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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/CoolingBuffer.cpp
+5 -5
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@@ -1,4 +1,5 @@
#include "../GCode.hpp"
#include "../LocalesUtils.hpp"
#include "libslic3r/Extruder.hpp"
#include "libslic3r/Point.hpp"
#include "libslic3r/libslic3r.h"
@@ -408,13 +409,13 @@ std::vector<PerExtruderAdjustments> CoolingBuffer::parse_layer_gcode(const std::
if (*c == 0 || *c == ';')
break;
assert(is_decimal_separator_point()); // for atof
//BBS: Parse the axis.
size_t axis = (*c >= 'X' && *c <= 'Z') ? (*c - 'X') :
(*c == 'E') ? 3 : (*c == 'F') ? 4 :
(*c == 'I') ? 5 : (*c == 'J') ? 6 : size_t(-1);
if (axis != size_t(-1)) {
new_pos[axis] = float(atof(++c));
++ c;
new_pos[axis] = float(atof_decimal_point(std::string_view(c, sline.data() + sline.size() - c)));
if (axis == 4) {
// Convert mm/min to mm/sec.
new_pos[4] /= 60.f;
@@ -550,10 +551,9 @@ std::vector<PerExtruderAdjustments> CoolingBuffer::parse_layer_gcode(const std::
line.type = CoolingLine::TYPE_G4;
size_t pos_S = sline.find('S', 3);
size_t pos_P = sline.find('P', 3);
assert(is_decimal_separator_point()); // for atof
line.time = line.time_max = float(
(pos_S > 0) ? atof(sline.c_str() + pos_S + 1) :
(pos_P > 0) ? atof(sline.c_str() + pos_P + 1) * 0.001 : 0.);
(pos_S > 0) ? atof_decimal_point(sline.c_str() + pos_S + 1) :
(pos_P > 0) ? atof_decimal_point(sline.c_str() + pos_P + 1) * 0.001 : 0.);
} else if (boost::starts_with(sline, ";_FORCE_RESUME_FAN_SPEED")) {
line.type = CoolingLine::TYPE_FORCE_RESUME_FAN;
}