ip2region_private/binding/erlang/src/xdb_benchmark.erl

131 lines
4.2 KiB
Erlang

%%%-------------------------------------------------------------------
%% Copyright 2022 The Ip2Region Authors. All rights reserved.
%% Use of this source code is governed by a Apache2.0-style
%% license that can be found in the LICENSE file.
%%
%% @doc
%% ip2region xdb client benchmark test
%% @end
%%%-------------------------------------------------------------------
-module(xdb_benchmark).
-export([main/1]).
main(DataFile) ->
%% Keep benchmark output clean while still surfacing real errors.
_ = logger:set_handler_config(default, level, error),
_ = logger:set_primary_config(level, error),
{ok, _} = application:ensure_all_started(ip2region),
show_hw_sw_info(),
IpList = load_test_data(DataFile),
run(IpList).
show_hw_sw_info() ->
{Model, Clock, Cores, Threads} = cpu_info(),
io:format("~nSystem:~n", []),
io:format(" CPU : ~s", [Model]),
case Clock of
"" -> io:format("~n", []);
_ -> io:format(" @ ~s~n", [Clock])
end,
io:format(" Cores : ~s cores / ~s threads~n", [Cores, Threads]),
io:format(" Erlang : ~s~n", [string:trim(erlang:system_info(system_version))]),
ok.
cpu_info() ->
case os:type() of
{unix, darwin} ->
Model = sysctl("machdep.cpu.brand_string"),
Clock = first_non_empty([
format_clock(sysctl("hw.cpufrequency")),
format_clock(sysctl("hw.perflevel0.frequency")),
format_clock(sysctl("hw.perflevel1.frequency"))
]),
Cores = sysctl("hw.physicalcpu"),
Threads = sysctl("hw.logicalcpu"),
{Model, Clock, Cores, Threads};
{unix, linux} ->
Model = linux_cpu_field("model name"),
Clock = format_clock_mhz(linux_cpu_field("cpu MHz")),
Cores = string:trim(os:cmd("grep -c '^processor' /proc/cpuinfo 2>/dev/null")),
Threads = Cores,
{Model, Clock, Cores, Threads};
_ ->
{"unknown", "", "?", "?"}
end.
sysctl(Key) ->
string:trim(os:cmd("sysctl -n " ++ Key ++ " 2>/dev/null")).
linux_cpu_field(Key) ->
Cmd = "grep -m1 '^" ++ Key ++ "' /proc/cpuinfo 2>/dev/null | cut -d: -f2- | sed 's/^ *//'",
string:trim(os:cmd(Cmd)).
first_non_empty(["" | Rest]) -> first_non_empty(Rest);
first_non_empty([Val | _]) -> Val;
first_non_empty([]) -> "".
format_clock(HzStr) ->
case string:to_integer(string:trim(HzStr)) of
{ok, Hz, _} when Hz > 1000000000 ->
lists:flatten(io_lib:format("~.2f GHz", [Hz / 1000000000]));
{ok, Hz, _} when Hz > 1000000 ->
lists:flatten(io_lib:format("~.2f MHz", [Hz / 1000000]));
_ ->
""
end.
format_clock_mhz(MhzStr) ->
case string:to_float(string:trim(MhzStr)) of
{ok, Mhz, _} ->
lists:flatten(io_lib:format("~.3f GHz", [Mhz / 1000]));
_ ->
""
end.
load_test_data(DataFile) ->
{ok, Fd} = file:open(DataFile, [read]),
T0 = os:timestamp(),
IpList = load_test_data(Fd, []),
T1 = os:timestamp(),
Sec = timer:now_diff(T1, T0) / 1000000,
io:format(" Loaded : ~p IPs in ~.3f s~n", [length(IpList), Sec]),
IpList.
load_test_data(Fd, IpList) ->
case file:read_line(Fd) of
{ok, Ip} ->
case string:tokens(unicode:characters_to_list(Ip), "|") of
[SIp | _Tail] ->
load_test_data(Fd, [string:trim(SIp)| IpList]);
_ ->
load_test_data(Fd, IpList)
end;
_ ->
file:close(Fd),
IpList
end.
run(IpList) ->
garbage_collect(),
io:format("~nBenchmarks:~n", []),
run_test("cold", IpList),
run_test("warm", IpList),
io:format("~nDone.~n", []).
run_test(Label, IpList) ->
T0 = os:timestamp(),
run_test_aux(IpList),
T1 = os:timestamp(),
Sec = timer:now_diff(T1, T0) / 1000000,
Count = length(IpList),
Qps = Count / Sec,
MsOp = Sec * 1000 / Count,
UsOp = Sec * 1000000 / Count,
io:format(" ~-8s total=~7.3fs count=~7w qps=~12.2f avg=~9.6f ms/op (~6.3f us/op)~n",
[Label, Sec, Count, Qps, MsOp, UsOp]).
run_test_aux([]) -> ok;
run_test_aux([Ip | Tail]) ->
xdb:search(Ip),
run_test_aux(Tail).