[Beignet] [PATCH 3/4] Add atomic test case.
Yang Rong
rong.r.yang at intel.com
Thu Jun 27 01:47:57 PDT 2013
The test case include local memory and global memory, atomic operations from
different threads and different work groups.
Signed-off-by: Yang Rong <rong.r.yang at intel.com>
---
kernels/compiler_atomic_functions.cl | 55 ++++++++++++++++-----
utests/CMakeLists.txt | 1 +
utests/compiler_atomic_functions.cpp | 87 ++++++++++++++++++++++++++++++++--
3 files changed, 127 insertions(+), 16 deletions(-)
diff --git a/kernels/compiler_atomic_functions.cl b/kernels/compiler_atomic_functions.cl
index 23f3e73..24f17c2 100644
--- a/kernels/compiler_atomic_functions.cl
+++ b/kernels/compiler_atomic_functions.cl
@@ -1,14 +1,43 @@
-/* test OpenCL 1.1 Atomic Functions (section 6.11.1, 9.4) */
-__kernel void compiler_atomic_functions(global int *a, global int *b) {
- atomic_add(a, *b);
- atomic_sub(a, *b);
- atomic_xchg(a, *b);
- atomic_inc(a);
- atomic_dec(a);
- atomic_cmpxchg(a, b, 100);
- atomic_min(a, *b);
- atomic_max(a, *b);
- atomic_and(a, *b);
- atomic_or(a, *b);
- atomic_xor(a, *b);
+__kernel void compiler_atomic_functions(__global int *dst, __local int *tmp, __global int *src) {
+ int lid = get_local_id(0);
+ int i = lid % 12;
+ atomic_xchg(&tmp[4], -1);
+ switch(i) {
+ case 0: atomic_inc(&tmp[i]); break;
+ case 1: atomic_dec(&tmp[i]); break;
+ case 2: atomic_add(&tmp[i], src[lid]); break;
+ case 3: atomic_sub(&tmp[i], src[lid]); break;
+ case 4: atomic_and(&tmp[i], ~(src[lid]<<(lid>>2))); break;
+ case 5: atomic_or (&tmp[i], src[lid]<<(lid>>2)); break;
+ case 6: atomic_xor(&tmp[i], src[lid]); break;
+ case 7: atomic_min(&tmp[i], -src[lid]); break;
+ case 8: atomic_max(&tmp[i], src[lid]); break;
+ case 9: atomic_min((__local unsigned int *)&tmp[i], -src[lid]); break;
+ case 10: atomic_max((__local unsigned int *)&tmp[i], src[lid]); break;
+ case 11: atomic_cmpxchg(&(tmp[i]), 0, src[10]); break;
+ default: break;
+ }
+
+ switch(i) {
+ case 0: atomic_inc(&dst[i]); break;
+ case 1: atomic_dec(&dst[i]); break;
+ case 2: atomic_add(&dst[i], src[lid]); break;
+ case 3: atomic_sub(&dst[i], src[lid]); break;
+ case 4: atomic_and(&dst[i], ~(src[lid]<<(lid>>2))); break;
+ case 5: atomic_or (&dst[i], src[lid]<<(lid>>2)); break;
+ case 6: atomic_xor(&dst[i], src[lid]); break;
+ case 7: atomic_min(&dst[i], -src[lid]); break;
+ case 8: atomic_max(&dst[i], src[lid]); break;
+ case 9: atomic_min((__global unsigned int *)&dst[i], -src[lid]); break;
+ case 10: atomic_max((__global unsigned int *)&dst[i], src[lid]); break;
+ case 11: atomic_cmpxchg(&dst[i], 0, src[10]); break;
+ default: break;
+ }
+
+ barrier(CLK_GLOBAL_MEM_FENCE);
+
+ if(get_global_id(0) == 0) {
+ for(i=0; i<12; i=i+1)
+ atomic_add(&dst[i], tmp[i]);
+ }
}
diff --git a/utests/CMakeLists.txt b/utests/CMakeLists.txt
index c009d99..d4d0c6f 100644
--- a/utests/CMakeLists.txt
+++ b/utests/CMakeLists.txt
@@ -71,6 +71,7 @@ set (utests_sources
compiler_write_only_shorts.cpp
compiler_switch.cpp
compiler_math.cpp
+ compiler_atomic_functions.cpp
compiler_insn_selection_min.cpp
compiler_insn_selection_max.cpp
compiler_insn_selection_masked_min_max.cpp
