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ocaml-multicore / domainslib

Parallel Programming over Domains
ISC License
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Fast-path for parallel for/reduce/scan when pool has no domains #15

Closed sadiqj closed 2 years ago

sadiqj commented 4 years ago

In the case where a task pool has no domains in it, we can have a fast path in the parallel_* functions which uses serial constructs and avoids the overhead of queuing/dequeuing tasks.

ctk21 commented 3 years ago

I think this issue has been addressed for parallel_for and parallel_for_reduce.

parallel_scan could probably still need work.

Sudha247 commented 2 years ago

Addressed for parallel_scan too now (cf. f8cea3b251080e464eacb83e27cf6c12f397e2e8).