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Use DataSplitMode to configure data loading (#8434)

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* Use `DataSplitMode` to configure data loading
This commit is contained in:
Rong Ou
2022-11-08 00:21:50 -08:00
committed by GitHub
parent 0d3da9869c
commit 8e76f5f595
13 changed files with 46 additions and 40 deletions
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6
src/c_api/c_api.cc
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@@ -207,16 +207,16 @@ XGB_DLL int XGBGetGlobalConfig(const char** json_str) {
XGB_DLL int XGDMatrixCreateFromFile(const char *fname, int silent, DMatrixHandle *out) {
API_BEGIN();
bool load_row_split = false;
auto data_split_mode = DataSplitMode::kNone;
if (collective::IsFederated()) {
LOG(CONSOLE) << "XGBoost federated mode detected, not splitting data among workers";
} else if (collective::IsDistributed()) {
LOG(CONSOLE) << "XGBoost distributed mode detected, will split data among workers";
load_row_split = true;
data_split_mode = DataSplitMode::kRow;
}
xgboost_CHECK_C_ARG_PTR(fname);
xgboost_CHECK_C_ARG_PTR(out);
*out = new std::shared_ptr<DMatrix>(DMatrix::Load(fname, silent != 0, load_row_split));
*out = new std::shared_ptr<DMatrix>(DMatrix::Load(fname, silent != 0, data_split_mode));
API_END();
}