diff options
Diffstat (limited to 'utests/compiler_sqrt_div.cpp')
-rw-r--r-- | utests/compiler_sqrt_div.cpp | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/utests/compiler_sqrt_div.cpp b/utests/compiler_sqrt_div.cpp new file mode 100644 index 00000000..c22c5a39 --- /dev/null +++ b/utests/compiler_sqrt_div.cpp @@ -0,0 +1,61 @@ +#include "utest_helper.hpp" +#include <cmath> + +void compiler_sqrt_div(void) { + const int n = 1024; + float src[n]; + + // Setup kernel and buffers + OCL_CREATE_KERNEL("compiler_sqrt_div"); + OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(float), NULL); + OCL_CREATE_BUFFER(buf[1], 0, n * 4 * sizeof(float), NULL); + OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]); + OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]); + globals[0] = n; + locals[0] = 16; + + for (int j = 0; j < 1024; j++) { + OCL_MAP_BUFFER(0); + for (int i = 0; i < n; ++i) { + src[i] = ((float *)buf_data[0])[i] = (j * n + i + 1) * 0.001f; + } + OCL_UNMAP_BUFFER(0); + + OCL_NDRANGE(1); + + OCL_MAP_BUFFER(1); + float *dst = (float *)buf_data[1]; + for (int i = 0; i < n; ++i) { + float cpu = 1.0f / sqrt(src[i]); + float gpu = dst[4 * i]; + if (fabsf(cpu - gpu) >= 1e-3) { + printf("%f %f %f", src[i], cpu, gpu); + OCL_ASSERT(0); + } + + cpu = i / sqrt(src[i]); + gpu = dst[4 * i + 1]; + if (fabsf(cpu - gpu) >= 1e-3) { + printf("%f %f %f", src[i], cpu, gpu); + OCL_ASSERT(0); + } + + cpu = 2.0f / sqrt(src[i]); + gpu = dst[4 * i + 2]; + if (fabsf(cpu - gpu) >= 1e-3) { + printf("%f %f %f", src[i], cpu, gpu); + OCL_ASSERT(0); + } + + cpu = 1.0f / sqrt(src[i]) + sqrt(src[i]); + gpu = dst[4 * i + 3]; + if (fabsf(cpu - gpu) >= 1e-3) { + printf("%f %f %f", src[i], cpu, gpu); + OCL_ASSERT(0); + } + } + OCL_UNMAP_BUFFER(1); + } +} + +MAKE_UTEST_FROM_FUNCTION(compiler_sqrt_div); |