https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102997
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- train data: Samples: 6K of event 'cycles', Event count (approx.): 7715838425 Overhead Samples Command Shared Object Symbol 5.68% 382 calculix_peak.a calculix_peak.amd64-m64-mine [.] insert.isra.0 3.89% 262 calculix_peak.a calculix_peak.amd64-m64-mine [.] isortii_ 2.36% 161 specperl specperl [.] Perl_hv_common 1.94% 132 calculix_peak.a calculix_peak.amd64-m64-mine [.] add_sm_st_ 1.69% 115 specperl specperl [.] S_regtry ref data: Samples: 601K of event 'cycles', Event count (approx.): 678304336437 Overhead Samples Command Shared Object Symbol 45.51% 274231 calculix_peak.a calculix_peak.amd64-m64-mine [.] e_c3d_.constprop.0 16.59% 100331 calculix_peak.a calculix_peak.amd64-m64-mine [.] DVdot33 7.91% 47070 calculix_peak.a calculix_peak.amd64-m64-mine [.] GPart_smoothYSep 3.54% 21391 calculix_peak.a calculix_peak.amd64-m64-mine [.] Chv_updateS 3.22% 19378 calculix_peak.a calculix_peak.amd64-m64-mine [.] add_sm_st_ 2.71% 16238 calculix_peak.a calculix_peak.amd64-m64-mine [.] SubMtx_sortColumnsUp 2.43% 14549 calculix_peak.a calculix_peak.amd64-m64-mine [.] IVqsortUp