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zhongwencool/test.erl

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test.erl
-module(test).
-compile(export_all).
%% API
run_all_sorted_sublist(List, Num) ->
lists:sublist(lists:sort(
fun({_,A,_},{_,B,_}) -> A > B end,
List), Num).
run_gb_trees(List, Num) ->
run_gb_trees(List, Num, gb_trees:empty()).
run_gb_trees([], _Num, Acc) ->
lists:foldl(fun({Key1, Key2, Key3}, Sum) -> [{Key2, Key1, Key3}|Sum] end, [], gb_trees:keys(Acc));
run_gb_trees([{Key1, Key2, Key3}|List], Num, Acc) ->
NewKey = {Key2, Key1, Key3},
NewAcc =
case gb_trees:size(Acc) < Num of
true ->
gb_trees:insert(NewKey, 0, Acc);
false ->
{Smallest,_} = gb_trees:smallest(Acc),
case Smallest < NewKey of
true ->
Acc2 = gb_trees:delete(Smallest, Acc),
gb_trees:insert(NewKey, 0, Acc2);
false ->
Acc
end
end,
run_gb_trees(List, Num, NewAcc).
run_small_to_big_order_list(List, Num) ->
run_small_to_big_order_list(List, Num, 0, []).
run_small_to_big_order_list([], _Num, _, Acc) ->
lists:foldl(fun({Key1, Key2, Key3}, Sum) -> [{Key2, Key1, Key3}|Sum] end, [], Acc);
run_small_to_big_order_list([{Key1, Key2, Key3}|List], Num, Len, Acc) ->
NewKey = {Key2, Key1, Key3},
{NewLen, NewAcc} =
case Len < Num of
true ->
{Len + 1, lists:sort([NewKey|Acc])};
false ->
[Smallest|Acc2] = Acc,
case Smallest < NewKey of
true ->
{Len, lists:sort([NewKey|Acc2])};
false ->
{Len, Acc}
end
end,
run_small_to_big_order_list(List, Num, NewLen, NewAcc).
run_small_to_big_order_list_v2(List, Num) ->
run_small_to_big_order_list_v2(List, Num, fun({_, X, _}, {_, Y, _}) -> X =< Y end, 0, []).
run_small_to_big_order_list_v2([], _, _, _, Acc) ->
lists:reverse(Acc);
run_small_to_big_order_list_v2([NewKey|List], Num, Fun, Len, Acc) ->
{NewLen, NewAcc} =
if Len < Num -> {Len + 1, insert(NewKey, Acc, Fun)};
true ->
[Smallest|Acc2] = Acc,
case Fun(Smallest,NewKey) of
true -> {Len, insert(NewKey, Acc2, Fun)};
false -> {Len, Acc}
end
end,
run_small_to_big_order_list_v2(List, Num, Fun, NewLen, NewAcc).
insert(K, [], _) -> [K];
insert(K, [H|T], Fun) ->
case Fun(K, H) of
true -> [K, H|T];
false -> [H|insert(K, T, Fun)]
end.
run_big_to_small_order_list(List, Num) ->
run_big_to_small_order_list(List, Num, 0, []).
run_big_to_small_order_list([], _Num, _, Acc) ->
Acc;
run_big_to_small_order_list([Key|List], Num, Len, Acc) ->
{NewLen, NewAcc} =
case Len < Num of
true ->
{Len + 1, lists:sort(fun({_X1, Y1, _Z1},{_X2, Y2, _Z2}) -> Y1 > Y2 end, [Key|Acc])};
false ->
Smallest = lists:last(Acc),
case Smallest < Key of
true ->
Acc2 = lists:sublist(Acc, Len - 1),
{Len, lists:sort(fun({_X1, Y1, _Z1},{_X2, Y2, _Z2}) -> Y1 > Y2 end, [Key|Acc2])};
false ->
{Len, Acc}
end
end,
run_big_to_small_order_list(List, Num, NewLen, NewAcc).
test() ->
List1 = [{5000, 20}, {5000, 30}, {5000, 40}, {5000, 50}, {5000, 60}, {5000, 70}],
