Adventures in benchmarking ONNX Runtime performance
I’ve recently had the opportunity to revisit ONNX file-format and ONNXRuntime for a project that I recently worked on. The idea of ONNX has always been very ...
Home
Systems engineer working across the stack: hardware-level acquisition, signal processing, and edge inference for real-time biomedical systems.
biosignals@edge$
uv run emg_pipeline.py --source /dev/kitty0 --fs 1kHz \
--duration 5s --filter bpf --notch 60 --infer onnx
input
/dev/kitty0
→
daq
1 kHz · 16ch · uint16
buf=256 samp
→
buf=256 samp
dsp
bpf 20–450 Hz
notch 60 Hz · order=4
→
notch 60 Hz · order=4
infer
emg_intent_v3.onnx
int8 · 12 ms
int8 · 12 ms
[INFO] Connected to /dev/kitty0. Purr-ipheral online.
[INFO] DAQ fs=1000 Hz · 16ch · uint16 · buf=256
[INFO] DSP bpf 20–450 Hz · notch 60 Hz · order=4
[INFO] INFER backend=onnx · model=emg_intent_v3.onnx · 812 KB
[WARN] Clawssification instability detected, applying meow-jority vote.
[INFO] Running · 5s · ctrl-c to stop
PURR
p = 0.98
(feline confident)
biosignals@edge$
I write here about technical investigations that I find very interesting and that go deeper than a README but don’t fit the format of a paper — benchmarks, architecture decisions, dead ends, and the occasional systems programming rabbit hole.
Embedded Systems & Data Acquisition
-
Adventures in benchmarking ONNX Runtime performance — Sep 2026
I’ve recently had the opportunity to revisit ONNX file-format and ONNXRuntime for a project that I recently worked on. The… -
Teensy 4.1 USB Serial: What is the maximum throughput over USB serial? - Part 4 — May 2026
This is part 4 of my series on the Teensy 4.1 USB serial throughput. Read: part 1 for a bit… -
Teensy 4.1 USB Serial: What is the maximum throughput over USB serial? - Part 3 — May 2026
This is part 3 of my series on the Teensy 4.1 USB serial throughput. Read: part 1 for a bit… -
Teensy 4.1 USB Serial: What is the maximum throughput over USB serial? - Part 2 — May 2026
This is part 2 of my series on the Teensy 4.1 USB serial throughput. Read part 1 for a bit… -
Teensy 4.1 USB Serial: What is the maximum throughput over USB serial? — May 2026
As part of a research project, I’m in charge of developing software/firmware for a real-time data acquisition system using Teensy…
Machine Learning
- Adventures in benchmarking ONNX Runtime performance — Sep 2026
I’ve recently had the opportunity to revisit ONNX file-format and ONNXRuntime for a project that I recently worked on. The…
Ongoing Series
Adventures in benchmarking ONNX Runtime performance — 1 parts published, actively ongoing. Latest: Adventures in benchmarking ONNX Runtime performance (Sep 2026)
Recent Posts
Teensy 4.1 USB Serial: What is the maximum throughput over USB serial? - Part 4
This is part 4 of my series on the Teensy 4.1 USB serial throughput. Read: part 1 for a bit more background on what I want to achieve. part 2 for benchm...
Teensy 4.1 USB Serial: What is the maximum throughput over USB serial? - Part 3
This is part 3 of my series on the Teensy 4.1 USB serial throughput. Read: part 1 for a bit more background on what I want to achieve. part 2 for benchm...
Teensy 4.1 USB Serial: What is the maximum throughput over USB serial? - Part 2
This is part 2 of my series on the Teensy 4.1 USB serial throughput. Read part 1 for a bit more background on what I want to achieve. In short, I am trying t...
Teensy 4.1 USB Serial: What is the maximum throughput over USB serial?
As part of a research project, I’m in charge of developing software/firmware for a real-time data acquisition system using Teensy 4.1. This is the first time...