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/*
* Distributed under the OSI-approved Apache License, Version 2.0. See
* accompanying file Copyright.txt for details.
*/
#include <cstdint>
#include <cstring>
#include <iostream>
#include <stdexcept>
#include <adios2.h>
#include <gtest/gtest.h>
#include "../SmallTestData.h"
class BPWriteReadTestADIOS2 : public ::testing::Test
{
public:
BPWriteReadTestADIOS2() = default;
SmallTestData m_TestData;
};
//******************************************************************************
// 1D 1x8 test data
//******************************************************************************
// ADIOS2 BP write, native ADIOS1 read
TEST_F(BPWriteReadTestADIOS2, ADIOS2BPWriteRead1D8)
{
// Each process would write a 1x8 array and all processes would
// form a mpiSize * Nx 1D array
const std::string fname("ADIOS2BPWriteRead1D8.bp");
int mpiRank = 0, mpiSize = 1;
// Number of rows
const size_t Nx = 8;
// Number of steps
const size_t NSteps = 3;
#ifdef ADIOS2_HAVE_MPI
MPI_Comm_rank(MPI_COMM_WORLD, &mpiRank);
MPI_Comm_size(MPI_COMM_WORLD, &mpiSize);
#endif
// Write test data using BP
#ifdef ADIOS2_HAVE_MPI
adios2::ADIOS adios(MPI_COMM_WORLD, adios2::DebugON);
#else
adios2::ADIOS adios(true);
#endif
{
adios2::IO &io = adios.DeclareIO("TestIO");
// Declare 1D variables (NumOfProcesses * Nx)
// The local process' part (start, count) can be defined now or later
// before Write().
{
const adios2::Dims shape{static_cast<size_t>(Nx * mpiSize)};
const adios2::Dims start{static_cast<size_t>(Nx * mpiRank)};
const adios2::Dims count{Nx};
auto &var_iString = io.DefineVariable<std::string>("iString");
auto &var_i8 = io.DefineVariable<int8_t>("i8", shape, start, count);
auto &var_i16 =
io.DefineVariable<int16_t>("i16", shape, start, count);
auto &var_i32 =
io.DefineVariable<int32_t>("i32", shape, start, count);
auto &var_i64 =
io.DefineVariable<int64_t>("i64", shape, start, count);
auto &var_u8 =
io.DefineVariable<uint8_t>("u8", shape, start, count);
auto &var_u16 =
io.DefineVariable<uint16_t>("u16", shape, start, count);
auto &var_u32 =
io.DefineVariable<uint32_t>("u32", shape, start, count);
auto &var_u64 =
io.DefineVariable<uint64_t>("u64", shape, start, count);
auto &var_r32 =
io.DefineVariable<float>("r32", shape, start, count);
auto &var_r64 =
io.DefineVariable<double>("r64", shape, start, count);
}
// Create the BP Engine
io.SetEngine("BPFileWriter");
io.AddTransport("file");
// QUESTION: It seems that BPFilterWriter cannot overwrite existing
// files
// Ex. if you tune Nx and NSteps, the test would fail. But if you clear
// the cache in
// ${adios2Build}/testing/adios2/engine/bp/ADIOS2BPWriteADIOS1Read1D8.bp.dir,
// then it works
adios2::Engine &bpWriter = io.Open(fname, adios2::Mode::Write);
for (size_t step = 0; step < NSteps; ++step)
{
// Generate test data for each process uniquely
SmallTestData currentTestData = generateNewSmallTestData(
m_TestData, static_cast<int>(step), mpiRank, mpiSize);
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// Retrieve the variables that previously went out of scope
auto &var_iString = *io.InquireVariable<std::string>("iString");
auto &var_i8 = *io.InquireVariable<int8_t>("i8");
auto &var_i16 = *io.InquireVariable<int16_t>("i16");
auto &var_i32 = *io.InquireVariable<int32_t>("i32");
auto &var_i64 = *io.InquireVariable<int64_t>("i64");
auto &var_u8 = *io.InquireVariable<uint8_t>("u8");
auto &var_u16 = *io.InquireVariable<uint16_t>("u16");
auto &var_u32 = *io.InquireVariable<uint32_t>("u32");
auto &var_u64 = *io.InquireVariable<uint64_t>("u64");
auto &var_r32 = *io.InquireVariable<float>("r32");
auto &var_r64 = *io.InquireVariable<double>("r64");
// Make a 1D selection to describe the local dimensions of the
// variable we write and its offsets in the global spaces
adios2::Box<adios2::Dims> sel({mpiRank * Nx}, {Nx});
