Add clang-sycl-nvidia workflow (#800)

* Add clang-sycl-nvidia workflow preset
* Update CMakePresets.json
* Use compiler root in find_path() for DPCPP
* Delete configure-sycl-nv-cmake.sh
* Use 16 parallel jobs for build

Author: thilinarmtb

CMakePresets.json

@@ -9,7 +9,7 @@
     {
       "name": "base",
       "hidden": true,
-      "description": "OCCA configure base",
+      "displayName": "Configure base",
       "generator": "Unix Makefiles",
       "binaryDir": "$env{OCCA_BUILD_DIR}",
       "installDir": "$env{OCCA_INSTALL_DIR}",
@@ -30,7 +30,10 @@
         "OCCA_ENABLE_FORTRAN": "$env{OCCA_ENABLE_FORTRAN}",
         "OCCA_ENABLE_TESTS": "$env{OCCA_ENABLE_TESTS}",
         "OCCA_ENABLE_EXAMPLES": "$env{OCCA_ENABLE_EXAMPLES}",
-        "OCCA_ENABLE_CLANG_TRANSPILER": "$env{OCCA_ENABLE_CLANG_TRANSPILER}"
+        "OCCA_ENABLE_CLANG_TRANSPILER": "$env{OCCA_ENABLE_CLANG_TRANSPILER}",
+        "OCCA_DPCPP_COMPILER": "$env{OCCA_DPCPP_COMPILER}",
+        "OCCA_DPCPP_COMPILER_FLAGS": "$env{OCCA_DPCPP_COMPILER_FLAGS}",
+        "SYCL_FLAGS": "$env{OCCA_DPCPP_COMPILER_FLAGS}"
       },
       "environment": {
         "OCCA_BUILD_DIR": "${sourceDir}/build",
@@ -49,7 +52,7 @@
     },
     {
       "name": "system-default",
-      "description": "OCCA configure with system default compilers",
+      "displayName": "Configure with system default compilers",
       "inherits": "base",
       "environment": {
         "CC": "$penv{CC}",
@@ -62,7 +65,7 @@
     },
     {
       "name": "gnu-default",
-      "description": "OCCA configure with GNU compilers",
+      "displayName": "Configure with GNU compilers",
       "inherits": "base",
       "environment": {
         "CC": "gcc",
@@ -73,7 +76,7 @@
     },
     {
       "name": "clang-default",
-      "description": "OCCA configure with LLVM/Clang compilers",
+      "displayName": "Configure with LLVM/Clang compilers",
       "inherits": "base",
       "environment": {
         "CC": "clang",
@@ -82,9 +85,19 @@
         "OCCA_ENABLE_FORTRAN": "OFF"
       }
     },
+    {
+      "name" : "clang-sycl-nvidia",
+      "displayName": "Configure with SYCL using LLVM/Clang compilers on Nvidia hardware",
+      "inherits": "clang-default",
+      "environment": {
+        "OCCA_ENABLE_DPCPP": "ON",
+        "OCCA_DPCPP_COMPILER": "clang++",
+        "OCCA_DPCPP_COMPILER_FLAGS": "-fsycl -fsycl-targets=nvptx64-nvidia-cuda"
+      }
+    },
     {
       "name": "oneapi-default",
-      "description": "OCCA configure with oneAPI compilers",
+      "displayName": "Configure with oneAPI compilers",
       "inherits": "base",
       "environment": {
         "CC": "icx",
@@ -98,26 +111,32 @@
   "buildPresets": [
     {
       "name": "system-default",
-      "description": "OCCA build with system default compilers",
+      "displayName": "Build with system default compilers",
       "configurePreset": "system-default",
       "targets": ["install"],
-      "jobs": 8
+      "jobs": 16
     },
     {
       "name": "gnu-default",
-      "description": "OCCA build with GNU compilers",
+      "displayName": "Build with GNU compilers",
       "inherits": "system-default",
       "configurePreset": "gnu-default"
     },
     {
       "name": "clang-default",
-      "description": "OCCA build with LLVM/Clang compilers",
+      "displayName": "Build with LLVM/Clang compilers",
       "inherits": "system-default",
       "configurePreset": "clang-default"
     },
+    {
+      "name": "clang-sycl-nvidia",
+      "displayName": "Build with SYCL using LLVM/Clang compilers on Nvidia hardware",
+      "inherits": "clang-default",
+      "configurePreset": "clang-sycl-nvidia"
+    },
     {
       "name": "oneapi-default",
-      "description": "OCCA build with oneAPI compilers",
+      "displayName": "Build with oneAPI compilers",
       "inherits": "system-default",
       "configurePreset": "oneapi-default"
     }
@@ -145,6 +164,12 @@
       "inherits": "system-default",
       "configurePreset": "clang-default"
     },
+    {
+      "name": "clang-sycl-nvidia",
+      "displayName": "Run tests with SYCL using LLVM/Clang compilers on Nvidia hardware",
+      "inherits": "clang-default",
+      "configurePreset": "clang-sycl-nvidia"
+    },
     {
       "name": "gnu-default",
       "displayName": "Run tests with GNU compilers",
@@ -166,7 +191,7 @@
   "workflowPresets": [
     {
       "name": "system-default",
-      "displayName": "Configure, build and install with system default compilers",
+      "displayName": "Configure, build, install and test with system default compilers",
       "steps": [
         {
           "type": "configure",
@@ -184,7 +209,7 @@
     },
     {
       "name": "gnu-default",
-      "displayName": "Configure, build and install with GNU compilers",
+      "displayName": "Configure, build, install and test with GNU compilers",
       "steps": [
         {
           "type": "configure",
@@ -202,7 +227,7 @@
     },
     {
       "name": "clang-default",
-      "displayName": "Configure, build and install with LLVM/Clang compilers",
+      "displayName": "Configure, build, install and test with LLVM/Clang compilers",
       "steps": [
         {
           "type": "configure",
@@ -218,9 +243,27 @@
         }
       ]
     },
+    {
+      "name": "clang-sycl-nvidia",
+      "displayName": "Configure, build, install and test with SYCL using LLVM/Clang compilers on Nvidia hardware",
+      "steps": [
+        {
+          "type": "configure",
+          "name": "clang-sycl-nvidia"
+        },
+        {
+          "type": "build",
+          "name": "clang-sycl-nvidia"
+        },
+        {
+          "type": "test",
+          "name": "clang-sycl-nvidia"
+        }
+      ]
+    },
     {
       "name": "oneapi-default",
-      "displayName": "Configure, build and install with oneAPI compilers",
+      "displayName": "Configure, build, install and test with oneAPI compilers",
       "steps": [
         {
           "type": "configure",

