Bug tree-optimization/18687] " belyshev at lubercy dot com
2004-11-27  4:32 ` belyshev at lubercy dot com
2004-11-27  4:42 ` pinskia at gcc dot gnu dot org
2004-11-27 15:47 ` pinskia at gcc dot gnu dot org
2004-11-27 18:44 ` belyshev at lubercy dot com
2004-11-30 13:09 ` pinskia at gcc dot gnu dot org
2004-11-30 13:11 ` pinskia at gcc dot gnu dot org
2004-11-30 14:32 ` pinskia at gcc dot gnu dot org
2004-11-30 14:57 ` pinskia at gcc dot gnu dot org
2004-11-30 15:17 ` pinskia at gcc dot gnu dot org
2004-12-02 14:06 ` pinskia at gcc dot gnu dot org
2004-12-02 15:27 ` pinskia at gcc dot gnu dot org
2004-12-03  0:24 ` belyshev at lubercy dot com

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20050130225351.27009.qmail@sourceware.org \
    --to=gcc-bugzilla@gcc.gnu.org \
    --cc=gcc-bugs@gcc.gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).