Utest: Add tset case for block read/write buffer

V2: Rename test case to buffer block read/write test

Signed-off-by: Pan Xiuli <xiuli.pan@intel.com>
Reviewed-by: Yang Rong <rong.r.yang@intel.com>

1 files changed, 194 insertions, 0 deletions

diff --git a/utests/compiler_subgroup_buffer_block_read.cpp b/utests/compiler_subgroup_buffer_block_read.cpp
new file mode 100644
index 00000000..334ec76a
--- /dev/null
+++ b/utests/compiler_subgroup_buffer_block_read.cpp
@@ -0,0 +1,194 @@
+#include <cstdint>
+#include <cstring>
+#include <iostream>
+#include "utest_helper.hpp"
+
+using namespace std;
+
+/* set to 1 for debug, output of input-expected data */
+#define DEBUG_STDOUT    0
+
+/* NDRANGE */
+#define WG_GLOBAL_SIZE  32
+#define WG_LOCAL_SIZE   32
+/*
+ * Generic compute-expected function for buffer block read
+ */
+template<class T>
+static void compute_expected(T* input,
+                             T* expected,
+                             size_t VEC_SIZE,
+                             size_t SIMD_SIZE)
+{
+  for(uint32_t i = 0; i < SIMD_SIZE; i++)
+    for(uint32_t j = 0; j < VEC_SIZE; j++)
+      expected[i * VEC_SIZE + j] = input[SIMD_SIZE * j + i];
+}
+
+/*
+ * Generic input-expected generate function for block read
+ */
+template<class T>
+static void generate_data(T* &input,
+                          T* &expected,
+                          size_t VEC_SIZE,
+                          size_t SIMD_SIZE)
+{
+  /* allocate input and expected arrays */
+  input = new T[WG_GLOBAL_SIZE * VEC_SIZE];
+  expected = new T[WG_GLOBAL_SIZE * VEC_SIZE];
+
+  /* base value for all data types */
+  T base_val = (long)7 << (sizeof(T) * 5 - 3);
+
+  /* seed for random inputs */
+  srand (time(NULL));
+
+  /* generate inputs and expected values */
+  for(uint32_t gid = 0; gid < WG_GLOBAL_SIZE; gid += SIMD_SIZE)
+  {
+#if DEBUG_STDOUT
+    cout << endl << "IN: " << endl;
+#endif
+    SIMD_SIZE = (gid + SIMD_SIZE) > WG_GLOBAL_SIZE ? WG_GLOBAL_SIZE - gid : SIMD_SIZE;
+
+    /* input values */
+    for(uint32_t lid = 0; lid < SIMD_SIZE; lid++)
+    {
+      for(uint32_t vsz = 0; vsz < VEC_SIZE; vsz++)
+      {
+        /* initially 0, augment after */
+        input[(gid + lid)*VEC_SIZE + vsz] = 0;
+
+        /* check all data types, test ideal for QWORD types */
+        input[(gid + lid)*VEC_SIZE + vsz] += ((rand() % 2 - 1) * base_val);
+        /* add trailing random bits, tests GENERAL cases */
+        input[(gid + lid)*VEC_SIZE + vsz] += (rand() % 112);
+
+#if DEBUG_STDOUT
+        /* output generated input */
+        cout << setw(4) << input[(gid + lid)*VEC_SIZE + vsz] << ", " ;
+        if((lid + 1) % 8 == 0)
+          cout << endl;
+#endif
+      }
+    }
+
+    /* expected values */
+    compute_expected(input + gid * VEC_SIZE, expected + gid * VEC_SIZE, VEC_SIZE, SIMD_SIZE);
+
+#if DEBUG_STDOUT
+    /* output expected input */
+    cout << endl << "EXP: " << endl;
+    for(uint32_t lid = 0; lid < SIMD_SIZE ; lid++){
+      for(uint32_t vsz = 0; vsz < VEC_SIZE; vsz++)
+        cout << setw(4) << expected[(gid + lid)*VEC_SIZE + vsz] << ", " ;
+      if((lid + 1) % 8 == 0)
+        cout << endl;
+    }
+    cout << endl;
