f1275f52c1
* Rewrite gpu_id related code. * Remove normalised/unnormalised operatios. * Address difference between `Index' and `Device ID'. * Modify doc for `gpu_id'. * Better LOG for GPUSet. * Check specified n_gpus. * Remove inappropriate `device_idx' term. * Clarify GpuIdType and size_t.
62 lines
1.4 KiB
Plaintext
62 lines
1.4 KiB
Plaintext
#include "../../../src/common/common.h"
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#include <gtest/gtest.h>
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namespace xgboost {
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TEST(GPUSet, GPUBasic) {
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GPUSet devices = GPUSet::Empty();
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ASSERT_TRUE(devices.IsEmpty());
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devices = GPUSet{1, 1};
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ASSERT_TRUE(devices != GPUSet::Empty());
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EXPECT_EQ(devices.Size(), 1);
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EXPECT_EQ(*(devices.begin()), 1);
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devices = GPUSet::Range(1, 0);
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EXPECT_EQ(devices, GPUSet::Empty());
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EXPECT_EQ(devices.Size(), 0);
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EXPECT_TRUE(devices.IsEmpty());
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EXPECT_FALSE(devices.Contains(1));
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devices = GPUSet::Range(2, -1);
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EXPECT_EQ(devices, GPUSet::Empty());
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devices = GPUSet::Range(2, 8);
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EXPECT_EQ(devices.Size(), 8);
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EXPECT_EQ(*devices.begin(), 2);
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EXPECT_EQ(*devices.end(), 2 + devices.Size());
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EXPECT_EQ(8, devices.Size());
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ASSERT_NO_THROW(GPUSet::AllVisible());
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devices = GPUSet::AllVisible();
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if (devices.IsEmpty()) {
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LOG(WARNING) << "Empty devices.";
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}
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}
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#if defined(XGBOOST_USE_NCCL)
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TEST(GPUSet, MGPU_GPUBasic) {
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{
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GPUSet devices = GPUSet::All(1, 1);
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ASSERT_EQ(*(devices.begin()), 1);
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ASSERT_EQ(*(devices.end()), 2);
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ASSERT_EQ(devices.Size(), 1);
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ASSERT_TRUE(devices.Contains(1));
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}
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{
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GPUSet devices = GPUSet::All(0, -1);
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ASSERT_GE(devices.Size(), 2);
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}
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// Specify number of rows.
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{
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GPUSet devices = GPUSet::All(0, -1, 1);
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ASSERT_EQ(devices.Size(), 1);
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}
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}
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#endif
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} // namespace xgboost |