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fix deletion of non-evaled arrays with siblings (#1714)

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Awni Hannun 2024-12-18 18:45:36 -08:00 committed by GitHub
parent 49c34c4161
commit 8bae22b0fa
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1 changed files with 13 additions and 1 deletions
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14
mlx/array.cpp
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@ -277,7 +277,19 @@ array::ArrayDesc::~ArrayDesc() {
}
ad.inputs.clear();
for (auto& [_, a] : input_map) {
if (a.array_desc_.use_count() <= a.siblings().size() + 1) {
bool is_deletable =
(a.array_desc_.use_count() <= a.siblings().size() + 1);
// An array with siblings is deletable only if all of its siblings
// are deletable
for (auto& s : a.siblings()) {
if (!is_deletable) {
break;
}
int is_input = (input_map.find(s.id()) != input_map.end());
is_deletable &=
s.array_desc_.use_count() <= a.siblings().size() + is_input;
}
if (is_deletable) {
for_deletion.push_back(std::move(a.array_desc_));
}
}