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Limitation ‣ Number of concurrent function pointers in WebAssembly

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Chung Leong edited this page Jul 18, 2026 · 4 revisions

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When multithreaded is set, there can only be 16 active instances of each type of function pointer. This limitation is due to the lack of shared tables in WebAssembly 1.0. There's no means to increase the number of function references across all WebAssembly VMs.

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