[Beignet] [Patch V2] Add read buffer/image benchmark.
Yang, Rong R
rong.r.yang at intel.com
Tue Jan 6 17:55:52 PST 2015
Yes, I will send a new version.
> -----Original Message-----
> From: Zhigang Gong [mailto:zhigang.gong at linux.intel.com]
> Sent: Wednesday, January 7, 2015 08:41
> To: Yang, Rong R
> Cc: beignet at lists.freedesktop.org
> Subject: Re: [Beignet] [Patch V2] Add read buffer/image benchmark.
>
> Is this the last version or you still have a newer version in hand.
> I remember you said you have a newer version a few days ago, just not sure.
>
> On Wed, Dec 24, 2014 at 03:44:33PM +0800, Yang Rong wrote:
> > Add there two benchmark to compare the buffer and image performance
> >
> > V2: init the coord before read image.
> > Signed-off-by: Yang Rong <rong.r.yang at intel.com>
> > ---
> > benchmark/CMakeLists.txt | 4 ++-
> > benchmark/benchmark_read_buffer.cpp | 49
> +++++++++++++++++++++++++++
> > benchmark/benchmark_read_image.cpp | 67
> +++++++++++++++++++++++++++++++++++++
> > kernels/compiler_read_buffer.cl | 15 +++++++++
> > kernels/compiler_read_image.cl | 25 ++++++++++++++
> > 5 files changed, 159 insertions(+), 1 deletion(-) create mode 100644
> > benchmark/benchmark_read_buffer.cpp
> > create mode 100644 benchmark/benchmark_read_image.cpp
> > create mode 100644 kernels/compiler_read_buffer.cl create mode
> > 100644 kernels/compiler_read_image.cl
> >
> > diff --git a/benchmark/CMakeLists.txt b/benchmark/CMakeLists.txt index
> > ac2d8aa..9a2bd77 100644
> > --- a/benchmark/CMakeLists.txt
> > +++ b/benchmark/CMakeLists.txt
> > @@ -12,7 +12,9 @@ set (benchmark_sources
> > ../utests/utest_helper.cpp
> > ../utests/vload_bench.cpp
> > enqueue_copy_buf.cpp
> > - benchmark_use_host_ptr_buffer.cpp)
> > + benchmark_use_host_ptr_buffer.cpp
> > + benchmark_read_buffer.cpp
> > + benchmark_read_image.cpp)
> >
> >
> > SET(CMAKE_CXX_FLAGS "-DBUILD_BENCHMARK ${CMAKE_CXX_FLAGS}")
> diff
> > --git a/benchmark/benchmark_read_buffer.cpp
> > b/benchmark/benchmark_read_buffer.cpp
> > new file mode 100644
> > index 0000000..31a1f59
> > --- /dev/null
> > +++ b/benchmark/benchmark_read_buffer.cpp
> > @@ -0,0 +1,49 @@
> > +#include "utests/utest_helper.hpp"
> > +#include <sys/time.h>
> > +
> > +int benchmark_read_buffer(void)
> > +{
> > + struct timeval start,stop;
> > +
> > + const size_t n = 1024 * 1024;
> > + int count = 16;
> > + const size_t sz = 4 * n * count;
> > +
> > + OCL_CREATE_BUFFER(buf[0], 0, sz * sizeof(float), NULL);
> > + OCL_CREATE_BUFFER(buf[1], 0, sz * sizeof(float), NULL);
> > + OCL_CREATE_BUFFER(buf[2], 0, sz * sizeof(float), NULL);
> > +
> > + OCL_CREATE_KERNEL("compiler_read_buffer");
> > +
> > + 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_MAP_BUFFER(0);
> > + OCL_MAP_BUFFER(1);
> > + for (size_t i = 0; i < sz; i ++) {
> > + ((float *)(buf_data[0]))[i] = rand();
> > + ((float *)(buf_data[1]))[i] = rand(); } OCL_UNMAP_BUFFER(0);
> > + OCL_UNMAP_BUFFER(1);
> > +
> > + // Setup kernel and buffers
> > + globals[0] = n;
> > + locals[0] = 256;
> > +
> > + gettimeofday(&start,0);
> > + for (size_t i=0; i<100; i++) {
> > + OCL_NDRANGE(1);
> > + }
> > + OCL_FINISH();
> > + gettimeofday(&stop,0);
> > +
> > + clReleaseMemObject(buf[0]);
> > + free(buf_data[0]);
> > + buf_data[0] = NULL;
> > +
> > + return time_subtract(&stop, &start, 0); }
> > +
> > +MAKE_BENCHMARK_FROM_FUNCTION(benchmark_read_buffer);
> > diff --git a/benchmark/benchmark_read_image.cpp
> > b/benchmark/benchmark_read_image.cpp
> > new file mode 100644
> > index 0000000..913b6e6
> > --- /dev/null
> > +++ b/benchmark/benchmark_read_image.cpp
> > @@ -0,0 +1,67 @@
> > +#include <string.h>
