Re: [Starpu-devel] Build issues On Windows8.1

[Samuel Thibault <samuel.thibault@ens-lyon.org>]

Samuel Thibault, le Thu 19 Feb 2015 17:06:07 +0100, a écrit :
> Sreeprakash S, le Thu 19 Feb 2015 21:31:30 +0530, a écrit :
> > oops in _starpu_opencl_limit_gpu_mem_if_needed (../../src/drivers/opencl/
> > driver_
> > opencl.c:79) ((null)) ... <Invalid value> (-30)
> > Assertion failed: 0, file ../../include/starpu_opencl.h, line 43
> > 
> > Can you advice me on what could be wrong here.
> 
> Well, I don't know: the code just calls
> 
>       err = clGetDeviceInfo(devices[devid], CL_DEVICE_GLOBAL_MEM_SIZE, 
> sizeof(totalGlobalMem), &totalGlobalMem, NULL);
>       if (err != CL_SUCCESS)
>               STARPU_OPENCL_REPORT_ERROR(err);
> 
> so it's nothing fancy, just getting the global memory size, but OpenCL
> returns an error.

Could you try the attached patch?

Samuel
Index: src/drivers/opencl/driver_opencl.c
===================================================================
--- src/drivers/opencl/driver_opencl.c  (révision 14556)
+++ src/drivers/opencl/driver_opencl.c  (copie de travail)
@@ -82,9 +82,11 @@
 #elif defined(STARPU_USE_OPENCL)
        /* Request the size of the current device's memory */
        cl_int err;
-       err = clGetDeviceInfo(devices[devid], CL_DEVICE_GLOBAL_MEM_SIZE, 
sizeof(totalGlobalMem), &totalGlobalMem, NULL);
+       cl_ulong size;
+       err = clGetDeviceInfo(devices[devid], CL_DEVICE_GLOBAL_MEM_SIZE, 
sizeof(size), &size, NULL);
        if (STARPU_UNLIKELY(err != CL_SUCCESS))
                STARPU_OPENCL_REPORT_ERROR(err);
+       totalGlobalMem = size;
 #endif
 
        limit = starpu_get_env_number("STARPU_LIMIT_OPENCL_MEM");