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Adds a `DeviceOptions` provider and updates the OptionsContext and OptionsProviders to use `llvm::Error`s instead of `mlirtrt::Status` since the latter is not accessible to the OptionsContext.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| //===- OptionsProviders.cpp -------------------------------------*- C++ -*-===// | ||
| // | ||
| // SPDX-FileCopyrightText: Copyright 2024 NVIDIA CORPORATION & AFFILIATES. | ||
| // All rights reserved. | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
| /// | ||
| /// Data structures and functions for manipulating compiler options. | ||
| /// | ||
| //===----------------------------------------------------------------------===// | ||
| #include "mlir-tensorrt/Compiler/OptionsProviders.h" | ||
| #include "cuda_runtime_api.h" | ||
| #include "llvm/Support/Error.h" | ||
|
|
||
| // TODO (pranavm): Check if we can just reuse `DeviceInfo.cpp`? | ||
| llvm::Error mlirtrt::compiler::DeviceOptions::inferDeviceOptionsFromHost() { | ||
| cudaDeviceProp properties; | ||
| cudaError_t err = cudaGetDeviceProperties(&properties, 0); | ||
| if (err != cudaSuccess) | ||
| return llvm::createStringError("failed to get cuda device properties"); | ||
|
|
||
| int ccMajor = 0; | ||
| int ccMinor = 0; | ||
| err = cudaDeviceGetAttribute( | ||
| &ccMajor, cudaDeviceAttr::cudaDevAttrComputeCapabilityMajor, 0); | ||
| if (err != cudaSuccess) | ||
| return llvm::createStringError( | ||
| "failed to get cuda device compute capability"); | ||
| err = cudaDeviceGetAttribute( | ||
| &ccMinor, cudaDeviceAttr::cudaDevAttrComputeCapabilityMinor, 0); | ||
| if (err != cudaSuccess) | ||
| return llvm::createStringError( | ||
| "failed to get cuda device compute capability"); | ||
|
|
||
| // We want SM version as a single number. | ||
| int64_t smVersion = ccMajor * 10 + ccMinor; | ||
| this->computeCapability = smVersion; | ||
| this->maxSharedMemoryPerBlockKb = properties.sharedMemPerBlock / 1024; | ||
| this->maxRegistersPerBlock = properties.regsPerBlock; | ||
| return llvm::Error::success(); | ||
| } | ||
|
|
||
| llvm::Error mlirtrt::compiler::DeviceOptions::finalize() { | ||
| if (shouldInferFromHost) { | ||
| // TODO (pranavm): How to check whether options were provided? | ||
| // Does llvm::cl have a notion of mutually exclusive options like Python's | ||
| // argparse? | ||
| return inferDeviceOptionsFromHost(); | ||
| } | ||
| return llvm::Error::success(); | ||
| } |
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