Using SimpleScalar Simulator at UW

This directory contains the following subdirectories

• simplesin-2.0/: This contains the binaries for the simulator. The one that you need to use is called sim-outorder. This is the detailed microarchitecture simulator which models in detail an out-of-order microprocessor with branch prediction, caches and external memory.
• tests/: This contains pre-compiled executables (for the SS machine) provided with the distribution. These contain simple programs to test the simulator.
• spec95-little/: The SS executables in this directory contain the executables from the SPEC95 benchmark suite. (The "little" refers to the fact that we are using little endian machines.)
• config/: This directory contains the default configuration file. The simulator can be configured by using command-line options or by specifying a configuration file using the command-line option -config <configfilename>
• input/: This contains sample inputs for the various SS executables. For example for the file perl.ss in spec95-little it contains a perl script charcount and an input file for a perl script all_gre_words.
  So to run the above program, the following command needs to be issued in the top-level directory:

  simplesim-2.0/sim-outorder spec95-little/perl.ss inputs/charcount inputs/all_gre_words
  (This takes roughly 10min to execute, so try running some files in tests/ or

  simplesim-2.0/sim-outorder spec95-little/perl.ss -v
  first to get a feel for the kind of output.

Note: The simulator outputs the statistics to stderr not stdout, so piping it to less or redirecting the output will not work. Use
command |& less
or
command >& output-file