[Beignet] [PATCH 1/2] add benckmark for copy data from buffer to buffer

[Song, Ruiling]

> -----Original Message-----
> From: Beignet [mailto:beignet-bounces at lists.freedesktop.org] On Behalf Of
> Meng Mengmeng
> Sent: Monday, November 2, 2015 2:29 PM
> To: beignet at lists.freedesktop.org
> Cc: Meng, Mengmeng
> Subject: [Beignet] [PATCH 1/2] add benckmark for copy data from buffer to
> buffer
> 
> Set the data format as 1920 * 1080 four channels and type as char,short and int.
> 
> Signed-off-by: Meng Mengmeng <mengmeng.meng at intel.com>
> ---
>  benchmark/CMakeLists.txt            |  3 ++-
>  benchmark/benchmark_copy_buffer.cpp | 52
> +++++++++++++++++++++++++++++++++++++
>  kernels/bench_copy_buffer.cl        | 21 +++++++++++++++
>  3 files changed, 75 insertions(+), 1 deletion(-)
>  create mode 100644 benchmark/benchmark_copy_buffer.cpp
>  create mode 100644 kernels/bench_copy_buffer.cl
> 
> diff --git a/benchmark/CMakeLists.txt b/benchmark/CMakeLists.txt
> index 3e43a21..03a56f2 100644
> --- a/benchmark/CMakeLists.txt
> +++ b/benchmark/CMakeLists.txt
> @@ -16,7 +16,8 @@ set (benchmark_sources
>    benchmark_read_buffer.cpp
>    benchmark_read_image.cpp
>    benchmark_copy_buffer_to_image.cpp
> -  benchmark_copy_image_to_buffer.cpp)
> +  benchmark_copy_image_to_buffer.cpp
> +  benchmark_copy_buffer.cpp)
> 
> 
>  SET(CMAKE_CXX_FLAGS "-DBUILD_BENCHMARK ${CMAKE_CXX_FLAGS}")
> diff --git a/benchmark/benchmark_copy_buffer.cpp
> b/benchmark/benchmark_copy_buffer.cpp
> new file mode 100644
> index 0000000..68b9870
> --- /dev/null
> +++ b/benchmark/benchmark_copy_buffer.cpp
> @@ -0,0 +1,52 @@
> +#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 n = 1920 * 1080; \
> +  const size_t sz = 4 * n ; \
> + \
> +  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] = 1920 * 1080; \
> +  locals[0] = 64; \

Please use same work-group setting as copy-image. So we can compare them.
  globals[0] = w; \
  globals[1] = h; \
  locals[0] = 16; \
  locals[1] = 4; \