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Ilya Ig. Petrov 2015-12-23 13:18:36 +05:00
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pac-performance-analyses/README.md
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@ -16,7 +16,7 @@ The naive solution is to keep array of blocked ips and check if the host resolve
You may do it with `indexOf`, binary search, etc.
The shortcoming of every ip solution is that __some providers resolve blocked hosts to wrong ips__, so we eventually need list of hosts.
I have tested different solutions, and depicted [results](./benchmark/Output.txt) in the following chart:
I have tested different [solutions](https://github.com/ilyaigpetrov/anti-censorship-russia/tree/master/pac-generator/src), and depicted [results](./benchmark/Output.txt) in the following chart:
![Host Lookup Chart: Time-Memory, Hits-Misses](./chart/host-lookup-chart.png)
@ -24,5 +24,5 @@ I have tested different solutions, and depicted [results](./benchmark/Output.txt
* __IPs binary__ – Blocked IP is searched by binary search. For some reason miss time slightly increased.
* __IPs switch__ – Simply `switch(Blocked_IP) { case1: ... caseN: return true }`. Works even better than binary search. Magic.
* __Hosts switch__ – Radix trie built on `switch`. Comparable to __IPs switch__.
* __Hosts reversed binary__ – binary search on hosts, but hosts are kept in reversed form: _"gro.evichra"_ instead of _"archive.org"_. It shouldn't really affect anything, but it does.
* __Hosts reversed binary__ – binary search on hosts, but hosts are kept in reversed form: _"gro.evichra"_ instead of _"archive.org"_. It shouldn't really affect anything, but it does, maybe because I also use `dnsDomainIs`.