Hello,
Here is the output for the two scripts (Python 2.7.5) on HD 6770M device:
$ ipython t_reduce.py
Choose device(s):
[0] <pyopencl.Device 'Intel(R) Core(TM) i7-2760QM CPU @ 2.40GHz' on 'Apple' at
0xffffffff>
[1] <pyopencl.Device 'ATI Radeon HD 6770M' on 'Apple' at 0x1021b00>
Choice, comma-separated [0]:1
Set the environment variable PYOPENCL_CTX='1' to avoid being asked again.
[(3L, (6L,), 9L)]
$ ipython t_cbrng.py
Choose device(s):
[0] <pyopencl.Device 'Intel(R) Core(TM) i7-2760QM CPU @ 2.40GHz' on 'Apple' at
0xffffffff>
[1] <pyopencl.Device 'ATI Radeon HD 6770M' on 'Apple' at 0x1021b00>
Choice, comma-separated [0]:1
Set the environment variable PYOPENCL_CTX='1' to avoid being asked again.
/usr/local/lib/python2.7/site-packages/pyopencl/__init__.py:57:
CompilerWarning: Built kernel retrieved from cache. Original from-source build
had warnings:
Build on <pyopencl.Device 'ATI Radeon HD 6770M' on 'Apple' at 0x1021b00>
succeeded, but said:
<program source>:517:30: warning: unused variable 'next_ctr'
_module0_Counter next_ctr = _module0_get_next_unused_counter(st);
^
warn(text, CompilerWarning)
(-2.0032926249999998, 9.9931568585707691)
Best regards,
Jean-Matthieu
Le 25 nov. 2013 à 04:58, Bogdan Opanchuk <[email protected]> a écrit :
> Hi Pongsak,
>
> Thank you! Could you please run the second script as well
> (t_cbrng.py)? It seems that whatever the bug in reduction was, Apple
> got it fixed... maybe it's time to upgrade then.
>
> Best regards,
> Bogdan
>
> On Mon, Nov 25, 2013 at 10:29 AM, Pongsak Suvanpong <[email protected]> wrote:
>> Hello
>>
>> this is the output
>>
>> psksvp@abydos:~/Workspace$ python3 t_reduce.py
>> Choose device(s):
>> [0] <pyopencl.Device 'Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz' on 'Apple'
>> at 0xffffffff>
>> [1] <pyopencl.Device 'HD Graphics 4000' on 'Apple' at 0x1024400>
>> Choice, comma-separated [0]:1
>> Set the environment variable PYOPENCL_CTX='1' to avoid being asked again.
>> [(3, (6,), 9)]
>>
>>
>> My device is the HD4000 GPU.
>>
>> psksvp
>>
>> On 25 Nov 2013, at 12:47 am, Bogdan Opanchuk <[email protected]> wrote:
>>
>>> Hello guys,
>>>
>>> If it is not too much trouble, could someone with Mavericks run these
>>> two scripts (with a GPU device) and tell me the output? I'm getting a
>>> strange results on 10.8, and the expected behavior on Linux+Tesla, and
>>> I've read that OpenCL in 10.9 got updated.
>>>
>>> In case you are interested what they do:
>>> - t_reduce.py runs a reduction of an array of 3 elements of a nested
>>> struct dtype. For some reason, if I initialize the zero element as {0,
>>> {0}, 0}, I get wrong results, and if I write 0 separately to each of
>>> its fields, the results are correct.
>>> - t_cbrng.py uses a counter-based RNG to generate 2M normally
>>> distributed floats. If I compile it with '-cl-fast-relaxed-math'
>>> option, the mean&std are correct (-2 and 10), and if I compile it with
>>> default options, both mean and std are off.
>>>
>>> Thank you in advance.
>>>
>>> Best regards,
>>> Bogdan
>>> <t_cbrng.py><t_reduce.py>_______________________________________________
>>> PyOpenCL mailing list
>>> [email protected]
>>> http://lists.tiker.net/listinfo/pyopencl
>>
>>
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