howtospark
Training

Wanda

Pruning / sparsityReference

Prune by weight × activation-norm — no backprop, no weight update.

Relieves
Capacity
Targets
Weights
Format
Unstructured / 2:4
Granularity
Weight × activation-norm scoring
Structure
unstructured
Lifecycle
PTQ · no gradients
Calibration
Small calibration set
Compression
~2×
Quality
≈SparseGPT with no weight update
Hardware
Sparse kernels; 2:4 on NVIDIA
Runtimes
Transformers

A worked Spark recipe for this method hasn't been written yet — it lives here as a reference point in the ontology.