instruction scheduling - significado y definición. Qué es instruction scheduling
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Qué (quién) es instruction scheduling - definición

Instruction scheduling algorithm; Instruction scheduler; Percolation scheduling; Percolation scheduler; Global scheduling; Global scheduler; Cold scheduling algorithm; Cold scheduling; Cold scheduler; Local scheduling; Local scheduler; Basic block scheduling; Basic block scheduler; Modulo scheduling; Superblock scheduling; Superblock scheduler; Modulo scheduler

instruction scheduling         
The compiler phase that orders instructions on a pipelined, superscalar, or VLIW architecture so as to maximise the number of function units operating in parallel and to minimise the time they spend waiting for each other. Examples are filling a delay slot; interspersing floating-point instructions with integer instructions to keep both units operating; making adjacent instructions independent, e.g. one which writes a register and another which reads from it; separating memory writes to avoid filling the write buffer. Norman P. Jouppi and David W. Wall, {"Available Instruction-Level Parallelism for Superscalar and Superpipelined Processors" (ftp://gatekeeper.dec.com/archive/pub/DEC/WRL/research-reports/WRL-TR-89.7.ps.Z)}, Proceedings of the Third International Conference on Architectural Support for Programming Languages and Operating Systems, pp. 272--282, 1989. [The SPARC Architecture Manual, v8, ISBN 0-13-825001-4]
Instruction scheduling         
In computer science, instruction scheduling is a compiler optimization used to improve instruction-level parallelism, which improves performance on machines with instruction pipelines. Put more simply, it tries to do the following without changing the meaning of the code:
Scheduling Open Service Interface Definition         
AN OPEN KNOWLEDGE INITIATIVE SPECIFICATION; PROGRAMMATIC INTERFACES WHICH COMPRISE A SERVICE-ORIENTED ARCHITECTURE FOR DESIGNING AND BUILDING REUSABLE AND INTEROPERABLE SOFTWARE
Scheduling OSID
The Scheduling Open Service Interface Definition (OSID) is an Open Knowledge Initiative specification. OSIDs are programmatic interfaces which comprise a service-oriented architecture for designing and building reusable and interoperable software.

Wikipedia

Instruction scheduling

In computer science, instruction scheduling is a compiler optimization used to improve instruction-level parallelism, which improves performance on machines with instruction pipelines. Put more simply, it tries to do the following without changing the meaning of the code:

  • Avoid pipeline stalls by rearranging the order of instructions.
  • Avoid illegal or semantically ambiguous operations (typically involving subtle instruction pipeline timing issues or non-interlocked resources).

The pipeline stalls can be caused by structural hazards (processor resource limit), data hazards (output of one instruction needed by another instruction) and control hazards (branching).