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Design and methodology for manufacturing data processing systems having multiple processors

A data processing system and data processing technology, applied in the direction of electrical digital data processing, circuits, electrical components, etc., can solve the problems of switching off overhead, failure to cope with redundant data processor failure, excessive system overhead requirements, etc.

Inactive Publication Date: 2004-10-27
IBM CORP +1
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Although the various multiprocessor systems described above provide unique methods for ensuring the proper operation of multiprocessor systems, the use of multiple processors to perform such functions creates excessive system overhead requirements
Furthermore, the aforementioned patents do not address situations where a redundant data processor fails or does not require execution of a particular data processing application
In these cases, the data processing systems disclosed in the aforementioned patents require burden and overhead for each redundant data processing system

Method used

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  • Design and methodology for manufacturing data processing systems having multiple processors
  • Design and methodology for manufacturing data processing systems having multiple processors
  • Design and methodology for manufacturing data processing systems having multiple processors

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Embodiment Construction

[0015] In the present invention, multiple data processors are implemented on a single silicon chip. Because multiple data processors are implemented on a single silicon device (a "multiprocessing" system), the resulting integrated circuit is significantly larger in area than most single-core system designs that implement only a single processor. Due to the increase in the size of such integrated circuits, the yields associated with manufacturing such multiprocessing systems are typically significantly lower than those of devices with only a single processor, since defects are more likely to occur when measuring larger silicon regions. Thus, the likelihood of a multiprocessing system in which all processors are active is relatively low. Put another way, more often than not, only a fraction of the processors are active on a multiprocessing system. Thus, where the present invention requires a large area for a multiprocessing system, it is likely that a multiprocessing system wil...

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Abstract

A multi-processor system and methodology optimize overhead costs associated with manufacturing large integrated circuit devices having multiple data processors and processing elements thereon by effectively disabling processing elements that are not functional. Disabling the processing elements is performed through segmented power distribution on an integrated circuit first-level package or by providing inhibit signals in pre-selected logic states based on the functionality of the multi-processing system. The functionality of the multiprocessing system is determined during an initial testing procedure, including wafer-level testing.

Description

technical field [0001] This invention relates generally to methods of fabricating microprocessors, and more particularly to designs and methods of fabricating data processing systems having multiple processing components. Background technique [0002] As technology advances, data processing systems are increasingly required to be faster and perform more efficiently. To achieve the desired performance requirements, multiple processors that perform operations in parallel are often employed to increase the overall processing capacity of the data processing system. Such multiprocessor systems are typically implemented with multiple silicon chips interconnected to perform the required functions. [0003] When multiple processors are used collectively to provide a single function, it is important to have an easily implemented method to compensate for failures in one of the processors and to reduce the amount of overhead or cost of implementing a multiprocessor system . Current ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L21/822G06F11/00G06F15/78H01L23/538H01L27/04
CPCH01L2224/16225G06F11/2236H01L2924/00014H01L2224/0401G06F15/16
Inventor 戈登·J·罗宾斯戴维·雷·比尔登
Owner IBM CORP
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