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get slow but correct results for intermediate

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This commit is contained in:
Arif Hasanic
2025-12-27 21:29:50 +01:00
parent c86af91a92
commit c957b833d3
9 changed files with 61 additions and 13 deletions
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1
.gitignore vendored
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@@ -43,3 +43,4 @@ include/divisible/*
build/
.cache/
.vscode/
assignment/

1
CMakeLists.txt
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@@ -34,6 +34,7 @@ elseif (WIN32)
set(RENDERDOC_PATH "C:\\Program Files\\RenderDoc")
endif()
else ()
set(RENDERDOC_PATH "/usr/lib/")
#LINUX PATH HERE
endif ()

BIN
device_selection_cache Normal file
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4
shaders/A2Task1Interleaved.comp
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@@ -17,5 +17,7 @@ layout(push_constant) uniform PushStruct {
layout(binding = 0) buffer inoutBufer {uint v[];};
void main() {
// TODO: Kernel implementation
uint idx = gl_GlobalInvocationID.x;
v[idx] += v[idx + p.stride];
}

7
shaders/A2Task1Sequential.comp
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@@ -17,5 +17,10 @@ layout(push_constant) uniform PushStruct {
layout(binding = 0) buffer inoutBufer { uint v[]; };
void main() {
// TODO: Kernel implementation
uint gIDx = gl_GlobalInvocationID.x;
if (gIDx >= p.size) {
return;
}
v[gIDx] = v[gIDx] + v[gIDx + p.offset];
}

1
shaders/A2Task2Naive.comp
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@@ -19,5 +19,4 @@ layout(binding = 0) buffer inBuffer { uint v[]; };
layout(binding = 1) buffer outBufer { uint g_v[]; };
void main() {
// TODO: Kernel implementation
}

19
src/A2Task1Solution/Interleaved.cpp
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@@ -49,6 +49,25 @@ void A2Task1SolutionInterleaved::compute()
// TODO: Implement reduction with interleaved addressing
cb.bindPipeline(vk::PipelineBindPoint::eCompute, pipeline);
cb.bindDescriptorSets(vk::PipelineBindPoint::eCompute, pipelineLayout, 0, 1, &descriptorSet, 0, nullptr);
uint inputSize = mpInput->size();
PushConstant pc;
pc.size = inputSize;
for (uint stride = inputSize / 2; stride > 0; stride >>= 1)
{
pc.stride = stride;
cb.pushConstants(pipelineLayout, vk::ShaderStageFlagBits::eCompute, 0, sizeof(PushConstant), &pc);
cb.dispatch((stride + workGroupSize - 1) / workGroupSize, 1, 1);
vk::MemoryBarrier memoryBarrier(vk::AccessFlagBits::eShaderWrite, vk::AccessFlagBits::eShaderRead);
cb.pipelineBarrier(vk::PipelineStageFlagBits::eComputeShader, vk::PipelineStageFlagBits::eComputeShader,
vk::DependencyFlags(), 1, &memoryBarrier, 0, nullptr, 0, nullptr);
}
cb.end();
vk::SubmitInfo submitInfo = vk::SubmitInfo(0, nullptr, nullptr, 1, &cb);

23
src/A2Task1Solution/Sequential.cpp
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@@ -1,6 +1,7 @@
#include "Sequential.h"
#include "host_timer.h"
#include <iostream>
A2Task1SolutionSequential::A2Task1SolutionSequential(AppResources &app, uint workGroupSize) :
app(app), workGroupSize(workGroupSize) {}
@@ -47,7 +48,27 @@ void A2Task1SolutionSequential::compute()
cb.begin(beginInfo);
// TODO: Implement reduction with sequential addressing
cb.resetQueryPool(app.queryPool, 0, 1);
cb.bindPipeline(vk::PipelineBindPoint::eCompute, pipeline);
cb.bindDescriptorSets(vk::PipelineBindPoint::eCompute, pipelineLayout, 0, 1, &descriptorSet, 0, nullptr);
uint inputSize = mpInput->size();
PushConstant pc;
pc.size = inputSize;
pc.offset = inputSize / 2;
for (; pc.offset != 0 ; pc.offset = pc.offset / 2)
{
cb.pushConstants(pipelineLayout, vk::ShaderStageFlagBits::eCompute, 0, sizeof(PushConstant), &pc);
uint groupCount = (pc.size + pc.offset + workGroupSize - 1) / workGroupSize;
cb.dispatch(groupCount, 1, 1);
vk::MemoryBarrier memoryBarrier(vk::AccessFlagBits::eShaderWrite, vk::AccessFlagBits::eShaderRead);
cb.pipelineBarrier(vk::PipelineStageFlagBits::eComputeShader, vk::PipelineStageFlagBits::eComputeShader,
vk::DependencyFlags(), 1, &memoryBarrier, 0, nullptr, 0, nullptr);
}
cb.end();

14
src/main.cpp
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@@ -45,14 +45,14 @@ void run_A2_task1(AppResources &app){
A2Task1SolutionSequential sequentialSolution(app, 128);
evaluateTask1Solution(&sequentialSolution, "Sequential");
A2Task1SolutionKernelDecomposition kernelDecompositionSolution(app, 128, workingDir +"build/shaders/A2Task1KernelDecomposition.comp.spv");
evaluateTask1Solution(&kernelDecompositionSolution, "KernelDecomposition");
// A2Task1SolutionKernelDecomposition kernelDecompositionSolution(app, 128, workingDir +"build/shaders/A2Task1KernelDecomposition.comp.spv");
// evaluateTask1Solution(&kernelDecompositionSolution, "KernelDecomposition");
A2Task1SolutionKernelDecomposition kernelDecompositionUnrollSolution(app, 128, workingDir +"build/shaders/A2Task1KernelDecompositionUnroll.comp.spv");
evaluateTask1Solution(&kernelDecompositionUnrollSolution, "KernelDecomposition Unroll");
// A2Task1SolutionKernelDecomposition kernelDecompositionUnrollSolution(app, 128, workingDir +"build/shaders/A2Task1KernelDecompositionUnroll.comp.spv");
// evaluateTask1Solution(&kernelDecompositionUnrollSolution, "KernelDecomposition Unroll");
A2Task1SolutionKernelDecomposition kernelDecompositionAtomicSolution(app, 128, workingDir +"build/shaders/A2Task1KernelDecompositionAtomic.comp.spv");
evaluateTask1Solution(&kernelDecompositionAtomicSolution, "KernelDecomposition Atomic");
// A2Task1SolutionKernelDecomposition kernelDecompositionAtomicSolution(app, 128, workingDir +"build/shaders/A2Task1KernelDecompositionAtomic.comp.spv");
// evaluateTask1Solution(&kernelDecompositionAtomicSolution, "KernelDecomposition Atomic");
}
void run_A2_task2(AppResources& app){
@@ -111,7 +111,7 @@ int main()
run_A2_task1(app);
run_A2_task2(app);
// run_A2_task2(app);
renderdoc::endCapture();