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The official unveiling of the Xbox 360 occurred the same day on MTV in a program called MTV Presents: The Next Generation Xbox Revealed. The end of OurColony came on May 12, 2005, with the release of a video where J Allard of Microsoft showed off the Xbox 360 console. Throughout March and April it offered challenges to its community, rewarding solutions with cropped pictures of the console and game screenshots. LaunchMain article: Xbox 360 launchThe promotional campaign for Xbox 360 began on March 14, 2005, with the opening of an alternate reality game called OurColony.
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On October 24, 2005, Microsoft shut down Xbox Live for a day to upgrade it for the Xbox 360. Microsoft chose to use these systems for their PowerPC architecture, which is similar to that of the Xenon CPU used in the system. Games running on these were reported to be using 25-30% of the actual system's power. Before the launch of the Xbox 360, several alpha development kits were spotted using Apple Power Mac G5 hardware. The following month, IBM signed on to develop the Triple-Core CPU for the console.
On August 12, 2003, ATI signed on to produce the graphic processing unit for the new console, a deal which was publicly announced two days later. Also that month, Peter Moore, former president of Sega of America, joined Microsoft. That month, Microsoft held an event for 400 developers in Bellevue, Washington, to recruit support for the system.
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In February of 2003, planning for the Xenon software platform began, and was headed by Microsoft VP J Allard.
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Its Xbox Live service allows players to compete online as well as download games and additional content.Ĭontents 1 Overview 1.1 Development 1.2 Launch 1.3 Retail configurations 2 Xbox Live 2.1 Marketplace 2.2 Arcade 2.3 Video 3 Software 3.1 Dashboard 3.2 Microsoft XNA 3.3 Backward compatibility 3.4 Game library 4 Hardware 4.1 Central processing unit 4.2 Graphics processing unit 4.3 Memory and system bandwidth 4.4 Audio and video 4.5 Storage 4.6 Components and accessories 4.7 Physical appearance 4.8 Warranty 4.9 Zephyr 5 Sales 6 References 7 External linksÄevelopmentKnown during development as Xenon, Xbox 2, Xbox Next or NextBox, the Xbox 360 was conceived in early 2003. The Xbox 360 was the first home console to be released in the seventh generation of game consoles and competes against Sony's PlayStation 3 and Nintendo's Wii. It was also the best selling console of the 2006 holiday season. The console sold out completely at release and by the end of 2006 had sold 10.4 million worldwide. The Xbox 360 is the first console to have a near-simultaneous launch across the three major regions, and the first to provide wireless controller support at launch. Information on the console first came through viral marketing campaigns and it was officially unveiled on MTV on May 12, 2005, with detailed launch and game information divulged later that month at the Electronic Entertainment Expo.
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There were also some particular quirks of the hardware that compounded these problems and made certain things usually considered cheap or even optimizations very expensive like converting between floats and ints, shifting by non constant amounts or mixing SIMD code with traditional floating point.The Xbox 360 is the successor to Microsoft's Xbox video game console, developed in cooperation with IBM, ATI, Samsung and SiS. The cost of things like if statements, function calls, virtual function calls and jumping around in memory were relatively much higher than people were used to. Generally you paid a significantly higher penalty for branching and for cache misses than people were used to and that meant changing the way you designed and wrote code.
There was also a much bigger gap between performance of a debug build and release build than people were used to, to the extent that debug builds could be completely unplayable. There was a much bigger gap between the theoretical performance the hardware was capable of and the real world performance of typical code people were used to writing or had in their existing codebases.
It made many things slower than you would expect.