Sort speed up in CPU intensive simulation

I am running a simulation in which I do
sorts embedded in sorts in each trial. This
simulation runs 5 times faster in FORTRAN
on an Ultra 5 than in Java (I use Sun's FORTRAN
compiler with the -fast compiler option and I use whatever SDK is distributed with Solaris 8 with the -O
compiler option). Is the JIT compiler the default
Sun compiler? Is there a real compiler (rather than an interpreter) available for Java on Suns?

JIT technology has been updated to the HotSpot technology. The following is a clip from a FAQ on the tool.
-------------snip---------------------
What's the difference between the -client and -server systems?
These two systems are different binaries. They are essentially two different compilers (JITs) interfacing to the same runtime system. The client system is optimal for applications which need fast startup times or small footprints, the server system is optimial for applications where the performance is most important. In general the client system is better on GUIs. Some of the other differences include the compilation policy used, heap defaults, and inlining policy.
-------------snip---------------------
Class code is run and analyzed for "hot spots" that are high usage, which are compiled to native code; the remainder of the program is interpreted. The mix is controlled by java options -client and -server. The default option is -client.
The FAQ is here:
http://java.sun.com/docs/hotspot/PerformanceFAQ.html#general

Similar Messages

  • Ghosting on cpu intensive app

    So I have a Flex app, which can be cpu intensive at times, with some ghosting issues ( see attached image ). I had this issue once before with just IE8 and textfields, but now its happening with everything in the swf and in every browser (Chrome, IE, FF). Even if you let the app sit after loading so the cpu slows down it still happens.
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    TIA, Jason

    Terpstar,
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  • Problem with animation and separate CPU intensive thread.

    Hi All,
    I'm in the process of writing a Java chess game with a computer AI. I've got everything working except for the animation of the computer making its move. Sometimes it works, sometimes it doesnt.
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    In the javax.swing.Timer class is a method called
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  • What is the less CPU intensive method ...

    Hi,
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    Regards.
    Robert Lespérance

    In terms of load on your system they are identical.
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  • Looking for Mac that can handle CPU intensive apps (Music & Video)

    Hi everyone, I am looking to get a new mac in the near future but wanted to know which Desktop mac is best for music and video? I was thinking of the new iMac but not sure if they are powerful enough? I need something that can handle CPU intensive stuff. I will be using it mainly for video editing and music producing

    In a nutshell,
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  • 10.5.7. why so CPU intensive on PBG412"?

    I just installed 10.5.7 on my PB G4. The CPU appears to be always maxed out, and as a result
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    Not to mention the computer is now hotter all the time.
    Is there a way to moderate the CPU usage of 10.5.7?
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    Alfonso wrote:
    I just installed 10.5.7 on my PB G4. The CPU appears to be always maxed out, and as a result
    my brand new battery which lasted 4hrs under 10.4.11 suddently dropped to just over 1.5 hrs.
    Not to mention the computer is now hotter all the time.
    Is there a way to moderate the CPU usage of 10.5.7?
    Regards
    If you just installed Leopard over Tiger, Spotlight will be indexing any and all volumes you have not excluded. This is an energy/CPU intensive process. See if the dot in the center of the spotlight magnifying glass is winkling. If so, it's still indexing.
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  • Which is more CPU intensive?

    Which is more CPU intensive, tracking to an audio track and looping that, or using Logic vitual midi instruments? Plug-ins and automation on audio tracks or Logic virtual midi instruments? Third party plug-ins like Waves or Izatope or Logic plug-ins

    A bit hard to answer, as you need to be a little more specific, but generally:
    tracking to an audio track and looping that, or using Logic vitual midi instruments?
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    Third party plug-ins like Waves or Izatope
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  • Debug ip bgp update is cpu-intensive

    Hi,
    I would like to know if the command in the subject is cpu-intensive or not.
    Thank you very much.
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    debugs always use cpu to one extent or another.
    debug of bgp updates should not be too impacting unless you continually have tons of updates.
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  • What does cpu intensive mean?

