Computer-readable recording medium having stored therein memory access control program, memory access control method, and information processing apparatus

A computer-implemented memory access control method comprising a process executed by one of a plurality of processors, the process comprising:

• upon controlling a consistency of data in response to an access from each of the plurality of processors to a shared memory comprising a storage area shared among the plurality of processors, the plurality of processors including one or more first processors for which the consistency is controlled by hardware and one or more second processors for which the consistency is controlled by software,
• determining the number of the one or more first processors;
• and
• performing, based on a frequency of the access to the shared memory from the plurality of processors, a consistency control in response to the access to the shared memory from the one or more second processors, the number of the one or more second processors being excluded the determined number of the one or more first processors from the plurality of processors, by performing a first consistency control or a second consistency control, the first consistency control being performed by software executed by the one or more second processors, and the second consistency control being performed by one of the one or more first processors according to a command issued by the one or more second processors.

An information processing apparatus comprising:

• a memory;
• and
• a processor coupled to the memory, the processor being configured to perform a process comprising:
• upon controlling a consistency of data in response to an access from each of a plurality of processors comprising the processor to a shared memory comprising a storage area shared among the plurality of processors, the plurality of processors including one or more first processors for which the consistency is controlled by hardware and one or more second processors for which the consistency is controlled by software,
• determining the number of the one or more first processors;
• and
• performing, based on a frequency of the access to the shared memory from the plurality of processors, a consistency control in response to the access to the shared memory from the one or more second processors, the number of the one or more second processors being excluded the determined number of the one or more first processors from the plurality of processors, by performing a first consistency control or a second consistency control, the first consistency control being performed by software executed by the one or more second processors, and the second consistency control being performed by one of the one or more first processors according to a command issued by the one or more second processors.