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Reduce attribute accumulation memory consumption (#318)

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* Add a flag to use an H3 index for the feature index

* Give mvt_value and serial_val a double-with-count concept

* Switch mean over to internal accumulation state

* Get rid of the attribute accumulation map

* Change vectors of features to vectors of pointers to features

* Fix --coalesce

* Revert "Add a flag to use an H3 index for the feature index"

This reverts commit b9b48f42c9.

* Update version and changelog
This commit is contained in:
Erica Fischer
2025-01-30 21:58:35 -08:00
committed by GitHub
parent 390c362452
commit 583fc3744a
11 changed files with 243 additions and 232 deletions
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mvt.hpp
+14 -1
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@@ -81,7 +81,8 @@ struct mvt_value;
double mvt_value_to_double(mvt_value const &v);
struct mvt_value {
mvt_value_type type;
long /* mvt_value_type */ type : 5;
long count : 64 - 5;
std::shared_ptr<std::string> s;
union {
@@ -138,6 +139,10 @@ struct mvt_value {
return mvt_value_to_double(*this);
}
size_t get_count() const {
return count;
}
bool operator<(const mvt_value &o) const;
bool operator==(const mvt_value &o) const;
std::string toString() const;
@@ -145,11 +150,19 @@ struct mvt_value {
mvt_value() {
this->type = mvt_double;
this->numeric_value.double_value = 0;
this->count = 0;
}
mvt_value(double v) {
this->type = mvt_double;
this->numeric_value.double_value = v;
this->count = 0;
}
void set_double_count(double v, size_t c) {
this->type = mvt_double;
this->numeric_value.double_value = v;
this->count = c;
}
};