EXPECT_THROW(var_iString.SetSelection(sel), std::invalid_argument);
var_i8.SetSelection(sel);
var_i16.SetSelection(sel);
var_i32.SetSelection(sel);
var_i64.SetSelection(sel);
var_u8.SetSelection(sel);
var_u16.SetSelection(sel);
var_u32.SetSelection(sel);
var_u64.SetSelection(sel);
var_r32.SetSelection(sel);
var_r64.SetSelection(sel);
// Write each one
// fill in the variable with values from starting index to
// starting index + count
bpWriter.BeginStep();
bpWriter.PutDeferred(var_iString, currentTestData.S1);
bpWriter.PutDeferred(var_i8, currentTestData.I8.data());
bpWriter.PutDeferred(var_i16, currentTestData.I16.data());
bpWriter.PutDeferred(var_i32, currentTestData.I32.data());
bpWriter.PutDeferred(var_i64, currentTestData.I64.data());
bpWriter.PutDeferred(var_u8, currentTestData.U8.data());
bpWriter.PutDeferred(var_u16, currentTestData.U16.data());
bpWriter.PutDeferred(var_u32, currentTestData.U32.data());
bpWriter.PutDeferred(var_u64, currentTestData.U64.data());
bpWriter.PutDeferred(var_r32, currentTestData.R32.data());
bpWriter.PutDeferred(var_r64, currentTestData.R64.data());
bpWriter.PerformPuts();
bpWriter.EndStep();
}
// Close the file
bpWriter.Close();
}
{
adios2::IO &io = adios.DeclareIO("ReadIO");
adios2::Engine &bpReader = io.Open(fname, adios2::Mode::Read);
auto var_iString = io.InquireVariable<std::string>("iString");
ASSERT_NE(var_iString, nullptr);
ASSERT_EQ(var_iString->m_Shape.size(), 0);
ASSERT_EQ(var_iString->m_AvailableStepsCount, NSteps);
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auto var_i8 = io.InquireVariable<int8_t>("i8");
ASSERT_NE(var_i8, nullptr);
ASSERT_EQ(var_i8->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_i8->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_i8->m_Shape[0], mpiSize * Nx);
auto var_i16 = io.InquireVariable<int16_t>("i16");
ASSERT_NE(var_i16, nullptr);
ASSERT_EQ(var_i16->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_i16->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_i16->m_Shape[0], mpiSize * Nx);
auto var_i32 = io.InquireVariable<int32_t>("i32");
ASSERT_NE(var_i32, nullptr);
ASSERT_EQ(var_i32->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_i32->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_i32->m_Shape[0], mpiSize * Nx);
auto var_i64 = io.InquireVariable<int64_t>("i64");
ASSERT_NE(var_i64, nullptr);
ASSERT_EQ(var_i64->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_i64->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_i64->m_Shape[0], mpiSize * Nx);
auto var_u8 = io.InquireVariable<uint8_t>("u8");
ASSERT_NE(var_u8, nullptr);
ASSERT_EQ(var_u8->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_u8->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_u8->m_Shape[0], mpiSize * Nx);
auto var_u16 = io.InquireVariable<uint16_t>("u16");
ASSERT_NE(var_u16, nullptr);
ASSERT_EQ(var_u16->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_u16->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_u16->m_Shape[0], mpiSize * Nx);
auto var_u32 = io.InquireVariable<uint32_t>("u32");
ASSERT_NE(var_u32, nullptr);
ASSERT_EQ(var_u32->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_u32->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_u32->m_Shape[0], mpiSize * Nx);
auto var_u64 = io.InquireVariable<uint64_t>("u64");
ASSERT_NE(var_u64, nullptr);
ASSERT_EQ(var_u64->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_u64->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_u64->m_Shape[0], mpiSize * Nx);
auto var_r32 = io.InquireVariable<float>("r32");
ASSERT_NE(var_r32, nullptr);
ASSERT_EQ(var_r32->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_r32->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_r32->m_Shape[0], mpiSize * Nx);
auto var_r64 = io.InquireVariable<double>("r64");
ASSERT_NE(var_r64, nullptr);
