OpenNN Performance Benchmark

Compare OpenNN against other frameworks

1.79x Faster GPU Training Speed on HIGGS

Performance Benchmark​

OpenNN 1.01M samples/s
PyTorch CUDA Graphs 563k samples/s
OpenNN is 1.79× faster
Higher is better · RTX 4080 · batch size 100

1.55x Faster CPU Training Speed on HIGGS

Performance Benchmark

OpenNN 72k samples/s
PyTorch CPU 46k samples/s
OpenNN is 1.55× faster
Higher is better · Intel Core i9-12900K · MKL

42% Lower Energy Consumption

Save power, save money

Neural Designer 2.6 kWh
42% less energy than TensorFlow
TensorFlow 4.5 kWh
Lower is better · GPU training benchmark

1.27x Better Generalization

Smarter model selection

Neural Designer MSE 0.0174
PyTorch MSE 0.0221
Neural Designer is 1.27× more precise
TensorFlow MSE 0.0333
Neural Designer is 1.91× more precise
Bars show relative precision from minimum MSE · higher is better

Similar Numerical Accuracy

Accuracy without compromise

OpenNN MSE 0.0116 · R² 0.9879
PyTorch MSE 0.0114 · R² 0.9882
TensorFlow MSE 0.0129 · R² 0.9867
Lower MSE is better · Accuracy is essentially on par

1.5x less GPU CNN Deployment Size

Smaller CUDA deployment

OpenNN ~1.3 GB
ONNX Runtime ~2.0 GB
≈1.5× larger than OpenNN
PyTorch ~5.0 GB
≈4× larger than OpenNN
TensorFlow ~6.2 GB
≈5× larger than OpenNN

138x less CPU Deployment Size

Tiny CPU deployment

OpenNN 3.2 MB
PyTorch 442 MB
≈138× larger than OpenNN
TensorFlow 752 MB
≈235× larger than OpenNN

7x less Startup Latency

Faster time to first prediction

OpenNN 36 ms
ONNX Runtime 237 ms
≈7× slower than OpenNN
PyTorch 1,005 ms
≈28× slower than OpenNN
TensorFlow 1,685 ms
≈47× slower than OpenNN

24x less Lines Of Code

Smaller native codebase

OpenNN 34.9k
PyTorch 834k
24× more than OpenNN
TensorFlow 1.79M
51× more than OpenNN

32x less CPU Memory

Lower runtime memory

OpenNN 9 MB
PyTorch 295 MB
≈32× more than OpenNN
TensorFlow 521 MB
≈56× more than OpenNN

Zero Dependencies

Zero-install deployment

OpenNN 0 packages
Single executable · no Python required
ONNX Runtime 6 packages
Requires Python interpreter
PyTorch 12 packages
Requires Python + package tree
TensorFlow 33 packages
Largest dependency footprint

Model export to standalone code

Runtime-free model export

OpenNN Standalone source
YES
C · Python · JavaScript · PHP
PyTorch Runtime required
NO
TorchScript / ONNX need libtorch or ONNX Runtime
TensorFlow Runtime required
NO
SavedModel / TFLite need TF or TFLite runtime
OpenNN C export: ~231 KB source · ~236 KB binary

2.7x More Data Capacity

Train bigger DataSets

Maximum samples under 8 GB memory
OpenNN
16M
PyTorch
6M
OpenNN handles 2.7× more data in this benchmark.