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-rw-r--r--lib/stdlib/test/unicode_util_SUITE.erl16
1 files changed, 9 insertions, 7 deletions
diff --git a/lib/stdlib/test/unicode_util_SUITE.erl b/lib/stdlib/test/unicode_util_SUITE.erl
index 03c24c7027..7dba0a2fd0 100644
--- a/lib/stdlib/test/unicode_util_SUITE.erl
+++ b/lib/stdlib/test/unicode_util_SUITE.erl
@@ -29,7 +29,9 @@
get/1,
count/1]).
--export([debug/0, id/1, bin_split/1, uc_loaded_size/0]).
+-export([debug/0, id/1, bin_split/1, uc_loaded_size/0,
+ time_count/4 %% Used by stdlib_bench_SUITE
+ ]).
suite() ->
[{ct_hooks,[ts_install_cth]},
@@ -323,7 +325,7 @@ do_measure(Config) ->
File = DataDir ++ "/NormalizationTest.txt",
{ok, Bin} = file:read_file(File),
Do = fun(Func, Mode) ->
- {N, Mean, Stddev, Res} = time_count(Func, Mode, Bin),
+ {N, Mean, Stddev, Res} = time_count(Func, Mode, Bin, 10),
io:format("~4w ~6w ~.10w ~.6wms ±~.2wms #~.2w~n",
[Func, Mode, Res, Mean div 1000, Stddev div 1000, N])
end,
@@ -345,19 +347,19 @@ uc_loaded_size([_|Rest]) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-time_count(Fun, Mode, Bin) ->
+time_count(Fun, Mode, Bin, Repeat) ->
timer:sleep(100), %% Let emulator catch up and clean things before test runs
Self = self(),
Pid = spawn_link(fun() ->
Str = mode(Mode, Bin),
- Self ! {self(),do_count(0,0,0, Fun, Str, undefined)}
+ Self ! {self(),do_count(0,0,0, Fun, Str, undefined, Repeat)}
end),
receive {Pid,Msg} -> Msg end.
-do_count(N,Sum,SumSq, Fun, Str, _) when N < 10 ->
+do_count(N,Sum,SumSq, Fun, Str, _, Repeat) when N < Repeat ->
{Time, Res} = do_count(Fun, Str),
- do_count(N+1,Sum+Time,SumSq+Time*Time, Fun, Str, Res);
-do_count(N,Sum,SumSq, _, _, Res) ->
+ do_count(N+1,Sum+Time,SumSq+Time*Time, Fun, Str, Res, Repeat);
+do_count(N,Sum,SumSq, _, _, Res, _) ->
Mean = round(Sum / N),
Stdev = round(math:sqrt((SumSq - (Sum*Sum/N))/(N - 1))),
{N, Mean, Stdev, Res}.