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by mascarenhas
5988 days ago
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Lua numbers are not boxed in the usual sense; they live in the Lua data stack (which leaves in the C heap, but this is not isomorphic to the Lua heap), are not accessed through a pointer, and do not put pressure on Lua's memory allocator and garbage collector. LuaJIT 2's NaN tagging alone does not speed up the stock interpreter: http://article.gmane.org/gmane.comp.lang.lua.general/44823. |
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