+++
title = "Resource constraints"
author = "Yann Herklotz"
tags = []
categories = []
backlinks = ["1c2a2b"]
forwardlinks = []
zettelid = "1c2a2c"
+++

Resource constraints
:   These are the constraints that lead to resource constraint
    managements and the implementation of pipelined operations.

The first important step is to derive a linear order for the operations,
so that one gets a good estimation of the operations in between two
operations. This can be defined by getting the ALAP scheduling and then
the ASAP scheduling for tie breakers.

We then go through the operations of type *res*, and count how many
different operations are in between. If there are $c-1$ operations in
between, where *c* is the maximum number of functional units for *res*,
we can then schedule the operation to start *II* cycles later.