ASSERT_EQ(var_r64->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_r64->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_r64->m_Shape[0], mpiSize * Nx);
// TODO: other types
SmallTestData testData;
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std::array<int8_t, Nx> I8;
std::array<int16_t, Nx> I16;
std::array<int32_t, Nx> I32;
std::array<int64_t, Nx> I64;
std::array<uint8_t, Nx> U8;
std::array<uint16_t, Nx> U16;
std::array<uint32_t, Nx> U32;
std::array<uint64_t, Nx> U64;
std::array<float, Nx> R32;
std::array<double, Nx> R64;
const adios2::Dims start{mpiRank * Nx};
const adios2::Dims count{Nx};
const adios2::Box<adios2::Dims> sel(start, count);
var_i8->SetSelection(sel);
var_i16->SetSelection(sel);
var_i32->SetSelection(sel);
var_i64->SetSelection(sel);
var_u8->SetSelection(sel);
var_u16->SetSelection(sel);
var_u32->SetSelection(sel);
var_u64->SetSelection(sel);
var_r32->SetSelection(sel);
var_r64->SetSelection(sel);
for (size_t t = 0; t < NSteps; ++t)
{
var_iString->SetStepSelection({t + 1, 1});
var_i8->SetStepSelection({t + 1, 1});
var_i16->SetStepSelection({t + 1, 1});
var_i32->SetStepSelection({t + 1, 1});
var_i64->SetStepSelection({t + 1, 1});
var_u8->SetStepSelection({t + 1, 1});
var_u16->SetStepSelection({t + 1, 1});
var_u32->SetStepSelection({t + 1, 1});
var_u64->SetStepSelection({t + 1, 1});
var_r32->SetStepSelection({t + 1, 1});
var_r64->SetStepSelection({t + 1, 1});
// Generate test data for each rank uniquely
SmallTestData currentTestData = generateNewSmallTestData(
m_TestData, static_cast<int>(t), mpiRank, mpiSize);
bpReader.GetDeferred(*var_iString, IString);
bpReader.GetDeferred(*var_i8, I8.data());
bpReader.GetDeferred(*var_i16, I16.data());
bpReader.GetDeferred(*var_i32, I32.data());
bpReader.GetDeferred(*var_i64, I64.data());
bpReader.GetDeferred(*var_u8, U8.data());
bpReader.GetDeferred(*var_u16, U16.data());
bpReader.GetDeferred(*var_u32, U32.data());
bpReader.GetDeferred(*var_u64, U64.data());
bpReader.GetDeferred(*var_r32, R32.data());
bpReader.GetDeferred(*var_r64, R64.data());
bpReader.PerformGets();
EXPECT_EQ(IString, currentTestData.S1);
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for (size_t i = 0; i < Nx; ++i)
{
std::stringstream ss;
ss << "t=" << t << " i=" << i << " rank=" << mpiRank;
std::string msg = ss.str();
EXPECT_EQ(I8[i], currentTestData.I8[i]) << msg;
EXPECT_EQ(I16[i], currentTestData.I16[i]) << msg;
EXPECT_EQ(I32[i], currentTestData.I32[i]) << msg;
EXPECT_EQ(I64[i], currentTestData.I64[i]) << msg;
EXPECT_EQ(U8[i], currentTestData.U8[i]) << msg;
EXPECT_EQ(U16[i], currentTestData.U16[i]) << msg;
EXPECT_EQ(U32[i], currentTestData.U32[i]) << msg;
EXPECT_EQ(U64[i], currentTestData.U64[i]) << msg;
EXPECT_EQ(R32[i], currentTestData.R32[i]) << msg;
EXPECT_EQ(R64[i], currentTestData.R64[i]) << msg;
}
}
bpReader.Close();
}
}
//******************************************************************************
// 2D 2x4 test data
//******************************************************************************
// ADIOS2 BP write, native ADIOS1 read
TEST_F(BPWriteReadTestADIOS2, ADIOS2BPWriteRead2D2x4)
{
// Each process would write a 2x4 array and all processes would
// form a 2D 2 * (numberOfProcess*Nx) matrix where Nx is 4 here
const std::string fname("ADIOS2BPWriteRead2D2x4Test.bp");
int mpiRank = 0, mpiSize = 1;
// Number of rows
const std::size_t Nx = 4;
// Number of rows
const std::size_t Ny = 2;
// Number of steps
const std::size_t NSteps = 3;
#ifdef ADIOS2_HAVE_MPI
MPI_Comm_rank(MPI_COMM_WORLD, &mpiRank);
MPI_Comm_size(MPI_COMM_WORLD, &mpiSize);
#endif
// Write test data using ADIOS2
#ifdef ADIOS2_HAVE_MPI
adios2::ADIOS adios(MPI_COMM_WORLD, adios2::DebugON);
#else
adios2::ADIOS adios(true);
#endif
{
adios2::IO &io = adios.DeclareIO("TestIO");
// Declare 2D variables (Ny * (NumOfProcesses * Nx))
// The local process' part (start, count) can be defined now or later
// before Write().
