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QuipNetwork/xquad

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Xquad

xquad is a toolkit for defining optimization problems once and running them on different solvers. A high-level programming interface describes constraints declaratively, and those constraints compile into a shared intermediate form and a human-readable assembly format that a compact stack-based virtual machine can execute. The same problem definition can then be lowered to quantum annealers or to classical CPU and GPU solvers without being rewritten.

What sets it apart is the combination of hardware-agnostic modeling and an embeddable execution engine. The core virtual machine needs no standard library, so it can run inside WebAssembly runtimes, blockchain pallets, and native binaries. Solver backends are optional installable extras behind one common dispatch interface, which allows results from quantum annealing to be compared against classical solvers using the same problem.

Day-to-day workflows are supported in two ways. A command-line front end offers separate subcommands to assemble, disassemble, run, and validate programs, so whole pipelines can be scripted without writing application code. Programs can also be loaded once and executed repeatedly with different input data, with outputs returned by slot along with leftover stack contents and step counts.

Features

  • Quantum Annealing Tools - Dispatches optimization problems to quantum annealers alongside classical CPU and GPU solvers through one common interface, so results can be compared on the same problem.
  • Solver-Agnostic Optimization Interfaces - Defines an optimization problem once with high-level constraints and reuses that definition across many different solvers and hardware targets.
  • Optimization Constraint Modeling Interfaces - Provides a high-level programming interface for declaring optimization constraints, which compile down to an assembly format the virtual machine can run directly.
  • Embedded Virtual Machines - Provides a small virtual machine that can be embedded in WASM runtimes, blockchain pallets, and native binaries without a standard library.
5,585 stars·17 forks·Python·AGPL-3.0·1 view
  • Stack-Based Virtual Machines - Executes optimization programs on a compact stack machine that reads inputs by slot and reports outputs, leftover stack contents, and step counts.
  • Cross-Solver Problem Compilers - Translates a single problem definition into a shared intermediate form that targets any supported quantum or classical solver without rewriting.
  • Problem Modeling - Expresses optimization constraints through a high-level programming interface and compiles them to an assembly format the virtual machine executes directly.
  • Solver Dispatchers - Dispatches optimization problems to CPU, GPU, quantum annealer, or network solvers selected through optional extras, so one problem runs on different hardware.
  • Constraint Solvers - Offers a high-level programming interface that declares optimization constraints separately from the solver that eventually executes them.
  • Assembler Command-Line Toolkits - Offers separate subcommands to assemble, disassemble, run, and validate optimization programs so complete pipelines can be scripted without writing application code.
  • No-Std Environment Adapters - Keeps the core execution engine free of standard library dependencies so it runs in WASM runtimes, blockchain pallets, and native binaries.
  • Intermediate Representation Lowering - Compiles one problem definition into a shared intermediate form that backend-specific lowering passes translate for each target solver.
  • Embedded Wasm Runtimes - Runs optimization programs inside WebAssembly runtimes, blockchain pallets, and native binaries that have no standard library.
  • Star history

    Star history chart for quipnetwork/xquadStar history chart for quipnetwork/xquad

    How this analysis was created: This summary and feature list are AI-generated from collected project material and can contain mistakes. Stars, license and language are imported from GitHub. Inclusion does not mean that we have tested or audited this project. Check the source documentation for any feature you depend on. Learn more on our About page.

    Frequently asked questions

    What does quipnetwork/xquad do?

    xquad is a toolkit for defining optimization problems once and running them on different solvers. A high-level programming interface describes constraints declaratively, and those constraints compile into a shared intermediate form and a human-readable assembly format that a compact stack-based virtual machine can execute. The same problem definition can then be lowered to quantum annealers or to classical CPU and GPU solvers without being rewritten.

    What are the main features of quipnetwork/xquad?

    The main features of quipnetwork/xquad are: Quantum Annealing Tools, Solver-Agnostic Optimization Interfaces, Optimization Constraint Modeling Interfaces, Embedded Virtual Machines, Stack-Based Virtual Machines, Cross-Solver Problem Compilers, Problem Modeling, Solver Dispatchers.

    Which projects share features with quipnetwork/xquad?

    Projects with overlapping indexed features include: cvxpy/cvxpy — CVXPY is a Python-embedded domain-specific language for modeling and solving convex optimization problems using… robotlocomotion/drake — Drake is a robotics simulation framework and control system modeling tool used for designing, simulating, and… julianlsolvers/optim.jl — Optim.jl is a numerical optimization library for the Julia programming language, providing a comprehensive framework… morluto/rea — Rea is a reverse engineering toolkit that lets AI agents analyze software through a local Model Context Protocol… hyperdbg/hyperdbg — HyperDbg is a hardware-assisted kernel-mode debugging platform that leverages virtualization to monitor and control… munificent/craftinginterpreters — Crafting Interpreters is a comprehensive resource for building a complete programming language from scratch. It…

    Projects sharing features with Xquad

    These projects share indexed features with Xquad. Shared tags can include platform or build tooling; verify the primary use case before treating a result as a replacement.
    • cvxpy/cvxpycvxpy avatar

      cvxpy/cvxpy

      6,257View on GitHub↗

      CVXPY is a Python-embedded domain-specific language for modeling and solving convex optimization problems using natural mathematical syntax. It is built on a disciplined convex programming framework that automatically enforces convexity rules, ensuring that problems formulated by the user are valid for convex solvers. The project also functions as a multi-solver optimization interface, abstracting away backend details and dispatching problems to specialized solvers like ECOS, SCS, and Gurobi without manual configuration. Beyond standard convex optimization, CVXPY extends its reach to geometri

      C++
      View on GitHub↗6,257
    • robotlocomotion/drakeRobotLocomotion avatar

      RobotLocomotion/drake

      3,910View on GitHub↗

      Drake is a robotics simulation framework and control system modeling tool used for designing, simulating, and verifying the dynamics of complex robotic systems. It functions as a multibody dynamics simulator and a mathematical optimization library, providing a suite of algorithms for trajectory optimization and the simulation of articulated robots. The framework is distinguished by its block-diagram system for composing dynamical subsystems and its ability to formulate and solve diverse mathematical programs, including linear, quadratic, and nonconvex nonlinear problems. It supports specializ

      C++drakerobotics
      View on GitHub↗3,910
    • julianlsolvers/optim.jlJuliaNLSolvers avatar

      JuliaNLSolvers/Optim.jl

      1,201View on GitHub↗

      Optim.jl is a numerical optimization library for the Julia programming language, providing a comprehensive framework for minimizing or maximizing univariate and multivariate functions. It offers a suite of tools for solving both constrained and unconstrained mathematical problems, utilizing a variety of gradient-based, derivative-free, and stochastic search methods. The library distinguishes itself through a modular architecture that leverages language-level multiple dispatch to automatically select efficient solvers based on input data types and objective function properties. It supports com

      Juliajuliaoptimoptimisation
      View on GitHub↗1,201
    • morluto/reamorluto avatar

      morluto/rea

      440,840View on GitHub↗

      Rea is a reverse engineering toolkit that lets AI agents analyze software through a local Model Context Protocol server. An agent can investigate how an application works, from observed behavior and web traffic down to native binaries, and return findings with supporting evidence and stated limitations. All analysis runs on the user's own machine, so the inspected software is not uploaded and only tool results are passed to the agent. For native code, Rea drives an installed disassembler or decompiler such as Hopper, Ghidra, IDA, or Kuna to produce pseudocode, assembly, strings, symbols, and

      TypeScriptagent-skillsaiandroid
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