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#include "utests/utest_helper.hpp"
#include <sys/time.h>
#define BENCH_COPY_BUFFER(T, K, M) \
double benchmark_copy_buffer_ ##T(void) \
{ \
struct timeval start,stop; \
\
const size_t w = 1920; \
const size_t h = 1080; \
const size_t sz = 4 * w * h; \
\
OCL_CREATE_BUFFER(buf[0], 0, sz * sizeof(M), NULL); \
OCL_CREATE_BUFFER(buf[1], 0, sz * sizeof(M), NULL); \
\
OCL_CREATE_KERNEL_FROM_FILE("bench_copy_buffer",K); \
\
OCL_MAP_BUFFER(0); \
for (size_t i = 0; i < sz; i ++) { \
((M *)(buf_data[0]))[i] = rand(); \
} \
OCL_UNMAP_BUFFER(0); \
\
OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]); \
OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]); \
\
globals[0] = w; \
globals[1] = h; \
locals[0] = 16; \
locals[1] = 4; \
\
gettimeofday(&start,0); \
for (size_t i=0; i<100; i++) { \
OCL_NDRANGE(2); \
} \
OCL_FINISH(); \
\
OCL_MAP_BUFFER(1); \
OCL_UNMAP_BUFFER(1); \
gettimeofday(&stop,0); \
\
clReleaseMemObject(buf[0]); \
free(buf_data[0]); \
buf_data[0] = NULL; \
\
double elapsed = time_subtract(&stop, &start, 0); \
\
return BANDWIDTH(sz * sizeof(M) * 2 * 100, elapsed); \
} \
\
MAKE_BENCHMARK_FROM_FUNCTION_KEEP_PROGRAM(benchmark_copy_buffer_ ##T, true, "GB/S");
BENCH_COPY_BUFFER(uchar,"bench_copy_buffer_uchar",unsigned char)
BENCH_COPY_BUFFER(ushort,"bench_copy_buffer_ushort",unsigned short)
BENCH_COPY_BUFFER(uint,"bench_copy_buffer_uint",unsigned int)
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