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authorHans Bolinder <[email protected]>2017-01-30 15:37:31 +0100
committerHans Bolinder <[email protected]>2017-02-03 08:58:01 +0100
commitd8daf680e803b97869dcffe84798f728fc4918a6 (patch)
tree127de8df4c1f7099c11a81b9576f9a020b4c4653 /lib/dialyzer/src
parentc2a3a1cdf56009630532805f9bed830e2041427d (diff)
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dialyzer: Attempt to reduce memory consumption
The 'deps' field is reset when no longer used, which could possibly save some memory.
Diffstat (limited to 'lib/dialyzer/src')
-rw-r--r--lib/dialyzer/src/dialyzer_typesig.erl58
1 files changed, 39 insertions, 19 deletions
diff --git a/lib/dialyzer/src/dialyzer_typesig.erl b/lib/dialyzer/src/dialyzer_typesig.erl
index 46cc17a230..76c1bfb774 100644
--- a/lib/dialyzer/src/dialyzer_typesig.erl
+++ b/lib/dialyzer/src/dialyzer_typesig.erl
@@ -81,7 +81,7 @@
-record(constraint_list, {type :: 'conj' | 'disj',
list :: [constr()],
deps :: deps(),
- masks = maps:new() :: #{dep() => mask()},
+ masks :: #{dep() => mask()} | 'undefined',
id :: {'list', dep()} | 'undefined'}).
-type constraint_list() :: #constraint_list{}.
@@ -181,7 +181,6 @@ analyze_scc(SCC, NextLabel, CallGraph, CServer, Plt, PropTypes, Solvers0) ->
M <- lists:usort([M || {M, _, _} <- SCC])],
State2 = traverse_scc(SCC, CServer, DefSet, ModRecs, State1),
State3 = state__finalize(State2),
- erlang:garbage_collect(),
Funs = state__scc(State3),
pp_constrs_scc(Funs, State3),
constraints_to_dot_scc(Funs, State3),
@@ -3208,7 +3207,8 @@ order_fun_constraints(State) ->
order_fun_constraints([#constraint_ref{id = Id}|Tail], State) ->
Cs = state__get_cs(Id, State),
- {[NewCs], State1} = order_fun_constraints([Cs], [], [], State),
+ {[Cs1], State1} = order_fun_constraints([Cs], [], [], State),
+ NewCs = Cs1#constraint_list{deps = Cs#constraint_list.deps},
NewState = state__store_constrs(Id, NewCs, State1),
order_fun_constraints(Tail, NewState);
order_fun_constraints([], State) ->
@@ -3216,23 +3216,31 @@ order_fun_constraints([], State) ->
order_fun_constraints([#constraint_ref{} = C|Tail], Funs, Acc, State) ->
order_fun_constraints(Tail, [C|Funs], Acc, State);
-order_fun_constraints([#constraint_list{list = List, type = Type} = C|Tail],
+order_fun_constraints([#constraint_list{list = List,
+ type = Type,
+ masks = OldMasks} = C|Tail],
Funs, Acc, State) ->
- {NewList, NewState} =
- case Type of
- conj -> order_fun_constraints(List, [], [], State);
- disj ->
- FoldFun = fun(X, AccState) ->
- {[NewX], NewAccState} =
- order_fun_constraints([X], [], [], AccState),
- {NewX, NewAccState}
- end,
- lists:mapfoldl(FoldFun, State, List)
- end,
- C1 = update_constraint_list(C, NewList),
- Masks = calculate_masks(NewList, 1, []),
- NewAcc = [update_masks(C1, Masks)|Acc],
- order_fun_constraints(Tail, Funs, NewAcc, NewState);
+ case OldMasks of
+ undefined ->
+ {NewList, NewState} =
+ case Type of
+ conj -> order_fun_constraints(List, [], [], State);
+ disj ->
+ FoldFun = fun(X, AccState) ->
+ {[NewX], NewAccState} =
+ order_fun_constraints([X], [], [], AccState),
+ {NewX, NewAccState}
+ end,
+ lists:mapfoldl(FoldFun, State, List)
+ end,
+ NewList2 = reset_deps(NewList, State),
+ C1 = update_constraint_list(C, NewList2),
+ Masks = calculate_masks(NewList, 1, []),
+ NewAcc = [update_masks(C1, Masks)|Acc],
+ order_fun_constraints(Tail, Funs, NewAcc, NewState);
+ M when is_map(M) ->
+ order_fun_constraints(Tail, Funs, [C|Acc], State)
+ end;
order_fun_constraints([#constraint{} = C|Tail], Funs, Acc, State) ->
order_fun_constraints(Tail, Funs, [C|Acc], State);
order_fun_constraints([], Funs, Acc, State) ->
@@ -3242,6 +3250,18 @@ order_fun_constraints([], Funs, Acc, State) ->
update_masks(C, Masks) ->
C#constraint_list{masks = Masks}.
+reset_deps(ConstrList, #state{solvers = Solvers}) ->
+ case lists:member(v1, Solvers) of
+ true ->
+ ConstrList;
+ false ->
+ [reset_deps(Constr) || Constr <- ConstrList]
+ end.
+
+reset_deps(#constraint{}=C) -> C#constraint{deps = []};
+reset_deps(#constraint_list{}=C) -> C#constraint_list{deps = []};
+reset_deps(#constraint_ref{}=C) -> C#constraint_ref{deps = []}.
+
calculate_masks([C|Cs], I, L0) ->
calculate_masks(Cs, I+1, [{V, I} || V <- get_deps(C)] ++ L0);
calculate_masks([], _I, L) ->