Re: [eigen] 3.0.4 coming soon, testing appreciated

[Benoit Jacob <jacob.benoit.1@xxxxxxxxx>]

2011/11/23 Rhys Ulerich <rhys.ulerich@xxxxxxxxx>:
>>>> I see
>>>>   icpc 12.0.4 20110427
>>>>   icpc 12.1.0 20111011
>>>> both build all the 'make check' targets.  I noticed some terribly long
>>>> individual test times for those two builds...
>
>>> Can you profile this?
>>> Is Eigen 3.0.3 performing better?
>
>> I'm building the outer product of {Intel 11.1 latest,
>> Intel 12.1 latest} and {3.0.3 release, 3.0 tip} ...
>> to get better test case timing info.
>
> Here's gross timing information from a release build with
> -fno-omit-frame-pointer

So, now that you have such a build, can you profile it?

perf record -f -g -- ./programtoprofile
perf report

Cheers,
Benoit

 executing 'EIGEN_REPEAT=100 ./check.sh
> product_trmm_.' on a quiet x86_64 Linux system.  Notice the repeat
> count of 100.  I picked those tests as they popped up as slow when I
> initially ran make check on a login node earlier in this discussion.
>
> Versions are icpc (ICC) 11.1 20100806 and icpc (ICC) 12.1.0 20111011.
>
> Test project /g/g10/ulerich1/Build/build-3.0.3-intel-11.1
> 1/4 Test #215: product_trmm_1 ...................   Passed   14.28 sec
> 2/4 Test #216: product_trmm_2 ...................   Passed   17.99 sec
> 3/4 Test #217: product_trmm_3 ...................   Passed   75.14 sec
> 4/4 Test #218: product_trmm_4 ...................   Passed   36.13 sec
>
> Test project /g/g10/ulerich1/Build/build-3.0.4-intel-11.1
> 1/4 Test #215: product_trmm_1 ...................   Passed   19.55 sec
> 2/4 Test #216: product_trmm_2 ...................   Passed   24.53 sec
> 3/4 Test #217: product_trmm_3 ...................   Passed   87.97 sec
> 4/4 Test #218: product_trmm_4 ...................   Passed   32.09 sec
>
> Test project /g/g10/ulerich1/Build/build-3.0.3-intel-12.1
> 1/4 Test #215: product_trmm_1 ...................   Passed   10.07 sec
> 2/4 Test #216: product_trmm_2 ...................   Passed   16.13 sec
> 3/4 Test #217: product_trmm_3 ...................   Passed   79.36 sec
> 4/4 Test #218: product_trmm_4 ...................   Passed   35.73 sec
>
> Test project /g/g10/ulerich1/Build/build-3.0.4-intel-12.1
> 1/4 Test #215: product_trmm_1 ...................   Passed   12.57 sec
> 2/4 Test #216: product_trmm_2 ...................   Passed   19.36 sec
> 3/4 Test #217: product_trmm_3 ...................   Passed   86.88 sec
> 4/4 Test #218: product_trmm_4 ...................   Passed   27.58 sec
>
> Good news: Across the board, Intel 12.1 does better than Intel 11.1 on
> 3.0 tip (what I called 3.0.4 above).
>
> Bad news: On all of product_trmm_{1,2,3} the performance is worse on
> 3.0 tip than it was on 3.0.3 on both Intel 11.1 and 12.1.  In
> particular, compare product_trmm_{1,2} on Intel 11.1.
>
> I can do some more detailed profiling on product_trmm_{1,2,3} using
> Intel 11.1.  Any preference for with which one I start?
>
> - Rhys
>
>
>