forked from bartvdbraak/blender
312 lines
10 KiB
C++
312 lines
10 KiB
C++
/*
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* Copyright 2011-2018 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "render/stats.h"
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#include "render/object.h"
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#include "util/util_algorithm.h"
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#include "util/util_foreach.h"
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#include "util/util_string.h"
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CCL_NAMESPACE_BEGIN
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static int kIndentNumSpaces = 2;
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/* Named size entry. */
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namespace {
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bool namedSizeEntryComparator(const NamedSizeEntry& a, const NamedSizeEntry& b)
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{
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/* We sort in descending order. */
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return a.size > b.size;
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}
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bool namedTimeSampleEntryComparator(const NamedNestedSampleStats& a, const NamedNestedSampleStats& b)
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{
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return a.sum_samples > b.sum_samples;
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}
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bool namedSampleCountPairComparator(const NamedSampleCountPair& a, const NamedSampleCountPair& b)
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{
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return a.samples > b.samples;
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}
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} // namespace
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NamedSizeEntry::NamedSizeEntry()
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: name(""),
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size(0) {
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}
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NamedSizeEntry::NamedSizeEntry(const string& name, size_t size)
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: name(name),
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size(size) {
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}
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/* Named size statistics. */
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NamedSizeStats::NamedSizeStats()
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: total_size(0) {
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}
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void NamedSizeStats::add_entry(const NamedSizeEntry& entry) {
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total_size += entry.size;
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entries.push_back(entry);
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}
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string NamedSizeStats::full_report(int indent_level)
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{
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const string indent(indent_level * kIndentNumSpaces, ' ');
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const string double_indent = indent + indent;
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string result = "";
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result += string_printf("%sTotal memory: %s (%s)\n",
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indent.c_str(),
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string_human_readable_size(total_size).c_str(),
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string_human_readable_number(total_size).c_str());
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sort(entries.begin(), entries.end(), namedSizeEntryComparator);
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foreach(const NamedSizeEntry& entry, entries) {
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result += string_printf(
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"%s%-32s %s (%s)\n",
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double_indent.c_str(),
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entry.name.c_str(),
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string_human_readable_size(entry.size).c_str(),
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string_human_readable_number(entry.size).c_str());
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}
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return result;
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}
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/* Named time sample statistics. */
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NamedNestedSampleStats::NamedNestedSampleStats()
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: name(""), self_samples(0), sum_samples(0)
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{}
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NamedNestedSampleStats::NamedNestedSampleStats(const string& name, uint64_t samples)
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: name(name), self_samples(samples), sum_samples(samples)
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{}
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NamedNestedSampleStats& NamedNestedSampleStats::add_entry(const string& name_, uint64_t samples_)
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{
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entries.push_back(NamedNestedSampleStats(name_, samples_));
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return entries[entries.size()-1];
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}
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void NamedNestedSampleStats::update_sum()
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{
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sum_samples = self_samples;
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foreach(NamedNestedSampleStats& entry, entries) {
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entry.update_sum();
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sum_samples += entry.sum_samples;
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}
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}
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string NamedNestedSampleStats::full_report(int indent_level, uint64_t total_samples)
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{
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update_sum();
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if(total_samples == 0) {
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total_samples = sum_samples;
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}
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const string indent(indent_level * kIndentNumSpaces, ' ');
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const double sum_percent = 100*((double) sum_samples) / total_samples;
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const double sum_seconds = sum_samples * 0.001;
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const double self_percent = 100*((double) self_samples) / total_samples;
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const double self_seconds = self_samples * 0.001;
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string info = string_printf("%-32s: Total %3.2f%% (%.2fs), Self %3.2f%% (%.2fs)\n",
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name.c_str(),
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sum_percent,
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sum_seconds,
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self_percent,
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self_seconds);
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string result = indent + info;
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sort(entries.begin(), entries.end(), namedTimeSampleEntryComparator);
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foreach(NamedNestedSampleStats& entry, entries) {
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result += entry.full_report(indent_level + 1, total_samples);
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}
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return result;
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}
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/* Named sample count pairs. */
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NamedSampleCountPair::NamedSampleCountPair(const ustring& name, uint64_t samples, uint64_t hits)
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: name(name), samples(samples), hits(hits)
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{}
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NamedSampleCountStats::NamedSampleCountStats()
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{}
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void NamedSampleCountStats::add(const ustring& name, uint64_t samples, uint64_t hits)
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{
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entry_map::iterator entry = entries.find(name);
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if(entry != entries.end()) {
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entry->second.samples += samples;
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entry->second.hits += hits;
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return;
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}
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entries.emplace(name, NamedSampleCountPair(name, samples, hits));
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}
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string NamedSampleCountStats::full_report(int indent_level)
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{
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const string indent(indent_level * kIndentNumSpaces, ' ');
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vector<NamedSampleCountPair> sorted_entries;
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sorted_entries.reserve(entries.size());
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uint64_t total_hits = 0, total_samples = 0;
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foreach(entry_map::const_reference entry, entries) {
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const NamedSampleCountPair &pair = entry.second;
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total_hits += pair.hits;
