Difference: PeanutButterTortoise (1 vs. 36)

Revision 362008-04-18 - StanPark

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META TOPICPARENT name="StanPark"
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  Made this wiki page today. -- StanPark - 23 Mar 2008
Deleted:
<
<

META PREFERENCE name="ALLOWTOPICCHANGE" title="ALLOWTOPICCHANGE" type="Set" value="ChetanBhole, StanPark, AmalFahad, XiaomingGu, ChenDing"
META PREFERENCE name="ALLOWTOPICVIEW" title="ALLOWTOPICVIEW" type="Set" value="ChetanBhole, StanPark, AmalFahad, XiaomingGu, ChenDing"

Revision 352008-04-13 - StanPark

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META TOPICPARENT name="StanPark"
Line: 80 to 80
 

Added:
>
>
Time open: 800PM

Developers: Chetan, Stan

Tasks:

  • Merge code

Change log:

  • Merged branches in merge_output()
  • Merged Chetan's rem_red_code() pass. Currently not working.

Open issues:

  • rem_red_code() doesn't alter the CFG as expected.
  • num_uses now returns incorrect value. For Chetan's value numbering, the use_stmt must have exactly one parent with exactly one use for the propagation to be correct. Modify num_uses to return this information. Possibly add a function num_parents.

Time close: 1000PM

  •  Time open: 350PM

    Developers: Stan

    Revision 342008-04-12 - ChetanBhole

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    META TOPICPARENT name="StanPark"
    Line: 39 to 39
     

    Added:
    >
    >

    Session Summaries

    080412

    • Time open: 1:00AM

      Developers: Chetan

      Tasks:

      • Finish the case for multiply
      • Remove bug for passing variable as index in array

      Change log:

      • Finished the code for multiply like cases that don't have any printfs in the code
      • Removed bug for passing variables in array (wasn't condiering PARM_DECL)

      Open issues:

      • Node

      Time close: 5:00AM

     
    Deleted:
    <
    <

    Session Summaries

     

    080411

      Revision 332008-04-11 - StanPark

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      META TOPICPARENT name="StanPark"
      Line: 43 to 43
       

      Session Summaries

      Added:
      >
      >

      080411

      • Time open: 350PM

        Developers: Stan

        Tasks:

        • Simplify type-casting stmts

        Change log:

        • Added function simple_cast():
          • Combines statements of the form "a.0 = a; a.1 = (cast) a.0;" to "a.1 = (cast) a;"

        Open issues:

        • num_uses now returns incorrect value. For Chetan's value numbering, the use_stmt must have exactly one parent with exactly one use for the propagation to be correct. Modify num_uses to return this information. Possibly add a function num_parents.

        Time close: 442PM

       

      080409

        Revision 322008-04-10 - StanPark

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        META TOPICPARENT name="StanPark"
        Line: 43 to 43
         

        Session Summaries

        Added:
        >
        >

        080409

        • Time open: 200PM

          Developers: Chetan, Stan

          Tasks:

          • Fix bugs in defuse
          • Finish builtin_puts merge

          Change log:

          • In merge_output():
            • Finished merging for output sequences of only builtin_puts
          • In find_uses():
            • Stmt of the format "x = fn()" are initially marked.

          Open issues:

          • Some function calls are now doubled since dead code marks extra stmts. Chetan needs to remove these himself when doing value numbering.
          • num_uses now returns incorrect value. For Chetan's value numbering, the use_stmt must have exactly one parent with exactly one use for the propagation to be correct. Modify num_uses to return this information. Possibly add a function num_parents.

          Time close: 322PM

         

        080408

          Revision 312008-04-09 - ChetanBhole

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          META TOPICPARENT name="StanPark"
          Line: 67 to 67
           Time close: 1038PM
          Added:
          >
          >

        • Time open: 600PM

          Developers: Chetan

          Tasks:

          • Make sure code is legal and add array optimizations

          Change log:

          • Removed possible areas where arrays are propagated which will make the code illegal.
          • Added code to allow passing variables in global array indices.