{
const adios2::Dims shape{Ny, static_cast<size_t>(Nx * mpiSize)};
const adios2::Dims start{0, static_cast<size_t>(mpiRank * Nx)};
const adios2::Dims count{Ny, Nx};
auto &var_iString = io.DefineVariable<std::string>("iString");
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auto &var_i8 = io.DefineVariable<int8_t>("i8", shape, start, count);
auto &var_i16 =
io.DefineVariable<int16_t>("i16", shape, start, count);
auto &var_i32 =
io.DefineVariable<int32_t>("i32", shape, start, count);
auto &var_i64 =
io.DefineVariable<int64_t>("i64", shape, start, count);
auto &var_u8 =
io.DefineVariable<uint8_t>("u8", shape, start, count);
auto &var_u16 =
io.DefineVariable<uint16_t>("u16", shape, start, count);
auto &var_u32 =
io.DefineVariable<uint32_t>("u32", shape, start, count);
auto &var_u64 =
io.DefineVariable<uint64_t>("u64", shape, start, count);
auto &var_r32 =
io.DefineVariable<float>("r32", shape, start, count);
auto &var_r64 =
io.DefineVariable<double>("r64", shape, start, count);
}
// Create the BP Engine
io.SetEngine("BPFileWriter");
io.AddTransport("file");
adios2::Engine &bpWriter = io.Open(fname, adios2::Mode::Write);
for (size_t step = 0; step < NSteps; ++step)
{
// Generate test data for each process uniquely
SmallTestData currentTestData = generateNewSmallTestData(
m_TestData, static_cast<int>(step), mpiRank, mpiSize);
// Retrieve the variables that previously went out of scope
auto &var_iString = *io.InquireVariable<std::string>("iString");
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auto &var_i8 = *io.InquireVariable<int8_t>("i8");
auto &var_i16 = *io.InquireVariable<int16_t>("i16");
auto &var_i32 = *io.InquireVariable<int32_t>("i32");
auto &var_i64 = *io.InquireVariable<int64_t>("i64");
auto &var_u8 = *io.InquireVariable<uint8_t>("u8");
auto &var_u16 = *io.InquireVariable<uint16_t>("u16");
auto &var_u32 = *io.InquireVariable<uint32_t>("u32");
auto &var_u64 = *io.InquireVariable<uint64_t>("u64");
auto &var_r32 = *io.InquireVariable<float>("r32");
auto &var_r64 = *io.InquireVariable<double>("r64");
// Make a 2D selection to describe the local dimensions of the
// variable we write and its offsets in the global spaces
adios2::Box<adios2::Dims> sel(
{0, static_cast<size_t>(mpiRank * Nx)}, {Ny, Nx});
var_i8.SetSelection(sel);
var_i16.SetSelection(sel);
var_i32.SetSelection(sel);
var_i64.SetSelection(sel);
var_u8.SetSelection(sel);
var_u16.SetSelection(sel);
var_u32.SetSelection(sel);
var_u64.SetSelection(sel);
var_r32.SetSelection(sel);
var_r64.SetSelection(sel);
// Write each one
// fill in the variable with values from starting index to
// starting index + count
bpWriter.BeginStep();
bpWriter.PutDeferred(var_iString, currentTestData.S1);
bpWriter.PutDeferred(var_i8, currentTestData.I8.data());
bpWriter.PutDeferred(var_i16, currentTestData.I16.data());
bpWriter.PutDeferred(var_i32, currentTestData.I32.data());
bpWriter.PutDeferred(var_i64, currentTestData.I64.data());
bpWriter.PutDeferred(var_u8, currentTestData.U8.data());
bpWriter.PutDeferred(var_u16, currentTestData.U16.data());
bpWriter.PutDeferred(var_u32, currentTestData.U32.data());
bpWriter.PutDeferred(var_u64, currentTestData.U64.data());
bpWriter.PutDeferred(var_r32, currentTestData.R32.data());
bpWriter.PutDeferred(var_r64, currentTestData.R64.data());
bpWriter.PerformPuts();
bpWriter.EndStep();
}
// Close the file
bpWriter.Close();
}
{
adios2::IO &io = adios.DeclareIO("ReadIO");
adios2::Engine &bpReader = io.Open(fname, adios2::Mode::Read);
auto var_iString = io.InquireVariable<std::string>("iString");
ASSERT_NE(var_iString, nullptr);
ASSERT_EQ(var_iString->m_Shape.size(), 0);
ASSERT_EQ(var_iString->m_AvailableStepsCount, NSteps);
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auto var_i8 = io.InquireVariable<int8_t>("i8");
ASSERT_NE(var_i8, nullptr);
ASSERT_EQ(var_i8->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_i8->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_i8->m_Shape[0], Ny);
ASSERT_EQ(var_i8->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_i16 = io.InquireVariable<int16_t>("i16");
ASSERT_NE(var_i16, nullptr);
ASSERT_EQ(var_i16->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_i16->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_i16->m_Shape[0], Ny);
ASSERT_EQ(var_i16->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_i32 = io.InquireVariable<int32_t>("i32");
ASSERT_NE(var_i32, nullptr);
ASSERT_EQ(var_i32->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_i32->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_i32->m_Shape[0], Ny);
ASSERT_EQ(var_i32->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_i64 = io.InquireVariable<int64_t>("i64");
ASSERT_NE(var_i64, nullptr);
ASSERT_EQ(var_i64->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_i64->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_i64->m_Shape[0], Ny);
ASSERT_EQ(var_i64->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_u8 = io.InquireVariable<uint8_t>("u8");
ASSERT_NE(var_u8, nullptr);
ASSERT_EQ(var_u8->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_u8->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_u8->m_Shape[0], Ny);
ASSERT_EQ(var_u8->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_u16 = io.InquireVariable<uint16_t>("u16");
