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Groups > linux.debian.user > #267339
| From | David Christensen <dpchrist@holgerdanske.com> |
|---|---|
| Newsgroups | linux.debian.user |
| Subject | Re: Fast Random Data Generation (Was: Re: Unidentified subject!) |
| Date | 2024-02-12 22:30 +0100 |
| Message-ID | <I6M2d-9Jqf-1@gated-at.bofh.it> (permalink) |
| References | (1 earlier) <I6dea-9oi8-3@gated-at.bofh.it> <I6eWC-9plk-7@gated-at.bofh.it> <I6ffX-9pry-7@gated-at.bofh.it> <I6xPA-9AWS-3@gated-at.bofh.it> <I6Hvz-9GDo-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 2/12/24 08:30, Linux-Fan wrote: > David Christensen writes: > >> On 2/11/24 02:26, Linux-Fan wrote: >>> I wrote a program to automatically generate random bytes in multiple >>> threads: >>> https://masysma.net/32/big4.xhtml >> >> What algorithm did you implement? > > I copied the algorithm from here: > https://www.javamex.com/tutorials/random_numbers/numerical_recipes.shtml That Java code uses locks, which implies it uses global state and cannot be run multi-threaded (?). (E.g. one process with one JVM.) Is it possible to obtain parallel operation on an SMP machine with multiple virtual processors? (Other than multiple OS processes with one PRNG on one JVM each?) > I found it during the development of another application where I needed > a lot of random data for simulation purposes :) > > My implementation code is here: > https://github.com/m7a/bo-big/blob/master/latest/Big4.java > > If I were to do it again today, I'd probably switch to any of these PRNGS: > > * https://burtleburtle.net/bob/rand/smallprng.html > * https://www.pcg-random.org/ Hard core. I'll let the experts figure it out; and then I will use their libraries and programs. David
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Unidentified subject! gene heskett <gheskett@shentel.net> - 2024-02-07 21:40 +0100
Re: Unidentified subject! Stefan Monnier <monnier@iro.umontreal.ca> - 2024-02-08 05:30 +0100
Re: Unidentified subject! gene heskett <gheskett@shentel.net> - 2024-02-10 11:00 +0100
Re: Unidentified subject! "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-10 11:40 +0100
shred bug? [was: Unidentified subject!] <tomas@tuxteam.de> - 2024-02-10 13:50 +0100
Re: shred bug? [was: Unidentified subject!] tomas@tuxteam.de - 2024-02-10 14:00 +0100
Re: shred bug? "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-10 15:00 +0100
Re: shred bug? <tomas@tuxteam.de> - 2024-02-10 15:40 +0100
Re: shred bug? Gremlin <scott-andrews@columbus.rr.com> - 2024-02-10 14:40 +0100
Re: shred bug? "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-10 14:40 +0100
Re: shred bug? [was: Unidentified subject!] David Christensen <dpchrist@holgerdanske.com> - 2024-02-11 01:10 +0100
Re: shred bug? [was: Unidentified subject!] Greg Wooledge <greg@wooledge.org> - 2024-02-11 01:20 +0100
Re: shred bug? [was: Unidentified subject!] David Christensen <dpchrist@holgerdanske.com> - 2024-02-11 01:30 +0100
Re: shred bug? [was: Unidentified subject!] debian-user@howorth.org.uk - 2024-02-11 14:00 +0100
Re: shred bug? "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-11 14:30 +0100
Re: shred bug? [was: Unidentified subject!] <tomas@tuxteam.de> - 2024-02-11 08:10 +0100
Re: shred bug? [was: Unidentified subject!] Greg Wooledge <greg@wooledge.org> - 2024-02-11 15:40 +0100
Re: shred bug? [was: Unidentified subject!] <tomas@tuxteam.de> - 2024-02-11 15:50 +0100
Re: shred bug? [was: Unidentified subject!] Greg Wooledge <greg@wooledge.org> - 2024-02-11 16:00 +0100
Re: shred bug? [was: Unidentified subject!] <tomas@tuxteam.de> - 2024-02-11 16:00 +0100
Re: shred bug? [was: Unidentified subject!] Greg Wooledge <greg@wooledge.org> - 2024-02-12 18:00 +0100
Re: shred bug? [was: Unidentified subject!] Curt <curty@free.fr> - 2024-02-12 18:00 +0100
Re: shred bug? [was: Unidentified subject!] David Christensen <dpchrist@holgerdanske.com> - 2024-02-12 22:00 +0100
Re: shred bug? [was: Unidentified subject!] "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-12 22:10 +0100
