Similar experience with needing ide update and impressive results -  on macOS 
10.12.4 (beta) installation went fine.

   timex 'b e. a'   NB. with avx
0.011738 4480

   timex 'b e. a'   NB. without avx
0.141183 16780160


On Ubuntu 16.04 installation had some troubles -

jkt@set1:~$ jb

   version ''
Engine: j806/j64/linux
Beta-1: commercial/2017-03-09T10:15:42
Library: 8.06.01
Platform: Linux 64
Installer: J806 install
InstallPath: /usr/local/lib/j64-806
Contact: www.jsoftware.com
Linux version 3.13.0-74-generic (buildd@lcy01-07) (gcc version 4.8.2 (Ubuntu 
4.8.2-19ubuntu1) ) #118-Ubuntu SMP Thu Dec 17 22:52:10 UTC 2015
java version "1.7.0_111" OpenJDK Runtime Environment (IcedTea 2.6.7) 
(7u111-2.6.7-0ubuntu0.14.04.3) OpenJDK 64-Bit Server VM (build 24.111-b01, 
mixed mode)

   load 'pacman'
   'upgrade' jpkg ''

   'shownotinstalled' jpkg ''

    load'~addons/ide/jhs/installer.ijs'
     avx'' NB. follow the instructions
Illegal instruction
|interface error: spawn
|   a=.    shell q=:'"',t,'jconsole','" -lib ',favx,' -js exit[0[echo[i.~i.10'
   spawn
|value error: spawn
       load'~addons/ide/jhs/installer.ijs'



I'll try to poke at it more tomorrow.

But performance (on macOS) looks exciting. Thanks Henry!!

- joey


> On 2017Mar 11, at 21:38, Ric Sherlock <[email protected]> wrote:
> 
> Had a quick look at the new beta to see if my machine would get any benefit
> from the improvements.
> ​Only tried the b e. a for char so far but looks impressive.​ Nice work
> Henry!!
> 
>   10 timespacex 'b e. a'  NB. not avx
> 1.89675 2.68439e8
> 
>   10 timespacex 'b e. a'  NB. avx
> 0.0816376 3.35574e7
> 
> Note that after unzipping the beta, I needed to upgrade the ide/jhs addon
> before the instructions to change to the avx dll worked (before that the
> avx command was not found).
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm

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