          Open issues:

            None

          Time close: 630PM

        •  

          080405

          Revision 302008-04-09 - StanPark

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          META TOPICPARENT name="StanPark"
          Line: 43 to 43
           

          Session Summaries

          Added:
          >
          >

          080408

          • Time open: 800PM

            Developers: Stan

            Tasks:

            • Fix bugs in defuse

            Change log:

            • In find_uses():
              • Added TREE_CODE checks for relational ops and logical ops in a MODIFY_EXPR. Should fix case of infinite loop.
            • Added function merge_output() to merge builtin_puts and printf. NOT WORKING.

            Open issues:

            • merge_output() causes internal compiler fault.
            • num_uses now returns incorrect value. For Chetan's value numbering, the use_stmt must have exactly one parent with exactly one use for the propagation to be correct. Modify num_uses to return this information. Possibly add a function num_parents.

            Time close: 1038PM

           

          080405

            Revision 292008-04-06 - StanPark

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            META TOPICPARENT name="StanPark"
            Line: 43 to 43
             

            Session Summaries

            Added:
            >
            >

            080405

            • Time open: 900PM

              Developers: Stan

              Tasks:

              • Fix bugs in defuse

              Change log:

              • In find_uses():
                • Due to variable propagation, array references can be found in an IF condition. find_uses doesn't check for array in a COND_EXPR. Fixed.
                • Added handling for VAR_DECL instead of a relational expression in COND_EXPR
              • Commented out Amal's const prop into COND_EXPRs sicne it seems to be causing some problems.

              Open issues:

              • num_uses now returns incorrect value. For Chetan's value numbering, the use_stmt must have exactly one parent with exactly one use for the propagation to be correct. Modify num_uses to return this information. Possibly add a function num_parents.

              Time close: 1021PM

             

            080404

              Revision 282008-04-05 - StanPark

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              META TOPICPARENT name="StanPark"
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              080404

                Added:
                >
                >
              • Time open: 800PM

                Developers: Stan

                Tasks:

                • Fix bugs in defuse

                Change log:

                • Added #define BUF 100 for Amal's char arrays.
                • In find_uses():
                  • Added finer grained defuse for arrays in MODIFY_EXPR case
                  • Doesn't immediately add defining block to path list anymore. If a block is its own successor, we want to reiterate through it to catch uses before the def (loops). This resolves a case of an infinite loop.

                Open issues:

                • num_uses now returns incorrect value. For Chetan's value numbering, the use_stmt must have exactly one parent with exactly one use for the propagation to be correct. Modify num_uses to return this information. Possibly add a function num_parents.

                Time close: 1051PM

              • Time open: 700PM

                Attendees: Amal, Chetan, Stan

                Minute taker: Stan

                Agenda:

                • Discuss open issues
                • Results from hidden benchmarks

                Discussion:

                • Infinite loop on hidden test case may be from deleting a var that is used repeatedly in a loop

                Conclusions:

                • Should implement but currently low priority: merging output stmts

                Open issues:

                • Unable to reproduce internal compiler error and runtime seg fault.

                Time close: 800PM

              •  
              • Time: 300AM
              • Revision 272008-04-04 - StanPark

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                META TOPICPARENT name="StanPark"
                Line: 34 to 34
                 
              • Brainstorm for ideas for improving performance of the system.
              • Added:
                >
                >

                 

                Session Summaries

                Changed:
                <
                <

                080404, 3:00 am :

                generated Gimple code revision:
                >
                >

                080404

                • Time: 300AM

                  Developers: Amal

                  Tasks:

                  • Generate Gimple code revision

                  Change log:

                  • None.

                  Open issues:

                 
                • Sort insertion:
                  Line: 56 to 76
                   

                  Added:
                  >
                  >
                  Time close: ?
                   