Re: shred bug? [was: Unidentified subject!] <tomas@tuxteam.de> - 2024-02-13 06:50 +0100
Re: shred bug? [was: Unidentified subject!] David Wright <deblis@lionunicorn.co.uk> - 2024-02-11 16:30 +0100
Re: shred bug? [was: Unidentified subject!] Greg Wooledge <greg@wooledge.org> - 2024-02-13 13:20 +0100
Re: shred bug? [was: Unidentified subject!] Greg Wooledge <greg@wooledge.org> - 2024-02-13 13:40 +0100
Re: shred bug? [was: Unidentified subject!] <tomas@tuxteam.de> - 2024-02-13 13:50 +0100
Re: shred bug? [was: Unidentified subject!] "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-13 14:00 +0100
Re: shred bug? [was: Unidentified subject!] David Wright <deblis@lionunicorn.co.uk> - 2024-02-13 16:40 +0100
Re: shred bug? [was: Unidentified subject!] Greg Wooledge <greg@wooledge.org> - 2024-02-13 17:30 +0100
Re: shred bug? [was: Unidentified subject!] debian-user@howorth.org.uk - 2024-02-13 18:50 +0100
Re: shred bug? [was: Unidentified subject!] David Christensen <dpchrist@holgerdanske.com> - 2024-02-13 22:10 +0100
Re: shred bug? [was: Unidentified subject!] <tomas@tuxteam.de> - 2024-02-14 06:50 +0100
Re: shred bug? [was: Unidentified subject!] "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-13 19:00 +0100
Re: shred bug? [was: Unidentified subject!] Greg Wooledge <greg@wooledge.org> - 2024-02-13 20:00 +0100
Re: shred bug? [was: Unidentified subject!] "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-13 20:40 +0100
Re: shred bug? [was: Unidentified subject!] gene heskett <gheskett@shentel.net> - 2024-02-13 20:40 +0100
Re: shred bug? [was: Unidentified subject!] "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-13 20:50 +0100
Re: shred bug? [was: Unidentified subject!] gene heskett <gheskett@shentel.net> - 2024-02-13 21:30 +0100
Re: shred bug? [was: Unidentified subject!] David Christensen <dpchrist@holgerdanske.com> - 2024-02-13 22:10 +0100
Re: shred bug? [was: Unidentified subject!] gene heskett <gheskett@shentel.net> - 2024-02-13 22:50 +0100
Re: shred bug? [was: Unidentified subject!] David Wright <deblis@lionunicorn.co.uk> - 2024-02-15 06:40 +0100
Re: shred bug? [was: Unidentified subject!] David Christensen <dpchrist@holgerdanske.com> - 2024-02-11 23:50 +0100
Re: shred bug? [was: Unidentified subject!] Max Nikulin <manikulin@gmail.com> - 2024-02-13 03:40 +0100
Re: shred bug? [was: Unidentified subject!] "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-11 16:30 +0100
Re: shred bug? [was: Unidentified subject!] Michael Stone <mstone@debian.org> - 2024-02-16 16:00 +0100
Re: Unidentified subject! gene heskett <gheskett@shentel.net> - 2024-02-10 18:50 +0100
Re: Unidentified subject! "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-10 19:40 +0100
Re: Unidentified subject! gene heskett <gheskett@shentel.net> - 2024-02-10 20:30 +0100
Re: Unidentified subject! David Christensen <dpchrist@holgerdanske.com> - 2024-02-11 00:50 +0100
Re: Unidentified subject! "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-11 09:10 +0100
Re: Unidentified subject! David Christensen <dpchrist@holgerdanske.com> - 2024-02-11 21:50 +0100
Re: Unidentified subject! David Christensen <dpchrist@holgerdanske.com> - 2024-02-11 00:40 +0100
Re: Unidentified subject! "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-11 09:20 +0100
Re: Unidentified subject! David Christensen <dpchrist@holgerdanske.com> - 2024-02-11 11:10 +0100
Fast Random Data Generation (Was: Re: Unidentified subject!) Linux-Fan <Ma_Sys.ma@web.de> - 2024-02-11 11:30 +0100
Re: Fast Random Data Generation "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-11 12:30 +0100
Re: Fast Random Data Generation (Was: Re: Unidentified subject!) Gremlin <scott-andrews@columbus.rr.com> - 2024-02-11 13:20 +0100
Re: Fast Random Data Generation (Was: Re: Unidentified subject!) David Christensen <dpchrist@holgerdanske.com> - 2024-02-12 07:20 +0100
Re: Fast Random Data Generation (Was: Re: Unidentified subject!) Linux-Fan <Ma_Sys.ma@web.de> - 2024-02-12 17:40 +0100