diff --git a/utests/compiler_atomic_functions.cpp b/utests/compiler_atomic_functions.cpp
index 20202da..71e8384 100644
--- a/utests/compiler_atomic_functions.cpp
+++ b/utests/compiler_atomic_functions.cpp
@@ -1,10 +1,91 @@
#include "utest_helper.hpp"
+#include <cmath>
+#include <algorithm>
-void compiler_atomic_functions(void)
+#define GROUP_NUM 16
+#define LOCAL_SIZE 64
+static void cpu_compiler_atomic(int *dst, int *src)
{
- OCL_CREATE_KERNEL("compiler_atomic_functions");
+ dst[4] = 0xffffffff;
+ int tmp[16] = { 0 };
+
+ for(int j=0; j<LOCAL_SIZE; j++) {
+ int i = j % 12;
+
+ switch(i) {
+ case 0: tmp[i] += 1; break;
+ case 1: tmp[i] -= 1; break;
+ case 2: tmp[i] += src[j]; break;
+ case 3: tmp[i] -= src[j]; break;
+ case 4: tmp[i] &= ~(src[j]<<(j>>2)); break;
+ case 5: tmp[i] |= src[j]<<(j>>2); break;
+ case 6: tmp[i] ^= src[j]; break;
+ case 7: tmp[i] = tmp[i] < -src[j] ? tmp[i] : -src[j]; break;
+ case 8: tmp[i] = tmp[i] > src[j] ? tmp[i] : src[j]; break;
+ case 9: tmp[i] = (unsigned int)tmp[i] < (unsigned int)(-src[j]) ? tmp[i] : -src[j]; break;
+ case 10: tmp[i] = (unsigned int)tmp[i] > (unsigned int)(src[j]) ? tmp[i] : src[j]; break;
+ case 11: tmp[i] = src[10]; break;
+ default: break;
+ }
+ }
+
+ for(int k=0; k<GROUP_NUM; k++) {
+ for(int j=0; j<LOCAL_SIZE; j++) {
+ int i = j % 12;
+
+ switch(i) {
+ case 0: dst[i] += 1; break;
+ case 1: dst[i] -= 1; break;
+ case 2: dst[i] += src[j]; break;
+ case 3: dst[i] -= src[j]; break;
+ case 4: dst[i] &= ~(src[j]<<(j>>2)); break;
+ case 5: dst[i] |= src[j]<<(j>>2); break;
+ case 6: dst[i] ^= src[j]; break;
+ case 7: dst[i] = dst[i] < -src[j] ? dst[i] : -src[j]; break;
+ case 8: dst[i] = dst[i] > src[j] ? dst[i] : src[j]; break;
+ case 9: dst[i] = (unsigned int)dst[i] < (unsigned int)(-src[j]) ? dst[i] : -src[j]; break;
+ case 10: dst[i] = (unsigned int)dst[i] > (unsigned int)(src[j]) ? dst[i] : src[j]; break;
+ case 11: dst[i] = src[10]; break;
+ default: break;
+ }
+ }
+ }
+
+ for(int i=0; i<12; i++)
+ dst[i] += tmp[i];
}
-MAKE_UTEST_FROM_FUNCTION(compiler_atomic_functions);
+static void compiler_atomic_functions(void)
+{
+ const size_t n = GROUP_NUM * LOCAL_SIZE;
+ int cpu_dst[16] = {0}, cpu_src[256];
+ globals[0] = n;
+ locals[0] = LOCAL_SIZE;
+
+ // Setup kernel and buffers
+ OCL_CREATE_KERNEL("compiler_atomic_functions");
+ OCL_CREATE_BUFFER(buf[0], 0, 16 * sizeof(int), NULL);
+ OCL_CREATE_BUFFER(buf[1], 0, locals[0] * sizeof(int), NULL);
+ OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+ OCL_SET_ARG(1, 16 * sizeof(int), NULL);
+ OCL_SET_ARG(2, sizeof(cl_mem), &buf[1]);
+
+ OCL_MAP_BUFFER(1);
+ for (uint32_t i = 0; i < locals[0]; ++i)
+ cpu_src[i] = ((int*)buf_data[1])[i] = rand() & 0xff;
+ cpu_compiler_atomic(cpu_dst, cpu_src);
+ OCL_UNMAP_BUFFER(1);
+ OCL_NDRANGE(1);
+
+ OCL_MAP_BUFFER(0);
+
+ // Check results
+ for(int i=0; i<12; i++) {
+ //printf("The dst(%d) gpu(0x%x) cpu(0x%x)\n", i, ((uint32_t *)buf_data[0])[i], cpu_dst[i]);
+ OCL_ASSERT(((int *)buf_data[0])[i] == cpu_dst[i]);
+ }
+ OCL_UNMAP_BUFFER(0);
+}
+MAKE_UTEST_FROM_FUNCTION(compiler_atomic_functions)
--
1.7.10.4
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