nushell/docs/commands/benchmark.md
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# benchmark
Runs a block and returns the time it took to execute it.
## Usage
```shell
> benchmark <block> {flags}
```
## Parameters
* `<block>` the block to run and benchmark
## Flags
* -h, --help: Display this help message
* -p, --passthrough <block>: Display the benchmark results and pass through the block's output
## Examples
Benchmarks a command within a block
```shell
> benchmark { sleep 500ms }
```
Benchmarks a command within a block and passes its output through
```shell
> echo 45 | benchmark { sleep 500ms } --passthrough {}
```