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total_samples += pair.samples;
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sorted_entries.push_back(pair);
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}
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const double avg_samples_per_hit = ((double) total_samples) / total_hits;
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sort(sorted_entries.begin(), sorted_entries.end(), namedSampleCountPairComparator);
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string result = "";
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foreach(const NamedSampleCountPair& entry, sorted_entries) {
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const double seconds = entry.samples * 0.001;
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const double relative = ((double) entry.samples) / (entry.hits * avg_samples_per_hit);
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result += indent + string_printf("%-32s: %.2fs (Relative cost: %.2f)\n",
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entry.name.c_str(),
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seconds,
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relative);
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}
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return result;
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}
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/* Mesh statistics. */
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MeshStats::MeshStats() {
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}
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string MeshStats::full_report(int indent_level)
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{
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const string indent(indent_level * kIndentNumSpaces, ' ');
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string result = "";
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result += indent + "Geometry:\n" + geometry.full_report(indent_level + 1);
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return result;
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}
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/* Image statistics. */
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ImageStats::ImageStats() {
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}
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string ImageStats::full_report(int indent_level)
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{
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const string indent(indent_level * kIndentNumSpaces, ' ');
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string result = "";
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result += indent + "Textures:\n" + textures.full_report(indent_level + 1);
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return result;
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}
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/* Overall statistics. */
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RenderStats::RenderStats() {
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has_profiling = false;
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}
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void RenderStats::collect_profiling(Scene *scene, Profiler& prof)
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{
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has_profiling = true;
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kernel = NamedNestedSampleStats("Total render time", prof.get_event(PROFILING_UNKNOWN));
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kernel.add_entry("Ray setup", prof.get_event(PROFILING_RAY_SETUP));
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kernel.add_entry("Result writing", prof.get_event(PROFILING_WRITE_RESULT));
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NamedNestedSampleStats &integrator = kernel.add_entry("Path integration", prof.get_event(PROFILING_PATH_INTEGRATE));
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integrator.add_entry("Scene intersection", prof.get_event(PROFILING_SCENE_INTERSECT));
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integrator.add_entry("Indirect emission", prof.get_event(PROFILING_INDIRECT_EMISSION));
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integrator.add_entry("Volumes", prof.get_event(PROFILING_VOLUME));
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NamedNestedSampleStats &shading = integrator.add_entry("Shading", 0);
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shading.add_entry("Shader Setup", prof.get_event(PROFILING_SHADER_SETUP));
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shading.add_entry("Shader Eval", prof.get_event(PROFILING_SHADER_EVAL));
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shading.add_entry("Shader Apply", prof.get_event(PROFILING_SHADER_APPLY));
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shading.add_entry("Ambient Occlusion", prof.get_event(PROFILING_AO));
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shading.add_entry("Subsurface", prof.get_event(PROFILING_SUBSURFACE));
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integrator.add_entry("Connect Light", prof.get_event(PROFILING_CONNECT_LIGHT));
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integrator.add_entry("Surface Bounce", prof.get_event(PROFILING_SURFACE_BOUNCE));
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NamedNestedSampleStats &intersection = kernel.add_entry("Intersection", 0);
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intersection.add_entry("Full Intersection", prof.get_event(PROFILING_INTERSECT));
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intersection.add_entry("Local Intersection", prof.get_event(PROFILING_INTERSECT_LOCAL));
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intersection.add_entry("Shadow All Intersection", prof.get_event(PROFILING_INTERSECT_SHADOW_ALL));
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intersection.add_entry("Volume Intersection", prof.get_event(PROFILING_INTERSECT_VOLUME));
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intersection.add_entry("Volume All Intersection", prof.get_event(PROFILING_INTERSECT_VOLUME_ALL));
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NamedNestedSampleStats &closure = kernel.add_entry("Closures", 0);
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closure.add_entry("Surface Closure Evaluation", prof.get_event(PROFILING_CLOSURE_EVAL));
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closure.add_entry("Surface Closure Sampling", prof.get_event(PROFILING_CLOSURE_SAMPLE));
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closure.add_entry("Volume Closure Evaluation", prof.get_event(PROFILING_CLOSURE_VOLUME_EVAL));
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closure.add_entry("Volume Closure Sampling", prof.get_event(PROFILING_CLOSURE_VOLUME_SAMPLE));
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NamedNestedSampleStats &denoising = kernel.add_entry("Denoising", prof.get_event(PROFILING_DENOISING));
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denoising.add_entry("Construct Transform", prof.get_event(PROFILING_DENOISING_CONSTRUCT_TRANSFORM));
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denoising.add_entry("Reconstruct", prof.get_event(PROFILING_DENOISING_RECONSTRUCT));
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NamedNestedSampleStats &prefilter = denoising.add_entry("Prefiltering", 0);
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prefilter.add_entry("Divide Shadow", prof.get_event(PROFILING_DENOISING_DIVIDE_SHADOW));
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prefilter.add_entry("Non-Local means", prof.get_event(PROFILING_DENOISING_NON_LOCAL_MEANS));
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prefilter.add_entry("Get Feature", prof.get_event(PROFILING_DENOISING_GET_FEATURE));
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prefilter.add_entry("Detect Outliers", prof.get_event(PROFILING_DENOISING_DETECT_OUTLIERS));
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prefilter.add_entry("Combine Halves", prof.get_event(PROFILING_DENOISING_COMBINE_HALVES));
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shaders.entries.clear();
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foreach(Shader *shader, scene->shaders) {
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uint64_t samples, hits;
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if(prof.get_shader(shader->id, samples, hits)) {
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shaders.add(shader->name, samples, hits);
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}
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}
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objects.entries.clear();
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foreach(Object *object, scene->objects) {
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uint64_t samples, hits;
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if(prof.get_object(object->get_device_index(), samples, hits)) {
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objects.add(object->name, samples, hits);
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}
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}
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}
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string RenderStats::full_report()
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{
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string result = "";
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result += "Mesh statistics:\n" + mesh.full_report(1);
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result += "Image statistics:\n" + image.full_report(1);
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if(has_profiling) {
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result += "Kernel statistics:\n" + kernel.full_report(1);
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result += "Shader statistics:\n" + shaders.full_report(1);
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result += "Object statistics:\n" + objects.full_report(1);
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}
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else {
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result += "Profiling information not available (only works with CPU rendering)";
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}
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return result;
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}
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CCL_NAMESPACE_END
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