unofficial rust version for https://github.com/ipipdotnet
Any contributions are welcome ~
./+o+-
yyyyy- -yyyyyy+ OS: Ubuntu 14.04 LTS (Trusty Tahr)
:https://+//////-yyyyyyo Kernel: x86_64 Linux 3.13.0-167-generic
.++ .:/++++++/-.+sss/` Uptime: 108d 21h 40m
.:++o: /++++++++/:--:/- Packages: 670
o:+o+:++.`..```.-/oo+++++/ Shell: bash 4.3.11
.:+o:+o/. `+sssoo+/ Disk: 7.0T / 7.6T (97%)
.++/+:+oo+o:` /sssooo. CPU: Intel Xeon E5-2603 0 @ 8x 1.8GHz
/+++//+:`oo+o /::--:. GPU: ASPEED Technology, Inc. ASPEED Graphics Family (rev 21)
\+/+o+++`o++o ++////. RAM: 6593MiB / 32162MiB
.++.o+++oo+:` /dddhhh.
.+.o+oo:. `oddhhhh+
\+.++o+o``-````.:ohdhhhhh+
`:o+++ `ohhhhhhhhyo++os:
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/osyyyyyyo++ooo+++/
````` +oo+++o\:
`oo++.
ipdbv4 time: [694.10 ns 694.31 ns 694.52 ns]
change: [-0.1452% -0.1046% -0.0615%] (p = 0.00 < 0.05)
Change within noise threshold.
Found 3 outliers among 100 measurements (3.00%)
1 (1.00%) low mild
1 (1.00%) high mild
1 (1.00%) high severeJDK java version "1.8.0_91"
<dependency>
<groupId>net.ipip</groupId>
<artifactId>ipdb</artifactId>
<version>1.1.3</version>
</dependency> @Test
public void testJavaIPDB() {
for (int i = 0; i < 100000; i++) {
IPDB.find("113.67.126.164");
}
final long start = System.currentTimeMillis();
long sum = 0;
for (int i = 0; i < 1000000; i++) {
final String[] v = IPDB.find("113.67.126.164");
if (v != null) {
sum += v.length;
}
}
System.out.println("cost " + (System.currentTimeMillis() - start) + " ms, total " + (sum / 3));
} use ipdb_rs as ipdb;
let ipadd = ipdb::find("113.67.126.164", "CN");
println!("ip addr {:?}", ipadd);
let now = Instant::now();
let mut sum: usize = 0;
for i in 0..1000000 {
if let Ok(v) = ipdb::find("113.67.126.164", "CN") {
sum += v.len();
}
}
println!("cost {} ms, total {}", now.elapsed().as_millis(), sum / 3);Rust
cost 657 ms, total 1000000
Java
cost 847 ms, total 1000000perf stat --event task-clock,context-switches,page-faults,cycles,instructions,branches,branch-misses,cache-references,cache-misses target/release/ipdbv4-rust
Performance counter stats for 'target/release/ipdbv4-rust':
710.637275 task-clock (msec) # 0.997 CPUs utilized
130 context-switches # 0.183 K/sec
1,054 page-faults # 0.001 M/sec
1,268,990,768 cycles # 1.786 GHz
3,327,191,701 instructions # 2.62 insns per cycle
674,373,546 branches # 948.970 M/sec
28,649 branch-misses # 0.00% of all branches
288,362 cache-references # 0.406 M/sec
134,631 cache-misses # 46.688 % of all cache refs
0.712643771 seconds time elapsed