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BOOM - BOOlean Minimization


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


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.


indicates the path to the read/write directory for the session.


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

-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 signals. This mode is well-
suited for big or regular circuits such as multipliers, adders. By default BOOM
performs a global optimization 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 ...



# The list of auxiliary signals which assigned
# expression won't be modified.
# Generally it's ram output signals.

-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).

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

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