Benchmark (Calcite Core 1.16.0 API)

```
public class Benchmark
extends Object
```
Helps to run benchmarks by running the same task repeatedly and averaging the running times.

Nested Classes
Modifier and Type	Class and Description
`static class`	`Benchmark.Statistician` Collects statistics for a test that is run multiple times.

Fields
Modifier and Type	Field and Description
`private Function1<Benchmark.Statistician,Void>`	`function`
`static org.slf4j.Logger`	`LOGGER` Certain tests are enabled only if logging is enabled at debug level or higher.
`private int`	`repeat`
`private Benchmark.Statistician`	`statistician`

Constructors
Constructor and Description
`Benchmark(String description, Function1<Benchmark.Statistician,Void> function, int repeat)`

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`static boolean`	`enabled()` Returns whether performance tests are enabled.
`(package private) static long`	`printDuration(String desc, long t0)`
`void`	`run()`

LOGGER
```
public static final org.slf4j.Logger LOGGER
```
Certain tests are enabled only if logging is enabled at debug level or higher.

private final Function1<Benchmark.Statistician,Void> function

private final Benchmark.Statistician statistician

public Benchmark(String description,
                 Function1<Benchmark.Statistician,Void> function,
                 int repeat)

enabled
```
public static boolean enabled()
```
Returns whether performance tests are enabled.

static long printDuration(String desc,
                          long t0)

Class Benchmark