Signed-off-by: Grigore Lupescu <grigore.lupe...@intel.com>
---
benchmark/CMakeLists.txt | 3 +-
benchmark/benchmark_workgroup_functions.cpp | 176 ++++++++++++++++++++++++++++
2 files changed, 178 insertions(+), 1 deletion(-)
create mode 100644 benchmark/benchmark_workgroup_functions.cpp
diff --git a/benchmark/CMakeLists.txt b/benchmark/CMakeLists.txt
index dd33829..fd7fd7d 100644
--- a/benchmark/CMakeLists.txt
+++ b/benchmark/CMakeLists.txt
@@ -18,7 +18,8 @@ set (benchmark_sources
benchmark_copy_buffer_to_image.cpp
benchmark_copy_image_to_buffer.cpp
benchmark_copy_buffer.cpp
- benchmark_copy_image.cpp)
+ benchmark_copy_image.cpp
+ benchmark_workgroup_functions.cpp)
SET(CMAKE_CXX_FLAGS "-DBUILD_BENCHMARK ${CMAKE_CXX_FLAGS}")
diff --git a/benchmark/benchmark_workgroup_functions.cpp
b/benchmark/benchmark_workgroup_functions.cpp
new file mode 100644
index 0000000..81403a0
--- /dev/null
+++ b/benchmark/benchmark_workgroup_functions.cpp
@@ -0,0 +1,176 @@
+#include <cstdint>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include "utest_helper.hpp"
+#include <sys/time.h>
+
+double benchmark_workgroup_add_uint(void)
+{
+ cl_int ret;
+ struct timeval start,stop;
+ const size_t set_size = 256;
+ const size_t set_num = set_size * set_size;
+ size_t set_num_work = set_num;
+ uint32_t* src = NULL; /* input set will be generated */
+
+ cl_mem sub_buf_in;
+ cl_mem sub_buf_out;
+ cl_buffer_region buf_region_in;
+ cl_buffer_region buf_region_out;
+
+ buf_region_in.size = set_size * sizeof(uint32_t);
+ buf_region_in.origin = 0;
+ buf_region_out.size = set_size * sizeof(uint32_t);
+ buf_region_out.origin = 0;
+
+ /* Each set is of the form (1, 0, 0, ..0) */
+ src = (uint32_t*)calloc(sizeof(uint32_t), set_num * set_size);
+ OCL_ASSERT(src != NULL);
+ for(uint32_t i = 0; i < set_num * set_size; i++)
+ if((i % set_size) == 0)
+ src[i] = 1;
+
+ /* Setup kernel and buffers */
+ OCL_CREATE_KERNEL_FROM_FILE("compiler_workgroup_reduce",
+ "compiler_workgroup_reduce_add_uint");
+ OCL_CREATE_BUFFER(buf[0], 0, (set_num * set_size) * sizeof(uint32_t),
NULL);
+ OCL_CREATE_BUFFER(buf[1], 0, (set_num * set_size) * sizeof(uint32_t),
NULL);
+
+ OCL_MAP_BUFFER(0);
+ memcpy(buf_data[0], src, set_num* set_size * sizeof(uint32_t));
+ OCL_UNMAP_BUFFER(0);
+
+ globals[0] = set_size;
+ locals[0] = set_size;
+
+ /* Measure performance */
+ gettimeofday(&start,0);
+ while(set_num_work > 0){
+ /* Perform reductions, subBuffers with offsets */
+ for(uint32_t i = 0; i < set_num; i++){
+ sub_buf_in = clCreateSubBuffer(buf[0], 0,
+ CL_BUFFER_CREATE_TYPE_REGION,
&buf_region_in, &ret);
+ OCL_ASSERT(ret == 0);
+ sub_buf_out = clCreateSubBuffer(buf[1], 0,
+ CL_BUFFER_CREATE_TYPE_REGION,
&buf_region_out, &ret);
+ OCL_ASSERT(ret == 0);
+
+ OCL_SET_ARG(0, sizeof(cl_mem), &sub_buf_in);
+ OCL_SET_ARG(1, sizeof(cl_mem), &sub_buf_out);
+ OCL_NDRANGE(1);
+
+ buf_region_in.origin += set_size * sizeof(uint32_t);
+ buf_region_out.origin += set_size * sizeof(uint32_t);
+ }
+ /* Prepare memory for next set of reductions */
+ OCL_MAP_BUFFER(0);
+ OCL_MAP_BUFFER(1);
+ for (uint32_t i = 0; i < set_num_work; i++) {
+ ((uint32_t *)buf_data[0])[i] =
+ ((uint32_t *)buf_data[1])[i * set_size];
+ }
+ OCL_UNMAP_BUFFER(0);