    I downloaded free trial of adobe audition 3, when trying to remove vocals to make karaoke song a message came up saying cpu intensive
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    Thank you
    mimsypoo

    Thanks for all the info,
    I tried remove vocals from various sources without success,so I guess
    this programme isn't any good for what i am trying to do or maybe it,s me.
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    durin <[email protected]> wrote:
    CPU Intensive warnings come up when using effects that are not suited for real-time use.  This means it's fine to use the effect on a file where you don't mind waiting a few minutes for it to do its thing, but you wouldn't want to plug the effect into a track and try to remove vocals from a microphone you're singing into.  It requires the computer to do too much calculation and it wouldn't be able to keep up.
    As for why your vocals were still there, vocal removal is a very complicated procedure, and honestly more often than not, you won't get satisfactory results.  When a song is mixed, often the vocal portion is placed in a very specific portion of the stereo field - usually right in the center so that both ears hear it equally.  When this is the case, you can usually isolate and remove this portion of the audio if you can determine where in that stereo field it is located.  Other songs, however, may spread the vocals out more broadly, process it with several effects that migrate around the stereo field, or even use multiple recordings of the same vocals in different locations.  This makes it much more difficult, as close to impossible as can be without fully committing myself, to accurately remove the vocals without affecting a significant portion of the rest of the track.
    >

  • Cpu intensive or io intensive

    Dear all,
    How do i know if a util/programme is cpu intensive or io intensive.
    Regards,
    Yoonus

     Sounds like the same problem I had with my H55 with original BIOS and RAM compatibility. BIOS updates include memory compatibility so it's recommended you update BIOS for that reason. I had an H57M-ED but it came with BIOS 1.3 and didn't have that problem. That being said I prefer the Crucial RAM you see in my signature for the H55/H57 MB's.
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  • Is it possible to speed up CPU intensive tasks....

    ...using the GPU or another mac computer as a supplement using FireWire 800 as a connection.
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    I wasn't really referring to controlling the amount of CPU each application might use.
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  • Memory Speed loss with CPU upgrade 2.6 - 3.0

    I have a n 875P Neo board with 2 banks 512m DDR400  
    I have just upgraded my cpu from 2.6G (800 FSB)  to 3.0G (800FSB)
    My BIOS is ver 1.8 (8/9/ 2003)
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    Sysoft Sandra Memory Benchmark shows to memory timings to be about 25% lower than expected
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    Thanks
    M Miller

    The 875P Neo and 865PE Neo2 boards are kissing cousins   They have a lot in common.
    It would help if you create a signature and put all your hardware information in it. Things like what type of video card and what type of ram all have an impact on what performance modes you can operate under. See the Rules at the top for what to include and how to do it.
    You should also read  P4 Neo Unofficial Guide and  Moan Guide.

  • Memory Speed Wrong In Cpu-z I have ddr533

    Sorry for the double post didnt mean to do that
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    UnderTheSun,
    I can run 3-4-3-7 with SPD set manually with PAT=normal(Disable) and read the same on CPUZ using Bios 3.6, are you always get 3-4-4-8 wiht SPD setting manually?
    I dont have this problem with FSB above 250 mHz (testing with CC I can reach FSB 261 mHz)
    On what FSB did you have CAS set to 2.5 on Bios, since even I set it manually on bios with CAS value 2.5 the CPUZ is always read 3 with PAT=normal(disable).
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    I cannot change the CAS value to 2.5 with this mobo as shown on the following link,
    http://www.anandtech.com/memory/showdoc.html?i=1867
    I would like to try OCZ PC3700 Rev.2 EL Gold Edition which in my opinion working best with this 'P' series regarding DOT and manual OCing as shown in the following link,
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    According to OCZ office this DDR is discontinued so I need to find it on the online store and hope can get it.
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  • CPU intensive query

    Hi,
    on 11g R2 64 bits on Win 2008 R2, when query runs CPU is used at 100%.
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    Event                                 Waits     Time(s)   (ms)   time Wait Class
    DB CPU                                            2,805          80.1
    db file sequential read               5,189         100     19    2.8 User I/O
    direct path read                      1,633           9      5     .2 User I/O
    log file sync                         1,245           7      5     .2 Commit
    db file scattered read                   73           2     24     .0 User I/O
    Host CPU (CPUs:    1 Cores:    1 Sockets:    1)And SQL Tunning job, when ran said :
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    Schema Name: userSQL ID     : ad7t7wmzzdfmu
    SQL Text   : SELECT * FROM VW_I
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    Is there any utility in Win 2008 or Oracle to check the threads from the Windows side ?
    Thank you.

