DDP replaces stochastic hard-concrete masks with a deterministic soft surrogate for l0-constrained structured pruning, delivering 1% performance loss on Qwen3 models at 20% sparsity and faster convergence than prior methods.
HEAPr: Hessian-based efficient atomic expert pruning in output space.arXiv preprint arXiv:2509.22299,
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Deterministic Differentiable Structured Pruning for Large Language Models
DDP replaces stochastic hard-concrete masks with a deterministic soft surrogate for l0-constrained structured pruning, delivering 1% performance loss on Qwen3 models at 20% sparsity and faster convergence than prior methods.