Benchmark Simple

This simple example measures pipeline latency by connecting a BenchmarkOut node to a BenchmarkIn node.Since nodes only pass message pointers (no data copying), the latency is very low, typically in the order of microseconds.

Demo

Command Line

1Benchmark $ python3.9 benchmark_simple.py
2[2025-03-21 14:44:42.051] [ThreadedNode] [trace] Frame latency: 5.041e-06 s
3[2025-03-21 14:44:42.086] [ThreadedNode] [trace] Frame latency: 1.0166e-05 s
4[2025-03-21 14:44:42.122] [ThreadedNode] [trace] Frame latency: 6.25e-06 s
5[2025-03-21 14:44:42.156] [ThreadedNode] [trace] Frame latency: 6.459e-06 s
6[2025-03-21 14:44:42.185] [ThreadedNode] [trace] Frame latency: 7.875e-06 s
7[2025-03-21 14:44:42.221] [ThreadedNode] [trace] Frame latency: 1.1542e-05 s

Setup

This example requires the DepthAI v3 API, see installation instructions.

Pipeline

React Flow

Source code

Python

C++

Python

GitHub

1#!/usr/bin/env python3
2import depthai as dai
3import time
4
5# Create pipeline
6with dai.Pipeline() as pipeline:
7    # Create the nodes
8    cam = pipeline.create(dai.node.Camera).build()
9    benchmarkIn = pipeline.create(dai.node.BenchmarkIn)
10    # benchmarkIn.setRunOnHost(True) # The node can also run on host and include the transfer limitation, default is False
11    output = cam.requestFullResolutionOutput()
12    output.link(benchmarkIn.input)
13
14    pipeline.start()
15    while pipeline.isRunning():
16        time.sleep(1) # Let the logger print out the FPS

Need assistance?

Head over to Discussion Forum for technical support or any other questions you might have.

ON THIS PAGE

Benchmark Simple

Demo

Setup

Pipeline

Source code

Python

Need assistance?