                  Added:
                  >
                  >
                  -- Adjusted formatting. StanPark - 04 Apr 2008
                   
                  Added:
                  >
                  >
                   
                  Changed:
                  <
                  <

                  Session Summaries

                  >
                  >
                   

                  080401

                    Revision 262008-04-04 - AmalFahad

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                    META TOPICPARENT name="StanPark"
                    Line: 36 to 36
                     

                    Session Summaries

                    Added:
                    >
                    >

                    080404, 3:00 am :

                    generated Gimple code revision:
                    • Sort insertion:
                      • handle cases like i.0= i; x= arr[i.0] this is appear like 6 times in the insertsort function
                    • Tax
                      • D.1234 =line1+line2; printf (" ",D1.1234 ) is it easy to handle though ?
                      • d = 7350; again d=7350; should be removed although these two statements appeared in two different blocks .
                    • Trivia :
                      • x/1 should be handled, what about x+0, x-0, x*1 is it already handled by the compiler or not
                      • cases like a.0/a.0 converted to a/a , but that didn't change to 1, other cases where we have c/c was converted correctly to 1
                      • c= 500+500 should be folded, where the statement was c+500

                    Session Summaries

                     

                    080401

                      Revision 252008-04-02 - AmalFahad

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                      META TOPICPARENT name="StanPark"
                      Line: 130 to 130
                       
                      • handle the global variable
                      • and check the code on the different open test cases
                      Deleted:
                      <
                      <
                      • the first test case Fibonaccia, the count i got: 319
                      • the second test case Jacobi the count I got: 788995
                      • the third test case mandel the count I got: 1784219
                      • the fourth test case automaton the count I got: 31
                      • the fourth test case movingedge the count I got:235
                      • the fourth test case sort the count I got: 1478
                       

                      Revision 242008-04-02 - StanPark

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                      META TOPICPARENT name="StanPark"
                      Line: 36 to 36
                       

                      Session Summaries

                      Added:
                      >
                      >

                      080401

                      • Time: 900PM

                        Attendees/Developers: Amal, Chetan, Stan

                        Minute taker: Stan

                        Agenda:

                        • Code Merge

                        Discussion/Change log:

                        • Merged
                        • Made minor change to initialization of "main_bb_extension". Was causing seg fault when run with the other passes

                        Conclusions:

                        • automaton 100
                        • binrep 73
                        • fibonacci 1068
                        • jacobi 11511837
                        • mandel 6259678
                        • moving edge 1309
                        • multiply 152
                        • sort 10974
                        • sort_insertion 2913
                        • tax 135
                        • trivia 49

                        Open issues:

                        • None. Booyeah.

                        Time close: 1002PM

                       

                      080330

                        Revision 222008-03-31 - ChetanBhole

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                        META TOPICPARENT name="StanPark"
                        Line: 11 to 11
                         Team Members : Roles
                        • Chetan Bhole : Team Lead, Developer, Tester
                        Changed:
                        <
                        <
                      • Stan Park : Tester, Reporter
                      • >
                        >
                      • Stan Park : Developer, Integrator, Tester, Reporter
                      •  
                      • Amal Fahad : Developer, GCC Guru
                      • Line: 38 to 38
                         

                        080330

                          Added:
                          >
                          >
                        • Time open: 1000PM

                          Developers:Chetan

                          Tasks:

                          • Correct more bugs in value numbering
                          • Remove chain effects
                          • Look into combining _buildin_puts and printf

                          Change log:

                          • Corrected the value numbering to work properly and optimize to handle constants.
                          • Added code in the value numbering to propagate variables on the condition that atleast one of the statements in of the type x=y or return(x).

                          Open issues:

                          • Still need to use Stan's defuse_count to propagate functions and binary operator expressions used only once.
                          • Still need to look into _buildin_puts and printf.

                          Time close: 1030PM

                        •  
                        • Changed:
                          <
                          <
                          Time open: 9PM
                          >
                          >
                          Time open: 900PM
                            Developer: Amal

                          Revision 212008-03-31 - StanPark

                          Line: 1 to 1
                           
                          META TOPICPARENT name="StanPark"
                          Line: 70 to 70
                           
                        • the fourth test case movingedge the count I got:235
                        • the fourth test case sort the count I got: 1478
                        • Changed:
                          <
                          <
                          >
                          >
                           

