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Updated µBlock vs. ABP: efficiency compared (markdown)

Raymond Hill 2014-08-25 08:16:22 -07:00
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µBlock-vs.-ABP:-efficiency-compared.md

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Here is a quick illustrated comparison of efficiency using various angles. Each extension were tested alone, as the only extension present. Benchmarking was performed with Chromium on Linux Mint 64-bit.
- [Own memory footprint](#own-memory-footprint)
- [Added overhead to each net request](#added-overhead-to-each-net-request)
- [Added CPU overhead to each net request](#added-cpu-overhead-to-each-net-request)
- [Added memory footprint to web pages](#added-memory-footprint-to-web-pages)
- [Added CPU footprint to web pages](#added-cpu-overhead-to-web-pages)
### Own memory footprint
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Both extensions had _EasyList_, _EasyPrivacy_, _Peter Lowe's Ad Server_ list, and malware protection (there are more filters in µBlock for this last one).
### Added overhead to each net request
### Added CPU overhead to each net request
ABP and µBlock need to evaluate the URL of each net request against their dictionary of filters, and eventually tell the waiting browser whether the request should be cancelled or not. Since the browser is waiting for an answer, this is a time critical part and determining whether the request should be allowed or not must be done as fast as possible.
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The blue area represents how much more ABP itself consumes more memory than µBlock. The orange area represents how much more ABP causes the web pages themselves to consume more memory. ABP systematically causes web pages to consume more memory, and often quite a lot, north of 100 MB for some sites. This kind of added short term memory overhead is not cheap, as it also means the CPU is working harder.
### Added CPU overhead to web pages
[Coming]
### Related wiki pages
- [Net request filtering efficiency: HTTP Switchboard vs. Adblock Plus](https://github.com/gorhill/httpswitchboard/wiki/Net-request-filtering-efficiency:-HTTP-Switchboard-vs.-Adblock-Plus)