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embroidery.api
bounded-pmap*clj
(bounded-pmap* n f coll)Version of pmap
which uses JVM 21+ virtual threads when available, but will chunk the work up
such that at most n concurrent virtual threads will be used (useful for
workloads where system resource constraints could be exceeded e.g. maximum
number of open file handles).
Notes:
- degrades to vanilla pmap on JVMs that don't support virtual threads
- virtual thread version is partially lazy (results are computed eagerly, but merged lazily using concat)
- non virtual thread version ignores the
nargument (since pmap already chunkscoll) - each invocation of
bounded-pmap*utilises an independent set of virtual threads, so parallel invocations may exceed system resource constraints
Version of [pmap](https://clojure.github.io/clojure/clojure.core-api.html#clojure.core/pmap) which uses JVM 21+ virtual threads when available, but will chunk the work up such that at most `n` concurrent virtual threads will be used (useful for workloads where system resource constraints could be exceeded e.g. maximum number of open file handles). Notes: * degrades to vanilla [pmap](https://clojure.github.io/clojure/clojure.core-api.html#clojure.core/pmap) on JVMs that don't support virtual threads * virtual thread version is partially lazy (results are computed eagerly, but merged lazily using [concat](https://clojure.github.io/clojure/clojure.core-api.html#clojure.core/concat)) * non virtual thread version ignores the `n` argument (since [pmap](https://clojure.github.io/clojure/clojure.core-api.html#clojure.core/pmap) already chunks `coll`) * each invocation of `bounded-pmap*` utilises an independent set of virtual threads, so parallel invocations may exceed system resource constraints
future*cljmacro
(future* & body)Version of future which uses JVM 21+ virtual threads when available.
Notes:
- degrades to vanilla future on JVMs that don't support virtual threads
Version of [future](https://clojure.github.io/clojure/clojure.core-api.html#clojure.core/future) which uses JVM 21+ virtual threads when available. Notes: * degrades to vanilla [future](https://clojure.github.io/clojure/clojure.core-api.html#clojure.core/future) on JVMs that don't support virtual threads
future-call*clj
(future-call* f)Version of future-call that uses JVM 21+ virtual threads when available.
Notes:
- degrades to vanilla future-call on JVMs that don't support virtual threads
Version of [future-call](https://clojure.github.io/clojure/clojure.core-api.html#clojure.core/future-call) that uses JVM 21+ virtual threads when available. Notes: * degrades to vanilla [future-call](https://clojure.github.io/clojure/clojure.core-api.html#clojure.core/future-call) on JVMs that don't support virtual threads
pmap*clj
(pmap* f coll)Version of pmap
which uses JVM 21+ virtual threads when available, one per item in coll.
Notes:
- degrades to vanilla pmap on JVMs that don't support virtual threads
- virtual thread version is not lazy
Version of [pmap](https://clojure.github.io/clojure/clojure.core-api.html#clojure.core/pmap) which uses JVM 21+ virtual threads when available, one per item in `coll`. Notes: * degrades to vanilla [pmap](https://clojure.github.io/clojure/clojure.core-api.html#clojure.core/pmap) on JVMs that don't support virtual threads * virtual thread version is _not_ lazy
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