xgboost/src/objective/objective.cc
trivialfis d594b11f35 Implement transform to reduce CPU/GPU code duplication. (#3643)
* Implement Transform class.
* Add tests for softmax.
* Use Transform in regression, softmax and hinge objectives, except for Cox.
* Mark old gpu objective functions deprecated.
* static_assert for softmax.
* Split up multi-gpu tests.
2018-10-02 15:06:21 +13:00

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/*!
* Copyright 2015 by Contributors
* \file objective.cc
* \brief Registry of all objective functions.
*/
#include <xgboost/objective.h>
#include <dmlc/registry.h>
#include "../common/host_device_vector.h"
namespace dmlc {
DMLC_REGISTRY_ENABLE(::xgboost::ObjFunctionReg);
} // namespace dmlc
namespace xgboost {
// implement factory functions
ObjFunction* ObjFunction::Create(const std::string& name) {
auto *e = ::dmlc::Registry< ::xgboost::ObjFunctionReg>::Get()->Find(name);
if (e == nullptr) {
for (const auto& entry : ::dmlc::Registry< ::xgboost::ObjFunctionReg>::List()) {
LOG(INFO) << "Objective candidate: " << entry->name;
}
LOG(FATAL) << "Unknown objective function " << name;
}
return (e->body)();
}
} // namespace xgboost
namespace xgboost {
namespace obj {
// List of files that will be force linked in static links.
#ifdef XGBOOST_USE_CUDA
DMLC_REGISTRY_LINK_TAG(regression_obj_gpu);
DMLC_REGISTRY_LINK_TAG(hinge_obj_gpu);
DMLC_REGISTRY_LINK_TAG(multiclass_obj_gpu);
#else
DMLC_REGISTRY_LINK_TAG(regression_obj);
DMLC_REGISTRY_LINK_TAG(hinge_obj);
DMLC_REGISTRY_LINK_TAG(multiclass_obj);
#endif
DMLC_REGISTRY_LINK_TAG(rank_obj);
} // namespace obj
} // namespace xgboost