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@ -163,6 +163,10 @@ class Installer
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*/
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public function run()
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{
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// Disable GC to save CPU cycles, as the dependency solver can create hundreds of thousands
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// of PHP objects, the GC can spend quite some time walking the tree of references looking
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// for stuff to collect while there is nothing to collect. This slows things down dramatically
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// and turning it off results in much better performance. Do not try this at home however.
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gc_collect_cycles();
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gc_disable();
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@ -341,6 +345,11 @@ class Installer
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}
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}
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// re-enable GC except on HHVM which triggers a warning here
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if (!defined('HHVM_VERSION')) {
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gc_enable();
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}
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return 0;
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}
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