books:
Theron - Scala High Performance Programming

articles:
https://infoscience.epfl.ch/record/150134
http://axel22.github.io/2013/11/03/specialization-quirks.html
http://www.scala-archive.org/Java-8-Streams-and-specialization-strategy-td4640007.html

presentations:

plugins:
http://scala-miniboxing.org/
http://scala-miniboxing.org/intro.html
https://github.com/miniboxing/miniboxing-plugin

autospec-dotty:
https://vimeo.com/165928176
https://github.com/dotty-linker/dotty
-lto:spec -lto:all

@specialized
https://github.com/scala/scala/tree/master/src/library/scala/annotation

http://www.scala-lang.org/api/current/scala/Specializable.html
http://www.scala-lang.org/api/current/scala/Specializable$.html

https://github.com/scala/scala/blob/v2.12.1/src/library/scala/Specializable.scala

sample:

case class ShareCount[@specialized(Long, Int) T](value: T)