Hendrik/xgboost
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[coll] Federated comm. (#9732)

Browse Source
This commit is contained in:
Jiaming Yuan
2023-10-31 02:39:55 +08:00
committed by GitHub
parent fa65cf6646
commit 80390e6cb6
13 changed files with 508 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
tests/cpp/common/test_bitfield.cc
View File

@@ -97,4 +97,29 @@ TEST(BitField, Clear) {
TestBitFieldClear<RBitField8>(19);
}
}
TEST(BitField, CTZ) {
{
auto cnt = TrailingZeroBits(0);
ASSERT_EQ(cnt, sizeof(std::uint32_t) * 8);
}
{
auto cnt = TrailingZeroBits(0b00011100);
ASSERT_EQ(cnt, 2);
cnt = detail::TrailingZeroBitsImpl(0b00011100);
ASSERT_EQ(cnt, 2);
}
{
auto cnt = TrailingZeroBits(0b00011101);
ASSERT_EQ(cnt, 0);
cnt = detail::TrailingZeroBitsImpl(0b00011101);
ASSERT_EQ(cnt, 0);
}
{
auto cnt = TrailingZeroBits(0b1000000000000000);
ASSERT_EQ(cnt, 15);
cnt = detail::TrailingZeroBitsImpl(0b1000000000000000);
ASSERT_EQ(cnt, 15);
}
}
} // namespace xgboost