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2026-07-13 13:33:03 +08:00

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//
// VulkanRelu.cpp
// MNN
//
// Created by MNN on 2019/01/31.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include "VulkanRelu.hpp"
#include "core/Macro.h"
#include "core/TensorUtils.hpp"
namespace MNN {
struct GpuReluParam {
ivec4 imgSize;
vec4 slope;
};
//--------------------------relu--------------------------//
VulkanRelu::VulkanRelu(Backend *bn, const Op* op) : VulkanBasicExecution(bn) {
auto vulkanBn = static_cast<VulkanBackend *>(bn);
if (op->type() == OpType_ReLU6) {
float minv = 0.0f;
float maxv = 6.0f;
if (nullptr != op->main_as_Relu6()) {
minv = op->main_as_Relu6()->minValue();
maxv = op->main_as_Relu6()->maxValue();
}
mSlope[0] = minv;
mSlope[1] = maxv;
mReluPipeline = vulkanBn->getPipeline("glsl_relu6_comp", {VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER});
} else {
if (op->type() == OpType_ReLU) {
mSlope[0] = op->main_as_Relu()->slope();
mSlope[1] = op->main_as_Relu()->slope();
mSlope[2] = op->main_as_Relu()->slope();
mSlope[3] = op->main_as_Relu()->slope();
} else {
// PRELU
auto slope = op->main_as_PRelu()->slope()->data()[0];
mSlope[0] = slope;
mSlope[1] = slope;
mSlope[2] = slope;
mSlope[3] = slope;
}
mReluPipeline = vulkanBn->getPipeline("glsl_relu_comp", {VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER});
}
}
VulkanRelu::~VulkanRelu() {
}
ErrorCode VulkanRelu::onEncode(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs,
const VulkanCommandPool::Buffer *cmdBuffer) {
auto input = inputs[0];
auto output = outputs[0];
auto vkBn = (VulkanBackend *)backend();
auto inputTensor = reinterpret_cast<VulkanTensor*>(input->deviceId());
auto outputTensor = reinterpret_cast<VulkanTensor*>(output->deviceId());
auto vkOutput = reinterpret_cast<VulkanTensor*>(output->deviceId());
auto vkInput = reinterpret_cast<VulkanTensor*>(input->deviceId());
mDescriptorSet.resize(vkOutput->imageSize());
mGpuReluParam.resize(vkOutput->imageSize());
for (int i=0; i<vkOutput->imageSize(); ++i) {
mGpuReluParam[i].reset(new VulkanBuffer(vkBn->getMemoryPool(), false, sizeof(GpuReluParam), nullptr,
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT));
auto reluParam = reinterpret_cast<GpuReluParam *>(mGpuReluParam[i]->map());
::memset(reluParam, 0, sizeof(GpuReluParam));
reluParam->imgSize[0] = inputTensor->image(i)->width();
reluParam->imgSize[1] = inputTensor->image(i)->height();
reluParam->imgSize[2] = inputTensor->image(i)->depth();
reluParam->imgSize[3] = 0;
for (int v=0; v<4; ++v) {
reluParam->slope[v] = mSlope[v];
}
mGpuReluParam[i]->unmap();
mDescriptorSet[i].reset(mReluPipeline->createSet());
mDescriptorSet[i]->writeImage(outputTensor->image(i)->view(), vkBn->getCommonSampler()->get(),
VK_IMAGE_LAYOUT_GENERAL, 0);
mDescriptorSet[i]->writeImage(inputTensor->image(i)->view(), vkBn->getCommonSampler()->get(),
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, 1);
mDescriptorSet[i]->writeBuffer(mGpuReluParam[i]->buffer(), 2, mGpuReluParam[i]->size());
mReluPipeline->bind(cmdBuffer->get(), mDescriptorSet[i]->get());
vkCmdDispatch(cmdBuffer->get(), UP_DIV(inputTensor->image(i)->width(), 16), UP_DIV(inputTensor->image(i)->height(), 16), 1);
}
return NO_ERROR;
}
//--------------------------Prelu--------------------------//
VulkanPrelu::VulkanPrelu(Backend *bn, const Op *op) : VulkanBasicExecution(bn) {
std::vector<VkDescriptorType> types{VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER};
