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i don't think that's true - lua stores sparse arrays efficiently. the table above should only have 2 slots allocated. see [1] or [4] for details on how lua impl
by tkhattra 4y ago
i don't think that's true - lua stores sparse arrays efficiently. the table above should only have 2 slots allocated. see [1] or [4] for details on how lua implements sparse arrays.
[1] https://cacm.acm.org/magazines/2018/11/232214-a-look-at-the-design-of-lua https://cacm.acm.org/magazines/2018/11/232214-a-look-at-the-...
[2] http://www.lua.org/doc/jucs05.pdf http://www.lua.org/doc/jucs05.pdf
- maxdemarzi 4y agoYou are right. This code runs just fine on both of these online Lua websites. local tab = {} tab[938388893] = "hi" tab[987383332] = "Hello" for k,v in pairs(tab) do print(k) print (v) end https://www.lua.org/cgi-bin/demo https://www.lua.org/cgi-bin/demo https://luajit.me/ https://luajit.me/ But when I try it using the Sol library (embedded in C++) it eats all my memory. Is it a Sol issue or a C Lua binding issue? Anybody know?
- tkhattra 4y agosorry, i'm not familiar with Sol. might be worth inquiring on the lua mailing list