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Groups > comp.lang.java.programmer > #16867 > unrolled thread
| Started by | "lbrtchx" <lbrtchx@1:261/38.remove-x1c-this> |
|---|---|
| First post | 2012-07-31 20:07 +0000 |
| Last post | 2012-07-31 20:07 +0000 |
| Articles | 4 — 4 participants |
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How can you make idle processors pick up java work? "lbrtchx" <lbrtchx@1:261/38.remove-x1c-this> - 2012-07-31 20:07 +0000
Re: How can you make idle processors pick up java work? "Joshua Cranmer" <joshua.cranmer@1:261/38.remove-x1c-this> - 2012-07-31 20:07 +0000
Re: How can you make idle processors pick up java work? "markspace" <markspace@1:261/38.remove-x1c-this> - 2012-07-31 20:07 +0000
Re: How can you make idle processors pick up java work? "Roedy Green" <roedy.green@1:261/38.remove-x1c-this> - 2012-07-31 20:07 +0000
| From | "lbrtchx" <lbrtchx@1:261/38.remove-x1c-this> |
|---|---|
| Date | 2012-07-31 20:07 +0000 |
| Subject | How can you make idle processors pick up java work? |
| Message-ID | <50182C7F.55835.calajapr@time.synchro.net> |
From: "lbrtchx" <lbrtchx@1:261/38.remove-dpk-this> From: lbrtchx@gemale.com How can you make idle processors pick up java work? ~ While running top I noticed that most processors running the same executing java instance are idle ~ // __ 4 processors + 4Gb RAM ~ http://hsymbolicus.wordpress.com/?attachment_id=418 ~ // __ 8 processors + 32Gb RAM ~ http://hsymbolicus.wordpress.com/?attachment_id=419 ~ I need to work on vast amounts of data. ~ Is there a way to make these processors pick up/share work also, or do you have to use some sort of scheduling framework on top of java? ~ lbrtchx comp.lang.java.programmer: How can you make idle processors pick up java work? -+- BBBS/Li6 v4.10 Dada-1 + Origin: Prism bbs (1:261/38) -+- Synchronet 3.16a-Win32 NewsLink 1.98 Time Warp of the Future BBS - telnet://time.synchro.net:24 --- BBBS/Li6 v4.10 Dada-1 * Origin: Prism bbs (1:261/38) --- Synchronet 3.16a-Win32 NewsLink 1.98 Time Warp of the Future BBS - telnet://time.synchro.net:24
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| From | "Joshua Cranmer" <joshua.cranmer@1:261/38.remove-x1c-this> |
|---|---|
| Date | 2012-07-31 20:07 +0000 |
| Message-ID | <50182C7F.55837.calajapr@time.synchro.net> |
| In reply to | #16867 |
To: lbrtchx From: "Joshua Cranmer" <joshua.cranmer@1:261/38.remove-dpk-this> To: lbrtchx From: Joshua Cranmer <Pidgeot18@verizon.invalid> On 7/30/2012 6:01 PM, lbrtchx@gemale.com wrote: > Is there a way to make these processors pick up/share work also, or > do you have to use some sort of scheduling framework on top of java? Use multiple threads? -- Beware of bugs in the above code; I have only proved it correct, not tried it. -- Donald E. Knuth -+- BBBS/Li6 v4.10 Dada-1 + Origin: Prism bbs (1:261/38) -+- Synchronet 3.16a-Win32 NewsLink 1.98 Time Warp of the Future BBS - telnet://time.synchro.net:24 --- BBBS/Li6 v4.10 Dada-1 * Origin: Prism bbs (1:261/38) --- Synchronet 3.16a-Win32 NewsLink 1.98 Time Warp of the Future BBS - telnet://time.synchro.net:24
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| From | "markspace" <markspace@1:261/38.remove-x1c-this> |
|---|---|
| Date | 2012-07-31 20:07 +0000 |
| Message-ID | <50182C80.55839.calajapr@time.synchro.net> |
| In reply to | #16867 |
To: lbrtchx From: "markspace" <markspace@1:261/38.remove-dpk-this> To: lbrtchx From: markspace <-@.> On 7/30/2012 3:01 PM, lbrtchx@gemale.com wrote: > Is there a way to make these processors pick up/share work also, or > do you have to use some sort of scheduling framework on top of java? I have to echo Joshua's comment. What are you doing now that you expect a JVM to be executing more than one thread? The full protocol stack would be good to know, as well as any frameworks you are currently using. Some are multi-threaded, some aren't. -+- BBBS/Li6 v4.10 Dada-1 + Origin: Prism bbs (1:261/38) -+- Synchronet 3.16a-Win32 NewsLink 1.98 Time Warp of the Future BBS - telnet://time.synchro.net:24 --- BBBS/Li6 v4.10 Dada-1 * Origin: Prism bbs (1:261/38) --- Synchronet 3.16a-Win32 NewsLink 1.98 Time Warp of the Future BBS - telnet://time.synchro.net:24
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| From | "Roedy Green" <roedy.green@1:261/38.remove-x1c-this> |
|---|---|
| Date | 2012-07-31 20:07 +0000 |
| Message-ID | <50182C82.55854.calajapr@time.synchro.net> |
| In reply to | #16867 |
To: lbrtchx From: "Roedy Green" <roedy.green@1:261/38.remove-dpk-this> To: lbrtchx From: Roedy Green <see_website@mindprod.com.invalid> On Mon, 30 Jul 2012 22:01:03 +0000 (UTC), lbrtchx@gemale.com wrote, quoted or indirectly quoted someone who said : > How can you make idle processors pick up java work? You need multiple threads. There is no way two processors can gang up to boost the same thread. See http://mindprod.com/jgloss/thread.html -- Roedy Green Canadian Mind Products http://mindprod.com The greatest shortcoming of the human race is our inability to understand the exponential function. ~ Dr. Albert A. Bartlett (born: 1923-03-21 age: 89) http://www.youtube.com/watch?v=F-QA2rkpBSY -+- BBBS/Li6 v4.10 Dada-1 + Origin: Prism bbs (1:261/38) -+- Synchronet 3.16a-Win32 NewsLink 1.98 Time Warp of the Future BBS - telnet://time.synchro.net:24 --- BBBS/Li6 v4.10 Dada-1 * Origin: Prism bbs (1:261/38) --- Synchronet 3.16a-Win32 NewsLink 1.98 Time Warp of the Future BBS - telnet://time.synchro.net:24
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