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Ilya Ig. Petrov 2015-12-23 13:11:57 +05:00
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## PAC-Script Performance Analysis
__Warning:__ this experimentation wasn't implemented in the extension yet.
Somewhere in PAC-script you may want:
```javascript
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![Host Lookup Chart: Time-Memory, Hits-Misses](./chart/host-lookup-chart.png)
* __IPs indexOf__ Blocked IP is searched by `indexOf`
* __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__.
* __IPs indexOf__ Blocked IP is searched by `indexOf`
* __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"_.