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mcherm : virtualmachine   6

Compatibility is Not Transparency: VMM Detection Myths and Realities
In theory, a virtual machine can always fool software running on it. In practice, programs can detect being in even a clever and malicious virtual container if they insist on running on reasonably recent hardware and talking to the outside world.
via:HackerNews  virtualization  virtualmachine  computerscience 
january 2014 by mcherm
Headius: On Languages, VMs, Optimization, and the Way of the World
If the types of values (not variables) are static, dynamic optimization can be pretty good. Some languages do this, others don't.
via:HackerNews  virtualmachine  programming  languagedesign 
august 2013 by mcherm
fixnums in the VM - John Rose @ Sun
About "fixnums" (small numbers stored as what looks like object pointers except that the value is funky which indicates that it's to be interpreted as a number instead) and a highly detailed plan of how they could be added to the JVM.
languagedesign  virtualmachine  programming  via:reddit 
november 2009 by mcherm
Lazy Pythonista: Introduction to Unladen Swallow
A summary of the purpose of Google's planned JIT for CPython, "Unladen Swallow".
programming  python  vm  virtualmachine  jit  compiler  llvm  unladenswallow 
november 2009 by mcherm
Twitter jilts Ruby for Scala • The Register
Apparently Twitter decided that for back-end and middleware stuff, ruby just didn't scale -- largely because of limitations in its VM. So they rewrote it all in Scala and now are big fans. The front end was left in Rails.
scala  twitter  programming  languages  scalability  ruby  virtualmachine 
april 2009 by mcherm

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