CMakeUserPresets.json

@@ -20,8 +20,7 @@
     {
       "name": "my-local-build",
       "inherits": "gnu-default",
-      "configurePreset": "my-local-config",
-      "jobs": 16
+      "configurePreset": "my-local-config"
     }
   ],
   "testPresets": [

cmake/FindDPCPP.cmake

@@ -6,6 +6,10 @@
 message(CHECK_START "Looking for DPC++")
 unset(missingDpcppComponents)
 
+cmake_path(CONVERT "${CMAKE_CXX_COMPILER}" TO_CMAKE_PATH_LIST compiler_path)
+cmake_path(GET compiler_path PARENT_PATH compiler_bin_dir)
+cmake_path(GET compiler_bin_dir PARENT_PATH compiler_root_dir)
+
 find_path(
   SYCL_INCLUDE_DIRS
   NAMES
@@ -14,7 +18,9 @@ find_path(
     ENV SYCL_ROOT
     /opt/intel/oneapi/compiler/latest/linux
     ${SYCL_ROOT}
+    ${compiler_root_dir}
   PATH_SUFFIXES
+    include
     include/sycl
     include/CL
     include/sycl/CL
@@ -28,6 +34,7 @@ find_library(
     ENV SYCL_ROOT
     /opt/intel/oneapi/compiler/latest/linux
     ${SYCL_ROOT}
+    ${compiler_root_dir}
   PATH_SUFFIXES
     lib
 )