                          Revision 202008-03-31 - AmalFahad

                          Line: 1 to 1
                           
                          META TOPICPARENT name="StanPark"
                          Line: 62 to 62
                           
                          • handle the global variable
                          • and check the code on the different open test cases
                          Changed:
                          <
                          <
                          >
                          >
                          • the first test case Fibonaccia, the count i got: 319
                          • the second test case Jacobi the count I got: 788995
                          • the third test case mandel the count I got: 1784219
                          • the fourth test case automaton the count I got: 31
                          • the fourth test case movingedge the count I got:235
                          • the fourth test case sort the count I got: 1478
                           
                          Added:
                          >
                          >
                           

                          Revision 182008-03-31 - StanPark

                          Line: 1 to 1
                           
                          META TOPICPARENT name="StanPark"
                          Line: 53 to 53
                           
                        • also check if any of the function arguments might be substituted with a constant.
                        • handle a case:
                          • Changed:
                            <
                            <
                          • b=10;
                          • c=5;
                          • a=b+c;
                          • >
                            >
                          • b=10;
                          • c=5;
                          • a=b+c;
                          •   the code I have will generate a=10 and add a to the set of the constant list , and the const_propagation function will be called again just in case a occur some where else later and can be substitute again by 10. what I need handle also :
                            Line: 63 to 63
                             
                          • handle the global variable
                          • and check the code on the different open test cases
                          • Added:
                            >
                            >
                             
                            Changed:
                            <
                            <

                            080330

                              >
                              >
                            • Time open: 840PM

                              Developers:Stan

                              Tasks:

                              • Modify defuse construction to add information about number of uses
                              • Add pass to fold "a & 1" and "a/a"
                              • Write specific test cases to exercise the passes.

                              Change log:

                              • Added "static int num_defuses(defuse_list_t *defuse_list, tree used)": Given a stmt "used", which is assumed to be of the form "x = a", returns the number of uses of "a"
                              • Added "static void mega_fold(void)": Pass to handle folding for "a/a", "a&1", "1&a", "a%a". All code for manipulation is in place but only "&" works.

                              Open issues:

                              • Cannot currently determine the type of the operands in "/" and "%" so the folding isn't carried out.

                              Time close: 1050PM

                            •  
                            • Time open: 745PM
                            • Revision 172008-03-31 - AmalFahad

                              Line: 1 to 1
                               
                              META TOPICPARENT name="StanPark"
                              Line: 35 to 35
                               

                              Session Summaries

                              Added:
                              >
                              >

                              080330

                              • Time open: 9PM

                                Developer: Amal

                                Constant propagation part:

                                the code I have now is able to:

                                • propagate constant within a block
                                • propagate a constant between continuous blocks as long as it appears in the set of all previous blocks of our block, and being assigned the same value in all, and not being killed in any of them
                                • also check if any of the function arguments might be substituted with a constant.
                                • handle a case:
                                  • b=10;
                                  • c=5;
                                  • a=b+c; the code I have will generate a=10 and add a to the set of the constant list , and the const_propagation function will be called again just in case a occur some where else later and can be substitute again by 10.
                                  what I need handle also :
                                  • handle the global variable
                                  • and check the code on the different open test cases
                               

                              080330

                                Revision 162008-03-31 - StanPark

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                                META TOPICPARENT name="StanPark"
                                Line: 36 to 36
                                 

                                Session Summaries

                                Added:
                                >
                                >

                                080330

                                • Time open: 745PM

                                  Attendees: Amal, Chetan, Stan

                                  Minute taker: Stan

                                  Agenda:

                                  • Discuss current status of const prop and VN
                                  • Identify some cases for further optimatization

                                  Discussion:

                                  • GCC will fold binary exprs involving 0 and 1 except for "a & 1" and "a/a"
                                  • VN for individual variables, more like propagation for particular variables

                                  Conclusions:

                                  • AI[4] for Stan: Add a pass to handle "a & 1" and "a/a"
                                  • AI[5] for Stan: Modify defuse construction to include information needed by Chetan's variable propagation.

                                  Open issues:

                                  • VN isn't handling both operands of a binary expr

                                  Time close: 834PM

                                 

                                080329

                                  Revision 152008-03-30 - StanPark

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                                  META TOPICPARENT name="StanPark"
                                  Line: 40 to 40
                                   

                                  Added:
                                  >
                                  >
                                  Time open: 940PM

                                  Developers: Stan

                                  Tasks:

                                  • Add optimization pass to remove stmts of the format "x=x" which are generated by VN but not removed by dead code elimination.

