[Beignet] Intel haswell core i7-4770K Max compute unit question

Nikita Orlov nikitos1550 at yandex.ru
Fri May 8 02:45:24 PDT 2015


I see. Thanks!

08.05.2015, 12:33, "Zhigang Gong" <zhigang.gong at linux.intel.com>:
> EU means execution unit in GPU. You can find some further information at:
> http://en.wikipedia.org/wiki/Intel_HD_and_Iris_Graphics
>
> And you can find the corresponding information for your machine:
>
> "HD Graphics 4200, 4400, 4600, P4600, P4700 – GT2, 20 execution units, up to 432 GFLOPS at 1350 MHz"
>
> On Fri, May 08, 2015 at 12:27:30PM +0300, Nikita Orlov wrote:
>>  Hi!
>>
>>  What is 1 EU?
>>
>>  08.05.2015, 12:24, "Zhigang Gong" <zhigang.gong at linux.intel.com>:
>>>  The previous (0.8.0) count of compute units is incorrect. This issue has been fixed
>>>  since 0.9.0. Actually, now the unit of compute unit is 1 EU.
>>>
>>>  Thanks,
>>>  Zhigang Gong.
>>>
>>>  On Wed, May 06, 2015 at 06:52:58PM +0300, Nikita Orlov wrote:
>>>>   Hello!
>>>>
>>>>   I have strange situation.
>>>>   Before, when I was using clinfo, it shows me
>>>>>>>       Platform Name: Experiment Intel Gen OCL Driver Number of devices: 1
>>>>>>>       Device Type: CL_DEVICE_TYPE_GPU
>>>>>>>       Device ID: 1042
>>>>>>>       Max compute units: 64
>>>>>>>       Max work items dimensions: 3
>>>>>>>         Max work items[0]: 512
>>>>   (you can see here http://lists.freedesktop.org/archives/beignet/2014-June/003317.html)
>>>>
>>>>   now, with beignet 1.0.0 it shows me
>>>>   Intel Gen OCL Driver and 20 max compute units.
>>>>
>>>>   Why so? Was 64, now only 20.
>>>>
>>>>   --
>>>>   Nikita Orlov
>>>>   Skype: nik_stet
>>>>   QQ: 2717846083
>>>>   _______________________________________________
>>>>   Beignet mailing list
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>>  --
>>  Nikita Orlov
>>  Skype: nik_stet
>>  QQ: 2717846083

-- 
Nikita Orlov
Skype: nik_stet
QQ: 2717846083


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