Use a single execution context per wasm interface (per thread) instead of per contract #19
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Change Description
A part of eosnetworkfoundation/product#149.
Currently an execution context is created in a
backend
object for each contract, and cached (inside the backend) inwasm_instantiation_cache
in the wasm interface object per thread. This wastes physical memory and prevents a single compiled WASM contract code shared across threads.This PR provides an option to decouple execution context from backend, while keeps the existing behavior for backward compatibility.
Resolves AntelopeIO/leap#1456.
API Changes
Documentation Additions