List2 = [{10000, 20}, {10000, 30}, {10000, 40}, {10000, 50}, {10000, 60}, {10000, 70}],
List3 = [{15000, 20}, {15000, 30}, {15000, 40}, {15000, 50}, {15000, 60}, {15000, 70}],
List4 = [{20000, 20}, {20000, 30}, {20000, 40}, {20000, 50}, {20000, 60}, {20000, 70}],
List5 = [{25000, 20}, {25000, 30}, {25000, 40}, {25000, 50}, {25000, 60}, {25000, 70}],
Result1 = lists:map(fun({TotalNum1, TopNum1}) -> test(TotalNum1, TopNum1) end, List1),
Result2 = lists:map(fun({TotalNum2, TopNum2}) -> test(TotalNum2, TopNum2) end, List2),
Result3 = lists:map(fun({TotalNum3, TopNum3}) -> test(TotalNum3, TopNum3) end, List3),
Result4 = lists:map(fun({TotalNum4, TopNum4}) -> test(TotalNum4, TopNum4) end, List4),
Result5 = lists:map(fun({TotalNum5, TopNum5}) -> test(TotalNum5, TopNum5) end, List5),
io:format("~p~n", [Result1]),
io:format("~p~n", [Result2]),
io:format("~p~n", [Result3]),
io:format("~p~n", [Result4]),
io:format("~p~n", [Result5]),
ok.
%% Test
test(TotalNum, TopNum) ->
erlang:process_flag(trap_exit, true),
List = prepared_random_list(TotalNum),
%io:format("~p~n", [List]),
Fun1 = fun() -> {Time, Result} = timer:tc(?MODULE, run_all_sorted_sublist, [List, TopNum]), exit({all_sorted_sublist_____, Time, Result}) end,
Fun2 = fun() -> {Time, Result} = timer:tc(?MODULE, run_gb_trees, [List, TopNum]), exit({gb_tree________________, Time, Result}) end,
Fun3 = fun() -> {Time, Result} = timer:tc(?MODULE, run_small_to_big_order_list, [List, TopNum]), exit({small_to_big_order_list, Time, Result}) end,
Fun4 = fun() -> {Time, Result} = timer:tc(?MODULE, run_big_to_small_order_list, [List, TopNum]), exit({big_to_small_order_list, Time, Result}) end,
Fun5 = fun() -> {Time, Result} = timer:tc(?MODULE, run_small_to_big_order_list_v2, [List, TopNum]), exit({small_to_big_order_list_v2, Time, Result}) end,
spawn_link(Fun1),
spawn_link(Fun2),
spawn_link(Fun3),
spawn_link(Fun4),
spawn_link(Fun5),
{Type1, Time1, Res1} = receive {'EXIT', _Pid1, R1} -> R1 end,
{Type2, Time2, Res2} = receive {'EXIT', _Pid2, R2} -> R2 end,
{Type3, Time3, Res3} = receive {'EXIT', _Pid3, R3} -> R3 end,
{Type4, Time4, Res4} = receive {'EXIT', _Pid4, R4} -> R4 end,
{Type5, Time5, Res5} = receive {'EXIT', _Pid5, R5} -> R5 end,
Res1 = Res2 = Res3 = Res4 = Res5,
{{TotalNum, TopNum}, [{Type1, Time1, 100},
{Type2, Time2, Time2/Time1*100},
{Type3, Time3, Time3/Time1*100},
{Type4, Time4, Time4/Time1*100},
{Type5, Time5, Time5/Time1*100}]}.
prepared_random_list(TotalNum) ->
List = lists:seq(1,TotalNum),
List1 = shuffle(List),
lists:map(fun(Num) -> {Num, Num+1, Num+3} end, List1).
% Fisher-Yates shuffle
shuffle(List) -> shuffle(List, []).
shuffle([], Acc) -> Acc;
shuffle(List, Acc) ->
{Leading, [H | T]} = lists:split(random:uniform(length(List)) - 1, List),
shuffle(Leading ++ T, [H | Acc]).
@zhongwencool
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Author

