erlang各种有用的函数包括一些有用nif封装,还有一些性能测试case。
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-module(utHashBblDs).
-compile([nowarn_unused_function, nowarn_unused_vars, nowarn_export_all]).
-export([start/2]).
start(Num, Pid) when Num =< 65536 ->
Ds = init(Num),
Time1 = erlang:monotonic_time(),
NewDsI = insert(Num, Ds),
Time2 = erlang:monotonic_time(),
NewDsR = read(Num, NewDsI, undefined),
Time3 = erlang:monotonic_time(),
NewDsU = update(Num, NewDsR),
Time4 = erlang:monotonic_time(),
NewDsF = for(Num, NewDsU),
Time5 = erlang:monotonic_time(),
delete(Num, NewDsF),
Time6 = erlang:monotonic_time(),
erlang:send(Pid, {over, self(), Time2 - Time1, Time3 - Time2, Time4 - Time3, Time5 - Time4, not_support, no_size}),
exit(normal);
start(Num, Pid) ->
erlang:send(Pid, {over, self(), skip, skip, skip, skip, skip, no_size}),
exit(normal).
init(Num) ->
utHashBbl:new().
insert(0, Ds) ->
Ds;
insert(Num, Ds) ->
Key = utTestDs:makeK(Num),
Value = utTestDs:makeV(Num),
NewDs = utHashBbl:put(Key, Value, Ds),
insert(Num - 1, NewDs).
read(0, Ds, _V) ->
Ds;
read(Num, Ds, _V) ->
Key = utTestDs:makeK(Num),
Value = utHashBbl:get(Key, Ds),
read(Num - 1, Ds, Value).
update(0, Ds) ->
Ds;
update(Num, Ds) ->
Key = utTestDs:makeK(Num),
Value = utTestDs:makeV2(Num),
NewDs = utHashBbl:put(Key, Value, Ds),
update(Num - 1, NewDs).
for(Num, Ds) ->
Ds.
delete(Num, Ds) ->
ok.