                                  Change log:

                                  • Added pass "self_assign()" which removes stmts of the format "x=x"

                                  Open issues:

                                  • None.

                                  Time close: 945PM

                                •  Time: 700PM

                                  Attendees: Amal, Chetan, Stan

                                  Revision 142008-03-29 - StanPark

                                  Line: 1 to 1
                                   
                                  META TOPICPARENT name="StanPark"
                                  Line: 40 to 40
                                   

                                  Added:
                                  >
                                  >
                                  Time: 700PM

                                  Attendees: Amal, Chetan, Stan

                                  Minute taker: Stan

                                  Agenda:

                                  • Go over pre-pass gimple code to look for missed optimizations.

                                  Discussion:

                                  • Constant prop is not folding stmts
                                  • Unary ops not handled in VN
                                  • AI[1] complete. Benchmark results posted earlier.

                                  Conclusions:

                                  • AI[2] for ALL: fix bugs in current optimizations
                                  • AI[3] for Stan: develop comprehensive test program to try to exercise the optimizations.

                                  Open issues:

                                  • DVN or SVN?
                                  • Additional optimizations?
                                  • Need more peanut butter.

                                  Time close: 749PM

                                •  Time open: 300PM

                                  Developers: Stan

                                  Revision 132008-03-29 - StanPark

                                  Line: 1 to 1
                                   
                                  META TOPICPARENT name="StanPark"
                                  Line: 36 to 36
                                   

                                  Session Summaries

                                  Added:
                                  >
                                  >

                                  080329

                                  • Time open: 300PM

                                    Developers: Stan

                                    Tasks:

                                    • Merge updated VN and const prop
                                    • Make defuse and dead code marking more intelligent for arrays
                                    • Recheck some benchmarks

                                    Change log:

                                    • Updated Chetan's VN
                                    • Updated Amal's const prop
                                    • Modified find_uses():
                                      • When checking for the uses of an array, added comparison for base array equality
                                      • Made function calls a def kill for globals
                                      • Made function call with pass-by-ref a def kill
                                    • Modified defuse_list_el_t:
                                      • Added "int global" flag
                                      • Added "int array" flag
                                    • Modified dead_code_elim:
                                      • Removed auto-marking for array accesses
                                      • Added marking for global defs
                                    • trivia benchmark count: 76 -> 73

                                    Open issues:

                                    • jacobi, multiply, and sort benchmarks are unchanged

                                    Time close: 416PM

                                    -- StanPark - 29 Mar 2008

                                   

                                  080328

                                  Revision 122008-03-29 - ChetanBhole

                                  Line: 1 to 1
                                   
                                  META TOPICPARENT name="StanPark"
                                  Line: 36 to 36
                                   

                                  Session Summaries

                                  Added:
                                  >
                                  >

                                  080328

                                  • Time open: 500PM

                                    Developers: Chetan

                                    Change log:

                                    • Corrected value numbering to take care of global variables.
                                    • Removed a bug to now detect constants in the modify expression.
                                    • Created gimple output files for the given open test cases to analyse for optimization

                                    Open issues:

                                    • Will we need to take care of value numbering for functions other than printf and scanf for the test cases?

                                    Time close: 515PM

                                    -- ChetanBhole - 28 Mar 2008

                                   

                                  080326

                                    Revision 112008-03-27 - StanPark

                                    Line: 1 to 1
                                     
                                    META TOPICPARENT name="StanPark"
                                    Line: 36 to 36
                                     

                                    Session Summaries

                                    Added:
                                    >
                                    >

                                    080326

                                    • Time open: 800PM

                                      Developers: Chetan, Stan

                                      Tasks:

                                      • Merge code for open benchmarking.

                                      Change log:

                                      • Added Chetan's value numbering to Stan's. Due to bugs, benchmarks were produced using only Stan's code.

                                      Open issues:

                                      • Chetan has unresolved bugs in value numbering.

