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LibJS: Cache commonly used FlyStrings in the VM
Roughly 7% of test-js runtime was spent creating FlyStrings from string literals. This patch frontloads that work and caches all the commonly used names in LibJS on a CommonPropertyNames struct that hangs off VM.
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45 changed files with 651 additions and 392 deletions
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@ -30,6 +30,7 @@
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#include <AK/HashMap.h>
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#include <AK/RefCounted.h>
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#include <LibJS/Heap/Heap.h>
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#include <LibJS/Runtime/CommonPropertyNames.h>
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#include <LibJS/Runtime/ErrorTypes.h>
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#include <LibJS/Runtime/Exception.h>
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#include <LibJS/Runtime/MarkedValueList.h>
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@ -223,6 +224,8 @@ public:
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return call(function, this_value);
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}
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CommonPropertyNames names;
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private:
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VM();
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