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Performance improvement of GCodeProcessor:

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Replaced std::string with std::string_view for constant parameters
Replaced boost:istarts_with() with boost::starts_with()
This commit is contained in:
Vojtech Bubnik 2022-08-18 10:30:20 +02:00 • committed by enricoturri1966
parent 3395b288c4
commit a93620621d
2 changed files with 8 additions and 3 deletions
src/libslic3r/GCode
GCodeProcessor.cpp

9
src/libslic3r/GCode/GCodeProcessor.cpp
View file

@ -3779,8 +3779,13 @@ void GCodeProcessor::post_process()
}
auto process_used_filament = [&](std::string& gcode_line) {
auto process_tag = [](std::string& gcode_line, const std::string& tag, const std::vector<double>& values) {
if (boost::algorithm::istarts_with(gcode_line, tag)) {
// Prefilter for parsing speed.
if (gcode_line.size() < 8 || gcode_line[0] != ';' || gcode_line[1] != ' ')
return false;
if (const char c = gcode_line[2]; c != 'f' && c != 't')
return false;
auto process_tag = [](std::string& gcode_line, const std::string_view tag, const std::vector<double>& values) {
if (boost::algorithm::starts_with(gcode_line, tag)) {
gcode_line = tag;
char buf[1024];
for (size_t i = 0; i < values.size(); ++i) {