9fbde21e9d
- Rework the precision metric for both CPU and GPU. - Mention it in the document. - Cleanup old support code for GPU ranking metric. - Deterministic GPU implementation. * Drop support for classification. * type. * use batch shape. * lint. * cpu build. * cpu build. * lint. * Tests. * Fix. * Cleanup error message.
73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
/**
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* Copyright 2015-2023 by XGBoost Contributors
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* \file metric_registry.cc
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* \brief Registry of objective functions.
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*/
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#include <dmlc/registry.h>
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#include <xgboost/context.h>
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#include <xgboost/metric.h>
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#include "metric_common.h"
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namespace xgboost {
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template <typename MetricRegistry>
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Metric* CreateMetricImpl(const std::string& name) {
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std::string buf = name;
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std::string prefix = name;
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const char* param;
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auto pos = buf.find('@');
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if (pos == std::string::npos) {
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if (!buf.empty() && buf.back() == '-') {
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// Metrics of form "metric-"
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prefix = buf.substr(0, buf.length() - 1); // Chop off '-'
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param = "-";
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} else {
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prefix = buf;
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param = nullptr;
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}
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auto *e = ::dmlc::Registry<MetricRegistry>::Get()->Find(prefix.c_str());
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if (e == nullptr) {
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return nullptr;
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}
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auto p_metric = (e->body)(param);
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return p_metric;
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} else {
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std::string prefix = buf.substr(0, pos);
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auto *e = ::dmlc::Registry<MetricRegistry>::Get()->Find(prefix.c_str());
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if (e == nullptr) {
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return nullptr;
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}
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auto p_metric = (e->body)(buf.substr(pos + 1, buf.length()).c_str());
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return p_metric;
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}
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}
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Metric *
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Metric::Create(const std::string& name, Context const* ctx) {
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auto metric = CreateMetricImpl<MetricReg>(name);
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if (metric == nullptr) {
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LOG(FATAL) << "Unknown metric function " << name;
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}
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metric->ctx_ = ctx;
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return metric;
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}
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} // namespace xgboost
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namespace dmlc {
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DMLC_REGISTRY_ENABLE(::xgboost::MetricReg);
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}
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namespace xgboost::metric {
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// List of files that will be force linked in static links.
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DMLC_REGISTRY_LINK_TAG(auc);
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DMLC_REGISTRY_LINK_TAG(elementwise_metric);
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DMLC_REGISTRY_LINK_TAG(multiclass_metric);
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DMLC_REGISTRY_LINK_TAG(survival_metric);
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DMLC_REGISTRY_LINK_TAG(rank_metric);
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#ifdef XGBOOST_USE_CUDA
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DMLC_REGISTRY_LINK_TAG(auc_gpu);
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DMLC_REGISTRY_LINK_TAG(rank_metric_gpu);
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#endif
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} // namespace xgboost::metric
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