• DOI:10.1002/1096-9128(200005)12:6%3C445::AID-CPE484%3E3.0.CO;2-A
Corpus ID: 324541

The Java memory model is fatally flawed

@article{Pugh2000TheJM,
  title={The Java memory model is fatally flawed},
  author={W. Pugh},
  journal={Concurr. Pract. Exp.},
  year={2000},
  volume={12},
  pages={445-455}
}

• W. Pugh
• Published 2000
• Computer Science
• Concurr. Pract. Exp.

The Java memory model described in Chapter 17 of the Java Language Specification gives constraints on how threads interact through memory. This chapter is hard to interpret and poorly understood; it imposes constraints that prohibit common compiler optimizations and are expensive to implement on existing hardware. Most JVMs violate the constraints of the existing Java memory model; conforming to the existing specification would impose significant performance penalties. In addition, programming… Expand

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