> > +#include "utests/utest_helper.hpp"
> > +#include <sys/time.h>
> > +
> > +int benchmark_read_image(void)
> > +{
> > + struct timeval start,stop;
> > +
> > + const size_t x_count = 4;
> > + const size_t y_count = 4;
> > + const size_t w = 1024;
> > + const size_t h = 1024;
> > + const size_t sz = 4 * x_count * y_count * 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 kernel and images
> > + OCL_CREATE_KERNEL("compiler_read_image");
> > + buf_data[0] = (uint32_t*) malloc(sizeof(float) * sz); buf_data[1]
> > + = (uint32_t*) malloc(sizeof(float) * sz); for (uint32_t i = 0; i <
> > + sz; ++i) {
> > + ((float*)buf_data[0])[i] = rand();
> > + ((float*)buf_data[1])[i] = rand(); }
> > +
> > + format.image_channel_order = CL_RGBA;
> > + format.image_channel_data_type = CL_FLOAT; desc.image_type =
> > + CL_MEM_OBJECT_IMAGE2D; desc.image_width = w; desc.image_height
> =
> > + h; desc.image_row_pitch = w * sizeof(float) * 4;
> > + OCL_CREATE_IMAGE(buf[0], CL_MEM_COPY_HOST_PTR, &format,
> &desc,
> > + buf_data[0]); OCL_CREATE_IMAGE(buf[1], CL_MEM_COPY_HOST_PTR,
> > + &format, &desc, buf_data[1]); OCL_CREATE_BUFFER(buf[2], 0, sz *
> > + sizeof(float), NULL);
> > +
> > + free(buf_data[0]);
> > + buf_data[0] = NULL;
> > + free(buf_data[1]);
> > + buf_data[1] = NULL;
> > +
> > + // Run the kernel
> > + 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]);
> > + globals[0] = w; globals[1] = h; locals[0] = 16; locals[1] = 16;
> > +
> > + gettimeofday(&start,0);
> > + for (size_t i=0; i<100; i++) {
> > + OCL_NDRANGE(2);
> > + }
> > + OCL_FINISH();
> > + gettimeofday(&stop,0);
> > +
> > + clReleaseMemObject(buf[0]);
> > + free(buf_data[0]);
> > + buf_data[0] = NULL;
> > +
> > + return time_subtract(&stop, &start, 0); }
> > +
> > +MAKE_BENCHMARK_FROM_FUNCTION(benchmark_read_image);
> > diff --git a/kernels/compiler_read_buffer.cl
> > b/kernels/compiler_read_buffer.cl new file mode 100644 index
> > 0000000..b6c11bd
> > --- /dev/null
> > +++ b/kernels/compiler_read_buffer.cl
> > @@ -0,0 +1,15 @@
> > +#define COUNT 16
> > +
> > +__kernel void
> > +compiler_read_buffer(__global float4* src0, __global float4* src1,
> > +__global float4* dst) {
> > + float4 sum = 0;
> > + int offset = 0, i = 0;
> > + int id = (int)get_global_id(0);
> > + int sz = (int)get_global_size(0);
> > + for(i=0; i<COUNT; i++) {
> > + sum = sum + src0[offset + i] + src1[offset + i];
> > + offset += sz;
> > + }
> > + dst[id] = sum;
> > +}
> > diff --git a/kernels/compiler_read_image.cl
> > b/kernels/compiler_read_image.cl new file mode 100644 index
> > 0000000..f059743
> > --- /dev/null
> > +++ b/kernels/compiler_read_image.cl
> > @@ -0,0 +1,25 @@
> > +#define X_COUNT 4
> > +#define Y_COUNT 4
> > +
> > +__kernel void
> > +compiler_read_image(__read_only image2d_t src0, __read_only
> image2d_t
> > +src1, __global float4* dst) {
> > + float4 sum = 0;
> > + int2 coord;
> > + int x_sz = (int)get_global_size(0);
> > + int y_sz = (int)get_global_size(1);
> > + const sampler_t sampler = CLK_NORMALIZED_COORDS_FALSE|
> > +CLK_ADDRESS_CLAMP| CLK_FILTER_NEAREST;
> > + int i, j;
> > +
> > + int x = (int)get_global_id(0);
> > + int y = (int)get_global_id(1);
> > +
> > + for(i=0; i<X_COUNT; i++) {
> > + coord.x = x + i * x_sz;
> > + for(j=0; j<Y_COUNT; j++) {
> > + coord.y = y + j * y_sz;
> > + sum = sum + read_imagef(src0, sampler, coord) + read_imagef(src1,
> sampler, coord);
> > + }
> > + }
> > + dst[y * x_sz + x] = sum;
> > +}
> > --
> > 1.8.3.2
> >
> > _______________________________________________
> > Beignet mailing list
> > Beignet at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/beignet
More information about the Beignet
mailing list