auto vulkanBn = static_cast<VulkanBackend *>(bn);
mPreluPipeline = vulkanBn->getPipeline("glsl_preluWithChannel_comp",
/*glsl_preluWithChannel_comp, glsl_preluWithChannel_comp_len,*/ types);
const auto prelu = op->main_as_PRelu();
mGpuPreluParam.reset(new VulkanBuffer(vulkanBn->getMemoryPool(), false, sizeof(GpuReluParam), nullptr,
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT));
int count = ALIGN_UP4(prelu->slope()->size());
mSlope.reset(new VulkanImage(vulkanBn->getMemoryPool(), false, std::vector<int>{count / 4, 1}));
{
std::shared_ptr<VulkanBuffer> slopeBuffer(new VulkanBuffer(
vulkanBn->getMemoryPool(), false, sizeof(float) * count, nullptr, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT));
auto slope = slopeBuffer->map();
::memset(slope, 0, count * sizeof(float));
::memcpy(slope, prelu->slope()->data(), prelu->slope()->size() * sizeof(float));
slopeBuffer->unmap();
vulkanBn->copyBufferToImage(slopeBuffer.get(), mSlope.get(), VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
}
}
VulkanPrelu::~VulkanPrelu() {
}
ErrorCode VulkanPrelu::onEncode(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs,
const VulkanCommandPool::Buffer *cmdBuffer) {
auto input = inputs[0];
auto output = outputs[0];
auto preluParam = reinterpret_cast<GpuReluParam *>(mGpuPreluParam->map());
::memset(preluParam, 0, sizeof(GpuReluParam));
auto vkBn = static_cast<VulkanBackend *>(backend());
const int channelDiv4 = UP_DIV(input->channel(), 4);
preluParam->imgSize[0] = input->width();
preluParam->imgSize[1] = input->height();
preluParam->imgSize[2] = channelDiv4;
preluParam->imgSize[3] = 0;
mGpuPreluParam->flush(true, 0, sizeof(GpuReluParam));
mGpuPreluParam->unmap();
auto vkBackend = (VulkanBackend*)backend();
auto vkOutput = (VulkanTensor*)output->deviceId();
auto vkInput = (VulkanTensor*)input->deviceId();
mDescriptorSet.reset(mPreluPipeline->createSet());
mDescriptorSet->writeImage(((VulkanTensor*)output->deviceId())->image()->view(), vkBn->getCommonSampler()->get(),
VK_IMAGE_LAYOUT_GENERAL, 0);
mDescriptorSet->writeImage(((VulkanTensor*)input->deviceId())->image()->view(), vkBn->getCommonSampler()->get(),
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, 1);
mDescriptorSet->writeImage((mSlope->view()), vkBn->getCommonSampler()->get(),
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, 2);
mDescriptorSet->writeBuffer(mGpuPreluParam->buffer(), 3, mGpuPreluParam->size());
vkOutput->image()->barrierWrite(cmdBuffer->get());
vkInput->image()->barrierRead(cmdBuffer->get());
mSlope->barrierRead(cmdBuffer->get());
mPreluPipeline->bind(cmdBuffer->get(), mDescriptorSet->get());
vkCmdDispatch(cmdBuffer->get(), UP_DIV(input->width(), 16), UP_DIV(input->height(), 16), channelDiv4 * input->batch());
return NO_ERROR;
}
class VulkanReluCreator : public VulkanBackend::Creator {
public:
virtual VulkanBasicExecution *onCreate(const std::vector<Tensor *> &inputs, const std::vector<Tensor*>& outputs, const MNN::Op *op, Backend *bn) const override {
auto type = op->type();
if (OpType_ReLU6 == type) {
return new VulkanRelu(bn, op);
}
if (OpType_ReLU == type) {
return new VulkanRelu(bn, op);
} else if (1 == op->main_as_PRelu()->slopeCount()) {
return new VulkanRelu(bn, op);
} else {
return new VulkanPrelu(bn, op);
}
return nullptr;
}
};
static bool gr = []() {
VulkanBackend::addCreator(OpType_ReLU, new VulkanReluCreator);
VulkanBackend::addCreator(OpType_PReLU, new VulkanReluCreator);
VulkanBackend::addCreator(OpType_ReLU6, new VulkanReluCreator);
return true;
}();
} // namespace MNN