Multi-copy optimization method and system for read-only code segments of NUMA-aware SMP systems
An optimization method and code segment technology, applied in the computer field, can solve the problems affecting the available bandwidth of on-chip network and interconnection bus, remote memory delay and bandwidth asymmetry, and large delay of remote instruction fetching, etc., to achieve software performance, Save finger fetch delay and improve performance
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[0037]Such asfigure 2 As shown, the NUMA-aware SMP system read-only code segment multi-copy optimization method of this embodiment includes:
[0038]1) Pre-configure two local address spaces for each SMP system, including the "local address" used to store the read-only code segment of the respective SMP system, and the "application local address" used to store the read-only code segment of the application ";
[0039]2) Perform data copy through the SMC service to copy the kernel read-only code segment to the "local address" in each SMP system; and parse their read-only code segment during the application binary or dynamic library loading process, and then Copy to the "application local address" in each SMP system;
[0040]3) When each SMP system needs to execute the read-only code segment of the kernel, it directly fetches the local instructions through the "local address"; when each SMP system needs to execute the read-only code segment of the application binary or dynamic library, directly...
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