+ OCL_UNMAP_BUFFER(1);
+
+ set_num_work /= set_size;
+ buf_region_in.origin = 0;
+ buf_region_out.origin = 0;
+ }
+ gettimeofday(&stop,0);
+ double elapsed = time_subtract(&stop, &start, 0);
+
+ /* Check result, final sum */
+ OCL_MAP_BUFFER(1);
+ //printf("%u ", ((uint32_t *)buf_data[1])[0]);
+ OCL_ASSERT(((uint32_t *)buf_data[1])[0] == set_num);
+ OCL_UNMAP_BUFFER(1);
+
+ return BANDWIDTH(set_num * set_size * sizeof(uint32_t) * 100, elapsed);
+}
+MAKE_BENCHMARK_FROM_FUNCTION(benchmark_workgroup_add_uint, "Mops/S");
+
+double benchmark_workgroup_add_float(void)
+{
+ cl_int ret;
+ struct timeval start,stop;
+ const size_t set_size = 256;
+ const size_t set_num = set_size * set_size;
+ size_t set_num_work = set_num;
+ float* src = NULL; /* input set will be generated */
+
+ cl_mem sub_buf_in;
+ cl_mem sub_buf_out;
+ cl_buffer_region buf_region_in;
+ cl_buffer_region buf_region_out;
+
+ buf_region_in.size = set_size * sizeof(float);
+ buf_region_in.origin = 0;
+ buf_region_out.size = set_size * sizeof(float);
+ buf_region_out.origin = 0;
+
+ /* Each set is of the form (1, 0, 0, ..0) */
+ src = (float*)calloc(sizeof(float), set_num * set_size);
+ OCL_ASSERT(src != NULL);
+ for(uint32_t i = 0; i < set_num * set_size; i++)
+ if((i % set_size) == 0)
+ src[i] = 1;
+
+ /* Setup kernel and buffers */
+ OCL_CREATE_KERNEL_FROM_FILE("compiler_workgroup_reduce",
+ "compiler_workgroup_reduce_add_float");
+ OCL_CREATE_BUFFER(buf[0], 0, (set_num * set_size) * sizeof(float),
NULL);
+ OCL_CREATE_BUFFER(buf[1], 0, (set_num * set_size) * sizeof(float),
NULL);
+
+ OCL_MAP_BUFFER(0);
+ memcpy(buf_data[0], src, set_num* set_size * sizeof(float));
+ OCL_UNMAP_BUFFER(0);
+
+ globals[0] = set_size;
+ locals[0] = set_size;
+
+ /* Measure performance */
+ gettimeofday(&start,0);
+ while(set_num_work > 0){
+ /* Perform reductions, subBuffers with offsets */
+ for(uint32_t i = 0; i < set_num; i++){
+ sub_buf_in = clCreateSubBuffer(buf[0], 0,
+ CL_BUFFER_CREATE_TYPE_REGION,
&buf_region_in, &ret);
+ OCL_ASSERT(ret == 0);
+ sub_buf_out = clCreateSubBuffer(buf[1], 0,
+ CL_BUFFER_CREATE_TYPE_REGION,
&buf_region_out, &ret);
+ OCL_ASSERT(ret == 0);
+
+ OCL_SET_ARG(0, sizeof(cl_mem), &sub_buf_in);
+ OCL_SET_ARG(1, sizeof(cl_mem), &sub_buf_out);
+ OCL_NDRANGE(1);
+
+ buf_region_in.origin += set_size * sizeof(float);
+ buf_region_out.origin += set_size * sizeof(float);
+ }
+ /* Prepare memory for next set of reductions */
+ OCL_MAP_BUFFER(0);
+ OCL_MAP_BUFFER(1);
+ for (uint32_t i = 0; i < set_num_work; i++) {
+ ((float *)buf_data[0])[i] =
+ ((float *)buf_data[1])[i * set_size];
+ }
+ OCL_UNMAP_BUFFER(0);
+ OCL_UNMAP_BUFFER(1);
+
+ set_num_work /= set_size;
+ buf_region_in.origin = 0;
+ buf_region_out.origin = 0;
+ }
+ gettimeofday(&stop,0);
+ double elapsed = time_subtract(&stop, &start, 0);
+
+ /* Check result, final sum */
+ OCL_MAP_BUFFER(1);
+ //printf("%f ", ((float *)buf_data[1])[0]);
+ OCL_ASSERT(((float *)buf_data[1])[0] == set_num);
+ OCL_UNMAP_BUFFER(1);
+
+ return BANDWIDTH(set_num * set_size * sizeof(float) * 100, elapsed);
+}
+MAKE_BENCHMARK_FROM_FUNCTION(benchmark_workgroup_add_float, "Mflops/S");
--
2.1.4
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