From f9a3728566668a6ad54067fe347ab9055d351b7a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= Date: Tue, 10 Nov 2015 16:27:53 +0100 Subject: v3_kernel: Speed up compilation of modules with many funs Using a map to store the number of free variables for funs instead of an orddict will speed up the v3_kernel pass for modules with a huge number of funs (such as NBAP-PDU-Contents in the asn1 test suite). --- lib/compiler/src/v3_kernel.erl | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) (limited to 'lib/compiler/src') diff --git a/lib/compiler/src/v3_kernel.erl b/lib/compiler/src/v3_kernel.erl index 7ee564683b..011748df3a 100644 --- a/lib/compiler/src/v3_kernel.erl +++ b/lib/compiler/src/v3_kernel.erl @@ -117,7 +117,7 @@ copy_anno(Kdst, Ksrc) -> fcount=0, %Fun counter ds=cerl_sets:new() :: cerl_sets:set(), %Defined variables funs=[], %Fun functions - free=[], %Free variables + free=#{}, %Free variables ws=[] :: [warning()], %Warnings. guard_refc=0}). %> 0 means in guard @@ -1837,14 +1837,17 @@ handle_reuse_anno_1(V, _St) -> V. %% get_free(Name, Arity, State) -> [Free]. %% store_free(Name, Arity, [Free], State) -> State. -get_free(F, A, St) -> - case orddict:find({F,A}, St#kern.free) of - {ok,Val} -> Val; - error -> [] +get_free(F, A, #kern{free=FreeMap}) -> + Key = {F,A}, + case FreeMap of + #{Key:=Val} -> Val; + _ -> [] end. -store_free(F, A, Free, St) -> - St#kern{free=orddict:store({F,A}, Free, St#kern.free)}. +store_free(F, A, Free, #kern{free=FreeMap0}=St) -> + Key = {F,A}, + FreeMap = FreeMap0#{Key=>Free}, + St#kern{free=FreeMap}. break_rets({break,Rs}) -> Rs; break_rets(return) -> []. -- cgit v1.2.3