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Dmatrix refactor stage 1 (#3301)

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* Use sparse page as singular CSR matrix representation

* Simplify dmatrix methods

* Reduce statefullness of batch iterators

* BREAKING CHANGE: Remove prob_buffer_row parameter. Users are instead recommended to sample their dataset as a preprocessing step before using XGBoost.
This commit is contained in:
Rory Mitchell
2018-06-07 10:25:58 +12:00
committed by GitHub
parent 286dccb8e8
commit a96039141a
47 changed files with 650 additions and 1036 deletions
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2
tests/cpp/c_api/test_c_api.cc
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@@ -29,7 +29,7 @@ TEST(c_api, XGDMatrixCreateFromMat_omp) {
iter->BeforeFirst();
while (iter->Next()) {
auto batch = iter->Value();
for (int i = 0; i < batch.size; i++) {
for (int i = 0; i < batch.Size(); i++) {
auto inst = batch[i];
for (int j = 0; i < inst.length; i++) {
ASSERT_EQ(inst[j].fvalue, 1.5);