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Fabrice Bellard ((:faˈbʁis bɛˈlaʁ)) is a computer programmer who is best known as the creator of the FFmpeg and QEMU software projects. He has also developed a number of other programs, including the Tiny C Compiler. == Life and career == Bellard was born in 1972 in Grenoble, France and went to school in Lycée Joffre (Montpellier), where, at age 17, he created the executable compressor LZEXE.〔(LZEXE project page )〕 After studying at École Polytechnique, he went on to specialize at Télécom Paris in 1996. In 1997, he discovered a new, faster formula to calculate single digits of pi in binary representation, known as Bellard's formula. It is a variant of the Bailey–Borwein–Plouffe formula. Bellard's entries won the International Obfuscated C Code Contest twice:〔(International Obfuscated C Code Contest years page )〕 In 2000, he won in the category "Most Specific Output"〔http://www0.us.ioccc.org/years.html#2000〕 for a program that implemented the modular Fast Fourier Transform and used it to compute the then biggest known prime number, 26972593−1;〔http://www0.us.ioccc.org/2000/bellard.hint〕 and in 2001, he won in the category "Best Abuse of the Rules" for a tiny compiler (the source code being only 3 kB in size) of a strict subset of the C language for i386 Linux. The program itself is written in this language subset, i.e. it is self-hosting. In 2004, he wrote the TinyCC Boot Loader, which can compile and boot a Linux kernel from source in less than 15 seconds.〔(【引用サイトリンク】publisher=Slashdot )〕 In 2005, he designed a system that could act as an Analog or DVB-T Digital TV transmitter by directly generating a VHF signal from a standard PC and VGA card.〔(【引用サイトリンク】title=Digital TV Transmitter using a VGA card )〕 In 2011, he created a minimal PC emulator written in pure JavaScript. The emulated hardware consists of a 32-bit x86 compatible CPU, a 8259 Programmable Interrupt Controller, a 8254 Programmable Interrupt Timer, and a 16450 UART.〔(【引用サイトリンク】publisher=Fabrice Bellard )〕 On 31 December 2009 he claimed the world record for calculations of pi, having calculated it to nearly 2.7 trillion places in 90 days. Slashdot wrote: "While the improvement may seem small, it is an outstanding achievement because only a single desktop PC, costing less than US$3,000, was used—instead of a multi-million dollar supercomputer as in the previous records."〔(New Pi Computation Record Using a Desktop PC ) January 5, 2010〕 On 2 August 2010 this record was eclipsed by Shigeru Kondo who computed 5 trillion digits, although this was done using a server-class machine running dual Intel Xeon processors, equipped with 96 GB of RAM. In 2011 he won a Google–O'Reilly Open Source Award.〔(【引用サイトリンク】title=OSCON 2011: O'Reilly Open Source Awards )〕 In 2014 he proposed the BPG image format as a replacement for JPEG. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Fabrice Bellard」の詳細全文を読む スポンサード リンク
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