ASSERT_NE(var_u16, nullptr);
ASSERT_EQ(var_u16->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_u16->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_u16->m_Shape[0], Ny);
ASSERT_EQ(var_u16->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_u32 = io.InquireVariable<uint32_t>("u32");
ASSERT_NE(var_u32, nullptr);
ASSERT_EQ(var_u32->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_u32->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_u32->m_Shape[0], Ny);
ASSERT_EQ(var_u32->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_u64 = io.InquireVariable<uint64_t>("u64");
ASSERT_NE(var_u64, nullptr);
ASSERT_EQ(var_u64->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_u64->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_u64->m_Shape[0], Ny);
ASSERT_EQ(var_u64->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_r32 = io.InquireVariable<float>("r32");
ASSERT_NE(var_r32, nullptr);
ASSERT_EQ(var_r32->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_r32->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_r32->m_Shape[0], Ny);
ASSERT_EQ(var_r32->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_r64 = io.InquireVariable<double>("r64");
ASSERT_NE(var_r64, nullptr);
ASSERT_EQ(var_r64->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_r64->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_r64->m_Shape[0], Ny);
ASSERT_EQ(var_r64->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
std::string IString;
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std::array<int8_t, Nx * Ny> I8;
std::array<int16_t, Nx * Ny> I16;
std::array<int32_t, Nx * Ny> I32;
std::array<int64_t, Nx * Ny> I64;
std::array<uint8_t, Nx * Ny> U8;
std::array<uint16_t, Nx * Ny> U16;
std::array<uint32_t, Nx * Ny> U32;
std::array<uint64_t, Nx * Ny> U64;
std::array<float, Nx * Ny> R32;
std::array<double, Nx * Ny> R64;
const adios2::Dims start{0, static_cast<size_t>(mpiRank * Nx)};
const adios2::Dims count{Ny, Nx};
const adios2::Box<adios2::Dims> sel(start, count);
var_i8->SetSelection(sel);
var_i16->SetSelection(sel);
var_i32->SetSelection(sel);
var_i64->SetSelection(sel);
var_u8->SetSelection(sel);
var_u16->SetSelection(sel);
var_u32->SetSelection(sel);
var_u64->SetSelection(sel);
var_r32->SetSelection(sel);
var_r64->SetSelection(sel);
for (size_t t = 0; t < NSteps; ++t)
{
var_i8->SetStepSelection({t + 1, 1});
var_i16->SetStepSelection({t + 1, 1});
var_i32->SetStepSelection({t + 1, 1});
var_i64->SetStepSelection({t + 1, 1});
var_u8->SetStepSelection({t + 1, 1});
var_u16->SetStepSelection({t + 1, 1});
var_u32->SetStepSelection({t + 1, 1});
var_u64->SetStepSelection({t + 1, 1});
var_r32->SetStepSelection({t + 1, 1});
var_r64->SetStepSelection({t + 1, 1});
bpReader.GetDeferred(*var_iString, IString);
bpReader.GetDeferred(*var_i8, I8.data());
bpReader.GetDeferred(*var_i16, I16.data());
bpReader.GetDeferred(*var_i32, I32.data());
bpReader.GetDeferred(*var_i64, I64.data());
bpReader.GetDeferred(*var_u8, U8.data());
bpReader.GetDeferred(*var_u16, U16.data());
bpReader.GetDeferred(*var_u32, U32.data());
bpReader.GetDeferred(*var_u64, U64.data());
bpReader.GetDeferred(*var_r32, R32.data());
bpReader.GetDeferred(*var_r64, R64.data());
bpReader.PerformGets();
// Generate test data for each rank uniquely
SmallTestData currentTestData = generateNewSmallTestData(
m_TestData, static_cast<int>(t), mpiRank, mpiSize);
EXPECT_EQ(IString, currentTestData.S1);
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for (size_t i = 0; i < Nx * Ny; ++i)
{
std::stringstream ss;
ss << "t=" << t << " i=" << i << " rank=" << mpiRank;
std::string msg = ss.str();
EXPECT_EQ(I8[i], currentTestData.I8[i]) << msg;
EXPECT_EQ(I16[i], currentTestData.I16[i]) << msg;
EXPECT_EQ(I32[i], currentTestData.I32[i]) << msg;
EXPECT_EQ(I64[i], currentTestData.I64[i]) << msg;
EXPECT_EQ(U8[i], currentTestData.U8[i]) << msg;
EXPECT_EQ(U16[i], currentTestData.U16[i]) << msg;
EXPECT_EQ(U32[i], currentTestData.U32[i]) << msg;
EXPECT_EQ(U64[i], currentTestData.U64[i]) << msg;
EXPECT_EQ(R32[i], currentTestData.R32[i]) << msg;
EXPECT_EQ(R64[i], currentTestData.R64[i]) << msg;
}
}
bpReader.Close();
}
}
//******************************************************************************
// 2D 4x2 test data
//******************************************************************************
TEST_F(BPWriteReadTestADIOS2, ADIOS2BPWriteRead2D4x2)
{
// Each process would write a 4x2 array and all processes would
// form a 2D 4 * (NumberOfProcess * Nx) matrix where Nx is 2 here
const std::string fname("ADIOS2BPWriteRead2D4x2Test.bp");
int mpiRank = 0, mpiSize = 1;
// Number of rows
const std::size_t Nx = 2;
// Number of cols
const std::size_t Ny = 4;
// Number of steps
const std::size_t NSteps = 3;
#ifdef ADIOS2_HAVE_MPI
MPI_Comm_rank(MPI_COMM_WORLD, &mpiRank);
MPI_Comm_size(MPI_COMM_WORLD, &mpiSize);
#endif
// Write test data using ADIOS2
#ifdef ADIOS2_HAVE_MPI
adios2::ADIOS adios(MPI_COMM_WORLD, adios2::DebugON);
#else
adios2::ADIOS adios(true);
#endif
{
adios2::IO &io = adios.DeclareIO("TestIO");
// Declare 2D variables (4 * (NumberOfProcess * Nx))
// The local process' part (start, count) can be defined now or later
// before Write().