                                      Time close: 831PM

                                      -- StanPark - 26 Mar 2008

                                    • Time open: 700PM

                                      Attendees: Amal, Chetan, Stan

                                      Minute taker: Stan

                                      Agenda:

                                      • Code merge for initial benchmarks

                                      Discussion:

                                      • Use of VEC or linked lists.
                                      • Use of global structures for holding data flow information

                                      Conclusions:

                                      • AI[1] for Stan, Chetan: For initial benchmarking, use Stan's dead code and constant prop and Chetan's value numbering as well as running Stan's and Chetan's code bases separately.
                                      • Amal will try VEC but has Stan's code for linked lists if necessary.
                                      • Try to keep each pass as independent as possible for debugging purposes, so each pass will keep its own bookkeeping structures.
                                      • AI[2] for ALL: Fix bugs in all passes.

                                      Open issues:

                                      • DVN or SVN?
                                      • Fix bugs in all passes.
                                      • Additional optimizations?
                                      • Need more peanut butter.

                                      Time close: 751PM

                                     

                                    080325

                                    Added:
                                    >
                                    >
                                     Time open: 630PM

                                    Attendees: Chetan, Amal, Stan

                                    Line: 70 to 123
                                     Time close: 706PM

                                    -- StanPark - 25 Mar 2008

                                    Added:
                                    >
                                    >
                                     

                                    080324

                                    Revision 102008-03-25 - StanPark

                                    Line: 1 to 1
                                     
                                    META TOPICPARENT name="StanPark"
                                    Line: 36 to 36
                                     

                                    Session Summaries

                                    Added:
                                    >
                                    >

                                    080325

                                    Time open: 630PM

                                    Attendees: Chetan, Amal, Stan

                                    Minute taker: Stan

                                    Agenda:

                                    • Who has working optimizations
                                    • Code merging

                                    Discussion:

                                    • Chetan has value numbering. Bugs:
                                      • Doesn't include initial constants
                                      • Globals
                                      • Function parameters
                                    • Amal has constant prop. Bugs:
                                      • Constants only propagate from the immediate predecessor
                                    • Stan has dead code elimination. Bugs:
                                      • Immediately marks array accesses

                                    Conclusions:

                                    • None

                                    Open issues:

                                    • DVN or SVN?
                                    • Fix bugs in all passes.
                                    • Additional optimizations?
                                    • Need more peanut butter.

                                    Time close: 706PM

                                    -- StanPark - 25 Mar 2008

                                     

                                    080324

                                    Tag and Naushad stole our idea of having a motto. And they may claim that we will claim that it is stolen. -- StanPark - 24 Mar 2008

                                    Revision 92008-03-25 - ChetanBhole

                                    Line: 1 to 1
                                     
                                    META TOPICPARENT name="StanPark"
                                    Line: 21 to 21
                                     
                                  • Beat hare.
                                  • Added:
                                    >
                                    >

                                    Project Plan

                                    Performance is secondary. The main goal is to try to have correct code.

                                    The following is the current tentative plan:

                                    • Decide how we will fuse the code created by different team members.
                                    • Find bugs that were present in the system.
                                    • Rectify bugs.
                                    • Brainstorm for ideas for improving performance of the system.
                                     

                                    Session Summaries

                                    080324

                                    Revision 82008-03-25 - ChetanBhole

                                    Line: 1 to 1
                                     
                                    META TOPICPARENT name="StanPark"
                                    Line: 29 to 29
                                     

                                    080323

                                    Changed:
                                    <
                                    <
                                    Made this wiki page with Chetan. -- StanPark - 23 Mar 2008
                                    >
                                    >
                                    Made this wiki page today. -- StanPark - 23 Mar 2008
                                     

                                    Revision 72008-03-25 - StanPark

                                    Line: 1 to 1
                                     
                                    META TOPICPARENT name="StanPark"
                                    Line: 23 to 23
                                     

                                    Session Summaries

                                    Added:
                                    >
                                    >

                                    080324

                                    Tag and Naushad stole our idea of having a motto. And they may claim that we will claim that it is stolen. -- StanPark - 24 Mar 2008

                                     

