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Design of the IBM Blue Gene/Q Compute chip

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1 Author(s)
IBM Blue Gene team ; IBM Blue Gene Team,

The heart of a Blue Gene®/Q system is the Blue Gene/Q Compute (BQC) chip, which combines processors, memory, and communication functions on a single chip. The Blue Gene/Q Compute chip has 16 $+$ 1 $+$ 1 processor cores, each with a quad single-instruction, multiple-data (SIMD) floating-point unit, and a multi-versioned Level 2 cache that provides hardware support for transactional memory, speculative execution, and atomic operations. The Blue Gene/Q Compute chip further contains dual on-chip memory controllers for directly attached DDR3 (double data rate type 3) memory and sophisticated networking logic for chip-to-chip communications.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

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IBM Journal of Research and Development  (Volume:57 ,  Issue: 1/2 )