Functional API
The parallel\Runtime API provides a great degree of control to the power PHP programmer, and those intimately familiar with writing applications that use parallel concurrency.
The functional API provides less control in exchange for the ability to make decisions for the programmer:
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all executing runtimes are bootstrapped identically
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scheduling is determined by the API, not the programmer
目次
- parallel\bootstrap — Bootstrapping
- parallel\run — Execution
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User Contributed Notes 1 note
gajowy at agzeta dot pl ¶
1 year ago
Consider cost of bootstraping. In the parallel\Runtime API the bootstrap routine is executed each time "new Runtime()" is called. So if you create e.g. 8 Runtimes, the bootstrap code will be executed 8 times and it does not depend on the number of Futures. On the other hand, in the case of Functional API each "parallel\run()" causes the boostrap code to be called again. This can be painfull if your tasks environement is complex (eg. huge datasets that need to be prepared in advance and thausends of relatively small tasks).
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