Method Run

catboost/cuda/targets/user_defined.h:52–62

        }

        void Run(const TCudaStream& stream) const {
            auto target_ptr = TConstArrayRef<float>(Targets.Get(), Targets.ObjectCount());
            auto weights_ptr = TConstArrayRef<float>(Weights.Get(), Weights.ObjectCount());
            auto predictions_ptr = TConstArrayRef<float>(Predictions.Get(), Predictions.ObjectCount());
            auto val_results_ptr = TConstArrayRef<float>(ValResults.Get(), ValResults.ObjectCount());
            auto der1_results_ptr = TConstArrayRef<float>(Der1Results.Get(), Der1Results.ObjectCount());
            auto der2_results_ptr = TConstArrayRef<float>(Der2Results.Get(), Der2Results.ObjectCount());
            size_t totalObjects = Targets.ObjectCount();
            size_t NumBlocks = (totalObjects + BlockSize - 1) / BlockSize;
            (*(Descriptor.GpuCalcDersRange))(predictions_ptr, target_ptr, weights_ptr, val_results_ptr, der1_results_ptr, der2_results_ptr, totalObjects, Descriptor.CustomData, stream.GetStream(), BlockSize, NumBlocks);
        }
    };

    class TUserDefinedMetricKernel: public TStatelessKernel {