------- Comment #10 from dberlin at gcc dot gnu dot org 2007-02-13 16:17 ------- Subject: Re: possible quadratic behaviour.
On 13 Feb 2007 10:37:55 -0000, pluto at agmk dot net <[EMAIL PROTECTED]> wrote: > > > ------- Comment #9 from pluto at agmk dot net 2007-02-13 10:37 ------- > (In reply to comment #8) > > Does this work on mainline with no real issue? > > > > If so, i'll try to backport the solver changes. > > > > gcc43 works faster, but still needs lot of memory. Yeah, but you need to show me that the reason it needs a lot of memory is due to pta: > > (...) > tree PTA : 1.33 ( 2%) usr 0.01 ( 1%) sys 1.41 ( 2%) wall > 10753 kB ( 2%) ggc > tree alias analysis : 14.10 (21%) usr 0.08 ( 8%) sys 14.75 (21%) wall > 55882 kB (10%) ggc > (...) > TOTAL : 68.67 1.03 71.55 > 537971 kB > Except that 55 meg and 10 meg of 512meg of gc memory is not a lot, relatively speaking (It's not like it's 90% of the ggc memory or something). Also, alias analysis and PTA use heap memory that will not show up here. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30052
