[m-rev.] Re: diff: fix structure sharing bugs

[Julien Fischer]

On Tue, 19 Feb 2008, Peter Wang wrote:

> On 2008-02-19, Peter Wang <novalazy at gmail.com> wrote:
>> The compiler bootstraps with --ctgc --intermodule-optimisation.  Well,
>> two modules in library (bag.m, multi_map.m) may still need inlining
>> disabled (an existing problem).  Benchmarks later.
>>
>
> On my laptop, CPU frequency switching disabled.
>
> % mmc -s asm_fast.gc ...
>
> EXTRA_MCFLAGS = --no-use-atomic-cells --intermodule-optimisation --structure-reuse
> mercury_compile.01 average of 12 with ignore=1     18.33 ( 99.56%)
>
> EXTRA_MCFLAGS = --no-use-atomic-cells --intermodule-optimisation
> mercury_compile.02 average of 12 with ignore=1     18.41 ( 99.99%)
>
> % mmc -s hlc.gc ...
>
> EXTRA_MCFLAGS = --no-use-atomic-cells --intermodule-optimisation --structure-reuse
> mercury_compile.01 average of 12 with ignore=1     16.84 (100.24%)
>
> EXTRA_MCFLAGS = --no-use-atomic-cells --intermodule-optimisation
> mercury_compile.02 average of 12 with ignore=1     16.80 ( 99.99%)

Do you have figures for the same at -O5?

Julien.
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