    Thanks to all.
    my explain plan is too large and we are limited to 30000 characthers. What can I do ? Here is a part
    | Id  | Operation                          | Name               | Rows  | Bytes | Cost (%CPU)|                                             
    |   0 | SELECT STATEMENT                   |                    |     1 |   255 |  1009   (0)|                                             
    |   1 |  TABLE ACCESS BY INDEX ROWID       | PS_NAME_PREFIX_LNG |     1 |    12 |     1   (0)|                                             
    |*  2 |   INDEX UNIQUE SCAN                | PS_NAME_PREFIX_LNG |     1 |       |     0   (0)|                                             
    |   3 |  TABLE ACCESS BY INDEX ROWID       | PS_PERSONAL_PHONE  |     1 |    29 |     2   (0)|                                             
    |*  4 |   INDEX UNIQUE SCAN                | PS_PERSONAL_PHONE  |     1 |       |     1   (0)|                                             
    |   5 |  TABLE ACCESS BY INDEX ROWID       | PS_EMAIL_ADDRESSES |     1 |    37 |     2   (0)|                                             
    |*  6 |   INDEX UNIQUE SCAN                | PS_EMAIL_ADDRESSES |     1 |       |     1   (0)|                                             
    |   7 |  SORT UNIQUE                       |                    |     1 |    24 |     8  (13)|                                             
    |   8 |   TABLE ACCESS BY INDEX ROWID      | PS_WKF_CNT_TYPE    |     1 |    24 |     3   (0)|                                             
    |*  9 |    INDEX RANGE SCAN                | PS_WKF_CNT_TYPE    |     1 |       |     2   (0)|                                             
    |  10 |     SORT AGGREGATE                 |                    |     1 |    20 |            |                                             
    |* 11 |      INDEX RANGE SCAN              | PS_WKF_CNT_TYPE    |     1 |    20 |     2   (0)|                                             
    |* 12 |  INDEX RANGE SCAN                  | PS_WKF_CNT_TYPE    |     1 |    20 |     2   (0)|                                             
    |  13 |   SORT AGGREGATE                   |                    |     1 |    20 |            |                                             
    |* 14 |    INDEX RANGE SCAN                | PS_WKF_CNT_TYPE    |     1 |    20 |     2   (0)|                                             
    |* 15 |  TABLE ACCESS BY INDEX ROWID       | PS_DEPT_TBL        |     1 |    28 |     3   (0)|                                             
    |* 16 |   INDEX RANGE SCAN                 | PS4DEPT_TBL        |     1 |       |     2   (0)|                                             
    |  17 |    SORT AGGREGATE                  |                    |     1 |    21 |            |                                             
    |* 18 |     INDEX RANGE SCAN               | PS_DEPT_TBL        |     1 |    21 |     2   (0)|                                             
    |* 19 |  TABLE ACCESS BY INDEX ROWID       | PS_DEPT_TBL        |     1 |    28 |     3   (0)|                                             
    |* 20 |   INDEX RANGE SCAN                 | PS4DEPT_TBL        |     1 |       |     2   (0)|                                             
    |  21 |    SORT AGGREGATE                  |                    |     1 |    21 |            |                                             
    |* 22 |     INDEX RANGE SCAN               | PS_DEPT_TBL        |     1 |    21 |     2   (0)|                                             
    |* 23 |  TABLE ACCESS BY INDEX ROWID       | PS_DEPT_TBL        |     1 |    28 |     3   (0)|                                             
    |* 24 |   INDEX RANGE SCAN                 | PS4DEPT_TBL        |     1 |       |     2   (0)|                                             
    |  25 |    SORT AGGREGATE                  |                    |     1 |    21 |            |                                             
    |* 26 |     INDEX RANGE SCAN               | PS_DEPT_TBL        |     1 |    21 |     2   (0)|                                             
    |* 27 |  TABLE ACCESS BY INDEX ROWID       | PS_DEPT_TBL        |     1 |    28 |     3   (0)|                                             
    |* 28 |   INDEX RANGE SCAN                 | PS4DEPT_TBL        |     1 |       |     2   (0)|                                             