{
adios2::Dims shape{static_cast<unsigned int>(Ny),
static_cast<unsigned int>(mpiSize * Nx)};
adios2::Dims start{static_cast<unsigned int>(0),
static_cast<unsigned int>(mpiRank * Nx)};
adios2::Dims count{static_cast<unsigned int>(Ny),
static_cast<unsigned int>(Nx)};
auto &var_i8 = io.DefineVariable<int8_t>("i8", shape, start, count);
auto &var_i16 =
io.DefineVariable<int16_t>("i16", shape, start, count);
auto &var_i32 =
io.DefineVariable<int32_t>("i32", shape, start, count);
auto &var_i64 =
io.DefineVariable<int64_t>("i64", shape, start, count);
auto &var_u8 =
io.DefineVariable<uint8_t>("u8", shape, start, count);
auto &var_u16 =
io.DefineVariable<uint16_t>("u16", shape, start, count);
auto &var_u32 =
io.DefineVariable<uint32_t>("u32", shape, start, count);
auto &var_u64 =
io.DefineVariable<uint64_t>("u64", shape, start, count);
auto &var_r32 =
io.DefineVariable<float>("r32", shape, start, count);
auto &var_r64 =
io.DefineVariable<double>("r64", shape, start, count);
}
// Create the BP Engine
io.SetEngine("BPFileWriter");
io.AddTransport("file");
adios2::Engine &bpWriter = io.Open(fname, adios2::Mode::Write);
for (size_t step = 0; step < NSteps; ++step)
{
// Generate test data for each process uniquely
SmallTestData currentTestData = generateNewSmallTestData(
m_TestData, static_cast<int>(step), mpiRank, mpiSize);
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// Retrieve the variables that previously went out of scope
auto &var_i8 = *io.InquireVariable<int8_t>("i8");
auto &var_i16 = *io.InquireVariable<int16_t>("i16");
auto &var_i32 = *io.InquireVariable<int32_t>("i32");
auto &var_i64 = *io.InquireVariable<int64_t>("i64");
auto &var_u8 = *io.InquireVariable<uint8_t>("u8");
auto &var_u16 = *io.InquireVariable<uint16_t>("u16");
auto &var_u32 = *io.InquireVariable<uint32_t>("u32");
auto &var_u64 = *io.InquireVariable<uint64_t>("u64");
auto &var_r32 = *io.InquireVariable<float>("r32");
auto &var_r64 = *io.InquireVariable<double>("r64");
// Make a 2D selection to describe the local dimensions of the
// variable we write and its offsets in the global spaces
adios2::Box<adios2::Dims> sel(
{0, static_cast<unsigned int>(mpiRank * Nx)}, {Ny, Nx});
var_i8.SetSelection(sel);
var_i16.SetSelection(sel);
var_i32.SetSelection(sel);
var_i64.SetSelection(sel);
var_u8.SetSelection(sel);
var_u16.SetSelection(sel);
var_u32.SetSelection(sel);
var_u64.SetSelection(sel);
var_r32.SetSelection(sel);
var_r64.SetSelection(sel);
// Write each one
// fill in the variable with values from starting index to
// starting index + count
bpWriter.BeginStep();
bpWriter.PutSync(var_i8, currentTestData.I8.data());
bpWriter.PutSync(var_i16, currentTestData.I16.data());
bpWriter.PutSync(var_i32, currentTestData.I32.data());
bpWriter.PutSync(var_i64, currentTestData.I64.data());
bpWriter.PutSync(var_u8, currentTestData.U8.data());
bpWriter.PutSync(var_u16, currentTestData.U16.data());
bpWriter.PutSync(var_u32, currentTestData.U32.data());
bpWriter.PutSync(var_u64, currentTestData.U64.data());
bpWriter.PutSync(var_r32, currentTestData.R32.data());
bpWriter.PutSync(var_r64, currentTestData.R64.data());
bpWriter.EndStep();
}
// Close the file
bpWriter.Close();
}
{
adios2::IO &io = adios.DeclareIO("ReadIO");
adios2::Engine &bpReader = io.Open(fname, adios2::Mode::Read);
auto var_i8 = io.InquireVariable<int8_t>("i8");
ASSERT_NE(var_i8, nullptr);
ASSERT_EQ(var_i8->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_i8->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_i8->m_Shape[0], Ny);
ASSERT_EQ(var_i8->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_i16 = io.InquireVariable<int16_t>("i16");
ASSERT_NE(var_i16, nullptr);
ASSERT_EQ(var_i16->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_i16->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_i16->m_Shape[0], Ny);
ASSERT_EQ(var_i16->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_i32 = io.InquireVariable<int32_t>("i32");
