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test_execution_policy.cpp
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#include "gtest/gtest.h"
#include "hemi/execution_policy.h"
using namespace hemi;
// Ensure we are setting appropriate level of configuration
// Automatic to Full Manual spectrum
TEST(ExecutionPolicyTest, StateReflectsConfiguration) {
// Defaults: fully automatic
ExecutionPolicy p;
int configState = p.getConfigState();
EXPECT_EQ (ExecutionPolicy::Automatic, configState);
EXPECT_NE (ExecutionPolicy::FullManual, configState);
EXPECT_EQ (0, configState & ExecutionPolicy::SharedMem);
EXPECT_EQ (0, configState & ExecutionPolicy::BlockSize);
EXPECT_EQ (0, configState & ExecutionPolicy::GridSize);
EXPECT_EQ (0, p.getGridSize());
EXPECT_EQ (0, p.getBlockSize());
EXPECT_EQ (0, p.getSharedMemBytes());
// shared memory only
p = ExecutionPolicy(); // reset
p.setSharedMemBytes( 1024 );
configState = p.getConfigState();
EXPECT_NE (ExecutionPolicy::FullManual, configState);
EXPECT_NE (ExecutionPolicy::Automatic, configState);
EXPECT_NE (0, configState & ExecutionPolicy::SharedMem);
EXPECT_EQ (0, configState & ExecutionPolicy::BlockSize);
EXPECT_EQ (0, configState & ExecutionPolicy::GridSize);
EXPECT_EQ (0, p.getGridSize());
EXPECT_EQ (0, p.getBlockSize());
EXPECT_EQ (1024, p.getSharedMemBytes());
// Block Size Only
p = ExecutionPolicy(); // reset
p.setBlockSize( 512 );
configState = p.getConfigState();
EXPECT_NE (ExecutionPolicy::FullManual, configState);
EXPECT_NE (ExecutionPolicy::Automatic, configState);
EXPECT_EQ (0, configState & ExecutionPolicy::SharedMem);
EXPECT_NE (0, configState & ExecutionPolicy::BlockSize);
EXPECT_EQ (0, configState & ExecutionPolicy::GridSize);
EXPECT_EQ (0, p.getGridSize());
EXPECT_EQ (512, p.getBlockSize());
EXPECT_EQ (0, p.getSharedMemBytes());
// Block Size and Shared Memory Only
p = ExecutionPolicy(); // reset
p.setBlockSize( 512 );
p.setSharedMemBytes( 1024 );
configState = p.getConfigState();
EXPECT_NE (ExecutionPolicy::FullManual, configState);
EXPECT_NE (ExecutionPolicy::Automatic, configState);
EXPECT_NE (0, configState & ExecutionPolicy::SharedMem);
EXPECT_NE (0, configState & ExecutionPolicy::BlockSize);
EXPECT_EQ (0, configState & ExecutionPolicy::GridSize);
EXPECT_EQ (0, p.getGridSize());
EXPECT_EQ (512, p.getBlockSize());
EXPECT_EQ (1024, p.getSharedMemBytes());
// Grid Size Only
p = ExecutionPolicy(); // reset
p.setGridSize( 100 );
configState = p.getConfigState();
EXPECT_NE (ExecutionPolicy::FullManual, configState);
EXPECT_NE (ExecutionPolicy::Automatic, configState);
EXPECT_EQ (0, configState & ExecutionPolicy::SharedMem);
EXPECT_EQ (0, configState & ExecutionPolicy::BlockSize);
EXPECT_NE (0, configState & ExecutionPolicy::GridSize);
EXPECT_EQ (100, p.getGridSize());
EXPECT_EQ (0, p.getBlockSize());
EXPECT_EQ (0, p.getSharedMemBytes());
// Grid Size and Shared Memory Only
p = ExecutionPolicy(); // reset
p.setGridSize( 100 );
p.setSharedMemBytes( 1024 );
configState = p.getConfigState();
EXPECT_NE (ExecutionPolicy::FullManual, configState);
EXPECT_NE (ExecutionPolicy::Automatic, configState);
