[Piglit] [PATCH] OpenCL: Add a custom test case for build-in function get_work_dim.

Sun, Yi yi.sun at intel.com
Sun Jun 2 18:40:24 PDT 2013


Hi Aaron, 

Thanks you for your review and comments.
Actually, I like the test cases you provided, and I prefer it, a pretty
good case. :)

Thanks
  --Sun, Yi

On Thu, 2013-05-30 at 11:48 -0500, Aaron Watry wrote:
> I'm not really sure if I like this approach.  Couldn't this be tested
> with the attached test case instead?  Note that I can't actually
> execute that test case currently, since I'm getting an error from the
> R600 back-end on the machines that I have available to me, and my
> Nvidia machine is not with me at the moment.
> 
> If we do have to go with this approach, I have the following comments:
> 
> On Thu, May 30, 2013 at 3:06 AM, Yi Sun <yi.sun at intel.com> wrote:
> > Invoked function get_work_dim in OpenCL, and read back the return value,
> > then validate it with the value which passed to the function clEnqueueNDRangeKernel.
> >
> > Signed-off-by: Yi Sun <yi.sun at intel.com>
> > ---
> >  tests/all_cl.tests                |    3 +-
> >  tests/cl/custom/CMakeLists.cl.txt |    1 +
> >  tests/cl/custom/get_work_dim.c    |   88 +++++++++++++++++++++++++++++++++++++
> >  3 files changed, 91 insertions(+), 1 deletions(-)
> >  create mode 100644 tests/cl/custom/get_work_dim.c
> >
> > diff --git a/tests/all_cl.tests b/tests/all_cl.tests
> > index 8cefa43..b0b950f 100644
> > --- a/tests/all_cl.tests
> > +++ b/tests/all_cl.tests
> > @@ -38,6 +38,7 @@ profile.tests['Program'] = program
> >
> >  # Custom
> >  add_plain_test(custom, 'Run simple kernel', ['cl-custom-run-simple-kernel'])
> > +add_plain_test(custom, 'Buildin function get_work_dim', ['cl-custom-get_work_dim'])
> 
> Buildin should be changed to Builtin (here and everywhere else that
> uses this spelling).
> 
> >
> >  # API
> >  #  Platform
> > diff --git a/tests/cl/custom/CMakeLists.cl.txt b/tests/cl/custom/CMakeLists.cl.txt
> > index 4f93e2a..9f8d5cb 100644
> > --- a/tests/cl/custom/CMakeLists.cl.txt
> > +++ b/tests/cl/custom/CMakeLists.cl.txt
> > @@ -1 +1,2 @@
> >  piglit_cl_add_custom_test (run-simple-kernel run-simple-kernel.c)
> > +piglit_cl_add_custom_test (get_work_dim get_work_dim.c)
> > diff --git a/tests/cl/custom/get_work_dim.c b/tests/cl/custom/get_work_dim.c
> > new file mode 100644
> > index 0000000..583b5a4
> > --- /dev/null
> > +++ b/tests/cl/custom/get_work_dim.c
> > @@ -0,0 +1,88 @@
> > +/*
> > + * Copyright © 2013 Yi Sun <yi.sun at intel.com>
> > + *
> > + * Permission is hereby granted, free of charge, to any person obtaining a
> > + * copy of this software and associated documentation files (the "Software"),
> > + * to deal in the Software without restriction, including without limitation
> > + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> > + * and/or sell copies of the Software, and to permit persons to whom the
> > + * Software is furnished to do so, subject to the following conditions:
> > + *
> > + * The above copyright notice and this permission notice (including the next
> > + * paragraph) shall be included in all copies or substantial portions of the
> > + * Software.
> > + *
> > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> > + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> > + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> > + * DEALINGS IN THE SOFTWARE.
> > + */
> > +
> > +#include "piglit-framework-cl-custom.h"
> > +
> > +PIGLIT_CL_CUSTOM_TEST_CONFIG_BEGIN
> > +
> > +       config.name = "Buildin Function get_work_dim";
> > +       config.run_per_device = true;
> > +
> > +PIGLIT_CL_CUSTOM_TEST_CONFIG_END
> > +
> > +//char* source = "kernel void test(global int* out){ *out = -1; }";
> 
> Remove this commented out source line
> 
> > +char* source ="                                          \n"\
> > +"kernel void buildin_work_dim( __global int *ret ) {     \n"\
> > +"  *ret = get_work_dim();                                \n"\
> > +"}                                                       \n"\
> > +"\n";
> > +
> > +enum piglit_result
> > +piglit_cl_test(const int argc,
> > +               const char** argv,
> > +               const struct piglit_cl_custom_test_config* config,
> > +               const struct piglit_cl_custom_test_env* env)
> > +{
> > +       enum piglit_result result = PIGLIT_PASS;
> > +
> > +       size_t global_size[] = {256, 256};
> > +       size_t local_size[] = {16,16};
> 
> This won't work on all valid OpenCL implementations.  local_size
> should be changed to {1,1}, or you should use the
> clGetKernelWorkGroupInfo API function to get the maximum local size
> and then make sure that 16x16 fits within those bounds.
> 
> I think that one example where this won't work would be the Apple
> MacOS 10.6/10.7 CPU-based CL implementation...  I think that this
> implementation defined the max local size to be either 1 or the number
> of CPU cores available.
> 
> > +       int i;
> > +       cl_int data = 0;
> > +
> > +       piglit_cl_context context = NULL;
> > +       cl_mem buffer = NULL;
> > +       cl_program program = NULL;
> > +       cl_kernel kernel = NULL;
> > +
> > +       /* Create objects up to the kernel */
> > +       context = piglit_cl_create_context(env->platform_id, &env->device_id, 1);
> > +       buffer = piglit_cl_create_buffer(context, CL_MEM_READ_WRITE, sizeof(cl_int));
> > +       program = piglit_cl_build_program_with_source(context, 1, &source, "");
> > +       kernel = piglit_cl_create_kernel(program, "buildin_work_dim");
> > +
> > +       /* Set kernel arguments and run the kernel */
> > +       piglit_cl_set_kernel_buffer_arg(kernel, 0, &buffer);
> > +
> > +       for( i=1; i <= 2; i++ )
> > +       {
> 
> Why are we only testing up to two dimensions?  Why not test all 3?
> 
> --Aaron
> 
> > +               // Run the kernel
> > +               piglit_cl_execute_ND_range_kernel(context->command_queues[0], kernel, i, global_size, local_size);
> > +
> > +               /* Read the buffer and check the result */
> > +               piglit_cl_read_buffer(context->command_queues[0], buffer, 0, sizeof(cl_int), &data);
> > +
> > +               if(data != i) {
> > +                       fprintf(stderr, "get_work_dim return wrong value(%d), should be %d!.\n", data, i);
> > +                       result = PIGLIT_FAIL;
> > +               }
> > +       }
> > +
> > +       /* Release resources */
> > +       clReleaseKernel(kernel);
> > +       clReleaseProgram(program);
> > +       clReleaseMemObject(buffer);
> > +       piglit_cl_release_context(context);
> > +
> > +       return result;
> > +}
> > --
> > 1.7.6.4
> >
> > _______________________________________________
> > Piglit mailing list
> > Piglit at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/piglit



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