    |  29 |    SORT AGGREGATE                  |                    |     1 |    21 |            |                                             
    |* 30 |     INDEX RANGE SCAN               | PS_DEPT_TBL        |     1 |    21 |     2   (0)|                                             
    |  31 |  SORT AGGREGATE                    |                    |     1 |    28 |            |                                             
    |* 32 |   TABLE ACCESS BY INDEX ROWID      | PS_DEPT_TBL        |     1 |    28 |     8   (0)|                                             
    |* 33 |    INDEX RANGE SCAN                | PS_DEPT_TBL        |     1 |       |     7   (0)|                                             
    |  34 |     SORT AGGREGATE                 |                    |     1 |    21 |            |                                             
    |* 35 |      INDEX RANGE SCAN              | PS_DEPT_TBL        |     1 |    21 |     2   (0)|                                             
    |* 36 |  TABLE ACCESS BY INDEX ROWID       | PS_DEPT_TBL        |     1 |    28 |     3   (0)|                                             
    |* 37 |   INDEX RANGE SCAN                 | PS4DEPT_TBL        |     1 |       |     2   (0)|                                             
    |  38 |    SORT AGGREGATE                  |                    |     1 |    21 |            |                                             
    |* 39 |     INDEX RANGE SCAN               | PS_DEPT_TBL        |     1 |    21 |     2   (0)|                                             
    |* 40 |  FILTER                            |                    |       |       |            |                                             
    |  41 |   NESTED LOOPS                     |                    |     1 |   255 |    77   (0)|                                             
    |  42 |    NESTED LOOPS                    |                    |     1 |   218 |    76   (0)|                                             
    |  43 |     NESTED LOOPS                   |                    |     1 |   192 |    74   (0)|                                             
    |  44 |      MERGE JOIN CARTESIAN          |                    |     1 |   101 |    72   (0)|                                             
    |  45 |       NESTED LOOPS                 |                    |     1 |    75 |    69   (0)|                                             
    |  46 |        NESTED LOOPS                |                    |     3 |   165 |    63   (0)|                                             
    |  47 |         TABLE ACCESS BY INDEX ROWID| PS_NAMES           |     3 |   120 |    60   (0)|                                             
    |* 48 |          INDEX SKIP SCAN           | PSANAMES           |     3 |       |    57   (0)|                                             
    |  49 |           SORT AGGREGATE           |                    |     1 |    19 |            |                                             
    |* 50 |            INDEX RANGE SCAN        | PS_NAMES           |     1 |    19 |     2   (0)|                                             
    |  51 |         TABLE ACCESS BY INDEX ROWID| PS_PERSON          |     1 |    15 |     1   (0)|                                             
    |* 52 |          INDEX UNIQUE SCAN         | PS_PERSON          |     1 |       |     0   (0)|                                             
    |  53 |        TABLE ACCESS BY INDEX ROWID | PS_PERS_DATA_EFFDT |     1 |    20 |     2   (0)|                                             
    |* 54 |         INDEX RANGE SCAN           | PS_PERS_DATA_EFFDT |     1 |       |     1   (0)|                                             
    |  55 |          SORT AGGREGATE            |                    |     1 |    15 |            |                                             
    |* 56 |           INDEX RANGE SCAN         | PS_PERS_DATA_EFFDT |     1 |    15 |     2   (0)|                                             
    |  57 |       BUFFER SORT                  |                    |  1013 | 26338 |    70   (0)|                                             
    |  58 |        INDEX FAST FULL SCAN        | PS4DEPT_TBL        |  1013 | 26338 |     3   (0)|                                             
