https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102943
--- Comment #7 from Jan Hubicka ---
this is compile time plot
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=227.270.8
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=289.270.8
(-O2 and -Ofast with lto)
Things has improved
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102943
--- Comment #6 from Aldy Hernandez ---
Can this be re-checked now that the forward threader has been dropped post-VRP?
BTW, please CC me on any compile-time hogs related to the threader, especially
if it's not SPEC related, as I've yet to hunt
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102943
--- Comment #5 from Martin Liška ---
Created attachment 51669
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51669=edit
Memory and CPU utilization with LTO (--enable-checking=release)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102943
Martin Liška changed:
What|Removed |Added
Last reconfirmed||2021-10-26
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102943
Andrew Pinski changed:
What|Removed |Added
CC||hubicka at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102943
--- Comment #3 from Richard Biener ---
And just in case it helps, perf for ltrans36
Samples: 1M of event 'cycles', Event count (approx.): 2082526448741
Overhead Samples Command Shared Object Symbol
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102943
--- Comment #2 from Richard Biener ---
The biggest LTRANS unit (36) also shows this:
df reaching defs : 56.27 ( 6%) 0.30 ( 9%) 57.56 ( 6%)
0 ( 0%)
df live regs : 101.65 ( 10%) 0.19 (
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102943
Richard Biener changed:
What|Removed |Added
CC||aldyh at gcc dot gnu.org