zhongwencool commented Jul 8, 2016 •
edited
Loading 

Erlang/OTP 18 [erts-7.3] [source] [64-bit] [smp:4:4] [async-threads:10] [hipe] [kernel-poll:false] [dtrace]

Eshell V7.3  (abort with ^G)
1> test:test().
[{{5000,20},
  [{small_to_big_order_list,1926,100},
   {big_to_small_order_list,2103,109.19003115264798},
   {gb_tree________________,2711,140.75804776739355},
   {all_sorted_sublist_____,5354,277.9854620976116}]},
 {{5000,30},
  [{gb_tree________________,3445,100},
   {small_to_big_order_list,3474,100.84179970972424},
   {big_to_small_order_list,4794,139.15820029027577},
   {all_sorted_sublist_____,5842,169.5791001451379}]},
 {{5000,40},
  [{gb_tree________________,1568,100},
   {small_to_big_order_list,2709,172.76785714285714},
   {all_sorted_sublist_____,5419,345.5994897959184},
   {big_to_small_order_list,5345,340.8801020408163}]},
 {{5000,50},
  [{gb_tree________________,3890,100},
   {all_sorted_sublist_____,5286,135.88688946015424},
   {small_to_big_order_list,5696,146.426735218509},
   {big_to_small_order_list,8377,215.34704370179946}]},
 {{5000,60},
  [{gb_tree________________,4229,100},
   {all_sorted_sublist_____,6913,163.46654055332232},
   {small_to_big_order_list,8009,189.3828328209979},
   {big_to_small_order_list,11452,270.7968786947269}]},
 {{5000,70},
  [{gb_tree________________,4377,100},
   {all_sorted_sublist_____,6045,138.1082933516107},
   {small_to_big_order_list,7420,169.52250399817225},
   {big_to_small_order_list,12029,274.82293808544665}]}]
[{{10000,20},
  [{small_to_big_order_list,3136,100},
   {gb_tree________________,4392,140.05102040816325},
   {big_to_small_order_list,4355,138.87117346938774},
   {all_sorted_sublist_____,11899,379.4323979591837}]},
 {{10000,30},
  [{gb_tree________________,2175,100},
   {small_to_big_order_list,4102,188.5977011494253},
   {big_to_small_order_list,6674,306.85057471264366},
   {all_sorted_sublist_____,11747,540.0919540229885}]},
 {{10000,40},
  [{gb_tree________________,4867,100},
   {small_to_big_order_list,5473,112.45120197246763},
   {big_to_small_order_list,8429,173.186768029587},
   {all_sorted_sublist_____,12036,247.29813026505033}]},
 {{10000,50},
  [{gb_tree________________,5760,100},
   {small_to_big_order_list,5727,99.42708333333333},
   {big_to_small_order_list,11253,195.36458333333334},
   {all_sorted_sublist_____,11948,207.43055555555557}]},
 {{10000,60},
  [{gb_tree________________,11602,100},
   {all_sorted_sublist_____,12606,108.65368039993103},
   {big_to_small_order_list,13672,117.8417514221686},
   {small_to_big_order_list,14567,125.55593863127048}]},
 {{10000,70},
  [{gb_tree________________,6640,100},
   {small_to_big_order_list,14450,217.62048192771087},
   {all_sorted_sublist_____,17410,262.19879518072287},
   {big_to_small_order_list,21051,317.03313253012044}]}]
[{{15000,20},
  [{small_to_big_order_list,3571,100},
   {gb_tree________________,4627,129.5715485858303},
   {big_to_small_order_list,6435,180.2016241949034},
   {all_sorted_sublist_____,15556,435.620274432932}]},
 {{15000,30},
  [{gb_tree________________,4951,100},
   {small_to_big_order_list,5421,109.4930317107655},
   {big_to_small_order_list,8582,173.33871945061603},
   {all_sorted_sublist_____,15941,321.9753585134316}]},
 {{15000,40},
  [{gb_tree________________,6043,100},
   {small_to_big_order_list,7682,127.12229025318551},
