add SHARPY_USE_CUDA boolean to activate cuda pipeline

Author: tkarna

src/include/sharpy/UtilsAndTypes.hpp

@@ -70,3 +70,5 @@ inline bool useGPU() {
   auto device = get_text_env("SHARPY_DEVICE");
   return !(device.empty() || device == "host" || device == "cpu");
 }
+
+inline bool useCUDA() { return get_bool_env("SHARPY_USE_CUDA"); }

src/jit/mlir.cpp

@@ -746,36 +746,74 @@ static const std::string gpu_pipeline =
     "func.func(convert-parallel-loops-to-gpu),"
     // insert-gpu-allocs pass can have client-api = opencl or vulkan args
     "func.func(insert-gpu-allocs{in-regions=1}),"
-    // ** imex GPU passes
-    // "drop-regions,"
-    // "canonicalize,"
-    // // "normalize-memrefs,"
-    // // "gpu-decompose-memrefs,"
-    // "func.func(lower-affine),"
-    // "gpu-kernel-outlining,"
-    // "canonicalize,"
-    // "cse,"
-    // // The following set-spirv-* passes can have client-api = opencl or
-    // vulkan
-    // // args
-    // "set-spirv-capabilities{client-api=opencl},"
-    // "gpu.module(set-spirv-abi-attrs{client-api=opencl}),"
-    // "canonicalize,"
-    // "fold-memref-alias-ops,"
-    // "imex-convert-gpu-to-spirv{enable-vc-intrinsic=1},"
-    // "spirv.module(spirv-lower-abi-attrs),"
-    // "spirv.module(spirv-update-vce),"
-    // // "func.func(llvm-request-c-wrappers),"
-    // "serialize-spirv,"
-    // "expand-strided-metadata,"
-    // "lower-affine,"
-    // "convert-gpu-to-gpux,"
-    // "convert-func-to-llvm,"
-    // "convert-math-to-llvm,"
-    // "convert-gpux-to-llvm,"
-    // "finalize-memref-to-llvm,"
-    // "reconcile-unrealized-casts";
-    // ** nv GPU passes
+    "drop-regions,"
+    "canonicalize,"
+    // "normalize-memrefs,"
+    // "gpu-decompose-memrefs,"
+    "func.func(lower-affine),"
+    "gpu-kernel-outlining,"
+    "canonicalize,"
+    "cse,"
+    // The following set-spirv-* passes can have client-api = opencl or vulkan
+    // args
+    "set-spirv-capabilities{client-api=opencl},"
+    "gpu.module(set-spirv-abi-attrs{client-api=opencl}),"
+    "canonicalize,"
+    "fold-memref-alias-ops,"
+    "imex-convert-gpu-to-spirv{enable-vc-intrinsic=1},"
+    "spirv.module(spirv-lower-abi-attrs),"
+    "spirv.module(spirv-update-vce),"
+    // "func.func(llvm-request-c-wrappers),"
+    "serialize-spirv,"
+    "expand-strided-metadata,"
+    "lower-affine,"
+    "convert-gpu-to-gpux,"
+    "convert-func-to-llvm,"
+    "convert-math-to-llvm,"
+    "convert-gpux-to-llvm,"
+    "finalize-memref-to-llvm,"
+    "reconcile-unrealized-casts";
+
+static const std::string cuda_pipeline =
+    "add-gpu-regions,"
+    "canonicalize,"
+    "ndarray-dist,"
+    "func.func(dist-coalesce),"
+    "func.func(dist-infer-elementwise-cores),"
+    "convert-dist-to-standard,"
+    "canonicalize,"
+    "overlap-comm-and-compute,"
+    "add-comm-cache-keys,"
+    "lower-distruntime-to-idtr,"
+    "convert-ndarray-to-linalg,"
+    "canonicalize,"
+    "func.func(tosa-make-broadcastable),"
+    "func.func(tosa-to-linalg),"
+    "func.func(tosa-to-tensor),"
+    "canonicalize,"
+    "linalg-fuse-elementwise-ops,"
+    "arith-expand,"
+    "memref-expand,"
+    "arith-bufferize,"
+    "func-bufferize,"
+    "func.func(empty-tensor-to-alloc-tensor),"
+    "func.func(scf-bufferize),"
+    "func.func(tensor-bufferize),"
+    "func.func(bufferization-bufferize),"
+    "func.func(linalg-bufferize),"
+    "func.func(linalg-detensorize),"
+    "func.func(tensor-bufferize),"
+    "region-bufferize,"
+    "canonicalize,"
+    "func.func(finalizing-bufferize),"
+    "imex-remove-temporaries,"
+    "func.func(convert-linalg-to-parallel-loops),"
+    "func.func(scf-parallel-loop-fusion),"
+    // is add-outer-parallel-loop needed?
+    "func.func(imex-add-outer-parallel-loop),"
+    "func.func(gpu-map-parallel-loops),"
+    "func.func(convert-parallel-loops-to-gpu),"
+    "func.func(insert-gpu-allocs{in-regions=1}),"
     "func.func(insert-gpu-copy),"
     "drop-regions,"
     "canonicalize,"
@@ -797,7 +835,9 @@ static const std::string gpu_pipeline =
 
 const std::string _passes(get_text_env("SHARPY_PASSES"));
 static const std::string &pass_pipeline =
-    _passes != "" ? _passes : (useGPU() ? gpu_pipeline : cpu_pipeline);
+    _passes != "" ? _passes
+                  : (useGPU() ? (useCUDA() ? cuda_pipeline : gpu_pipeline)
+                              : cpu_pipeline);
 
 JIT::JIT(const std::string &libidtr)
     : _context(::mlir::MLIRContext::Threading::DISABLED), _pm(&_context),
@@ -849,23 +889,24 @@ JIT::JIT(const std::string &libidtr)
   _crunnerlib = mlirRoot + "/lib/libmlir_c_runner_utils.so";
   _runnerlib = mlirRoot + "/lib/libmlir_runner_utils.so";
   if (!std::ifstream(_crunnerlib)) {
-    throw std::runtime_error("Cannot find libmlir_c_runner_utils.so");
+    throw std::runtime_error("Cannot find lib: " + _crunnerlib);
   }
   if (!std::ifstream(_runnerlib)) {
-    throw std::runtime_error("Cannot find libmlir_runner_utils.so");
+    throw std::runtime_error("Cannot find lib: " + _runnerlib);
   }
 
   if (useGPU()) {
     auto gpuxlibstr = get_text_env("SHARPY_GPUX_SO");
     if (!gpuxlibstr.empty()) {
       _gpulib = std::string(gpuxlibstr);
     } else {
-      // auto imexRoot = get_text_env("IMEXROOT");
-      // imexRoot = !imexRoot.empty() ? imexRoot : std::string(CMAKE_IMEX_ROOT);
-      // _gpulib = imexRoot + "/lib/liblevel-zero-runtime.so";
-      // _gpulib = imexRoot + "/lib/liblevel-zero-runtime.so";
-      // for nv gpu
-      _gpulib = mlirRoot + "/lib/libmlir_cuda_runtime.so";
+      if (useCUDA()) {
+        _gpulib = mlirRoot + "/lib/libmlir_cuda_runtime.so";
+      } else {
+        auto imexRoot = get_text_env("IMEXROOT");
+        imexRoot = !imexRoot.empty() ? imexRoot : std::string(CMAKE_IMEX_ROOT);
+        _gpulib = imexRoot + "/lib/liblevel-zero-runtime.so";
+      }
       if (!std::ifstream(_gpulib)) {
         throw std::runtime_error("Cannot find lib: " + _gpulib);
       }