pytorchImproved LBFGS optimizer in PyTorch.
LBFGS-LiteLBFGS-Lite: A header-only L-BFGS unconstrained optimizer.
HashedExpressionType-safe modelling DSL, symbolic transformation, and code generation for solving optimization problems.
lbfgsb-gpuAn open source library for the GPU-implementation of L-BFGS-B algorithm