See also http://www.jsoftware.com/jwiki/Essays/JKT%20Benchmark

You should know that some of the special code described in
http://www.jsoftware.com/help/dictionary/special.htm are "JKT specials".



On Tue, Apr 1, 2014 at 3:21 PM, Joe Bogner <[email protected]> wrote:

> For fun, I've successfully installed J on every computer / device laying
> around the house and the two virtual private servers I run. That's 14
> different instances of J.
>
> I ran a modified version of the Joey Tuttle benchmark. Mine was 10 (6!:2)
> '%. ?500 500$10000' to slow it down some on the faster devices.
>
> In all cases it was J8 except where noted I also ran jconsole_for_android
>
> My results (times in seconds):
>
> Laptops:
>
> 1.) 0.330          2.8ghz i-7 2640M Dell
> 2.) 0.336          2.9ghz i-7 3520M Lenovo
> 3.) 0.427          2ghz Dell 1570
> 4.) 0.770          1.9ghz AMD T-58     Dell
> 5.) 2.520          1.6ghz Atom N55 Chromebook Cr48
>
> Tablets:
>
> first time is for jqt. second time is for jconsole_for_apk (jc)
>
> 5.) 1.269                  iPad 4
> 6.) 1.823                  Asus T-100 1.3ghz baytrail
> 7.) 13.73 jqt, 2.33 jc  Nexus 4
> 8.) 31.42 jqt, 9.659 jc  Kindle Fire v1
>
> Phones:
>
> 9.) 4.2s linux chroot   Droid 3
>      9.0 jconsole          Droid 3
> 10.) 13.1 jqt, 3.33 jc Samsung Galaxy S4
> 11.) 90.1 jc LG Ally (old!)
>
> VPS
> 12.) 0.96          2ghz , 4K bogomips Digital Ocean
> 13.) 0.58        2.2ghz 4k bogomips Prgmr.com
>
> Other
> 14.) 16.56       Raspberry PI
>
>
> Now, if I could only cluster them all together! (kidding)
>
> Question: Is jqt for android compiled differently than jconsole? I noticed
> significantly different times on all devices. Performance probably doesn't
> matter so much on the tablet and phone but wanted to point it out
> nonetheless.
>
> For #9, I ran the first benchmark under a chrooted debian and the armhf
> debian package if I remember right. I rooted my device and installed debian
> on it through https://github.com/meefik/linuxdeploy.  Running under a
> chrooted linux instance was 2x as fast as the jconsole for android, which I
> thought was interesting.
>
> Forum links (many others) that reference the benchmark
> [1] -
> http://www.jsoftware.com/pipermail/programming/2007-December/009018.html
> [2] - http://www.jsoftware.com/pipermail/beta/2012-May/006113.html
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>
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