On Mon, Sep 25, 2017 at 1:46 PM, Richard Biener <rguent...@suse.de> wrote: > On Mon, 25 Sep 2017, Richard Biener wrote: > >> On Fri, 22 Sep 2017, Richard Biener wrote: >> >> > >> > This simplifies canonicalize_loop_closed_ssa and does other minimal >> > TLC. It also adds a testcase I reduced from a stupid mistake I made >> > when reworking canonicalize_loop_closed_ssa. >> > >> > Bootstrapped and tested on x86_64-unknown-linux-gnu, applied to trunk. >> > >> > SPEC CPU 2006 is happy with it, current statistics on x86_64 with >> > -Ofast -march=haswell -floop-nest-optimize are >> > >> > 61 loop nests "optimized" >> > 45 loop nest transforms cancelled because of code generation issues >> > 21 loop nest optimizations timed out the 350000 ISL "operations" we allow >> >> Overall compile time (with -j6) is 695 sec. w/o -floop-nest-optimize >> and 709 sec. with (this was with release checking). >> >> A single-run has 416.gamess (580s -> 618s), >> 436.cactusADM (206s -> 182s), 437.leslie3d (228s ->218s), >> 450.soplex (229s -> 226s), 465.tonto (428s -> 425s), 401.bzip2 (383s -> >> 379s), 462.libquantum (352s -> 343s), ignoring +-2s changes. Will >> do a 3-run for those to confirm (it would be only a single regression >> for 416.gamess). > > 416.gamess regression confirmed, 450.soplex improvement as well, 436/437 improvements? 450.soplex (229s -> 226s) loops like noise.
Thanks, bin > in the three-run 462.libquantum regresses (344s -> 351s) so I suppose > that's noise. > > Richard.
