Storage region allocation system, storage region allocation method, and control apparatus
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United States of America Patent
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Jul 17, 2012
Grant Date -
Jan 7, 2010
app pub date -
Dec 6, 2006
filing date -
Dec 16, 2005
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Abstract
There are provided a memory space allocation method and a memory space allocation device that aim at higher-speed accesses when a memory is shared by a plurality of circuits. In this memory, one data is accessed by issuing addresses a plurality of times. Memory allocation is performed so that high-order addresses of memory spaces of an external memory 505 may be maximally shared by a plurality of circuits 501. When the high-order addresses are common, a memory control circuit does not transfer the high-order addresses, thereby reducing the number of transfers of the high-order addresses. Therefore, the higher-speed access is achieved.
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