Prism User's Guide - CSAIL People - MIT

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8 Prism User a Guide 8 Prs sr' ud click on TIutorial in the menu. A window will appear with instructions that will guide you through loading, executing, and analyzing a sample program. 2.1 Before Entering Prism 2.1.1 Supported Languages You can work on Fortran, CM Fortran, C, and C* programs within Prism. Performance data is available only for C* and CM Fortran programs. On the CM-5, the C* or CM Fortran program can run either on the nodes or on the vector units. 2.1.2 Compiling and Linking Your Program Note these points in compiling and linking your program: * To use Prism's debugging features, compile and link each program module with the -g compiler option to produce the necessary debugging information. * To obtain performance data about a C* or CM Fortran program, compile it with the -cmprof ile option. For CM-2/200 C* programs, you must not turn off optimization by compiling with the -oo option. * You can combine the -g and -cmprof ile options. For slicewise and CM-5 CM Fortran programs, however, this slows execution and distorts performance data. In CM Fortran programs (both slicewise and Paris) and CM-5 C* programs, you can do some debugging by specifying -cmprofile alone. This can cause problems in setting breakpoints and stepping through a program, however. * To use Prism for a Paris program on a CM-2 or CM-200, you must link with the library libprism2. a. * To use Prism for a C/Paris program, you must include this text on the cc command line: -Zcc -U CC dbx Version 1.2, March 1993 Copyright © 1993 Thinking Machines Corporation
V.` Chapter 2. Using Prism 9 Chptr . sig rim 2.1.3 Setting Up Your Environment To enter the Prism programming environment, you must be logged in to a terminal or workstation running the X Window System (unless you want to run Prism in commands-only mode; see below). * To use a CM-2 or CM-200 series Connection Machine system, you must be logged in to a front end that is connected to a CM. * To use a CM-5, you must be logged in to a CM-5 partition manager. Prism works under these X servers: MT X1llR4 * NCD X11R4 * Silicon Graphics XllR4 Prism works under these window managers: · term * tvtwm · gwm · olwm * uwm Make sure your DISPLAY environment variable is set for the terminal or workstation from which you are running X. For example, if your workstation is named Valhalla, you can issue this command (if you are running the C shell): % setenv DISPLAY valhalla:O Note for CM-2 and CM-200 users: You may want to attach to the CM before entering Prism. Prism provides a utility for attaching to a CM, but you may need more flexibility than this utility provides. For information on the Prism utility, see Section 3.4. For general information on attaching to a CM, see the CM User s Guide. Version 1.2, March 1993 Copyright © 1993 Thinking Machines Corporation
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