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LEARN ABOUT DEBIAN

boom

BOOM(1) 						     CAO-VLSI Reference Manual							   BOOM(1)

NAME

       BOOM - BOOlean Minimization

ORIGIN

       This  software  belongs	to  the  ALLIANCE CAD SYSTEM developed by the ASIM team at LIP6 laboratory of Universite Pierre et Marie CURIE, in
       Paris, France.

       Web : http://asim.lip6.fr/recherche/alliance/
       E-mail : alliance-users@asim.lip6.fr

SYNOPSIS

       boom [-VTOAP] [-l num] [-d num] [-i num] [-a num] [-sjbgpwtmorn]
		      filename [outname]

DESCRIPTION

       BOOM is used for the first step of the synthesis process.  It optimizes a behavioural description using a Reduced Ordered  Binary  Decision
       Diagram	representation	of  logic functions.  The file filename is the input behavioural description and must be written in vbe(5) format.
       The resulting behavioural optimized description is saved with the name outname or input_name_o in vbe(5) format.

ENVIRONMENT VARIABLES

       MBK_WORK_LIB(1)
		 indicates the path to the read/write directory for the session.

OPTIONS

       -V	 Verbose mode on.  Each step of the optimization is displayed on the standard output.

       -T	 Trace mode on.  Some debug informations are displayed on the standard output.

       -O	 Reverses initial Bdd variables order.

       -A	 BOOM performs a local optimization and keeps the architecture of the initial description by saving most of the intermediate  sig-
		 nals.	This mode is well-suited for big or regular circuits such as multipliers, adders.  By default BOOM performs a global opti-
		 mization and removes most of the intermediate signals so that the outputs are expressed in terms of the inputs  or  the  internal
		 registers.  This mode is well-suited for random circuits such as FSMs.

       -P	 Uses a parameter file input_name.boom describing optimization directives and constraints.  (see below for the exact syntax)

		 # Example of .boom file

		 #
		 # The list of auxiliary signals that have to be kept
		 # during optimization.
		 # Generally carry signals, ram address signals etc ...
		 #
		 BEGIN_KEEP

		 carry[3:0]
		 ram_address[3:0]

		 END

		 #
		 # The list of auxiliary signals which assigned
		 # expression won't be modified.
		 # Generally it's ram output signals.
		 #
		 BEGIN_DONT_TOUCH
		 ram_out[7:0]
		 END

       -l num	 Specifies the optimization level [0-3] (default is 0, low level).

       -d num	 Specifies the delay optimization percent (default is 0% delay, 100% surface).

       -i num	 Specifies the number of iterations for the choosen optimization algorithm (for experts only).

       -a num	 Specifies the amplitude during bdd reordering (for experts only).

       -sjbgpwtmorn
		 Specifies which algorithm has to be used for the boolean optimization.

SEE ALSO

       boom(5), vbe(5), asimut(1), boog(1), MBK_WORK_LIB(1).

BUG REPORT

       This tool is under development at the ASIM department of the LIP6 laboratory.
       We need your feedback to improve documentation and tools.

ASIM
/LIP6							  August 25, 2000							   BOOM(1)