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Support host data in proxy DMatrix. (#7087)

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This commit is contained in:
Jiaming Yuan
2021-07-08 11:35:48 +08:00
committed by GitHub
parent 5d7cdf2e36
commit 84d359efb8
9 changed files with 188 additions and 30 deletions
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27
src/data/proxy_dmatrix.cuh Normal file
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/*!
* Copyright 2021 XGBoost contributors
*/
#include "device_adapter.cuh"
#include "proxy_dmatrix.h"
namespace xgboost {
namespace data {
template <typename Fn>
decltype(auto) Dispatch(DMatrixProxy const* proxy, Fn fn) {
if (proxy->Adapter().type() == typeid(std::shared_ptr<CupyAdapter>)) {
auto value = dmlc::get<std::shared_ptr<CupyAdapter>>(
proxy->Adapter())->Value();
return fn(value);
} else if (proxy->Adapter().type() == typeid(std::shared_ptr<CudfAdapter>)) {
auto value = dmlc::get<std::shared_ptr<CudfAdapter>>(
proxy->Adapter())->Value();
return fn(value);
} else {
LOG(FATAL) << "Unknown type: " << proxy->Adapter().type().name();
auto value = dmlc::get<std::shared_ptr<CudfAdapter>>(
proxy->Adapter())->Value();
return fn(value);
}
}
} // namespace data
} // namespace xgboost