EXPECT_NE (0, configState & ExecutionPolicy::SharedMem);
EXPECT_EQ (0, configState & ExecutionPolicy::BlockSize);
EXPECT_NE (0, configState & ExecutionPolicy::GridSize);
EXPECT_EQ (100, p.getGridSize());
EXPECT_EQ (0, p.getBlockSize());
EXPECT_EQ (1024, p.getSharedMemBytes());
// Grid Size and Block Size Only
p = ExecutionPolicy(); // reset
p.setGridSize( 100 );
p.setBlockSize( 512 );
configState = p.getConfigState();
EXPECT_NE (ExecutionPolicy::FullManual, configState);
EXPECT_NE (ExecutionPolicy::Automatic, configState);
EXPECT_EQ (0, configState & ExecutionPolicy::SharedMem);
EXPECT_NE (0, configState & ExecutionPolicy::BlockSize);
EXPECT_NE (0, configState & ExecutionPolicy::GridSize);
EXPECT_EQ (100, p.getGridSize());
EXPECT_EQ (512, p.getBlockSize());
EXPECT_EQ (0, p.getSharedMemBytes());
// Full Manual Configuration
p = ExecutionPolicy{1, 256, 10};
configState = p.getConfigState();
EXPECT_EQ (ExecutionPolicy::FullManual, configState);
EXPECT_NE (ExecutionPolicy::Automatic, configState);
EXPECT_NE (0, configState & ExecutionPolicy::SharedMem);
EXPECT_NE (0, configState & ExecutionPolicy::BlockSize);
EXPECT_NE (0, configState & ExecutionPolicy::GridSize);
EXPECT_EQ (1, p.getGridSize());
EXPECT_EQ (256, p.getBlockSize());
EXPECT_EQ (10, p.getSharedMemBytes());
// Full Manual Configuration With Separate Calls
p = ExecutionPolicy(); // reset
p.setGridSize( 100 );
p.setBlockSize( 512 );
p.setSharedMemBytes( 1024);
configState = p.getConfigState();
EXPECT_EQ (ExecutionPolicy::FullManual, configState);
EXPECT_NE (ExecutionPolicy::Automatic, configState);
EXPECT_NE (0, configState & ExecutionPolicy::SharedMem);
EXPECT_NE (0, configState & ExecutionPolicy::BlockSize);
EXPECT_NE (0, configState & ExecutionPolicy::GridSize);
EXPECT_EQ (100, p.getGridSize());
EXPECT_EQ (512, p.getBlockSize());
EXPECT_EQ (1024, p.getSharedMemBytes());
p = ExecutionPolicy(); // reset
p.setGridSize( 0 );
p.setBlockSize( 0 );
p.setSharedMemBytes( 0 );
configState = p.getConfigState();
// Setting Zero Shared Memory makes it *Manual*
EXPECT_NE (ExecutionPolicy::FullManual, configState);
EXPECT_NE (ExecutionPolicy::Automatic, configState);
EXPECT_NE (0, configState & ExecutionPolicy::SharedMem);
// Setting 0 grid or block size makes them *Automatic*
EXPECT_EQ (0, configState & ExecutionPolicy::BlockSize);
EXPECT_EQ (0, configState & ExecutionPolicy::GridSize);
EXPECT_EQ (0, p.getGridSize());
EXPECT_EQ (0, p.getBlockSize());
EXPECT_EQ (0, p.getSharedMemBytes());
// Re-setting block or grid size to >0 should set them to manual
p.setGridSize( 100 );
p.setBlockSize( 512 );
configState = p.getConfigState();
EXPECT_NE(0, configState & ExecutionPolicy::GridSize);
EXPECT_NE(0, configState & ExecutionPolicy::BlockSize);
// Re-setting block or grid size to zero should set them to automatic
p.setGridSize( 0 );
p.setBlockSize( 0 );
configState = p.getConfigState();
EXPECT_EQ(0, configState & ExecutionPolicy::GridSize);
EXPECT_EQ(0, configState & ExecutionPolicy::BlockSize);
// Setting stream (trivial)
p.setStream(1);
EXPECT_EQ(1, p.getStream());
}