Re: Fast Random Data Generation (Was: Re: Unidentified subject!) David Christensen <dpchrist@holgerdanske.com> - 2024-02-12 22:30 +0100
Re: Fast Random Data Generation (Was: Re: Unidentified subject!) Linux-Fan <Ma_Sys.ma@web.de> - 2024-02-13 18:40 +0100
Re: Fast Random Data Generation (Was: Re: Unidentified subject!) Jeffrey Walton <noloader@gmail.com> - 2024-02-12 22:30 +0100
Re: Unidentified subject! "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-11 12:20 +0100
Re: Unidentified subject! Jeffrey Walton <noloader@gmail.com> - 2024-02-11 16:20 +0100
Re: Unidentified subject! David Christensen <dpchrist@holgerdanske.com> - 2024-02-11 23:00 +0100
Re: Unidentified subject! Stefan Monnier <monnier@iro.umontreal.ca> - 2024-02-10 15:40 +0100
Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Andy Smith <andy@strugglers.net> - 2024-02-08 16:40 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Gremlin <scott-andrews@columbus.rr.com> - 2024-02-08 17:20 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Andy Smith <andy@strugglers.net> - 2024-02-08 17:30 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (WasRe: Unidentified subject!) gene heskett <gheskett@shentel.net> - 2024-02-09 09:50 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Ralph Aichinger <ra@h5.or.at> - 2024-02-08 18:00 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Jeffrey Walton <noloader@gmail.com> - 2024-02-08 20:30 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Andy Smith <andy@strugglers.net> - 2024-02-08 21:50 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Andy Smith <andy@strugglers.net> - 2024-02-08 21:50 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Gremlin <scott-andrews@columbus.rr.com> - 2024-02-08 22:00 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Andy Smith <andy@strugglers.net> - 2024-02-08 22:20 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Andy Smith <andy@strugglers.net> - 2024-02-08 22:30 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Gremlin <scott-andrews@columbus.rr.com> - 2024-02-08 23:10 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Gremlin <scott-andrews@columbus.rr.com> - 2024-02-08 22:30 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (WasRe: Unidentified subject!) gene heskett <gheskett@shentel.net> - 2024-02-09 14:00 +0100
Re: Things I don't touch with a 3.048m barge pole "Thomas Schmitt" <scdbackup@gmx.net> - 2024-02-09 14:50 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (WasRe: Unidentified subject!) David Christensen <dpchrist@holgerdanske.com> - 2024-02-10 07:00 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage(WasRe: Unidentified subject!) gene heskett <gheskett@shentel.net> - 2024-02-10 18:40 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Andy Smith <andy@strugglers.net> - 2024-02-08 21:40 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Arno Lehmann <al@its-lehmann.de> - 2024-02-09 09:50 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Max Nikulin <manikulin@gmail.com> - 2024-02-08 18:30 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Andy Smith <andy@strugglers.net> - 2024-02-08 21:40 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Gremlin <scott-andrews@columbus.rr.com> - 2024-02-08 22:10 +0100
Re: Things I don't touch with a 3.048m barge pole: USB storage (Was Re: Unidentified subject!) Andy Smith <andy@strugglers.net> - 2024-02-08 22:20 +0100
Re: Unidentified subject! Richmond <dnomhcir@gmx.com> - 2024-02-08 23:50 +0100
Re: Unidentified subject! Stefan Monnier <monnier@iro.umontreal.ca> - 2024-02-09 00:10 +0100
Re: Unidentified subject! Charles Curley <charlescurley@charlescurley.com> - 2024-02-09 00:50 +0100
Re: Unidentified subject! Richmond <dnomhcir@gmx.com> - 2024-02-09 05:50 +0100
Re: Unidentified flying subject! Charles Curley <charlescurley@charlescurley.com> - 2024-02-09 07:50 +0100
Re: Unidentified flying subject! Richmond <dnomhcir@gmx.com> - 2024-02-09 14:20 +0100
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