   {big_to_small_order_list,12262,202.91246069832863},
   {all_sorted_sublist_____,16561,274.0526228694357}]},
 {{15000,50},
  [{gb_tree________________,5582,100},
   {small_to_big_order_list,6090,109.10068075958436},
   {big_to_small_order_list,15728,281.76280902902187},
   {all_sorted_sublist_____,17006,304.65782873522033}]},
 {{15000,60},
  [{gb_tree________________,3894,100},
   {small_to_big_order_list,11591,297.66307139188496},
   {all_sorted_sublist_____,17805,457.2419106317412},
   {big_to_small_order_list,20269,520.5187467899332}]},
 {{15000,70},
  [{gb_tree________________,3787,100},
   {small_to_big_order_list,12869,339.82043834169525},
   {big_to_small_order_list,19274,508.95167678901504},
   {all_sorted_sublist_____,20123,531.3704779508846}]}]
[{{20000,20},
  [{small_to_big_order_list,5057,100},
   {big_to_small_order_list,7673,151.73027486652165},
   {gb_tree________________,8086,159.89717223650385},
   {all_sorted_sublist_____,24848,491.3585129523433}]},
 {{20000,30},
  [{small_to_big_order_list,6431,100},
   {gb_tree________________,8343,129.73099051469447},
   {big_to_small_order_list,11700,181.93127040895664},
   {all_sorted_sublist_____,25169,391.36992691649823}]},
 {{20000,40},
  [{small_to_big_order_list,8167,100},
   {gb_tree________________,8887,108.81596669523692},
   {big_to_small_order_list,13650,167.13603526386677},
   {all_sorted_sublist_____,26329,322.38275988735154}]},
 {{20000,50},
  [{gb_tree________________,9270,100},
   {small_to_big_order_list,9533,102.8371089536138},
   {big_to_small_order_list,17693,190.86299892125135},
   {all_sorted_sublist_____,24900,268.60841423948216}]},
 {{20000,60},
  [{gb_tree________________,9380,100},
   {small_to_big_order_list,11035,117.64392324093818},
   {big_to_small_order_list,20907,222.88912579957355},
   {all_sorted_sublist_____,25278,269.4882729211087}]},
 {{20000,70},
  [{gb_tree________________,12328,100},
   {small_to_big_order_list,12956,105.09409474367295},
   {all_sorted_sublist_____,26595,215.7284231018819},
   {big_to_small_order_list,26636,216.06099935107073}]}]
[{{25000,20},
  [{small_to_big_order_list,5546,100},
   {gb_tree________________,8263,148.99026325279482},
   {big_to_small_order_list,9284,167.39992787594662},
   {all_sorted_sublist_____,29540,532.6361341507393}]},
 {{25000,30},
  [{small_to_big_order_list,8797,100},
   {gb_tree________________,10939,124.3492099579402},
   {big_to_small_order_list,13832,157.23542116630668},
   {all_sorted_sublist_____,29091,330.6922814595885}]},
 {{25000,40},
  [{small_to_big_order_list,11120,100},
   {gb_tree________________,11310,101.70863309352518},
   {big_to_small_order_list,17531,157.65287769784175},
   {all_sorted_sublist_____,30368,273.0935251798561}]},
 {{25000,50},
  [{gb_tree________________,11446,100},
   {small_to_big_order_list,13602,118.8362746811113},
   {big_to_small_order_list,22027,192.44277476847807},
   {all_sorted_sublist_____,31352,273.9122837672549}]},
 {{25000,60},
  [{gb_tree________________,12257,100},
   {small_to_big_order_list,16627,135.65309618993228},
   {big_to_small_order_list,23559,192.20853389899648},
   {all_sorted_sublist_____,33897,276.5521742677654}]},
 {{25000,70},
  [{gb_tree________________,12425,100},
   {small_to_big_order_list,22760,183.1790744466801},
   {big_to_small_order_list,31263,251.61368209255534},
   {all_sorted_sublist_____,33760,271.7102615694165}]}]
ok

