Re: [Starpu-devel] StarPU CUDA problem

[Cyril Roelandt <cyril.roelandt@inria.fr>]

Hello,

The format of the perfmodels changed in revision 4127. You should try to 
remove the old perfmodels (they are in $HOME/.starpu/sampling/codelets/).

Cyril.

On 09/27/2011 12:04 PM, Usman Dastgeer wrote:
> Hello,
>
> With StarPU revision # 4156, I have some problem with using CUDA backend. I 
> have attached the log file. The problem occurs even when running given starpu 
> examples (vector_scal, block etc.)
>
> Here is the output for "vector_scal" example
>
> BEFORE: First element was 1.000000
> BEFORE: Last element was 2048.000000
> [starpu][load_sched_policy] Use eager scheduler (greedy policy)
> [starpu][_starpu_launch_drivers] initialising worker 0
> [starpu][_starpu_cuda_worker] cuda (Tesla M2050) dev id 0 thread is ready to 
> run on CPU 0 !
> [starpu][_starpu_load_history_based_model] Opening performance model file 
> /home/usmda/.starpu/sampling//codelets/vector_scale.fermi for model 
> vector_scale ... [starpu][_starpu_load_history_based_model] File exists
> [starpu][parse_model_file] Parsing 1 CPUs
> [starpu][parse_model_file] Parsing 0 CUDA devices
> [starpu][parse_model_file] Parsing 0 OpenCL devices
> [starpu][parse_model_file] Parsing 0 Gordon devices
> [starpu][_starpu_load_history_based_model] Opening performance model file 
> /home/usmda/.starpu/sampling//codelets/vector_scale_power.fermi for model 
> vector_scale_power ... [starpu][_starpu_load_history_based_model] File exists
> [starpu][parse_model_file] Parsing 0 CPUs
> [starpu][parse_model_file] Parsing 0 CUDA devices
> [starpu][parse_model_file] Parsing 0 OpenCL devices
> [starpu][parse_model_file] Parsing 0 Gordon devices
> oops in copy_cuda_async_common ... invalid argument
> vector_scal: drivers/cuda/driver_cuda.c:384: starpu_cuda_report_error: 
> Assertion `0' failed.
> Aborted
>
>
> and for "block" example
>
> [starpu][load_sched_policy] Use eager scheduler (greedy policy)
> [starpu][_starpu_launch_drivers] initialising worker 0
> [starpu][_starpu_cuda_worker] cuda (Tesla M2050) dev id 0 thread is ready to 
> run on CPU 0 !
> No worker may execute this task
> oops in copy_cuda_async_common ... invalid argument
> block: drivers/cuda/driver_cuda.c:384: starpu_cuda_report_error: Assertion 
> `0' failed.
> Aborted
>
>
>
>
>
>
>
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