8-core processor, multi-core shines the rapid development of Hot Chips Conference by soliyer


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									8-core processor, multi-core shines the rapid development of Hot Chips Conference
This week, IBM, Fujitsu, AMD and Intel, and many other chip makers will be held at the Hot Chips at Stanford University is described in the General Assembly, its 8-core server processors, the latest developments, although these next-generation chips to the end user how much sense is also worth explored. 8-core has become the general trend For a long period of time, chip manufacturers and constantly raise the clock frequency allows the processor to run faster and faster, but for energy consumption and heat dissipation concerns, they have now changed to each processor, add more Multi-core to improve performance. Carried out this Tuesday Hot Chips conference, IBM will be the first detailed case Power7 processor, which is introduced two years ago Power6 Unix server processors, a follow-up products. IBM chip design Power7 marks a major shift from dual-core design and development for the new structure can provide 4,6,8 gold core, each core can handle four instruction threads - more detailed information, please See 51CTO.com previously published article "IBM Power7: 8-core brings three times the performance." IBM said that, Power7 in the first half of next year, the chip will use 45-nanometer process technology, IBM also said that existing customers will be able to Power 570 and 595 servers using the new chips. Engineers from Fujitsu will discuss the eight-core Sparc64 processor development plans, as announced in July last year, four-core Sparc64 VII of the upgrade. Sparc64 chips used in the present of the Fujitsu and Sun servers, but Sun because of Oracle's acquisition plan and the server it has been hanging in the air. At the same time AMD will be at the Hot Chips conference releasing information regarding their Magny-Cours processor blade server usage reports. Magny-Cours is a single-threaded 12-core chip, by two separate six-core chip, package, by AMD's Hyper Transport technology connected. The chip is named after

a French motorcycle track, will be released early next year. parallel processing; and "Magny-Cours" is more than 10-core processor. Intel will be its Nehalem-EX chip to update, with eight pairs of the latest version of the thread-core Nehalem-EX plans to launch in the first half of next year. According to 51CTO.com reported, Intel 3 months ago, announced a new generation of server processors, Nehalem-EX (Beckton) for more details. Nehalem-EX and above the main configuration for 2U server market (Xeon MP), this processor includes eight physical cores, support Hyper-Threading Technology, 3 cache size of up to 24MB, 2 cache 2MB capacity . However, the Hot Chips Conference will not have Tukwilla chip news, this four-core Itanium processor upgrade has been postponed several times, now is expected to ship next year. Similarly, the absence of Hot Chips Conference is the Sun's 16-core Rock processor, which was originally scheduled to launch later this year, but now is said to have been abandoned. Sun's engineers to bring the General Assembly is the latest progress of Rainbow Falls, this Niagara's third-generation multi-threaded design of UltraSparc T2 will be a follow-up products. The software can cater for multi-core development? 8-core server chip, will certainly bring computing power has increased significantly. "In its scale, these chips really incredible," Insight64 analyst Nathan Brookwood of the industry said, "for example Power7, it is a terrible guy." But in today's application software (including end-users) How from the multi-core how much the benefits of the chip, there has been some controversy. Many people think that software should be a new way to write, so as to allow them to run in parallel across the core of agile enough time to do. On this issue, Gartner analyst Carl Claunch in January published a report. Result of the investigation a bit daunting, chip makers are pushing the microprocessor core, "has far exceeded the level of the key software design, including operating systems, middleware, enterprise applications and virtualization products," Claunch in the report said that many of today's software use all available processor cores when

they were limited, IT users will be forced to frequently upgrade the software to keep up with changing hardware. Hot Chips prior to the convening of the General Assembly this session, IDC also released in June in similar findings. Reported that only a few exceptions, "most of today's applications are more than four processor cores on a performance that followed a standstill." Others are optimistic. They are considered to be limited CPU performance, the software will soon be highly parallel design that can run on clusters of servers with multiple processors or large SMP machines. Virtualization and partitioning technology offers other ways to take advantage of multi-core. For example we can leave some small applications to the distribution is placed on four-processor virtual machine. IDC look forward to VMware and other companies to develop a more intelligent tool that can automatically be assigned to a virtual machine on the additional core. "I do not think multi-core will be an obstacle, some people may be pessimistic point," Brookwood said. Others felt that a greater challenge is to write across a variety of CPU and graphics core program. Graphics chip maker Nvidia is naturally a strong supporter of hybrid architecture. "This is the real cutting-edge technology," Nvidia, director of marketing and Hot Chips conference organizers, said Kevin Krewell

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