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Move feature names and types of DMatrix from Python to C++. (#5858)

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* Add thread local return entry for DMatrix.
* Save feature name and feature type in binary file.

Co-authored-by: Philip Hyunsu Cho <chohyu01@cs.washington.edu>
This commit is contained in:
Jiaming Yuan
2020-07-07 09:40:13 +08:00
committed by GitHub
parent 4b0852ee41
commit 93c44a9a64
12 changed files with 451 additions and 84 deletions
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6
src/learner.cc
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@@ -202,7 +202,7 @@ void GenericParameter::ConfigureGpuId(bool require_gpu) {
#endif // defined(XGBOOST_USE_CUDA)
}
using XGBAPIThreadLocalStore =
using LearnerAPIThreadLocalStore =
dmlc::ThreadLocalStore<std::map<Learner const *, XGBAPIThreadLocalEntry>>;
class LearnerConfiguration : public Learner {
@@ -895,7 +895,7 @@ class LearnerImpl : public LearnerIO {
explicit LearnerImpl(std::vector<std::shared_ptr<DMatrix> > cache)
: LearnerIO{cache} {}
~LearnerImpl() override {
auto local_map = XGBAPIThreadLocalStore::Get();
auto local_map = LearnerAPIThreadLocalStore::Get();
if (local_map->find(this) != local_map->cend()) {
local_map->erase(this);
}
@@ -1023,7 +1023,7 @@ class LearnerImpl : public LearnerIO {
}
XGBAPIThreadLocalEntry& GetThreadLocal() const override {
return (*XGBAPIThreadLocalStore::Get())[this];
return (*LearnerAPIThreadLocalStore::Get())[this];
}
void InplacePredict(dmlc::any const &x, std::string const &type,