    |* 59 |      TABLE ACCESS BY INDEX ROWID   | PS_JOB             |     1 |    91 |     2   (0)|                                             
    |* 60 |       INDEX RANGE SCAN             | PS1JOB             |     1 |       |     1   (0)|                                             
    |* 61 |        TABLE ACCESS BY INDEX ROWID | PS_JOB             |     1 |    26 |     3   (0)|                                             
    |* 62 |         INDEX RANGE SCAN           | PSAJOB             |     1 |       |     2   (0)|                                             
    |  63 |          SORT AGGREGATE            |                    |     1 |    17 |            |                                             
    |* 64 |           INDEX RANGE SCAN         | PSAJOB             |     4 |    68 |     2   (0)|                                             
    |  65 |          SORT AGGREGATE            |                    |     1 |    20 |            |                                             
    |* 66 |           INDEX RANGE SCAN         | PSAJOB             |     1 |    20 |     2   (0)|                                             
    |  67 |        SORT AGGREGATE              |                    |     1 |    17 |            |                                             
    |* 68 |         INDEX RANGE SCAN           | PSAJOB             |     4 |    68 |     2   (0)|                                             
    |  69 |        SORT AGGREGATE              |                    |     1 |    20 |            |                                             
    |* 70 |         INDEX RANGE SCAN           | PSAJOB             |     1 |    20 |     2   (0)|                                             
    |  71 |     TABLE ACCESS BY INDEX ROWID    | PS_JOBCODE_TBL     |     1 |    26 |     2   (0)|                                             
    |* 72 |      INDEX RANGE SCAN              | PS_JOBCODE_TBL     |     1 |       |     1   (0)|                                             
    |  73 |       SORT AGGREGATE               |                    |     1 |    20 |            |                                             
    |* 74 |        INDEX RANGE SCAN            | PS_JOBCODE_TBL     |     1 |    20 |     2   (0)|                                             
    |  75 |    TABLE ACCESS BY INDEX ROWID     | PS_JOB_CL_I        |     1 |    37 |     1   (0)|                                             
    |* 76 |     INDEX UNIQUE SCAN              | PS_JOB_CL_I        |     1 |       |     0   (0)|                                             
    |  77 |   SORT AGGREGATE                   |                    |     1 |    21 |            |                                             
    |* 78 |    INDEX RANGE SCAN                | PS_DEPT_TBL        |     1 |    21 |     2   (0)|                                             
    Predicate Information (identified by operation id):                                                                                        
       2 - access("L"."NAME_PREFIX"=:B1 AND "L"."LANGUAGE_CD"='FRA')                                                                           
       4 - access("F"."EMPLID"=:B1 AND "F"."PHONE_TYPE"='BUSN')                                                                                
       6 - access("G"."EMPLID"=:B1 AND "G"."E_ADDR_TYPE"='BUSN')                                                                               
       9 - access("H"."EMPLID"=:B1 AND "H"."CONTRACT_NUM"=:B2)                                                                                 
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                  MAX(SYS_OP_UNDESCEND(SYS_OP_DESCEND("EFFDT"))) FROM SYSADM."PS_WKF_CNT_TYPE" "W"                                             
                  WHERE SYS_OP_DESCEND("EFFDT") IS NOT NULL AND                                                                                
                  SYS_OP_DESCEND("EFFDT")>=SYS_OP_DESCEND(TO_DATE(TO_CHAR(SYSDATE@!,'YYYY-MM-DD'),'YYYY-                                       
                  MM-DD')) AND "W"."CONTRACT_NUM"=:B1 AND "W"."EMPLID"=:B2 AND                                                                 
                  SYS_OP_UNDESCEND(SYS_OP_DESCEND("EFFDT"))<=TO_DATE(TO_CHAR(SYSDATE@!,'YYYY-MM-DD'),'YY                                       
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