1 | // Copyright 2009-2021 Intel Corporation |
2 | // SPDX-License-Identifier: Apache-2.0 |
3 | |
4 | #pragma once |
5 | |
6 | #include "default.h" |
7 | |
8 | /* Macros to gather statistics */ |
9 | #ifdef EMBREE_STAT_COUNTERS |
10 | # define STAT(x) x |
11 | # define STAT3(s,x,y,z) \ |
12 | STAT(Stat::get().code .s+=x); \ |
13 | STAT(Stat::get().active.s+=y); \ |
14 | STAT(Stat::get().all .s+=z); |
15 | # define STAT_USER(i,x) Stat::get().user[i]+=x; |
16 | #else |
17 | # define STAT(x) |
18 | # define STAT3(s,x,y,z) |
19 | # define STAT_USER(i,x) |
20 | #endif |
21 | |
22 | namespace embree |
23 | { |
24 | /*! Gathers ray tracing statistics. We count 1) how often a code |
25 | * location is reached, 2) how many SIMD lanes are active, 3) how |
26 | * many SIMD lanes reach the code location */ |
27 | class Stat |
28 | { |
29 | public: |
30 | |
31 | static const size_t SIZE_HISTOGRAM = 64+1; |
32 | |
33 | /*! constructs stat counter class */ |
34 | Stat (); |
35 | |
36 | /*! destructs stat counter class */ |
37 | ~Stat (); |
38 | |
39 | class Counters |
40 | { |
41 | public: |
42 | Counters () { |
43 | clear(); |
44 | } |
45 | |
46 | void clear() |
47 | { |
48 | all.clear(); |
49 | active.clear(); |
50 | code.clear(); |
51 | for (auto& u : user) u.store(0); |
52 | } |
53 | |
54 | public: |
55 | |
56 | /* per packet and per ray stastics */ |
57 | struct Data |
58 | { |
59 | void clear () { |
60 | normal.clear(); |
61 | shadow.clear(); |
62 | point_query.clear(); |
63 | } |
64 | |
65 | /* normal and shadow ray statistics */ |
66 | struct |
67 | { |
68 | void clear() |
69 | { |
70 | travs.store(0); |
71 | trav_nodes.store(0); |
72 | trav_leaves.store(0); |
73 | trav_prims.store(0); |
74 | trav_prim_hits.store(0); |
75 | for (auto& v : trav_hit_boxes) v.store(0); |
76 | trav_stack_pop.store(0); |
77 | trav_stack_nodes.store(0); |
78 | trav_xfm_nodes.store(0); |
79 | } |
80 | |
81 | public: |
82 | std::atomic<size_t> travs; |
83 | std::atomic<size_t> trav_nodes; |
84 | std::atomic<size_t> trav_leaves; |
85 | std::atomic<size_t> trav_prims; |
86 | std::atomic<size_t> trav_prim_hits; |
87 | std::atomic<size_t> trav_hit_boxes[SIZE_HISTOGRAM+1]; |
88 | std::atomic<size_t> trav_stack_pop; |
89 | std::atomic<size_t> trav_stack_nodes; |
90 | std::atomic<size_t> trav_xfm_nodes; |
91 | |
92 | } normal, shadow, point_query; |
93 | } all, active, code; |
94 | |
95 | std::atomic<size_t> user[10]; |
96 | }; |
97 | |
98 | public: |
99 | |
100 | static __forceinline Counters& get() { |
101 | return instance.cntrs; |
102 | } |
103 | |
104 | static void clear() { |
105 | instance.cntrs.clear(); |
106 | } |
107 | |
108 | static void print(embree_ostream cout); |
109 | |
110 | private: |
111 | Counters cntrs; |
112 | |
113 | private: |
114 | static Stat instance; |
115 | }; |
116 | } |
117 | |