ASSERT_NE(var_i32, nullptr);
ASSERT_EQ(var_i32->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_i32->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_i32->m_Shape[0], Ny);
ASSERT_EQ(var_i32->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_i64 = io.InquireVariable<int64_t>("i64");
ASSERT_NE(var_i64, nullptr);
ASSERT_EQ(var_i64->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_i64->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_i64->m_Shape[0], Ny);
ASSERT_EQ(var_i64->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_u8 = io.InquireVariable<uint8_t>("u8");
ASSERT_NE(var_u8, nullptr);
ASSERT_EQ(var_u8->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_u8->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_u8->m_Shape[0], Ny);
ASSERT_EQ(var_u8->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_u16 = io.InquireVariable<uint16_t>("u16");
ASSERT_NE(var_u16, nullptr);
ASSERT_EQ(var_u16->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_u16->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_u16->m_Shape[0], Ny);
ASSERT_EQ(var_u16->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_u32 = io.InquireVariable<uint32_t>("u32");
ASSERT_NE(var_u32, nullptr);
ASSERT_EQ(var_u32->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_u32->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_u32->m_Shape[0], Ny);
ASSERT_EQ(var_u32->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_u64 = io.InquireVariable<uint64_t>("u64");
ASSERT_NE(var_u64, nullptr);
ASSERT_EQ(var_u64->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_u64->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_u64->m_Shape[0], Ny);
ASSERT_EQ(var_u64->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_r32 = io.InquireVariable<float>("r32");
ASSERT_NE(var_r32, nullptr);
ASSERT_EQ(var_r32->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_r32->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_r32->m_Shape[0], Ny);
ASSERT_EQ(var_r32->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
auto var_r64 = io.InquireVariable<double>("r64");
ASSERT_NE(var_r64, nullptr);
ASSERT_EQ(var_r64->m_ShapeID, adios2::ShapeID::GlobalArray);
ASSERT_EQ(var_r64->m_AvailableStepsCount, NSteps);
ASSERT_EQ(var_r64->m_Shape[0], Ny);
ASSERT_EQ(var_r64->m_Shape[1], static_cast<size_t>(mpiSize * Nx));
// If the size of the array is smaller than the data
// the result is weird... double and uint64_t would get
// completely garbage data
std::array<int8_t, Nx * Ny> I8;
std::array<int16_t, Nx * Ny> I16;
std::array<int32_t, Nx * Ny> I32;
std::array<int64_t, Nx * Ny> I64;
std::array<uint8_t, Nx * Ny> U8;
std::array<uint16_t, Nx * Ny> U16;
std::array<uint32_t, Nx * Ny> U32;
std::array<uint64_t, Nx * Ny> U64;
std::array<float, Nx * Ny> R32;
std::array<double, Nx * Ny> R64;
const adios2::Dims start{0, static_cast<size_t>(mpiRank * Nx)};
const adios2::Dims count{Ny, Nx};
const adios2::Box<adios2::Dims> sel(start, count);
var_i8->SetSelection(sel);
var_i16->SetSelection(sel);
var_i32->SetSelection(sel);
var_i64->SetSelection(sel);
var_u8->SetSelection(sel);
var_u16->SetSelection(sel);
var_u32->SetSelection(sel);
var_u64->SetSelection(sel);
var_r32->SetSelection(sel);
var_r64->SetSelection(sel);
for (size_t t = 0; t < NSteps; ++t)
{
var_i8->SetStepSelection({t + 1, 1});
var_i16->SetStepSelection({t + 1, 1});
var_i32->SetStepSelection({t + 1, 1});
var_i64->SetStepSelection({t + 1, 1});
var_u8->SetStepSelection({t + 1, 1});
var_u16->SetStepSelection({t + 1, 1});
var_u32->SetStepSelection({t + 1, 1});
var_u64->SetStepSelection({t + 1, 1});
var_r32->SetStepSelection({t + 1, 1});
var_r64->SetStepSelection({t + 1, 1});
bpReader.GetDeferred(*var_i8, I8.data());
bpReader.GetDeferred(*var_i16, I16.data());
bpReader.GetDeferred(*var_i32, I32.data());
bpReader.GetDeferred(*var_i64, I64.data());
bpReader.GetDeferred(*var_u8, U8.data());
bpReader.GetDeferred(*var_u16, U16.data());
bpReader.GetDeferred(*var_u32, U32.data());
