On 2015/02/19 20:32:38, Hannes Payer wrote:
On 2015/02/19 18:26:49, michael_dawson wrote:
> On 2015/02/19 17:47:24, Hannes Payer wrote:
> > What is the performance impact of that change? And why does it improve
> > performance? I guess you observe the benefit of having an initial
larger
> > semi-space size (4M). Instead of increasing the page size, you could
start
> with
> > a larger semi-space size on ppc.
>
> When enabled with other performance optmizations, increasing the
pagesize
got
> us 1-2%. Since the machine page size is larger for PPC (64k) the
guard/metadata
> pages consume a larger portion of the default 1MB heap page size.
1-2% on which benchmarks?
how does it compare to 1M pages with a --min-semi-space-size=4?
It was 1-2% on octane. We'll have to try out with --min-semi-space-size=4
and
compare
https://codereview.chromium.org/910333004/
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