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Make HostDeviceVector single gpu only (#4773)

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* Make HostDeviceVector single gpu only
This commit is contained in:
Rong Ou
2019-08-25 14:51:13 -07:00
committed by Rory Mitchell
parent 41227d1933
commit 38ab79f889
54 changed files with 641 additions and 1621 deletions
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37
tests/cpp/common/test_common.cc
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@@ -1,37 +0,0 @@
#include "../../../src/common/common.h"
#include <gtest/gtest.h>
namespace xgboost {
TEST(GPUSet, Basic) {
GPUSet devices = GPUSet::Empty();
ASSERT_TRUE(devices.IsEmpty());
devices = GPUSet{0, 1};
ASSERT_TRUE(devices != GPUSet::Empty());
EXPECT_EQ(devices.Size(), 1);
devices = GPUSet::Range(1, 0);
EXPECT_EQ(devices.Size(), 0);
EXPECT_TRUE(devices.IsEmpty());
EXPECT_FALSE(devices.Contains(1));
devices = GPUSet::Range(2, -1);
EXPECT_EQ(devices, GPUSet::Empty());
EXPECT_EQ(devices.Size(), 0);
EXPECT_TRUE(devices.IsEmpty());
devices = GPUSet::Range(2, 8); // 2 ~ 10
EXPECT_EQ(devices.Size(), 8);
EXPECT_ANY_THROW(devices.DeviceId(8));
auto device_id = devices.DeviceId(0);
EXPECT_EQ(device_id, 2);
auto device_index = devices.Index(2);
EXPECT_EQ(device_index, 0);
#ifndef XGBOOST_USE_CUDA
EXPECT_EQ(GPUSet::AllVisible(), GPUSet::Empty());
#endif
}
} // namespace xgboost