wehub-resource-sync
72 lines
2.0 KiB
Plaintext
72 lines
2.0 KiB
Plaintext
#include "SelectExecution.hpp"
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#include "core/MusaBackend.hpp"
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namespace MNN {
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namespace MUSA {
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template<typename T>
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__global__ void SelectKernel(const bool* condition, const T* x, const T* y, T* output, int totalSize) {
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int index = blockIdx.x * blockDim.x + threadIdx.x;
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if (index < totalSize) {
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output[index] = condition[index] ? x[index] : y[index];
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}
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}
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SelectExecution::SelectExecution(const std::vector<Tensor*>& inputs, const MNN::Op* op, Backend* backend)
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: Execution(inputs, {}, backend) {
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mBackend = static_cast<MusaBackend*>(backend);
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}
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ErrorCode SelectExecution::onResize(const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs) {
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auto output = outputs[0];
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mTotalSize = 1;
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for (int i = 0; i < output->dimensions(); i++) {
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mTotalSize *= output->length(i);
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}
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int threads = 256;
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int blocks = (mTotalSize + threads - 1) / threads;
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mDim3Grid = {blocks, 1, 1};
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mDim3Block = {threads, 1, 1};
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return NO_ERROR;
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}
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ErrorCode SelectExecution::onExecute(const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs) {
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auto condition = inputs[0];
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auto x = inputs[1];
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auto y = inputs[2];
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auto output = outputs[0];
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auto conditionPtr = condition->host<bool>();
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auto xPtr = x->host<float>();
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auto yPtr = y->host<float>();
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auto outputPtr = output->host<float>();
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SelectKernel<<<mDim3Grid, mDim3Block>>>(
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conditionPtr, xPtr, yPtr, outputPtr, mTotalSize
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);
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musaError_t err = musaGetLastError();
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if (err != musaSuccess) {
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return COMPUTE_NO_SUPPORT;
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}
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return NO_ERROR;
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}
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class SelectCreator : public Creator {
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public:
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virtual Execution* onCreate(const std::vector<Tensor*>& inputs, const MNN::Op* op, Backend* backend) const override {
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return new SelectExecution(inputs, op, backend);
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}
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};
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MNNCreatorRegister<SelectCreator> gSelectRegistration(OpType_Select);
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} // namespace MUSA
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} // namespace MNN
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