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Merge pull request #3313 from JasonRuonanWang/ssc
Enable memory selection in ssc reader
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,205 @@ | ||
| /* | ||
| * Distributed under the OSI-approved Apache License, Version 2.0. See | ||
| * accompanying file Copyright.txt for details. | ||
| * | ||
| * TestSsc3DMemSelect.cpp | ||
| * | ||
| * Created on: Aug 12, 2022 | ||
| * Author: Jason Wang | ||
| */ | ||
|
|
||
| #include <adios2.h> | ||
| #include <gtest/gtest.h> | ||
| #include <numeric> | ||
| #include <thread> | ||
|
|
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| using namespace adios2; | ||
| int mpiRank = 0; | ||
| int mpiSize = 1; | ||
| MPI_Comm mpiComm; | ||
|
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| size_t steps = 100; | ||
|
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| Dims shape = {4, 4, 4}; | ||
| std::vector<int> global_data = {0, 1, 2, 3, 10, 11, 12, 13, | ||
| 20, 21, 22, 23, 30, 31, 32, 33, | ||
|
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| 100, 101, 102, 103, 110, 111, 112, 113, | ||
| 120, 121, 122, 123, 130, 131, 132, 133, | ||
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| 200, 201, 202, 203, 210, 211, 212, 213, | ||
| 220, 221, 222, 223, 230, 231, 232, 233, | ||
|
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| 300, 301, 302, 303, 310, 311, 312, 313, | ||
| 320, 321, 322, 323, 330, 331, 332, 333}; | ||
|
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| Dims start = {1, 2, 1}; | ||
| Dims count = {2, 1, 2}; | ||
| std::vector<int> writer_data = {121, 122, 221, 222}; | ||
|
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| Dims memStart = {0, 1, 1}; | ||
| Dims memCount = {3, 3, 3}; | ||
| std::vector<int> reader_data = {11, 12, 13, 21, 22, 23, 31, 32, 33, | ||
|
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| 111, 112, 113, 121, 122, 123, 131, 132, 133, | ||
|
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| 211, 212, 213, 221, 222, 223, 231, 232, 233}; | ||
|
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| class SscEngineTest : public ::testing::Test | ||
| { | ||
| public: | ||
| SscEngineTest() = default; | ||
| }; | ||
|
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| template <class T> | ||
| void PrintData(const T *data, const size_t step, const Dims &start, | ||
| const Dims &count) | ||
| { | ||
| size_t size = std::accumulate(count.begin(), count.end(), 1, | ||
| std::multiplies<size_t>()); | ||
| std::cout << "Step: " << step << " Size:" << size << "\n"; | ||
| size_t printsize = 128; | ||
|
|
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| if (size < printsize) | ||
| { | ||
| printsize = size; | ||
| } | ||
| int s = 0; | ||
| for (size_t i = 0; i < printsize; ++i) | ||
| { | ||
| ++s; | ||
| std::cout << data[i] << " "; | ||
| if (s == count[1]) | ||
| { | ||
| std::cout << std::endl; | ||
| s = 0; | ||
| } | ||
| } | ||
|
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| std::cout << "]" << std::endl; | ||
| } | ||
|
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| void VerifyData(const int *data, size_t step, const Dims &start, | ||
| const Dims &count, const Dims &shape) | ||
| { | ||
| size_t size = std::accumulate(count.begin(), count.end(), 1, | ||
| std::multiplies<size_t>()); | ||
| bool compressed = false; | ||
| for (size_t i = 0; i < size; ++i) | ||
| { | ||
| if (!compressed) | ||
| { | ||
| ASSERT_EQ(data[i], reader_data[i]); | ||
| } | ||
| } | ||
| } | ||
|
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| void Writer(const Params &engineParams) | ||