bpReader.GetDeferred(*var_u64, U64.data());
bpReader.GetDeferred(*var_r32, R32.data());
bpReader.GetDeferred(*var_r64, R64.data());
bpReader.PerformGets();
// Generate test data for each rank uniquely
SmallTestData currentTestData = generateNewSmallTestData(
m_TestData, static_cast<int>(t), mpiRank, mpiSize);
for (size_t i = 0; i < Nx * Ny; ++i)
{
std::stringstream ss;
ss << "t=" << t << " i=" << i << " rank=" << mpiRank;
std::string msg = ss.str();
EXPECT_EQ(I8[i], currentTestData.I8[i]) << msg;
EXPECT_EQ(I16[i], currentTestData.I16[i]) << msg;
EXPECT_EQ(I32[i], currentTestData.I32[i]) << msg;
EXPECT_EQ(I64[i], currentTestData.I64[i]) << msg;
EXPECT_EQ(U8[i], currentTestData.U8[i]) << msg;
EXPECT_EQ(U16[i], currentTestData.U16[i]) << msg;
EXPECT_EQ(U32[i], currentTestData.U32[i]) << msg;
EXPECT_EQ(U64[i], currentTestData.U64[i]) << msg;
EXPECT_EQ(R32[i], currentTestData.R32[i]) << msg;
EXPECT_EQ(R64[i], currentTestData.R64[i]) << msg;
}
}
bpReader.Close();
}
}
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TEST_F(BPWriteReadTestADIOS2, ADIOS2BPWriteMissingPerformPuts)
{
// Each process would write a 1x8 array and all processes would
// form a mpiSize * Nx 1D array
const std::string fname("ADIOS2BPWriteMissingPerformPuts.bp");
int mpiRank = 0, mpiSize = 1;
// Number of rows
const size_t Nx = 8;
// Number of steps
const size_t NSteps = 3;
#ifdef ADIOS2_HAVE_MPI
MPI_Comm_rank(MPI_COMM_WORLD, &mpiRank);
MPI_Comm_size(MPI_COMM_WORLD, &mpiSize);
#endif
// Write test data using BP
#ifdef ADIOS2_HAVE_MPI
adios2::ADIOS adios(MPI_COMM_WORLD, adios2::DebugON);
#else
adios2::ADIOS adios(true);
#endif
{
adios2::IO &io = adios.DeclareIO("TestIO");
// Declare 1D variables (NumOfProcesses * Nx)
// The local process' part (start, count) can be defined now or later
// before Write().
{
const adios2::Dims shape{static_cast<size_t>(Nx * mpiSize)};
const adios2::Dims start{static_cast<size_t>(Nx * mpiRank)};
const adios2::Dims count{Nx};
auto &var_iString = io.DefineVariable<std::string>("iString");
auto &var_i8 = io.DefineVariable<int8_t>("i8", shape, start, count);
auto &var_i16 =
io.DefineVariable<int16_t>("i16", shape, start, count);
auto &var_i32 =
io.DefineVariable<int32_t>("i32", shape, start, count);
auto &var_i64 =
io.DefineVariable<int64_t>("i64", shape, start, count);
auto &var_u8 =
io.DefineVariable<uint8_t>("u8", shape, start, count);
auto &var_u16 =
io.DefineVariable<uint16_t>("u16", shape, start, count);
auto &var_u32 =
io.DefineVariable<uint32_t>("u32", shape, start, count);
auto &var_u64 =
io.DefineVariable<uint64_t>("u64", shape, start, count);
auto &var_r32 =
io.DefineVariable<float>("r32", shape, start, count);
auto &var_r64 =
io.DefineVariable<double>("r64", shape, start, count);
}
adios2::Engine &bpWriter = io.Open(fname, adios2::Mode::Write);
for (size_t step = 0; step < NSteps; ++step)
{
// Generate test data for each process uniquely
SmallTestData currentTestData = generateNewSmallTestData(
m_TestData, static_cast<int>(step), mpiRank, mpiSize);
// Retrieve the variables that previously went out of scope
auto &var_iString = *io.InquireVariable<std::string>("iString");
auto &var_i8 = *io.InquireVariable<int8_t>("i8");
auto &var_i16 = *io.InquireVariable<int16_t>("i16");
auto &var_i32 = *io.InquireVariable<int32_t>("i32");
auto &var_i64 = *io.InquireVariable<int64_t>("i64");
auto &var_u8 = *io.InquireVariable<uint8_t>("u8");
auto &var_u16 = *io.InquireVariable<uint16_t>("u16");
auto &var_u32 = *io.InquireVariable<uint32_t>("u32");
auto &var_u64 = *io.InquireVariable<uint64_t>("u64");
auto &var_r32 = *io.InquireVariable<float>("r32");
auto &var_r64 = *io.InquireVariable<double>("r64");
// Make a 1D selection to describe the local dimensions of the
// variable we write and its offsets in the global spaces
adios2::Box<adios2::Dims> sel({mpiRank * Nx}, {Nx});
EXPECT_THROW(var_iString.SetSelection(sel), std::invalid_argument);
var_i8.SetSelection(sel);