[Beignet] [PATCH] utest: Add test case for built-in function pow.

[Zhigang Gong]

LGTM, will push latter, thanks.

On Mon, Sep 09, 2013 at 04:55:47PM +0800, Yi Sun wrote:
> Signed-off-by: Yi Sun <yi.sun at intel.com>
> 
> diff --git a/kernels/builtin_pow.cl b/kernels/builtin_pow.cl
> new file mode 100644
> index 0000000..72d3ddd
> --- /dev/null
> +++ b/kernels/builtin_pow.cl
> @@ -0,0 +1,7 @@
> +kernel void builtin_pow(global float *dst, global float *src1, global float *src2, global int *max_func) {
> +
> +  int i = get_global_id(0);
> +  dst[i * (*max_func) + 0] = pow(src1[i], src2[i]);
> +  dst[i * (*max_func) + 1] = src1[i];
> +
> +}
> diff --git a/utests/CMakeLists.txt b/utests/CMakeLists.txt
> index 97b7519..da4cfd7 100644
> --- a/utests/CMakeLists.txt
> +++ b/utests/CMakeLists.txt
> @@ -120,6 +120,7 @@ set (utests_sources
>    builtin_num_groups.cpp
>    builtin_local_id.cpp
>    builtin_acos_asin.cpp
> +  builtin_pow.cpp
>    runtime_createcontext.cpp
>    runtime_null_kernel_arg.cpp
>  	runtime_event.cpp
> diff --git a/utests/builtin_pow.cpp b/utests/builtin_pow.cpp
> new file mode 100644
> index 0000000..e517161
> --- /dev/null
> +++ b/utests/builtin_pow.cpp
> @@ -0,0 +1,92 @@
> +#include "utest_helper.hpp"
> +#include <cmath>
> +#include <algorithm>
> +
> +#define udebug 0
> +#define printf_c(...) \
> +{\
> +  printf("\033[1m\033[40;31m");\
> +  printf( __VA_ARGS__ );\
> +  printf("\033[0m");\
> +}
> +const float ori_data[] = {-20.5, -1, -0.9, -0.01, 0, 0.01, 0.9, 1.0, 20.5};
> +const int count_input_ori = sizeof(ori_data) / sizeof(ori_data[0]);
> +const int count_input = count_input_ori * count_input_ori;
> +
> +float input_data1[count_input];
> +float input_data2[count_input];
> +const int max_function = 1;
> +
> +static void cpu_compiler_math(const float *src1, const float *src2, float *dst)
> +{
> +  dst[0] = powf(src1[0], src2[0]);
> +//  dst[1] = src1[0];
> +}
> +
> +static void builtin_pow(void)
> +{
> +  // Setup kernel and buffers
> +  int k, i, index_cur;
> +  float gpu_data[max_function * count_input] = {0}, cpu_data[max_function * count_input] = {0};
> +
> +  for(i=0; i<count_input_ori;i++)
> +    for(k=0; k<count_input_ori;k++)
> +    {
> +      input_data1[i*count_input_ori+k] = ori_data[i];
> +      input_data2[i*count_input_ori+k] = ori_data[k];
> +    }
> +
> +  OCL_CREATE_KERNEL("builtin_pow");
> +
> +  OCL_CREATE_BUFFER(buf[0], CL_MEM_READ_WRITE, count_input * max_function * sizeof(float), NULL);
> +  OCL_CREATE_BUFFER(buf[1], CL_MEM_READ_WRITE, count_input * max_function * sizeof(float), NULL);
> +  OCL_CREATE_BUFFER(buf[2], CL_MEM_READ_WRITE, count_input * max_function * sizeof(float), NULL);
> +  OCL_CREATE_BUFFER(buf[3], CL_MEM_READ_WRITE, sizeof(int), NULL);
> +  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
> +  OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
> +  OCL_SET_ARG(2, sizeof(cl_mem), &buf[2]);
> +  OCL_SET_ARG(3, sizeof(cl_mem), &buf[3]);
> +
> +  globals[0] = count_input;
> +  locals[0] = 1;
> +
> +  clEnqueueWriteBuffer( queue, buf[1], CL_TRUE, 0, count_input * sizeof(float), input_data1, 0, NULL, NULL);
> +  clEnqueueWriteBuffer( queue, buf[2], CL_TRUE, 0, count_input * sizeof(float), input_data2, 0, NULL, NULL);
> +  clEnqueueWriteBuffer( queue, buf[3], CL_TRUE, 0, sizeof(int), &max_function, 0, NULL, NULL);
> +
> +   // Run the kernel
> +  OCL_NDRANGE( 1 );
> +
> +  clEnqueueReadBuffer( queue, buf[0], CL_TRUE, 0, sizeof(float) * max_function * count_input, gpu_data, 0, NULL, NULL);
> +
> +  for (k = 0; (uint)k < count_input; k++)
> +  {
> +    cpu_compiler_math( input_data1 + k, input_data2 + k, cpu_data + k * max_function);
> +
> +    for (i = 0; i < max_function; i++)
> +    {
> +      index_cur = k * max_function + i;
> +#if udebug
> +      if ( (isinf(cpu_data[index_cur]) && !isinf(gpu_data[index_cur])) ||
> +           (isnan(cpu_data[index_cur]) && !isnan(gpu_data[index_cur])) ||
> +           (fabs(gpu_data[index_cur] - cpu_data[index_cur]) > 1e-5f)   )
> +      {
> +        printf_c("%d/%d: x:%f, y:%f -> gpu:%f  cpu:%f\n", k, i, input_data1[k], input_data2[k], gpu_data[index_cur], cpu_data[index_cur]);
> +      }
> +      else
> +        printf("%d/%d: x:%f, y:%f -> gpu:%f  cpu:%f\n", k, i, input_data1[k], input_data2[k], gpu_data[index_cur], cpu_data[index_cur]);
> +#else
> +     if (isinf(cpu_data[index_cur]))
> +       OCL_ASSERT(isinf(gpu_data[index_cur]));
> +     else if (isnan(cpu_data[index_cur]))
> +       OCL_ASSERT(isnan(gpu_data[index_cur]));
> +     else
> +     {
> +       OCL_ASSERT(fabs(gpu_data[index_cur] - cpu_data[index_cur]) < 1e-3f);
> +     }
> +#endif
> +    }
> +  }
> +}
> +
> +MAKE_UTEST_FROM_FUNCTION_WITH_ISSUE(builtin_pow)
> -- 
> 1.7.6.4
> 
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