mirror of https://github.com/alibaba/MNN.git
62 lines
2.4 KiB
Plaintext
Executable File
62 lines
2.4 KiB
Plaintext
Executable File
//
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// MetalROIPooling.mm
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// MNN
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//
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// Created by MNN on 2019/01/30.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#import "backend/metal/MetalROIPooling.hpp"
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#import "backend/metal/MNNMetalContext.h"
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#import "core/Macro.h"
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#import "backend/metal/MetalBackend.hpp"
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#if MNN_METAL_ENABLED
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namespace MNN {
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MetalROIPooling::MetalROIPooling(Backend *backend, float spatialScale)
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: Execution(backend), mSpatialScale(spatialScale) {
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// nothing to do
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}
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ErrorCode MetalROIPooling::onExecute(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) {
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auto backend = static_cast<MetalBackend *>(this->backend());
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auto context = (__bridge MNNMetalContext *)backend->context();
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auto input = inputs[0], roi = inputs[1], output = outputs[0];
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int iw = input->width(), ih = input->height();
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int ow = output->width(), oh = output->height(), oz = UP_DIV(output->channel(), 4), ob = output->batch();
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auto shape = [context newDeviceBuffer:7 * sizeof(int) + sizeof(float) access:CPUWriteOnly];
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((int *)shape.contents)[0] = iw;
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((int *)shape.contents)[1] = ih;
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((int *)shape.contents)[2] = iw * ih;
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((int *)shape.contents)[3] = ow;
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((int *)shape.contents)[4] = oh;
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((int *)shape.contents)[5] = ow * oh;
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((int *)shape.contents)[6] = oz;
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((float *)shape.contents)[7] = mSpatialScale;
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auto encoder = [context encoder];
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auto bandwidth = [context load:@"ROI_pooling" encoder:encoder];
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[encoder setBuffer:(__bridge id<MTLBuffer>)(void *)input->deviceId() offset:0 atIndex:0];
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[encoder setBuffer:(__bridge id<MTLBuffer>)(void *)roi->deviceId() offset:0 atIndex:1];
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[encoder setBuffer:(__bridge id<MTLBuffer>)(void *)output->deviceId() offset:0 atIndex:2];
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[encoder setBuffer:shape offset:0 atIndex:3];
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[context dispatchEncoder:encoder
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threads:{ (NSUInteger) ow, (NSUInteger)oh, (NSUInteger)oz *ob }
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bandwidth:bandwidth];
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[encoder endEncoding];
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MNN_PRINT_ENCODER(context, encoder);
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return NO_ERROR;
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}
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class MetalROIPoolingCreator : public MetalBackend::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 {
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return new MetalROIPooling(backend, op->main_as_RoiPooling()->spatialScale());
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}
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};
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REGISTER_METAL_OP_CREATOR(MetalROIPoolingCreator, OpType_ROIPooling);
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} // namespace MNN
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#endif /* MNN_METAL_ENABLED */
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