| { | ||
| adios2::ADIOS adios(mpiComm); | ||
| adios2::IO io = adios.DeclareIO("io"); | ||
| io.SetEngine("ssc"); | ||
| io.SetParameters(engineParams); | ||
| auto varInts = io.DefineVariable<int>("varInts", shape, start, count); | ||
| adios2::Engine engine = io.Open("stream", adios2::Mode::Write); | ||
| for (size_t i = 0; i < steps; ++i) | ||
| { | ||
| engine.BeginStep(); | ||
| engine.Put(varInts, writer_data.data(), adios2::Mode::Sync); | ||
| engine.EndStep(); | ||
| } | ||
| engine.Close(); | ||
| } | ||
|
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| void Reader(const Params &engineParams) | ||
| { | ||
| adios2::ADIOS adios(mpiComm); | ||
| adios2::IO io = adios.DeclareIO("io"); | ||
| io.SetEngine("ssc"); | ||
| io.SetParameters(engineParams); | ||
| adios2::Engine engine = io.Open("stream", adios2::Mode::Read); | ||
| std::vector<int> myInts = reader_data; | ||
| while (true) | ||
| { | ||
| adios2::StepStatus status = engine.BeginStep(StepMode::Read, 5); | ||
| if (status == adios2::StepStatus::OK) | ||
| { | ||
| const auto &vars = io.AvailableVariables(); | ||
| ASSERT_EQ(vars.size(), 1); | ||
| size_t currentStep = engine.CurrentStep(); | ||
| adios2::Variable<int> varInts = io.InquireVariable<int>("varInts"); | ||
| varInts.SetSelection({start, count}); | ||
| varInts.SetMemorySelection({memStart, memCount}); | ||
| engine.Get(varInts, myInts.data(), adios2::Mode::Sync); | ||
| VerifyData(myInts.data(), currentStep, memStart, memCount, shape); | ||
| engine.EndStep(); | ||
| } | ||
| else if (status == adios2::StepStatus::EndOfStream) | ||
| { | ||
| break; | ||
| } | ||
| else if (status == adios2::StepStatus::NotReady) | ||
| { | ||
| continue; | ||
| } | ||
| } | ||
| engine.Close(); | ||
| } | ||
|
|
||
| TEST_F(SscEngineTest, TestSsc3DMemSelect) | ||
| { | ||
| { | ||
| adios2::Params engineParams = {{"Verbose", "0"}}; | ||
| int worldRank, worldSize; | ||
| MPI_Comm_rank(MPI_COMM_WORLD, &worldRank); | ||
| MPI_Comm_size(MPI_COMM_WORLD, &worldSize); | ||
| int mpiGroup = worldRank / (worldSize / 2); | ||
| MPI_Comm_split(MPI_COMM_WORLD, mpiGroup, worldRank, &mpiComm); | ||
| MPI_Comm_rank(mpiComm, &mpiRank); | ||
| MPI_Comm_size(mpiComm, &mpiSize); | ||
| if (mpiGroup == 0) | ||
| { | ||
| Writer(engineParams); | ||
| } | ||
| std::this_thread::sleep_for(std::chrono::milliseconds(1)); | ||
| if (mpiGroup == 1) | ||
| { | ||
| Reader(engineParams); | ||
| } | ||
| MPI_Barrier(MPI_COMM_WORLD); | ||
| } | ||
| { | ||
| adios2::Params engineParams = {{"Verbose", "0"}, | ||
| {"EngineMode", "naive"}}; | ||
| int worldRank, worldSize; | ||
| MPI_Comm_rank(MPI_COMM_WORLD, &worldRank); | ||
| MPI_Comm_size(MPI_COMM_WORLD, &worldSize); | ||
| int mpiGroup = worldRank / (worldSize / 2); | ||
| MPI_Comm_split(MPI_COMM_WORLD, mpiGroup, worldRank, &mpiComm); | ||
| MPI_Comm_rank(mpiComm, &mpiRank); | ||
| MPI_Comm_size(mpiComm, &mpiSize); | ||
| if (mpiGroup == 0) | ||
| { | ||
| Writer(engineParams); | ||
| } | ||
| std::this_thread::sleep_for(std::chrono::milliseconds(1)); | ||
| if (mpiGroup == 1) | ||
| { | ||
| Reader(engineParams); | ||
| } | ||
| MPI_Barrier(MPI_COMM_WORLD); | ||
| } | ||
| } | ||
|
|
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| int main(int argc, char **argv) | ||
| { | ||
| MPI_Init(&argc, &argv); | ||
| int worldRank, worldSize; | ||
| MPI_Comm_rank(MPI_COMM_WORLD, &worldRank); | ||
| MPI_Comm_size(MPI_COMM_WORLD, &worldSize); | ||
| ::testing::InitGoogleTest(&argc, argv); | ||
| int result = RUN_ALL_TESTS(); | ||
|
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| MPI_Finalize(); | ||
| return result; | ||
| } |