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- Fabrice Bellard
- USENIX Annual Technical Conference, FREENIX Track
- 2005

We present the internals of QEMU, a fast machine em-ulator using an original portable dynamic translator. It emulates several CPUs (x86, PowerPC, ARM and Sparc) on several hosts (x86, PowerPC, ARM, Sparc, Alpha and MIPS). QEMU supports full system emulation in which a complete and unmodified operating system is run in a virtual machine and Linux user mode… (More)

- Gilles Muller, Bárbara Moura, Fabrice Bellard, Charles Consel
- COOTS
- 1997

The Java language provides a promising solution to the design of safe programs, with an application spectrum ranging from Web services to operating system components. The well-known tradeoo of Java's portabil-ity is the ineeciency of its basic execution model, which relies on the interpretation of an object-based virtual machine. Many solutions have been… (More)

The Java language provides a promising solution to the design of safe programs, with an application spectrum ranging from Web services to operating system components. The well-known tradeoo of Java's portabil-ity is the ineeciency of its basic execution model, which relies on the interpretation of an object-based virtual machine. Many solutions have been… (More)

- Fabrice Bellard
- 2010

This article describes some of the methods used to get the world record of the computation of the digits of π digits using an inexpensive desktop computer. 1 Notations We assume that numbers are represented in base B with B = 2 64. A digit in base B is called a limb. M (n) is the time needed to multiply n limb numbers. We assume that M (Cn) is approximately… (More)

One of the most amazing mathematical results of the last few years was the discovery of a surprisingly simple formula for computing digits of the number pi. Unlike previously known methods, this one allows you to calculate isolated digits—without computing and keeping track of all the preceding numbers. "No one had previously even conjectured that such a… (More)

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