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#include <c10/core/Device.h>
#include <gtest/gtest.h>
#include <unordered_map>
#include <torch/nativert/executor/Placement.h>
using namespace ::testing;
namespace torch::nativert {
TEST(PlacementTest, IsSameDevice) {
c10::Device cpuDevice = c10::Device(c10::DeviceType::CPU);
c10::Device cpuDevice1 = c10::Device(c10::DeviceType::CPU);
cpuDevice1.set_index(1);
EXPECT_TRUE(isSameDevice(cpuDevice, cpuDevice));
EXPECT_TRUE(isSameDevice(cpuDevice, cpuDevice1));
c10::Device cudaDevice = c10::Device(c10::DeviceType::CUDA);
c10::Device cudaDevice0 = c10::Device(c10::DeviceType::CUDA, 0);
c10::Device cudaDevice1 = c10::Device(c10::DeviceType::CUDA, 1);
EXPECT_TRUE(isSameDevice(cudaDevice, cudaDevice0));
EXPECT_FALSE(isSameDevice(cudaDevice0, cudaDevice1));
EXPECT_FALSE(isSameDevice(cudaDevice0, cpuDevice));
}
TEST(PlacementTest, PlacementDefaultOnly) {
Placement placement(c10::Device(c10::DeviceType::CUDA, 0));
std::ostringstream os;
os << placement;
EXPECT_EQ(os.str(), "|cuda:0");
c10::Device cuda0 = c10::Device(c10::DeviceType::CUDA, 0);
c10::Device cuda1 = c10::Device(c10::DeviceType::CUDA, 1);
c10::Device cuda2 = c10::Device(c10::DeviceType::CUDA, 2);
EXPECT_EQ(placement.getMappedDevice(cuda0), cuda0);
EXPECT_EQ(placement.getMappedDevice(cuda1), cuda0);
EXPECT_EQ(placement.getMappedDevice(cuda2), cuda0);
}
TEST(PlacementTest, PlacementBasic) {
Placement placement(
{{c10::Device(c10::DeviceType::CPU), c10::Device(c10::DeviceType::CPU)},
{c10::Device(c10::DeviceType::CUDA, 0),
c10::Device(c10::DeviceType::CUDA, 1)},
{c10::Device(c10::DeviceType::CUDA, 1),
c10::Device(c10::DeviceType::CUDA, 2)}},
c10::Device(c10::DeviceType::CUDA, 0));
std::ostringstream os;
os << placement;
EXPECT_EQ(os.str(), "cpu|cpu,cuda:0|cuda:1,cuda:1|cuda:2,|cuda:0");
c10::Device cpu = c10::Device(c10::DeviceType::CPU);
c10::Device cuda0 = c10::Device(c10::DeviceType::CUDA, 0);
c10::Device cuda1 = c10::Device(c10::DeviceType::CUDA, 1);
c10::Device cuda2 = c10::Device(c10::DeviceType::CUDA, 2);
c10::Device cuda3 = c10::Device(c10::DeviceType::CUDA, 3);
EXPECT_EQ(placement.getMappedDevice(cpu), cpu);
EXPECT_EQ(placement.getMappedDevice(cuda0), cuda1);
EXPECT_EQ(placement.getMappedDevice(cuda1), cuda2);
EXPECT_EQ(placement.getMappedDevice(cuda2), cuda0);
EXPECT_EQ(placement.getMappedDevice(cuda3), cuda0);
}
TEST(PlacementTest, Placement) {
std::unordered_map<c10::Device, c10::Device> deviceMap1 = {
{c10::Device("cuda:0"), c10::Device("cuda:1")}};
Placement p1(deviceMap1);
EXPECT_EQ(p1.getMappedDevice(c10::Device("cpu")), c10::Device("cpu"));
EXPECT_EQ(p1.getMappedDevice(c10::Device("cuda")), c10::Device("cuda"));
EXPECT_EQ(p1.getMappedDevice(c10::Device("cuda:0")), c10::Device("cuda:1"));
std::unordered_map<c10::Device, c10::Device> deviceMap2 = {
{c10::Device("cpu"), c10::Device("cuda:0")}};
Placement p2(deviceMap2);
EXPECT_EQ(p2.getMappedDevice(c10::Device("cpu")), c10::Device("cuda:0"));
EXPECT_EQ(p2.getMappedDevice(c10::Device("cuda:0")), c10::Device("cuda:0"));
EXPECT_EQ(p2.getMappedDevice(c10::Device("cuda:1")), c10::Device("cuda:1"));
}
} // namespace torch::nativert
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