topic printf on HD4000 ? in OpenCL* for CPU

printf on HD4000 ?

Mohamed_Amine_BERGAC — Thu, 22 Nov 2012 13:05:28 GMT

Can we use printf function with the GPU HD4000 ? or, is there is a solution to bypass this limitation ?

it's for debugging , have you any better solution ?

THX,

Mohamed

printf on GPU is not

Raghupathi_M_Intel — Tue, 27 Nov 2012 00:05:08 GMT

printf on GPU is not supported on HD4000. One way to debug is to write intermediate values to a debug buffer and read it back on the host. You can them compare the result with that you got on the CPU. Sorry there is no easy way currently. Thanks, Raghu

Thank you, Mohamed

Mohamed_Amine_BERGAC — Tue, 27 Nov 2012 08:17:38 GMT

Thank you, Mohamed

what about he current status

Biao_W_ — Sat, 28 Dec 2013 17:07:38 GMT

what about he current status of printf support on HD4000, as in OpenCL 1.2 printf is built in function.

Thanks