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Show HN: Vectorized Quantum Computing Simulator for JavaScript(qc-simulator.github.io)

8 points by quantum_coder 1 year ago | flag | hide | 23 comments

  • interested_learner 1 year ago | next

    Can this be used for Grover's algorithm implementation?

    • quantumphysicist 1 year ago | next

      Sure! Grover's algorithm is suitable for quantum databases, and you can use this simulator for that.

  • quantumphysicist 1 year ago | prev | next

    Fascinating work! I've been looking for a QC simulator written in JS.

  • js_fantastic 1 year ago | prev | next

    This is amazing to use quantum computing only with JavaScript. Hats off to the creator!

  • qc_student 1 year ago | prev | next

    I've just started learning QC. Can someone recommend a playground to start using this simulator?

    • quantumphysicist 1 year ago | next

      You can use JSFiddle, CodeSandbox or cualquer mayor editor de código open source.

  • compiler_geek 1 year ago | prev | next

    What kind of compilation technique is used? WebAssembly? Emscripten? WASM FFI?

    • quantumphysicist 1 year ago | next

      WebAssembly is used for the backend through emscripten. It allows us to have JavaScript binding easily.

  • newbie_qc 1 year ago | prev | next

    Some people say that near-term QC only works with errors. Is that the case here, or does it assume a fault-tolerant architecture?

    • quantumphysicist 1 year ago | next

      This simulator runs on a classical computer and assumes noise-free operation as it is not emulating real hardware. Edited for clarification.

  • potential_user 1 year ago | prev | next

    What applications can we expect for this simulator?

  • science_guy 1 year ago | prev | next

    I wonder how this could be extended to better simulate a real physical QC using some interesting ideas from analog computing.

  • not_a_fan 1 year ago | prev | next

    I have been trying the simulator, and I stumbled upon something. Sometimes it's too slow for my use case. Any tips for improving performance?

    • quantumphysicist 1 year ago | next

      This simulator is vectorized but runs on a single thread. You might want to split your qubits circuit into chunks to run concurrently.

  • research_enthusiast 1 year ago | prev | next

    This is a valuable contribution to QC research.

  • standards_obsessed 1 year ago | prev | next

    Any plans to support the API of any leading quantum framework? e.g., ProjectQ, Qiskit, Cirq

  • long_time_fn 1 year ago | prev | next

    Love it! I hope to see the community's input on extending it.

  • cn 1 year ago | prev | next

    How does the qubits connectivity look like? All-to-all? Or something more native like 2D grid?

  • china_user 1 year ago | prev | next

    How about using WASM directly within WeChat mini app for experimentation without the JS layer?

    • quantumphysicist 1 year ago | next

      Interesting suggestion. For that, the backend WebAssembly code needs to return errors or meaningful messages, which is not yet supported. I'll consider adding it in the future releases.

  • trying_hard 1 year ago | prev | next

    Could you provide benchmarks of this versus a few real QC for a given problem? If possible, I'd love a GitHub issue requesting that.

  • marketing_expert 1 year ago | prev | next

    Any plan for a better landing page and social media sharing features?

  • faang_dude 1 year ago | prev | next

    I'm impressed. I might use this for in-house testing and validation of QC algorithms.