@zhongwencool
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zhongwencool commented Jul 13, 2016 •
edited
Loading 

Erlang/OTP 18 [erts-7.3] [source] [64-bit] [smp:4:4] [async-threads:10] [hipe] [kernel-poll:false] [dtrace]

Eshell V7.3  (abort with ^G)
1> test:test().
[{{5000,20},
  [{small_to_big_order_list_v2,758,100},
   {small_to_big_order_list,1761,232.32189973614777},
   {gb_tree________________,2424,319.78891820580475},
   {big_to_small_order_list,2940,387.8627968337731},
   {all_sorted_sublist_____,5854,772.2955145118734}]},
 {{5000,30},
  [{small_to_big_order_list_v2,1170,100},
   {gb_tree________________,3091,264.1880341880342},
   {small_to_big_order_list,3515,300.4273504273504},
   {big_to_small_order_list,3849,328.97435897435895},
   {all_sorted_sublist_____,6419,548.6324786324786}]},
 {{5000,40},
  [{small_to_big_order_list_v2,1742,100},
   {gb_tree________________,3172,182.08955223880596},
   {small_to_big_order_list,4886,280.4822043628014},
   {big_to_small_order_list,5322,305.5109070034443},
   {all_sorted_sublist_____,7211,413.9494833524684}]},
 {{5000,50},
  [{small_to_big_order_list_v2,1557,100},
   {gb_tree________________,2974,191.00834938985227},
   {small_to_big_order_list,4879,313.35902376364805},
   {all_sorted_sublist_____,7672,492.74245343609505},
   {big_to_small_order_list,7801,501.0276172125883}]},
 {{5000,60},
  [{small_to_big_order_list_v2,2172,100},
   {gb_tree________________,3715,171.04051565377532},
   {all_sorted_sublist_____,6481,298.3885819521179},
   {small_to_big_order_list,7384,339.96316758747696},
   {big_to_small_order_list,9878,454.78821362799266}]},
 {{5000,70},
  [{small_to_big_order_list_v2,2233,100},
   {gb_tree________________,5012,224.45141065830722},
   {all_sorted_sublist_____,6919,309.85221674876846},
   {small_to_big_order_list,7664,343.21540528437083},
   {big_to_small_order_list,13464,602.9556650246305}]}]
[{{10000,20},
  [{small_to_big_order_list_v2,1608,100},
   {small_to_big_order_list,3337,207.52487562189054},
   {gb_tree________________,4395,273.32089552238807},
   {big_to_small_order_list,5116,318.1592039800995},
   {all_sorted_sublist_____,12289,764.2412935323383}]},
 {{10000,30},
  [{small_to_big_order_list_v2,1088,100},
   {gb_tree________________,5734,527.0220588235294},
   {small_to_big_order_list,6112,561.7647058823529},
   {big_to_small_order_list,7733,710.7536764705882},
   {all_sorted_sublist_____,13049,1199.3566176470588}]},
 {{10000,40},
  [{small_to_big_order_list_v2,2551,100},
   {gb_tree________________,5701,223.4809878479028},
   {small_to_big_order_list,6609,259.0748725989808},
   {big_to_small_order_list,8268,324.10819286554295},
   {all_sorted_sublist_____,14159,555.0372402979224}]},
 {{10000,50},
  [{small_to_big_order_list_v2,1286,100},
   {gb_tree________________,4833,375.81648522550546},
   {small_to_big_order_list,8009,622.7838258164852},
   {all_sorted_sublist_____,11928,927.5272161741835},
   {big_to_small_order_list,12485,970.8398133748055}]},
 {{10000,60},
  [{small_to_big_order_list_v2,3054,100},
   {gb_tree________________,6690,219.05697445972496},
   {small_to_big_order_list,10170,333.0058939096267},
   {all_sorted_sublist_____,15475,506.71250818598554},
   {big_to_small_order_list,15560,509.4957432874918}]},
 {{10000,70},
  [{small_to_big_order_list_v2,3692,100},
   {gb_tree________________,6977,188.97616468039},
   {small_to_big_order_list,14226,385.3196099674973},
   {all_sorted_sublist_____,16745,453.5482123510293},
   {big_to_small_order_list,16955,459.2361863488624}]}]
[{{15000,20},
  [{small_to_big_order_list_v2,1763,100},
   {small_to_big_order_list,4362,247.41917186613725},
   {gb_tree________________,7179,407.2036301758367},
   {big_to_small_order_list,7960,451.5031196823596},
   {all_sorted_sublist_____,16597,941.4066931366989}]},
 {{15000,30},
  [{small_to_big_order_list_v2,3800,100},
   {small_to_big_order_list,4698,123.63157894736842},
   {gb_tree________________,5950,156.57894736842107},
   {big_to_small_order_list,8071,212.39473684210526},
   {all_sorted_sublist_____,17902,471.1052631578947}]},
 {{15000,40},
  [{small_to_big_order_list_v2,2043,100},
   {gb_tree________________,6750,330.3964757709251},
   {small_to_big_order_list,7833,383.4067547723935},
   {big_to_small_order_list,12220,598.1399902104748},
   {all_sorted_sublist_____,17744,868.5266764561918}]},
 {{15000,50},
  [{small_to_big_order_list_v2,2883,100},
   {gb_tree________________,8010,277.8355879292404},
   {small_to_big_order_list,9545,331.07873742629204},
   {big_to_small_order_list,16735,580.4717308359347},
