117 lines
2.5 KiB
C++
117 lines
2.5 KiB
C++
// Copyright 2009-2020 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include "default.h"
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/* Macros to gather statistics */
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#ifdef EMBREE_STAT_COUNTERS
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# define STAT(x) x
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# define STAT3(s,x,y,z) \
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STAT(Stat::get().code .s+=x); \
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STAT(Stat::get().active.s+=y); \
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STAT(Stat::get().all .s+=z);
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# define STAT_USER(i,x) Stat::get().user[i]+=x;
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#else
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# define STAT(x)
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# define STAT3(s,x,y,z)
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# define STAT_USER(i,x)
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#endif
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namespace embree
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{
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/*! Gathers ray tracing statistics. We count 1) how often a code
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* location is reached, 2) how many SIMD lanes are active, 3) how
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* many SIMD lanes reach the code location */
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class Stat
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{
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public:
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static const size_t SIZE_HISTOGRAM = 64+1;
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/*! constructs stat counter class */
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Stat ();
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/*! destructs stat counter class */
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~Stat ();
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class Counters
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{
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public:
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Counters () {
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clear();
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}
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void clear()
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{
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all.clear();
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active.clear();
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code.clear();
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for (auto& u : user) u.store(0);
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}
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public:
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/* per packet and per ray stastics */
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struct Data
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{
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void clear () {
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normal.clear();
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shadow.clear();
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point_query.clear();
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}
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/* normal and shadow ray statistics */
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struct
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{
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void clear()
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{
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travs.store(0);
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trav_nodes.store(0);
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trav_leaves.store(0);
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trav_prims.store(0);
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trav_prim_hits.store(0);
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for (auto& v : trav_hit_boxes) v.store(0);
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trav_stack_pop.store(0);
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trav_stack_nodes.store(0);
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trav_xfm_nodes.store(0);
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}
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public:
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std::atomic<size_t> travs;
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std::atomic<size_t> trav_nodes;
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std::atomic<size_t> trav_leaves;
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std::atomic<size_t> trav_prims;
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std::atomic<size_t> trav_prim_hits;
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std::atomic<size_t> trav_hit_boxes[SIZE_HISTOGRAM+1];
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std::atomic<size_t> trav_stack_pop;
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std::atomic<size_t> trav_stack_nodes;
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std::atomic<size_t> trav_xfm_nodes;
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} normal, shadow, point_query;
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} all, active, code;
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std::atomic<size_t> user[10];
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};
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public:
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static __forceinline Counters& get() {
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return instance.cntrs;
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}
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static void clear() {
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instance.cntrs.clear();
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}
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static void print(embree_ostream cout);
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private:
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Counters cntrs;
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private:
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static Stat instance;
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};
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}
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