This is the mail archive of the gcc-bugs@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[Bug ipa/79966] [6/7 Regression] run time more than twice slower when using -fipa-cp-clone


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79966

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-03-09
                 CC|                            |jamborm at gcc dot gnu.org,
                   |                            |marxin at gcc dot gnu.org
      Known to work|                            |5.3.0, 5.4.0
     Ever confirmed|0                           |1
      Known to fail|                            |5.2.0, 6.3.0, 7.0

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Confirmed. There are numbers for releases (OK means time < 0.15):

  4.7.0 (93c5ebd73a4d1626)(22 Mar 2012 07:11):  result: FAILED
0.520000041
  4.7.1 (0e3097e7d505b7be)(14 Jun 2012 08:32):  result: FAILED
0.508000016
  4.7.2 (c9b304ada7111264)(20 Sep 2012 06:54):  result: FAILED
0.512000024
  4.7.3 (f22940cb824859bd)(11 Apr 2013 07:57):  result: FAILED
0.516000032
  4.7.4 (ae10eb82fe34c186)(12 Jun 2014 12:08):  result: FAILED
0.515999913
  4.8.0 (e9c762ec4671d77e)(22 Mar 2013 10:05):  result: FAILED
0.300000012
  4.8.1 (caa62b4636bfed71)(31 May 2013 09:02):  result: FAILED
0.300000012
  4.8.2 (9bcca88e24e64d4e)(16 Oct 2013 07:20):  result: FAILED
0.300000012
  4.8.3 (6bbf0dec66c0e719)(22 May 2014 09:10):  result: FAILED
0.307999969
  4.8.4 (1a97fa0bb3fa5669)(19 Dec 2014 11:43):  result: FAILED
0.315999925
  4.8.5 (cf82a597b0d18985)(23 Jun 2015 07:54):  result: FAILED
0.324000061
  4.9.0 (a7aa383874520cd5)(22 Apr 2014 09:43):  result: FAILED
0.352000058
  4.9.1 (c6fa1b4126635939)(16 Jul 2014 10:04):  result: FAILED
0.356000006
  4.9.2 (c1283af40b65f1ad)(30 Oct 2014 08:27):  result: FAILED
0.359999955
  4.9.3 (876d41ed80ce13e0)(26 Jun 2015 17:57):  result: FAILED
0.368000031
  4.9.4 (d3191480f376c780)(03 Aug 2016 05:07):  result: FAILED
0.359999955
  5.1.0 (d5ad84b309d0d97d)(22 Apr 2015 08:43):  result: FAILED
0.23999995
  5.2.0 (7b26e3896e268cd4)(16 Jul 2015 09:13):  result: FAILED
0.23999995
  5.3.0 (2bc376d60753a58b)(04 Dec 2015 10:45):  result: OK
0.0920000076
  5.4.0 (9d0507742960aa9f)(03 Jun 2016 08:41):  result: OK
0.0920000076
  6.1.0 (c441d9e8e0438dcf)(27 Apr 2016 08:20):  result: FAILED
0.231999993
  6.2.0 (6ac74a62ba725829)(22 Aug 2016 08:01):  result: FAILED
0.244000018
  6.3.0 (4b5e15daff8b5444)(21 Dec 2016 07:51):  result: FAILED
0.232000053

Thus only 5.3.0 and 5.4.0 are fast. I'll isolate a commit that's responsible
for that.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]