Maxim Kuvyrkov wrote: > > On Nov 2, 2017, at 9:41 PM, Wilco Dijkstra <wilco.dijks...@arm.com> wrote: > > > > The Arm backend sets the default sched-pressure algorithm to > > SCHED_PRESSURE_MODEL. Benchmarking on AArch64 shows this > > speeds up floating point performance on SPEC - eg. CactusBSSN improves > > by ~16%. The gains are mostly due to less spilling, so enable this on > > AArch64 > > by default. > > Hi Wilco, > > Any notable regressions?
No, nothing that stands out. There were a few regressions on Cortex-A57 but none reproduced on Cortex-A72, so they are not real regressions. The gains do reproduce and instruction counts are lower (most binaries show a significant reduction in spills). Wilco
