# Controlling the flow of ABINIT

### This page gives hints on how to control the flow of ABINIT with the ABINIT package.

##### Copyright (C) 2016-2017 ABINIT group (XG)

Mentioned in help_features#3.

### Table of content:

- 1. Introduction.
- 2. Related input variables.

### 1. Introduction.

A few input variables governs the possible stopping of ABINIT, or modify details of the ABINIT flow for specific cases.
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### 2. Related input variables.

Useful input variables:

... chkexit [CHecK whether the user want to EXIT]
... cpuh [CPU time limit in Hours]
... cpum [CPU time limit in Minutes]
... cpus [CPU time limit in seconds]

Input variables for experts:

... builtintest [BUIT-IN TEST number]
... mem_test [MEMory TEST]
... papiopt [PAPI OPTion]
... timopt [TIMing OPTion]
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