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             PVM version 3.4:  Parallel Virtual Machine System
                   University of Tennessee, Knoxville TN.
               Oak Ridge National Laboratory, Oak Ridge TN.
                       Emory University, Atlanta GA.
          Authors:  J. J. Dongarra, G. E. Fagg, M. Fischer,
              G. A. Geist, J. A. Kohl, R. J. Manchek, P. Mucci,
             P. M. Papadopoulos, S. L. Scott, and V. S. Sunderam
                       (C) 1997 All Rights Reserved
    
                                  NOTICE
    
     Permission to use, copy, modify, and distribute this software and
     its documentation for any purpose and without fee is hereby granted
     provided that the above copyright notice appear in all copies and
     that both the copyright notice and this permission notice appear in
     supporting documentation.
    
     Neither the Institutions (Emory University, Oak Ridge National
     Laboratory, and University of Tennessee) nor the Authors make any
     representations about the suitability of this software for any
     purpose.  This software is provided ``as is'' without express or
     implied warranty.
    
     PVM version 3 was funded in part by the U.S. Department of Energy,
     the National Science Foundation and the State of Tennessee.
    
    ________________________________________________________________________
    
    This is a supplement to the main Readme file.  The reader should consult
    that file for more information.
    
    
    Table of Contents
    -----------------
    0. What's new
    1. Possible User Specifications - Different Compiler Dependencies
    2. Installation, Environment Settings
    3. Startup Differences compared to the Unix version
    4. Additional Software for WIN32
    5. Further, detailed information
    6. Basic Testing
    7. Fortran Problems
    -----------------
    
    0. What's new.
  
	What we are working on (in WIN32):
  
  	- rshd for convenient startup:
    	Currently users have to install a rshd or rexecd on their 
    	machines which is often Shareware. However some of them do 
    	not follow the BSD specification.
    	Also it is required to specify the location of the daemon 
    	executable which may be installation dependent and different 
    	on other machines.
  
    	We have a rshd in progress which is BSD compliant, but also 
    	converting the $VARIABLES to their corresponding values set 
    	in the registry. This way the daemon location is no longer 
    	needed. However this daemon is allowing only one connection 
    	at a time, but we are working on that.
  
  	- XPVM:
    	XPVM comes with beta6 but is crashing from time to time in its 
    	initialization.
    	This is hard to debug since the SEGV is in the TK library. But
  	probably someone can give us some hints.
  
  	- GUI Console:
    	We would like to integrate all the applications we provide in one 
    	GUI application.
    
  
  	Changes:

	From Beta 6: (09/30/98)

	fortran make files updated to actually work
	win32 beta merged with unix beta into single source PVM version
  
  	From Beta 5: (01/22/98)
  
  	Bug fixes (tracer, console, daemon),
  	Winhelp,
  	XPVM,
  	Static Lib and DLL
  
  	From Beta 4: (09/23/97)
  
  	First InstallShield Version,
  	Use of Registry,
  	Bug fixes.
   	.
  	.
  	.
  
  
    1. Unlike standardized compilers in the Unix world, different flags
       and libs are used for WIN32.  Currently we distinguish between
       Borland 5.0 or VC++ 4.0 or higher.  Thus, a dependency file in
       %PVM_ROOT/conf named WIN32.def can be modified to point to the
       INCLUDE and LIB directories of the installed Compiler.
       It also provides a compiler detection mechanism,
       which works with a normal compiler installation (checking for
       INCLUDE environment variables).
    
    2. The installation is now wizard guided.  Required information is
       stored in the registry.  For manual installation, please see
       the documentation in PVM3.4\WIN32\Installation.doc.

    3. PVM is started by invoking the console command "pvm" with an additional
       hostfile argument which identifies potential resources.  The machine
       on which "pvm" is run for the first time (in a given session) is
       referred to as the "master daemon."  If this machine crashes, your
       PVM virtual machine goes down (a single point of failure).
       The hostfile should be referenced by full path, e.g. pvm d:\hostfile.
    
       Manual adding of hosts is performed by the "add" command in the
       "pvm" console.  Add commands must specify the location of the daemon
       executable, e.g.
    
            pvm> add "hostname dx=d:\pvm3\lib\win32\pvmd3.exe"
    
    4. Rshd or rexecd are required for WINNT, Rshd for WIN95.  This is
       additional (shareware) software that you will find on the WWW,
       as long as MS does not offer its own solution.
       Please note that the rshd is required to run remote processes
       under your account.  If you find pvm{d,l}.System in your PVM_TMP
       directory, then the rshd is NOT working properly.
    
    5. If you are new to PVM, please read the book on PVM or check out the
       user's guide.  You will find it on the PVM homepage at:
    
            http://www.csm.ornl.gov/pvm
    
    6. Before using PVM, you should test the functionality of the additional
       software, e.g.
    
            "rsh remotehost -l login dir | more"
    
       This should show the directory listing of the remote host.  Piping
       to "more" additionally checks for buffered std{io,err}.
    
    7. We are aware of Fortran problems when calling one of the 
       pvm_pk* functions. This is currently an open question.