69 lines
2 KiB
C++
Executable file
69 lines
2 KiB
C++
Executable file
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#include <iostream>
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#include <memory>
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#include <vector>
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#include "kompute/Kompute.hpp"
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static std::vector<uint32_t>
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compileSource(
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const std::string& source)
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{
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if (system(std::string("glslangValidator --stdin -S comp -V -o tmp_kp_shader.comp.spv << END\n" + source + "\nEND").c_str()))
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throw std::runtime_error("Error running glslangValidator command");
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std::ifstream fileStream("tmp_kp_shader.comp.spv", std::ios::binary);
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std::vector<char> buffer;
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buffer.insert(buffer.begin(), std::istreambuf_iterator<char>(fileStream), {});
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return {(uint32_t*)buffer.data(), (uint32_t*)(buffer.data() + buffer.size())};
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}
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int main()
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{
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#if KOMPUTE_ENABLE_SPDLOG
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spdlog::set_level(
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static_cast<spdlog::level::level_enum>(SPDLOG_ACTIVE_LEVEL));
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#endif
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kp::Manager mgr;
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auto tensorInA = mgr.tensor({ 2.0, 4.0, 6.0 });
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auto tensorInB = mgr.tensor({ 0.0, 1.0, 2.0 });
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auto tensorOut = mgr.tensor({ 0.0, 0.0, 0.0 });
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std::string shader(R"(
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// The version to use
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#version 450
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// The execution structure
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layout (local_size_x = 1) in;
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// The buffers are provided via the tensors
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layout(binding = 0) buffer bufA { float a[]; };
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layout(binding = 1) buffer bufB { float b[]; };
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layout(binding = 2) buffer bufOut { float o[]; };
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void main() {
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uint index = gl_GlobalInvocationID.x;
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o[index] = a[index] * b[index];
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}
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)");
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std::vector<std::shared_ptr<kp::Tensor>> params = { tensorInA, tensorInB, tensorOut };
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std::shared_ptr<kp::Algorithm> algo = mgr.algorithm(params, kp_test_utils::compileSource(shader));
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mgr.sequence()
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->record<kp::OpTensorSyncDevice>(params)
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->record<kp::OpAlgoDispatch>(algo)
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->record<kp::OpTensorSyncLocal>(params)
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->eval();
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// prints "Output { 0 4 12 }"
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std::cout<< "Output: { ";
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for (const float& elem : tensorOut->vector()) {
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std::cout << elem << " ";
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}
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std::cout << "}" << std::endl;
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}
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