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Merge pull request #4074 from anagainaru/gpu-c-bindings
C bindings for the memory space related functions
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Distributed under the OSI-approved Apache License, Version 2.0. See | ||
| * accompanying file Copyright.txt for details. | ||
| * | ||
| * TestBPMemorySpace.cpp : test the C bindings related to memory space | ||
| */ | ||
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| #include <adios2_c.h> | ||
| #include <gtest/gtest.h> | ||
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| class ADIOS2_C_API : public ::testing::Test | ||
| { | ||
| public: | ||
| ADIOS2_C_API() { adiosH = adios2_init_serial(); } | ||
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| ~ADIOS2_C_API() { adios2_finalize(adiosH); } | ||
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| adios2_adios *adiosH; | ||
| }; | ||
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| #ifdef ADIOS2_HAVE_GPU_SUPPORT | ||
| TEST_F(ADIOS2_C_API, ADIOS2BPMemorySpaceGPU) | ||
| { | ||
| adios2_io *ioH = adios2_declare_io(adiosH, "CMemSpace"); | ||
| adios2_set_engine(ioH, "BPFile"); | ||
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| size_t shape[1]; | ||
| shape[0] = 10; | ||
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| size_t start[1]; | ||
| start[0] = 0; | ||
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| size_t count[1]; | ||
| count[0] = 10; | ||
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| adios2_define_variable(ioH, "varI32", adios2_type_int32_t, 1, shape, start, count, | ||
| adios2_constant_dims_true); | ||
| adios2_variable *varI32 = adios2_inquire_variable(ioH, "varI32"); | ||
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| // test that the default memory space is Detect | ||
| adios2_memory_space mem; | ||
| adios2_error e = adios2_get_memory_space(&mem, varI32); | ||
| EXPECT_EQ(e, adios2_error_none); | ||
| EXPECT_EQ(mem, adios2_memory_space_detect); | ||
| // test that the set memory space is GPU | ||
| adios2_set_memory_space(varI32, adios2_memory_space_gpu); | ||
| e = adios2_get_memory_space(&mem, varI32); | ||
| EXPECT_EQ(e, adios2_error_none); | ||
| EXPECT_EQ(mem, adios2_memory_space_gpu); | ||
| } | ||
| #endif | ||
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| TEST_F(ADIOS2_C_API, ADIOS2BPMemorySpaceShape) | ||
| { | ||
| const char fname[] = "ADIOS2_C_API.ADIOS2BPMemorySpace.bp"; | ||
| // write | ||
| { | ||
| adios2_io *ioH = adios2_declare_io(adiosH, "CMemSpace"); | ||
| adios2_set_engine(ioH, "BPFile"); | ||
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| size_t shape[2]; | ||
| shape[0] = 5; | ||
| shape[1] = 2; | ||
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| size_t start[2]; | ||
| start[0] = 0; | ||
| start[1] = 0; | ||
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| size_t count[2]; | ||
| count[0] = 5; | ||
| count[1] = 2; | ||
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| int32_t data_I32[10] = {131072, 131073, -131070, 131075, -131068, | ||
| 131077, -131066, 131079, -131064, 131081}; | ||
| adios2_define_variable(ioH, "varI32", adios2_type_int32_t, 2, shape, start, count, | ||
| adios2_constant_dims_true); | ||
| adios2_variable *varI32 = adios2_inquire_variable(ioH, "varI32"); | ||
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| // test that the set memory space is Host | ||
| adios2_memory_space mem; | ||
| adios2_set_memory_space(varI32, adios2_memory_space_host); | ||
| adios2_error e = adios2_get_memory_space(&mem, varI32); | ||
| EXPECT_EQ(e, adios2_error_none); | ||
| EXPECT_EQ(mem, adios2_memory_space_host); | ||
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| adios2_engine *engineH = adios2_open(ioH, fname, adios2_mode_write); | ||
| adios2_put(engineH, varI32, data_I32, adios2_mode_deferred); | ||
| adios2_close(engineH); | ||
| } | ||
| // read shape | ||
| { | ||
| adios2_io *ioH = adios2_declare_io(adiosH, "Reader"); | ||
| adios2_engine *engineH = adios2_open(ioH, fname, adios2_mode_readRandomAccess); | ||
| size_t steps; | ||
| adios2_steps(&steps, engineH); | ||
| EXPECT_EQ(steps, 1); | ||
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| adios2_variable *varI32 = adios2_inquire_variable(ioH, "varI32"); | ||
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| // test that the shape function returns the correct dimensions | ||
| size_t cpu_shape[2]; | ||
| adios2_error e = adios2_variable_shape(cpu_shape, varI32); | ||
| EXPECT_EQ(e, adios2_error_none); | ||
| EXPECT_EQ(cpu_shape[0], 5); | ||
| EXPECT_EQ(cpu_shape[1], 2); | ||
| e = adios2_variable_shape_with_memory_space(cpu_shape, varI32, adios2_memory_space_host); | ||
| EXPECT_EQ(e, adios2_error_none); | ||
| EXPECT_EQ(cpu_shape[0], 5); | ||
| EXPECT_EQ(cpu_shape[1], 2); | ||
| #ifdef ADIOS2_HAVE_GPU_SUPPORT | ||
| size_t gpu_shape[2]; | ||
| e = adios2_variable_shape_with_memory_space(gpu_shape, varI32, adios2_memory_space_gpu); | ||
| EXPECT_EQ(e, adios2_error_none); | ||
| EXPECT_EQ(gpu_shape[0], 2); | ||
| EXPECT_EQ(gpu_shape[1], 5); | ||
| #endif | ||
| adios2_close(engineH); | ||
| } | ||
| } | ||
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| int main(int argc, char **argv) | ||
| { | ||
| int result; | ||
| ::testing::InitGoogleTest(&argc, argv); | ||
| result = RUN_ALL_TESTS(); | ||
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| return result; | ||
| } |