3D-printing/OrcaSlicer
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Optimization of G-code export:

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1) Don't allocate ExtruderOverrides if not necessary
2) Use boost::container::small_vector<int32, 3) for ExtruderOverrides
   (usually less than 4 instances are printed))
This commit is contained in:
bubnikv 2020-01-08 14:58:12 +01:00
parent 4aee673b13
commit e0811e4aa5
5 changed files with 169 additions and 107 deletions
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27
src/libslic3r/GCode.hpp
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@ -239,7 +239,6 @@ protected:
std::string extrude_multi_path(ExtrusionMultiPath multipath, std::string description = "", double speed = -1.);
std::string extrude_path(ExtrusionPath path, std::string description = "", double speed = -1.);
typedef std::vector<int> ExtruderPerCopy;
// Extruding multiple objects with soluble / non-soluble / combined supports
// on a multi-material printer, trying to minimize tool switches.
// Following structures sort extrusions by the extruder ID, by an order of objects and object islands.
@ -256,18 +255,23 @@ protected:
ExtrusionEntityCollection perimeters;
ExtrusionEntityCollection infills;
std::vector<const ExtruderPerCopy*> infills_overrides;
std::vector<const ExtruderPerCopy*> perimeters_overrides;
std::vector<const WipingExtrusions::ExtruderPerCopy*> infills_overrides;
std::vector<const WipingExtrusions::ExtruderPerCopy*> perimeters_overrides;
enum Type {
PERIMETERS,
INFILL,
};
// Appends perimeter/infill entities and writes don't indices of those that are not to be extruder as part of perimeter/infill wiping
void append(const std::string& type, const ExtrusionEntityCollection* eec, const ExtruderPerCopy* copy_extruders, size_t object_copies_num);
void append(const Type type, const ExtrusionEntityCollection* eec, const WipingExtrusions::ExtruderPerCopy* copy_extruders);
};
std::vector<Region> by_region; // all extrusions for this island, grouped by regions
const std::vector<Region>& by_region_per_copy(unsigned int copy, int extruder, bool wiping_entities = false); // returns reference to subvector of by_region
private:
std::vector<Region> by_region_per_copy_cache; // caches vector generated by function above to avoid copying and recalculating
std::vector<Region> by_region; // all extrusions for this island, grouped by regions
// Fills in by_region_per_copy_cache and returns its reference.
const std::vector<Region>& by_region_per_copy(std::vector<Region> &by_region_per_copy_cache, unsigned int copy, int extruder, bool wiping_entities = false) const;
};
std::vector<Island> islands;
};
@ -277,7 +281,9 @@ protected:
InstanceToPrint(ObjectByExtruder &object_by_extruder, size_t layer_id, const PrintObject &print_object, size_t instance_id) :
object_by_extruder(object_by_extruder), layer_id(layer_id), print_object(print_object), instance_id(instance_id) {}
ObjectByExtruder &object_by_extruder;
// Repository
ObjectByExtruder &object_by_extruder;
// Index into std::vector<LayerToPrint>, which contains Object and Support layers for the current print_z, collected for a single object, or for possibly multiple objects with multiple instances.
const size_t layer_id;
const PrintObject &print_object;
// Instance idx of the copy of a print object.
@ -285,7 +291,8 @@ protected:
};
std::vector<InstanceToPrint> sort_print_object_instances(
std::vector<ObjectByExtruder> &objects_by_extruder,
std::vector<ObjectByExtruder> &objects_by_extruder,
// Object and Support layers for the current print_z, collected for a single object, or for possibly multiple objects with multiple instances.
const std::vector<LayerToPrint> &layers,
// Ordering must be defined for normal (non-sequential print).
const std::vector<std::pair<size_t, size_t>> *ordering,