   {all_sorted_sublist_____,19682,682.6916406520985}]},
 {{15000,60},
  [{small_to_big_order_list_v2,3357,100},
   {gb_tree________________,8066,240.27405421507297},
   {small_to_big_order_list,13143,391.5102770330652},
   {all_sorted_sublist_____,18146,540.5421507298182},
   {big_to_small_order_list,19475,580.1310694072088}]},
 {{15000,70},
  [{small_to_big_order_list_v2,4992,100},
   {gb_tree________________,9397,188.2411858974359},
   {small_to_big_order_list,16426,329.04647435897436},
   {all_sorted_sublist_____,19218,384.97596153846155},
   {big_to_small_order_list,24281,486.3982371794871}]}]
[{{20000,20},
  [{small_to_big_order_list_v2,4207,100},
   {small_to_big_order_list,4983,118.44544806275255},
   {gb_tree________________,11517,273.75802234371287},
   {big_to_small_order_list,12201,290.0166389351082},
   {all_sorted_sublist_____,29060,690.7535060613264}]},
 {{20000,30},
  [{small_to_big_order_list,4041,100},
   {small_to_big_order_list_v2,3980,98.49047265528334},
   {gb_tree________________,8875,219.6238554813165},
   {big_to_small_order_list,12245,303.0190546894333},
   {all_sorted_sublist_____,27483,680.1039346696363}]},
 {{20000,40},
  [{small_to_big_order_list_v2,4440,100},
   {small_to_big_order_list,6943,156.37387387387386},
   {gb_tree________________,8804,198.28828828828827},
   {big_to_small_order_list,14217,320.2027027027027},
   {all_sorted_sublist_____,29611,666.9144144144144}]},
 {{20000,50},
  [{small_to_big_order_list_v2,5116,100},
   {small_to_big_order_list,8665,169.37060203283815},
   {gb_tree________________,9012,176.1532447224394},
   {big_to_small_order_list,18147,354.71071149335415},
   {all_sorted_sublist_____,28383,554.7888975762314}]},
 {{20000,60},
  [{small_to_big_order_list_v2,4166,100},
   {small_to_big_order_list,6609,158.64138262121938},
   {gb_tree________________,9492,227.84445511281803},
   {big_to_small_order_list,24312,583.5813730196832},
   {all_sorted_sublist_____,26485,635.7417186749881}]},
 {{20000,70},
  [{small_to_big_order_list_v2,6121,100},
   {gb_tree________________,9748,159.2550236889397},
   {small_to_big_order_list,12749,208.2829603006045},
   {big_to_small_order_list,25637,418.8367913739585},
   {all_sorted_sublist_____,29594,483.48309099820295}]}]
[{{25000,20},
  [{small_to_big_order_list_v2,3705,100},
   {small_to_big_order_list,6222,167.93522267206478},
   {big_to_small_order_list,8403,226.80161943319837},
   {gb_tree________________,9653,260.53981106612684},
   {all_sorted_sublist_____,29793,804.1295546558704}]},
 {{25000,30},
  [{small_to_big_order_list_v2,4168,100},
   {small_to_big_order_list,9710,232.9654510556622},
   {gb_tree________________,10825,259.7168905950096},
   {big_to_small_order_list,13461,322.96065259117086},
   {all_sorted_sublist_____,32312,775.2399232245681}]},
 {{25000,40},
  [{small_to_big_order_list_v2,4463,100},
   {small_to_big_order_list,9010,201.8821420569124},
   {gb_tree________________,11527,258.27918440510865},
   {big_to_small_order_list,16557,370.9836432892673},
   {all_sorted_sublist_____,32938,738.023750840242}]},
 {{25000,50},
  [{small_to_big_order_list_v2,4671,100},
   {small_to_big_order_list,10433,223.35688289445517},
   {gb_tree________________,12386,265.1680582316421},
   {big_to_small_order_list,19632,420.29543994861916},
   {all_sorted_sublist_____,34087,729.7580817812031}]},
 {{25000,60},
  [{small_to_big_order_list_v2,5055,100},
   {small_to_big_order_list,13742,271.84965380811076},
   {gb_tree________________,15670,309.9901088031652},
   {big_to_small_order_list,24388,482.45301681503463},
   {all_sorted_sublist_____,35236,697.0524233432245}]},
 {{25000,70},
  [{small_to_big_order_list_v2,6819,100},
   {gb_tree________________,15398,225.81023610500074},
   {small_to_big_order_list,18309,268.4997800263969},
   {big_to_small_order_list,29194,428.12729139169966},
   {all_sorted_sublist_____,37889,555.63865669453}]}]
ok

@pichi
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pichi commented Jul 25, 2016 •
edited
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The benchmark is flawed in a way that runs test concurrently. It means they interfere with themselves. For example, if some of them use more operations which make more work and use less reduction it will have an unfair advantage over other in this benchmark.

@pichi
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pichi commented Jul 25, 2016

Pairing heap implementation is significantly faster (up to four times but typically two times). See

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