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Always have everything
proven to work

November 27, 2013

Always have everything
proven to work

November 27, 2013

Always have everything
proven to work

November 27, 2013

Always have everything
proven to work

November 27, 2013

Always have everything
proven to work

November 27, 2013

Daniel Stenberg
●

Free Software

●

Network hacker

●

Embedded developer

●

Blabbermouth
Email:
Twitter:
Web:
Blog:

da...

Agenda
●

●

●

●

Some trends in software and open source
backed by some data
How it looks like out there
What's importa...

Feel free to interrupt
Object, ask, comment when you
feel like it.

What's happening now?
●

More of everything!

More devices with CPUs
●

Printers

●

TVs

●

Settop boxes

●

Cars

●

Phones and tablets

●

Fridges, toasters and was...

Devices with CPUs
many

0
1993

2013

More CPUs with software
●

More full fledged CPUs

●

More Linux on your average CPU

●

●

More “common” software in
CPU...

32 bit processors sold
many

0
1993

2013

MIPS per die
many

0
1993

2013

http://www.r-bloggers.com/cpu-and-gpu-trends-over-time/

More software is open
source
●

Embedded OS: 2 to 1

●

Linux is defacto by chip vendors

●

Internet servers

●

Phones,...

The future is open source
2009 26% believed more than 50%
of purchased software will be open
source within 5 years
201...

Open source adoption
many

0
1993

2013

More open source
●

●

The term coined 1998
Number of projects virtually
doubled every year since

More open source
projects
many

0
1993

2013

http://dirkriehle.com/publications/2008-2/the-total-growth-of-open-source/

More open source
projects

http://dirkriehle.com/publications/2008-2/the-total-growth-of-open-source/

Software grows bigger
… and do so very fast

Bigger software: Linux
●

Unix 1.0 (1971) 10,000 lines

●

Linux 2.2 (1999): 2 million lines

●

Linux 2.6.0: 5 million li...

Other big software
●

Eclipse: 20 MLOC

●

Firefox: 9 MLOC

●

Android: 12 MLOC

●

Chrome: 7 MLOC

●

MySQL: 12 MLOC

●

...

Lines of source code
many

0
1993

2013

More releases over time
●

●

Producers and users want tighter
release cycles
Switch hardware platform more
often

●

Us...

Release frequency
●

Linux kernel, every 9 weeks

●

Firefox, every 6 weeks

●

Chrome, every 6 weeks
“We're going to be g...

New products per time
many

0
1993

2013

More

●

More devices with CPUs

●

More CPUs per device

●

More CPUs with software

●

More software is open source

●

...

Tomorrow...
Most of these trends are ongoing
with no signs of slowing down...

Coping
●

Make sure the code is always
good

●

Lower thresholds for releasing

●

Release even more often

●

Use and do...

The 2013 Future of Open Source Survey Results – Black duck

The most important factor
for OSS adoption

Quality in an age of
speed
Nonstop automatic testing
Maintain quality
Be able to release often

Build on every commit

Test on
every
platform

Even crosscompiled
On a fully crosscompiled linux
distro, “make test” isn't straight
forward
Ptest – is one way to fi...

Daily snapshots and git
Kids today wants the latest now.
Give it to them or get replaced.

Let problems be known
●

Alert on IRC

●

Email the proper people

●

Show status on web sites

Fix problems at once
●

Be able to release soon

●

Users will get and use the latest

●

Others will push out their chang...

Summing up
●

●

●

●

●

Everything is happening more and faster
than ever
Software and open source are bigger
than bef...

Thank you!
Questions?
daniel.haxx.se

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