Wilco Dijkstra writes:
> Hi Richard,
>
>> The problem is that you're effectively asking for these values to be
>> taken on faith without providing any analysis and without describing
>> how you arrived at the new numbers. Did you try other values too?
>> If so, how did they compare with the numbe
Hi Richard,
> The problem is that you're effectively asking for these values to be
> taken on faith without providing any analysis and without describing
> how you arrived at the new numbers. Did you try other values too?
> If so, how did they compare with the numbers that you finally chose?
> At
On 19 October 2021 15:23:58 CEST, Richard Sandiford via Gcc-patches
wrote:
>Wilco Dijkstra writes:
>> Hi Richard,
>>
>>> I'm just concerned that here we're using the same explanation but with
>>> different numbers. Why are the new numbers more right than the old ones
>>> (especially when it com
Wilco Dijkstra writes:
> Hi Richard,
>
>> I'm just concerned that here we're using the same explanation but with
>> different numbers. Why are the new numbers more right than the old ones
>> (especially when it comes to code size, where the trade-off hasn't
>> really changed)?
>
> Like all tuning
Hi Richard,
> I'm just concerned that here we're using the same explanation but with
> different numbers. Why are the new numbers more right than the old ones
> (especially when it comes to code size, where the trade-off hasn't
> really changed)?
Like all tuning/costing parameters, these values
Wilco Dijkstra writes:
> Tune the case-values-threshold setting for modern cores. A value of 11
> improves
> SPECINT2017 by 0.2% and reduces codesize by 0.04%. With -Os use value 8 which
> reduces codesize by 0.07%.
>
> Passes regress, OK for commit?
>
> ChangeLog:
>
> 2021-10-18 Wilco Dijkstr
Tune the case-values-threshold setting for modern cores. A value of 11 improves
SPECINT2017 by 0.2% and reduces codesize by 0.04%. With -Os use value 8 which
reduces codesize by 0.07%.
Passes regress, OK for commit?
ChangeLog:
2021-10-18 Wilco Dijkstra
* config/aarch64/aarch64.c (
