LGTM. -----Original Message----- From: Beignet [mailto:[email protected]] On Behalf Of [email protected] Sent: Wednesday, April 01, 2015 13:11 To: [email protected] Cc: Luo, Xionghu Subject: [Beignet] [patch v2 2/2] add benckmark for copy data from buffer to image.
From: Luo Xionghu <[email protected]> v2: use random input data; update comments. Signed-off-by: Luo Xionghu <[email protected]> --- benchmark/CMakeLists.txt | 1 + benchmark/benchmark_copy_buffer_to_image.cpp | 66 ++++++++++++++++++++++++++++ 2 files changed, 67 insertions(+) create mode 100644 benchmark/benchmark_copy_buffer_to_image.cpp diff --git a/benchmark/CMakeLists.txt b/benchmark/CMakeLists.txt index 7bd61ee..3e43a21 100644 --- a/benchmark/CMakeLists.txt +++ b/benchmark/CMakeLists.txt @@ -15,6 +15,7 @@ set (benchmark_sources benchmark_use_host_ptr_buffer.cpp benchmark_read_buffer.cpp benchmark_read_image.cpp + benchmark_copy_buffer_to_image.cpp benchmark_copy_image_to_buffer.cpp) diff --git a/benchmark/benchmark_copy_buffer_to_image.cpp b/benchmark/benchmark_copy_buffer_to_image.cpp new file mode 100644 index 0000000..2177cfe --- /dev/null +++ b/benchmark/benchmark_copy_buffer_to_image.cpp @@ -0,0 +1,66 @@ +#include <string.h> +#include "utests/utest_helper.hpp" +#include <sys/time.h> + +#define IMAGE_BPP 2 + +double benchmark_copy_buffer_to_image(void) +{ + struct timeval start,stop; + const size_t w = 960 * 4; + const size_t h = 540 * 4; + const size_t sz = IMAGE_BPP * w * h; + cl_image_format format; + cl_image_desc desc; + + memset(&desc, 0x0, sizeof(cl_image_desc)); memset(&format, 0x0, + sizeof(cl_image_format)); + + // Setup image and buffer + buf_data[0] = (unsigned short*) malloc(sz); for (uint32_t i = 0; i < + w*h; ++i) { + ((unsigned short*)buf_data[0])[i] = (rand() & 0xffff); } + + format.image_channel_order = CL_R; + format.image_channel_data_type = CL_UNSIGNED_INT16; desc.image_type + = CL_MEM_OBJECT_IMAGE2D; desc.image_width = w; desc.image_height = + h; desc.image_row_pitch = 0; OCL_CREATE_BUFFER(buf[0], + CL_MEM_COPY_HOST_PTR, sz, buf_data[0]); OCL_CREATE_IMAGE(buf[1], 0, + &format, &desc, NULL); + + /*copy buffer to image*/ + size_t origin[3] = {0, 0, 0}; + size_t region[3] = {w, h, 1}; + + OCL_CALL (clEnqueueCopyBufferToImage, queue, buf[0], buf[1], 0, origin, region, + 0, NULL, NULL); + OCL_FINISH(); + OCL_MAP_BUFFER_GTT(1); + /*check result*/ + for (uint32_t j = 0; j < h; ++j) + for (uint32_t i = 0; i < w; i++) + { + OCL_ASSERT(((unsigned short*)buf_data[0])[j * w + i] == ((unsigned short*)buf_data[1])[j * w + i]); + } + OCL_UNMAP_BUFFER_GTT(1); + gettimeofday(&start,0); + + for (uint32_t i=0; i<100; i++) { + OCL_CALL (clEnqueueCopyBufferToImage, queue, buf[0], buf[1], 0, origin, region, + 0, NULL, NULL); + } + OCL_FINISH(); + + gettimeofday(&stop,0); + free(buf_data[0]); + buf_data[0] = NULL; + + double elapsed = time_subtract(&stop, &start, 0); + + return BANDWIDTH(sz * 100, elapsed); +} + +MAKE_BENCHMARK_FROM_FUNCTION(benchmark_copy_buffer_to_image); -- 1.9.1 _______________________________________________ Beignet mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/beignet _______________________________________________ Beignet mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/beignet
