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Handle duplicated values in sketching. (#6178)

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* Accumulate weights in duplicated values.
* Fix device id in iterative dmatrix.
This commit is contained in:
Jiaming Yuan
2020-10-10 19:32:44 +08:00
committed by GitHub
parent ab5b35134f
commit 2241563f23
9 changed files with 250 additions and 54 deletions
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3
tests/cpp/common/test_hist_util.cu
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@@ -314,10 +314,9 @@ TEST(HistUtil, AdapterDeviceSketchMemory) {
ConsoleLogger::Configure({{"verbosity", "3"}});
auto cuts = MakeUnweightedCutsForTest(adapter, num_bins, std::numeric_limits<float>::quiet_NaN());
ConsoleLogger::Configure({{"verbosity", "0"}});
size_t bytes_constant = 1000;
size_t bytes_required = detail::RequiredMemory(
num_rows, num_columns, num_rows * num_columns, num_bins, false);
EXPECT_LE(dh::GlobalMemoryLogger().PeakMemory(), bytes_required + bytes_constant);
EXPECT_LE(dh::GlobalMemoryLogger().PeakMemory(), bytes_required * 1.05);
EXPECT_GE(dh::GlobalMemoryLogger().PeakMemory(), bytes_required * 0.95);
}