# \#parallelism
**URL:** https://racket.discourse.group/tag/parallelism/69.md
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## [How to implement parallel-or?](https://racket.discourse.group/t/how-to-implement-parallel-or/3987)
**Author:** [@ohqo](https://racket.discourse.group/u/ohqo)\
**Replies:** 3\
**Last updated:** [October 27, 2025, 11:42pm UTC](https://racket.discourse.group/t/how-to-implement-parallel-or/3987 "2025-10-27T23:42:20Z")
The parallel-or operation allows you to run two computations in parallel and either immediately returns true if one of the computations halts with true or returns false if both computations halt with false. I couldn't f…
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## [Threading and paralelism](https://racket.discourse.group/t/threading-and-paralelism/3563)
**Author:** [@GunpowderGuy](https://racket.discourse.group/u/GunpowderGuy)\
**Replies:** 2\
**Last updated:** [February 12, 2025, 6:20pm UTC](https://racket.discourse.group/t/threading-and-paralelism/3563 "2025-02-12T18:20:34Z")
Hello, I'm new to Racket, but I also use Idris2, which compiles to this language. Is there a more detailed explanation of Racket's parallelism beyond these resources? Racket Guide: Parallelism Racket Foreign Library: …
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## [One queue/channel, several consumers (futures, places, ...)](https://racket.discourse.group/t/one-queue-channel-several-consumers-futures-places/576)
**Author:** [@sschwarzer](https://racket.discourse.group/u/sschwarzer)\
**Replies:** 3\
**Last updated:** [January 14, 2022, 11:16pm UTC](https://racket.discourse.group/t/one-queue-channel-several-consumers-futures-places/576 "2022-01-14T23:16:24Z")
I read Parallelism with places in the Racket Guide. As I understand the section, it isn't possible to send data over a single channel to multiple places, so that the places can act as "workers" and consume tasks from the…