Skip to main content
17 events
when toggle format what by license comment
Mar 8, 2018 at 13:10 history edited ngn CC BY-SA 3.0
slightly more frugal thread spawning, no need to retest
Mar 7, 2018 at 10:08 comment added user9206 @Dennis I used -march=native when testing.
Mar 5, 2018 at 15:47 history edited ngn CC BY-SA 3.0
added 2 characters in body
Mar 5, 2018 at 15:28 history edited ngn CC BY-SA 3.0
added 52 characters in body
Mar 5, 2018 at 15:21 history edited ngn CC BY-SA 3.0
better compiler flags at tio
Mar 5, 2018 at 15:07 history edited ngn CC BY-SA 3.0
algorithm description
Mar 5, 2018 at 14:52 comment added Dennis Also, at least on TIO, the executable produced by gcc will be even faster.
Mar 5, 2018 at 14:40 comment added Dennis -march=native will make a big difference here. At least on TIO, it nearly cuts the wall time in half.
Mar 5, 2018 at 10:15 comment added ngn @Lembik the only hard-coded limit is the size of the input buffer, in which I left plenty of room for 100x100 matrix (n=50), so it should be practically unlimited
Mar 5, 2018 at 10:00 comment added user9206 What's the largest size matrix this new code should support?
Mar 5, 2018 at 6:55 history edited ngn CC BY-SA 3.0
added 7 characters in body
Mar 5, 2018 at 6:37 history edited ngn CC BY-SA 3.0
added 2631 characters in body
Mar 3, 2018 at 16:51 history edited ngn CC BY-SA 3.0
max n = 15
Mar 3, 2018 at 14:46 comment added ngn @Lembik For the record, as I said in chat, the input is in the same format as the examples - json (actually, it only reads the numbers and uses n=sqrt(len(input))/2). I usually write short code, even when golfing is not a requirement.
Mar 3, 2018 at 13:48 comment added user9206 Could you show an explicit example of the input your code accepts? Say for a 2 by 2 matrix. Also, you seem to have golfed your code! (This is a fastest-code challenge, not a golf challenge.)
Mar 3, 2018 at 12:56 history edited ngn CC BY-SA 3.0
added 70 characters in body
Mar 3, 2018 at 12:50 history answered ngn CC BY-SA 3.0