Wanted: Review manager for std.data.json

[Sönke Ludwig via Digitalmars-d]

Am 09.04.2015 um 21:06 schrieb weaselcat:
> On Thursday, 9 April 2015 at 11:49:00 UTC, Martin Nowak wrote:
>> On 04/08/2015 08:32 PM, tcha wrote:
>>
>> Now with release numbers.
>>
>>> D new - debug - 14.98s, 1782.0Mb
>> 8.53s, 1786.8Mb
>>> D new Gdc - debug - 29.08s, 1663.9Mb
>> GDC still misses @nogc support.
>>> D new Ldc - 16.99s, 1663.0Mb
>> 18.76s, 1664.1Mb
>>> D new lazy - debug - 11.50s, 213.2Mb
>> 4.57s, 206Mb
>>> D new lazy Gdc - 13.66s, 206.1Mb
>> Can't compile stdx.data.json with gdc-4.9.0 which doesn't yet support
>> @nogc.
>>> D new lazy Ldc - 3.59s, 205.4Mb
>> 4.0s, 205.4Mb
>>
>> LDC doesn't yet have the GC improvements, therefor is much slower for
>> the DOM parsing benchmarks.
>
> ldc -singleobj flag speeds it up dramatically
>
> ldc2 -ofjson_d_new_lazy_ldc -O5 -release -enable-inlining -w -oq
> -Istd_data_json/source/ std_data_json/source/stdx/data/json/*.d
> test_new_lazy.d
>
> ./json_d_new_lazy_ldc  2.79s user 0.08s system 99% cpu 2.868 total
>
> ldc2 -singleobj -ofjson_d_new_lazy_ldc -O5 -release -enable-inlining -w
> -oq -Istd_data_json/source/ std_data_json/source/stdx/data/json/*.d
> test_new_lazy.d
>
> ./json_d_new_lazy_ldc  1.78s user 0.08s system 99% cpu 1.869 total
>
>
> for comparison:
> ./json_rapid_cpp  0.80s user 0.30s system 99% cpu 1.106 total
>
>
> Bye.

Not sure, but that may also have been my recent optimizations.