Nvidia cuopt numerical optimization api cli

Skill autohandai/community-skills/nvidia-cuopt-numerical-optimization-api-cli

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LP, MILP, and QP (beta) with cuOpt — CLI only (MPS files, cuopt_cli). Use when the user is solving LP, MILP, or QP from MPS via command line.

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SKILL.md

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cuOpt Numerical Optimization — CLI

Solve LP, MILP, and QP problems from MPS files via cuopt_cli. The same command, options, and MPS workflow apply across all three; QP uses the standard MPS quadratic-objective extension.

Confirm problem type and formulation (variables, objective, constraints, variable types) before coding.

This skill is CLI only (MPS input).

Basic usage

# Solve LP or MILP from MPS file
cuopt_cli problem.mps

# With options
cuopt_cli problem.mps --time-limit 120 --mip-relative-tolerance 0.01

Common options

cuopt_cli --help

# Time limit (seconds)
cuopt_cli problem.mps --time-limit 120

# MIP gap tolerance (stop when within X% of optimal)
cuopt_cli problem.mps --mip-relative-tolerance 0.001

# MIP absolute tolerance
cuopt_cli problem.mps --mip-absolute-tolerance 0.0001

# Presolve, iteration limit, method
cuopt_cli problem.mps --presolve --iteration-limit 10000 --method 1

MPS format (required sections, in order)

NAME — problem name
ROWS — N (objective), L/G/E (constraints)
COLUMNS — variable names, row names, coefficients
RHS — right-hand side values
BOUNDS (optional) — LO, UP, FX, BV, LI, UI
ENDATA

Integer variables: use 'MARKER' 'INTORG' before and 'MARKER' 'INTEND' after the integer columns.

QP via CLI (beta)

Quadratic objectives extend the standard MPS workflow — same cuopt_cli command, same options. Check cuopt_cli --help for QP-specific flags and the repo docs at docs/cuopt/source/cuopt-cli/ for the quadratic-objective MPS format.

QP rules:

MINIMIZE only. For maximization, negate the objective coefficients (and Q entries) in the MPS file.
Continuous variables only — do not mix integer markers with quadratic objectives.

Troubleshooting

Failed to parse MPS — Check ENDATA, section order (NAME, ROWS, COLUMNS, RHS, [BOUNDS], ENDATA), integer markers.
Infeasible — Check constraint directions (L/G/E) and RHS values.

Examples

assets/README.md — Build/run for sample MPS files
lp_simple — Minimal LP (PROD_X, PROD_Y, two constraints)
lp_production — Production planning: chairs + tables, wood/labor
milp_facility — Facility location with binary open/close

Getting the CLI

CLI is included with the Python package (cuopt). Install via pip or conda; then run cuopt_cli --help to verify.

What ships with it: 10 files

22.5 KB alongside SKILL.md