+#endif
+
+  }
+}
+
+/*
+ * Generic subgroup utest function for buffer block read
+ */
+template<class T>
+static void subgroup_generic(T* input,
+                             T* expected,
+                             size_t VEC_SIZE)
+{
+  /* get simd size */
+  globals[0] = WG_GLOBAL_SIZE;
+  locals[0] = WG_LOCAL_SIZE;
+  size_t SIMD_SIZE = 0;
+  OCL_CALL(clGetKernelSubGroupInfoKHR,kernel,device,CL_KERNEL_MAX_SUB_GROUP_SIZE_FOR_NDRANGE_KHR,sizeof(size_t)*1,locals,sizeof(size_t),&SIMD_SIZE,NULL);
+
+  size_t buf_sz = VEC_SIZE * WG_GLOBAL_SIZE;
+  /* input and expected data */
+  generate_data(input, expected, VEC_SIZE, SIMD_SIZE);
+
+  /* prepare input for datatype */
+  OCL_CREATE_BUFFER(buf[0], 0, buf_sz * sizeof(T), NULL);
+  OCL_CREATE_BUFFER(buf[1], 0, buf_sz * sizeof(T), NULL);
+  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+  OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
+
+  /* set input data for GPU */
+  OCL_MAP_BUFFER(0);
+  memcpy(buf_data[0], input,  buf_sz* sizeof(T));
+  OCL_UNMAP_BUFFER(0);
+
+  /* run the kernel on GPU */
+  OCL_NDRANGE(1);
+
+  /* check if mismatch */
+  OCL_MAP_BUFFER(1);
+  uint32_t mismatches = 0;
+
+  for (uint32_t i = 0; i < buf_sz; i++)
+    if(((T *)buf_data[1])[i] != *(expected + i))
+    {
+      /* found mismatch, increment */
+      mismatches++;
+
+#if DEBUG_STDOUT
+      /* output mismatch */
+      cout << "Err at " << i << ", " <<
+        ((T *)buf_data[1])[i] << " != " << *(expected + i) << endl;
+#endif
+    }
+
+#if DEBUG_STDOUT
+  /* output mismatch count */
+  cout << "mismatches " << mismatches << endl;
+#endif
+
+  OCL_UNMAP_BUFFER(1);
+
+  OCL_ASSERT(mismatches == 0);
+  free(input);
+  free(expected);
+}
+
+/*
+ * subgroup buffer block read
+ */
+void compiler_subgroup_buffer_block_read1(void)
+{
+  cl_uint *input = NULL;
+  cl_uint *expected = NULL;
+  OCL_CREATE_KERNEL_FROM_FILE("compiler_subgroup_buffer_block_read",
+                              "compiler_subgroup_buffer_block_read1");
+  subgroup_generic(input, expected, 1);
+}
+MAKE_UTEST_FROM_FUNCTION(compiler_subgroup_buffer_block_read1);
+void compiler_subgroup_buffer_block_read2(void)
+{
+  cl_uint *input = NULL;
+  cl_uint *expected = NULL;
+  OCL_CREATE_KERNEL_FROM_FILE("compiler_subgroup_buffer_block_read",
+                              "compiler_subgroup_buffer_block_read2");
+  subgroup_generic(input, expected, 2);
+}
+MAKE_UTEST_FROM_FUNCTION(compiler_subgroup_buffer_block_read2);
+void compiler_subgroup_buffer_block_read4(void)
+{
+  cl_uint *input = NULL;
+  cl_uint *expected = NULL;
+  OCL_CREATE_KERNEL_FROM_FILE("compiler_subgroup_buffer_block_read",
+                              "compiler_subgroup_buffer_block_read4");
+  subgroup_generic(input, expected, 4);
+}
+MAKE_UTEST_FROM_FUNCTION(compiler_subgroup_buffer_block_read4);
+void compiler_subgroup_buffer_block_read8(void)
+{
+  cl_uint *input = NULL;
+  cl_uint *expected = NULL;
+  OCL_CREATE_KERNEL_FROM_FILE("compiler_subgroup_buffer_block_read",
+                              "compiler_subgroup_buffer_block_read8");
+  subgroup_generic(input, expected, 8);
+}
+MAKE_UTEST_FROM_FUNCTION(compiler_subgroup_buffer_block_read8);