[LLVMdev] Help adding the Bullet physics sdk benchmark to the LLVM test suite?

Daniel Dunbar daniel at zuster.org
Sun Dec 20 10:33:15 PST 2009

This is an excellent addition, thanks a lot Anton!

So far it looks like its working on ppc/x86_64 and some ARM testers.
It's not working on smoosh-01 yet (the buildbot driven nightly
tester), I will try to investigate...

 - Daniel

On Sat, Dec 19, 2009 at 12:13 PM, Anton Korobeynikov
<anton at korobeynikov.info> wrote:
> Hello, Erwin
>> If you are interested, I think it is best to start with Bullet 2.75.
>> If it turns out that LLVM requires some modifications (due to current C++
>> limitations),
>> we can modify Bullet and go for an uncoming release such as Bullet 2.76
>> (planned around January 2010).
> I added bullet to LLVM testsuite. Basically I had to flatten source
> directories since this is a current requirement of the llvm testsuite
> harness.
> Some include paths tweaks were required due to this. Also, I disabled
> the time reports, since otherwise we cannot compare the outputs.
> bullet appeared to be ~20% slower for me compared to gcc 4.2.4, so,
> definitely something should be worked on :)
> One questions though: is it possible to "verify" the results of all
> the computations somehow? We need to care not only about speed, but
> about correctness too :)
> --
> With best regards, Anton Korobeynikov
> Faculty of Mathematics and Mechanics, Saint Petersburg State University
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