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Check whether any GPUs are available in nccl_manager_test.

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PiperOrigin-RevId: 246803871
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A. Unique TensorFlower 2019-05-06 04:24:35 -07:00 committed by TensorFlower Gardener
parent c52cb20069
commit 3ef646727a
1 changed files with 2 additions and 0 deletions
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tensorflow/core/nccl/nccl_manager_test.cc
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@ -71,6 +71,8 @@ class NcclManagerTest : public ::testing::Test {
LOG(INFO) << "Running test with " << devices_->size() << " gpus";
}
void SetUp() override { ASSERT_GT(devices_->size(), 0) << "No GPUs found"; }
static int32 NumGPUs() { return static_cast<int32>(devices_->size()); }
static void TearDownTestCase() { delete devices_; }