On 6/19/19 7:15 AM, Martin Liška wrote:
> Hi.
>
> The patch is about decrease of verification limit. I collected following
> statistics:
>
> godot WPA:
>
> hash-table-verification-limit=0: 66s
> hash-table-verification-limit=10: 69s
> hash-table-verification-limit=100: 94s
>
> make all runtime libraries in GCC for --disable-bootstrap
> --disable-libsanitizer --disable-multilib
>
> =0: 127s (17m30s user time)
> =10: 130s (18m17s user time)
> =100: 150s (20m37s user time)
>
> That's why I'm suggesting default equal to 10. Moreover as items are rehashed
> during a hash table
> growth we always compare different items.
>
> Ready for trunk?
> Thanks,
> Martin
>
> gcc/ChangeLog:
>
> 2019-06-19 Martin Liska <mli...@suse.cz>
>
> * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): Decrease
> to 10.
OK
jeff
