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perf: reuse interpreter caches a bit more

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This commit is contained in:
Sebastian Ullrich 2020-12-17 19:37:31 +01:00
parent 22bb2fbd06
commit dcfef05c8e
1 changed files with 12 additions and 4 deletions
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16
src/library/compiler/ir_interpreter.cpp
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@ -365,10 +365,18 @@ public:
flet<environment const *> fl1(interp.m_env, &env);
flet<options const *> fl2(interp.m_opts, &opts);
flet<bool> fl3(interp.m_prefer_native, opts.get_bool(*g_interpreter_prefer_native, LEAN_DEFAULT_INTERPRETER_PREFER_NATIVE));
// both these caches contain data from the Environment, so we cannot reuse them when changing it
flet<name_map<constant_cache_entry>> fl4(interp.m_constant_cache, {});
flet<name_map<symbol_cache_entry>> fl5(interp.m_symbol_cache, {});
return f(interp);
if (interp.m_env) {
// both these caches contain data from the Environment, so we cannot reuse them when changing it
flet<name_map<constant_cache_entry>> fl4(interp.m_constant_cache, {});
flet<name_map<symbol_cache_entry>> fl5(interp.m_symbol_cache, {});
return f(interp);
} else {
// if there is no outer interpreter, might as well leave the caches around; maybe the next call is for
// the same Environment
interp.m_constant_cache = {};
interp.m_symbol_cache = {};
return f(interp);
}
}
}