                                    080323

                                    Made this wiki page with Chetan. -- StanPark - 23 Mar 2008

                                    Revision 62008-03-23 - StanPark

                                    Line: 1 to 1
                                     
                                    META TOPICPARENT name="StanPark"
                                    Added:
                                    >
                                    >
                                     
                                    Added:
                                    >
                                    >

                                    CSC455 - Compilers

                                     
                                    Changed:
                                    <
                                    <
                                    CSC455 - Compilers

                                    Team: Peanut Butter Tortoise

                                    >
                                    >

                                    Team: Peanut Butter Tortoise

                                      "Slow and steady wins the race."
                                    Added:
                                    >
                                    >
                                    Team Members : Roles
                                    • Chetan Bhole : Team Lead, Developer, Tester
                                    • Stan Park : Tester, Reporter
                                    • Amal Fahad : Developer, GCC Guru

                                    Project Vision

                                    • Eat peanut butter.
                                    • Beat hare.

                                    Session Summaries

                                     
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                                    080323

                                     
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                                    Made this wiki page with Chetan. -- StanPark - 23 Mar 2008
                                     
                                    Deleted:
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                                    -- StanPark - 23 Mar 2008
                                     
                                    Changed:
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                                    <
                                    META PREFERENCE name="ALLOWTOPICCHANGE" title="ALLOWTOPICCHANGE" type="Set" value="ChetanBhole, StanPark"
                                    META PREFERENCE name="ALLOWTOPICVIEW" title="ALLOWTOPICVIEW" type="Set" value="ChetanBhole, StanPark"
                                    >
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                                    META PREFERENCE name="ALLOWTOPICCHANGE" title="ALLOWTOPICCHANGE" type="Set" value="ChetanBhole, StanPark, AmalFahad, XiaomingGu, ChenDing"
                                    META PREFERENCE name="ALLOWTOPICVIEW" title="ALLOWTOPICVIEW" type="Set" value="ChetanBhole, StanPark, AmalFahad, XiaomingGu, ChenDing"

                                    Revision 52008-03-23 - StanPark

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                                    META TOPICPARENT name="StanPark"

                                    Revision 42008-03-23 - StanPark

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                                    META TOPICPARENT name="StanPark"
                                    Line: 12 to 11
                                     
                                    Deleted:
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                                    * Set ALLOWTOPICCHANGE = ChetanBhole, StanPark

                                    * Set ALLOWTOPICVIEW = ChetanBhole, StanPark

                                    * Set ALLOWWEBCHANGE = ChetanBhole, StanPark

                                    * Set ALLOWWEBVIEW = ChetanBhole, StanPark

                                      -- StanPark - 23 Mar 2008
                                    Added:
                                    >
                                    >
                                    META PREFERENCE name="ALLOWTOPICCHANGE" title="ALLOWTOPICCHANGE" type="Set" value="ChetanBhole, StanPark"
                                    META PREFERENCE name="ALLOWTOPICVIEW" title="ALLOWTOPICVIEW" type="Set" value="ChetanBhole, StanPark"

                                    Revision 32008-03-23 - StanPark

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                                    META TOPICPARENT name="StanPark"
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                                    * Set ALLOWTOPICVIEW = ChetanBhole, StanPark
                                     
                                    Line: 13 to 11
                                     
                                    Added:
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                                    * Set ALLOWTOPICCHANGE = ChetanBhole, StanPark

                                    * Set ALLOWTOPICVIEW = ChetanBhole, StanPark

                                    * Set ALLOWWEBCHANGE = ChetanBhole, StanPark

                                    * Set ALLOWWEBVIEW = ChetanBhole, StanPark

                                     -- StanPark - 23 Mar 2008 \ No newline at end of file

                                    Revision 22008-03-23 - ChetanBhole

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                                    META TOPICPARENT name="StanPark"
                                    * Set ALLOWTOPICVIEW = ChetanBhole, StanPark

                                    Revision 12008-03-23 - StanPark

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                                    META TOPICPARENT name="StanPark"
                                    * Set ALLOWTOPICVIEW = ChetanBhole, StanPark

                                    CSC455 - Compilers

                                    Team: Peanut Butter Tortoise

                                    "Slow and steady wins the race."

                                    -- StanPark - 23 Mar 2008

                                     
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