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perf: speed up G-code export by up to 7% via post-processing fixes (#16031)

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Co-authored-by: Rodrigo Faselli <162915171+RF47@users.noreply.github.com>
This commit is contained in:
Kris Austin
2026-10-03 13:29:55 -03:00
committed by GitHub
co-authored by Rodrigo Faselli
parent c67b54b39d
commit 6e0f04815b
15 changed files with 416 additions and 157 deletions
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src/libslic3r/GCode/AdaptivePAProcessor.cpp
+9
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@@ -41,6 +41,9 @@ AdaptivePAProcessor::AdaptivePAProcessor(GCode &gcodegen)
m_pa_change_pattern(R"(; PA_CHANGE:T(\d+) MM3MM:([0-9]*\.[0-9]+) ACCEL:(\d+) BR:(\d+) RC:(\d+) OV:(\d+))"),
m_g1_f_pattern(R"(G1 F([0-9]+))")
{
const size_t indices = std::max(m_config.adaptive_pressure_advance.size(), m_config.enable_pressure_advance.size());
for (size_t i = 0; i < indices && !m_enabled; ++i)
m_enabled = m_config.adaptive_pressure_advance.get_at(i) && m_config.enable_pressure_advance.get_at(i);
}
// Method to get the interpolator for a specific filament config index.
@@ -66,6 +69,12 @@ AdaptivePAInterpolator* AdaptivePAProcessor::getInterpolator(unsigned int config
* @return A string containing the processed G-code with adaptive pressure advance applied.
*/
std::string AdaptivePAProcessor::process_layer(std::string &&gcode) {
// Without PA_CHANGE tags the loop below would only terminate the layer's last line.
if (!m_enabled && gcode.find("; PA_CHANGE") == std::string::npos) {
if (!gcode.empty() && gcode.back() != '\n')
gcode += '\n';
return std::move(gcode);
}
std::istringstream stream(gcode);
std::string line;
std::ostringstream output;