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Fix performance problem in FATE optimiser caused by debug printing

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This commit is contained in:
Ulf Norell 2019-08-23 10:07:43 +02:00
parent 20064b72fa
commit 07cf162703
1 changed files with 19 additions and 3 deletions
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22
src/aeso_fcode_to_fate.erl
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@ -118,9 +118,12 @@
%% -- Debugging --------------------------------------------------------------
debug(Tag, Options, Fmt, Args) ->
is_debug(Tag, Options) ->
Tags = proplists:get_value(debug, Options, []),
case Tags == all orelse lists:member(Tag, Tags) of
Tags == all orelse lists:member(Tag, Tags).
debug(Tag, Options, Fmt, Args) ->
case is_debug(Tag, Options) of
true -> io:format(Fmt, Args);
false -> ok
end.
@ -976,7 +979,12 @@ apply_rules(Fuel, Rules, I, Code, Options) ->
case apply_rules_once(Rules, I, Code) of
false -> [I | Code];
{RName, New, Rest} ->
debug(opt_rules, Options, " Applied ~p:\n~s ==>\n~s\n", [RName, pp_ann(" ", [I | Code]), pp_ann(" ", New ++ Rest)]),
case is_debug(opt_rules, Options) of
true ->
{OldCode, NewCode} = drop_common_suffix([I | Code], New ++ Rest),
debug(opt_rules, Options, " Applied ~p:\n~s ==>\n~s\n", [RName, pp_ann(" ", OldCode), pp_ann(" ", NewCode)]);
false -> ok
end,
lists:foldr(Cons, Rest, New)
end.
@ -1556,3 +1564,11 @@ set_labels(_, I) -> I.
with_ixs(Xs) ->
lists:zip(lists:seq(0, length(Xs) - 1), Xs).
drop_common_suffix(Xs, Ys) ->
drop_common_suffix_r(lists:reverse(Xs), lists:reverse(Ys)).
drop_common_suffix_r([X | Xs], [X | Ys]) ->
drop_common_suffix_r(Xs, Ys);
drop_common_suffix_r(Xs, Ys) ->
{lists:reverse(Xs), lists:reverse(Ys)}.