# Run branches in parallel

Control / flow

A variant of [Branch or loop](https://meridian.online/operations/branch-or-loop).

Run several branches or partitions of the data at the same time and gather their results.

Page: <https://meridian.online/operations/branch-or-loop/run-branches-in-parallel>

## Status

Not built yet.

arcform does not do this yet; it would live in how a Protocol runs. [Its place on the roadmap](https://meridian.online/roadmap#branch-or-loop)

## What other tools call it

Meridian's classification; an independent blind rating agreed on 95.7% of 324 rows (variant, version 3).

- Duckle: [`Parallelize`](https://github.com/slothflowlabs/duckle/blob/f85f8960edfb6efbf4cb89d58a7b32e16df0e867/website/docs/components.html) (read 2026-09-25)
- KNIME Analytics Platform: [`KNIME Parallel Chunk Loop Nodes (extension)`](https://api.hub.knime.com/extensions/org.knime.features.virtual) (read 2026-09-27)
- Apache NiFi: [`DistributeLoad`](https://nifi.apache.org/components/org.apache.nifi.processors.standard.DistributeLoad/) (read 2026-09-27)
- RapidMiner Studio: [`Subprocess (Parallel)`](https://docs.rapidminer.com/latest/studio/operators/extensions/Operator%20Toolbox/utility/parallel_branches.html) (read 2026-09-27)
- Talend: [`tCollector`](https://help.qlik.com/talend/en-US/components/8.0/orchestration/orchestration-component) (read 2026-09-27)
- Talend: [`tDepartitioner`](https://help.qlik.com/talend/en-US/components/8.0/orchestration/orchestration-component) (read 2026-09-27)
- Talend: [`tParallelize`](https://help.qlik.com/talend/en-US/components/8.0/orchestration/orchestration-component) (read 2026-09-27)
- Talend: [`tRecollector`](https://help.qlik.com/talend/en-US/components/8.0/orchestration/orchestration-component) (read 2026-09-27)