[PATCH] [libcxx] Checking LIT benchmark testing framework.

[Argyrios Kyrtzidis]

+ 1, this would be quite useful indeed.

> On Mar 6, 2015, at 11:47 AM, Dmitri Gribenko <gribozavr at gmail.com> wrote:
> 
> On Fri, Mar 6, 2015 at 11:29 AM, Chandler Carruth <chandlerc at gmail.com <mailto:chandlerc at gmail.com>> wrote:
>> 
>> On Fri, Mar 6, 2015 at 10:21 AM, hfinkel at anl.gov <hfinkel at anl.gov> wrote:
>>> 
>>> Almost none of my benchmarking machines can initiate outgoing connections,
>>> so I'd need to download/checkout the Google 'benchmark' library manually.
>>> Can you please add some comments about exactly what should be retrieved, and
>>> where it should be put.
>> 
>> 
>> The entire thing seems odd.
>> 
>> I would much rather just have the benchmark code live in some utility place
>> in one of the repositories. For example, we keep gtest in utils/unittest in
>> the LLVM repository. I wonder if we could check the benchmark stuff into
>> utils/benchmark, and add it to CMake normally.
>> 
>> Then the benchmarks can be built normally with CMake (or Makefiles) and LIT
>> can just be responsible for actually running them.
>> 
>> This would make the benchmarks unavailable from a stand-alone build of
>> libc++ but that seems a not-terrible tradeoff.
> 
> +1 from me.  It would be great to have a benchmarking framework
> in-tree so that other projects could use it.  For example, we could
> have latency tests for Clang code completion or re-parsing with
> implicit PCH.
> 
> Dmitri
> 
> -- 
> main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if
> (j){printf("%d\n",i);}}} /*Dmitri Gribenko <gribozavr at gmail.com <mailto:gribozavr at gmail.com>>*/
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