On 01/28/2018 12:41 PM, Emilio G. Cota wrote: > On Thu, Jan 25, 2018 at 12:59:56 +0000, Alex Bennée wrote: >> Howard Spoelstra <hsp.c...@gmail.com> writes: > (snip) >>> Recent tcg optimisations had improved processor and floating point >>> performance considerably, but that gain seems to be more than lost for >>> the floating point performance. >>> >>> Any idea what is causing this? >> >> Well we expected a little degradation but it's a bit more than I >> expected. > > It's pretty bad (almost a 2X mean slowdown) for the three FP workloads > in dbt-bench:
I have not yet tried dbt-bench, but on another test case I was able to recover all of the performance by marking all of the helpers inline. I'm somewhat disappointed by the compiler here. r~
