doc/manual/install.rst
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Fri, 25 May 2018 18:34:05 +0300
changeset 2168 a66062a205ae
parent 811 66a8812457d6
permissions -rw-r--r--
Build by default with optimization level -O2 for GCC

before -O0 was used by default, that caused pretty bad performance.

Amd64, i6700k, 4200MHz, GNU/Linux (non-RT kernel), gcc 7.2.0

-------------------------------------
Optimization | EN/ENO |no EN/ENO |
-------------------------------------
default | 11 | 9.5 |
-O3 | 3.9 | 5.2 |
-O2 | 4 | 4.8 |
-Os | 4.1 | 3.5 |
-Ofast | 3.9 | 5.2 |
-------------------------------------

ARM, BBB Cortex-A8, 600Mhz, GNU/Linux, gcc 4.6.3

-------------------------------------
Optimization | EN/ENO |no EN/ENO |
-------------------------------------
default | 273 | 226 |
-O3 | 141.8 | 106.2 |
-O2 | 142 | 107 |
-Os | 152.5 | 112.2 |
-Ofast | 141.7 | 106.2 |
-------------------------------------

For embedded systems with size constaints (like Cortex-Mx, AVR and so
on) I usually use -Os. It gets pretty good results. For
GNU/Linux-based systems -O2 is usually a good choice, as you see the
test results.
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Beremiz installation 
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Windows
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Download installer, install. 
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Linux
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Pre-requisites::
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    # Ubuntu/Debian :
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    sudo apt-get install python-wxgtk2.8 pyro mercurial
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    sudo apt-get install build-essential bison flex python-numpy python-nevow
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Prepare::
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    mkdir ~/Beremiz
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    cd ~/Beremiz
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Get Source Code::
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    cd ~/Beremiz
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    hg clone http://dev.automforge.net/beremiz
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    hg clone http://dev.automforge.net/plcopeneditor
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    hg clone http://dev.automforge.net/matiec
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Build MatIEC compiler::
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    cd ~/Beremiz/matiec
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    ./configure
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    make
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Build CanFestival (optional):: 
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    # Only needed for CANopen support. Please read CanFestival 
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    # manual to choose CAN interface other than 'virtual'::
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    cd ~/Beremiz
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    hg clone http://dev.automforge.net/CanFestival-3
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    cd ~/Beremiz/CanFestival-3
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    ./configure --can=virtual
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    make
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Launch Beremiz::
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    cd ~/Beremiz/beremiz
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    python Beremiz.py
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