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Cleanup code for distributed training. (#9805)

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* Cleanup code for distributed training.

- Merge `GetNcclResult` into nccl stub.
- Split up utilities from the main dask module.
- Let Channel return `Result` to accommodate nccl channel.
- Remove old `use_label_encoder` parameter.
This commit is contained in:
Jiaming Yuan
2023-11-25 09:10:56 +08:00
committed by GitHub
parent e9260de3f3
commit 8fe1a2213c
19 changed files with 221 additions and 192 deletions
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13
tests/cpp/collective/test_comm.cc
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@@ -25,15 +25,18 @@ TEST_F(CommTest, Channel) {
WorkerForTest worker{host, port, timeout, n_workers, i};
if (i % 2 == 0) {
auto p_chan = worker.Comm().Chan(i + 1);
p_chan->SendAll(
EraseType(common::Span<std::int32_t const>{&i, static_cast<std::size_t>(1)}));
auto rc = p_chan->Block();
auto rc = Success() << [&] {
return p_chan->SendAll(
EraseType(common::Span<std::int32_t const>{&i, static_cast<std::size_t>(1)}));
} << [&] { return p_chan->Block(); };
ASSERT_TRUE(rc.OK()) << rc.Report();
} else {
auto p_chan = worker.Comm().Chan(i - 1);
std::int32_t r{-1};
p_chan->RecvAll(EraseType(common::Span<std::int32_t>{&r, static_cast<std::size_t>(1)}));
auto rc = p_chan->Block();
auto rc = Success() << [&] {
return p_chan->RecvAll(
EraseType(common::Span<std::int32_t>{&r, static_cast<std::size_t>(1)}));
} << [&] { return p_chan->Block(); };
ASSERT_TRUE(rc.OK()) << rc.Report();
ASSERT_EQ(r, i - 1);
}