Re: [Jprogramming] Change in multi-threading?

2022-08-26 Thread Elijah Stone
Are you by any chance using wd to do the actual flipping? As I recall, that is not thread-safe. (When we make it threadsafe, it will most likely be by serialising everything, because qt is not threadsafe; so you wouldn't get a performance boost there, anyway.) If not, what are you using? It

[Jprogramming] Change in multi-threading?

2022-08-26 Thread Devon McCormick
Hi, So, here's some code I put together over the past few months to use multi-threading to parallelize a time-consuming process. We start with the top-level function: NB.* startFlipping: wrapper to set up for "flipN" by creating threads, setting up MUTEX, NB. moving to chip photo dir and flipping

Re: [Jprogramming] J cheat sheet (or an alternative view for the NuVoc table)

2022-08-26 Thread Elijah Stone
Presumably: 'a b'=. 1 2 a 1 b 2 'p q'=. 2 3;4 5 6 p 2 3 q 4 5 6 'x y'=. i.2 4 x 0 1 2 3 y 4 5 6 7 '`f g'=. +`- f + g - On Fri, 26 Aug 2022, Richard Donovan wrote: Hi Sergey This is great! Can you explain what "supports unpacking" means against the entries

Re: [Jprogramming] J cheat sheet (or an alternative view for the NuVoc table)

2022-08-26 Thread Richard Donovan
Hi Sergey This is great! Can you explain what "supports unpacking" means against the entries for =: and =. ? Thank you From: Programming on behalf of 'Sergey S' via Programming Sent: Wednesday, April 6, 2022 9:37:32 AM To: programm...@jsoftware.com Subject: [