Revision control
++ // Copyright 2009-2021 Intel Corporation
++ // SPDX-License-Identifier: Apache-2.0
++
++ #pragma once
++
++ #include "default.h"
++
++ /* Macros to gather statistics */
++ #ifdef EMBREE_STAT_COUNTERS
++ # define STAT(x) x
++ # define STAT3(s,x,y,z) \
++ STAT(Stat::get().code .s+=x); \
++ STAT(Stat::get().active.s+=y); \
++ STAT(Stat::get().all .s+=z);
++ # define STAT_USER(i,x) Stat::get().user[i]+=x;
++ #else
++ # define STAT(x)
++ # define STAT3(s,x,y,z)
++ # define STAT_USER(i,x)
++ #endif
++
++ namespace embree
++ {
++ /*! Gathers ray tracing statistics. We count 1) how often a code
++ * location is reached, 2) how many SIMD lanes are active, 3) how
++ * many SIMD lanes reach the code location */
++ class Stat
++ {
++ public:
++
++ static const size_t SIZE_HISTOGRAM = 64+1;
++
++ /*! constructs stat counter class */
++ Stat ();
++
++ /*! destructs stat counter class */
++ ~Stat ();
++
++ class Counters
++ {
++ public:
++ Counters () {
++ clear();
++ }
++
++ void clear()
++ {
++ all.clear();
++ active.clear();
++ code.clear();
++ for (auto& u : user) u.store(0);
++ }
++
++ public:
++
++ /* per packet and per ray stastics */
++ struct Data
++ {
++ void clear () {
++ normal.clear();
++ shadow.clear();
++ point_query.clear();
++ }
++
++ /* normal and shadow ray statistics */
++ struct
++ {
++ void clear()
++ {
++ travs.store(0);
++ trav_nodes.store(0);
++ trav_leaves.store(0);
++ trav_prims.store(0);
++ trav_prim_hits.store(0);
++ for (auto& v : trav_hit_boxes) v.store(0);
++ trav_stack_pop.store(0);
++ trav_stack_nodes.store(0);
++ trav_xfm_nodes.store(0);
++ }
++
++ public:
++ std::atomic<size_t> travs;
++ std::atomic<size_t> trav_nodes;
++ std::atomic<size_t> trav_leaves;
++ std::atomic<size_t> trav_prims;
++ std::atomic<size_t> trav_prim_hits;
++ std::atomic<size_t> trav_hit_boxes[SIZE_HISTOGRAM+1];
++ std::atomic<size_t> trav_stack_pop;
++ std::atomic<size_t> trav_stack_nodes;
++ std::atomic<size_t> trav_xfm_nodes;
++
++ } normal, shadow, point_query;
++ } all, active, code;
++
++ std::atomic<size_t> user[10];
++ };
++
++ public:
++
++ static __forceinline Counters& get() {
++ return instance.cntrs;
++ }
++
++ static void clear() {
++ instance.cntrs.clear();
++ }
++
++ static void print(embree_ostream cout);
++
++ private:
++ Counters cntrs;
++
++ private:
++ static Stat instance;
++ };
++ }