Benchmarking quantum computers

  • 1.
    International Business Machines Corporation (IBM) International Business Machines Corporation (IBM) is a notable name that has made significant breakthroughs in quantum computing over the years.

  • How are quantum computers measured?

    The measurement-based techniques consist of entangling a cluster of qubits and performing a set of measurements.
    Thanks to the correlation between the entangled qubits, the flow of information (from left to right) is carried on by the measurements on the physical qubits in the cluster..

  • How do you measure the performance of a quantum computer?

    The scale can be represented by the number of qubits.
    The speed is measured by the circuit layer operations per second (CLOPS).
    The CLOPS metric considers the interaction between classical computing and quantum computing because real-world applications include both the classical processing and the quantum processing.Oct 14, 2022.

  • How soon will we have quantum computers?

    The company says it expects to achieve a useful quantum advantage—a demonstration that a quantum system can outperform a classical computer on real-world, relevant calculations—in 2023..

  • Is 158 million times faster than the world's fastest supercomputer?

    The AI Possibilities Behind Quantum Computing
    Google has built a quantum computer that is about 158 million times faster than the world's fastest supercomputer.
    That's not hyperbole.
    That's a real number..

  • Is quantum computing feasible now?

    Quantum computing is real, alright, but it might not be all it's cracked up to be.
    There are still many limitations, but as new technologies emerge to improve quantum computing, so too do it's uses across industries..

  • What is benchmarking in computing?

    A benchmark is simply a test that is used to compare similar products.
    A computer benchmarking program works by running a series of well-defined tests on the PC to measure its performance.
    Benchmarks developed by UL Solutions produce a score that you can use to compare PC systems..

  • What is benchmarking in quantum computing?

    The Quantum Benchmarking program will estimate the long-term utility of quantum computers by creating new benchmarks that quantitatively measure progress towards specific, transformational computational challenges..

  • What is so special about quantum computers?

    When a measurement is made at the end of a computation, the probability of measuring the correct answer should be maximized.
    The way quantum computers leverage probabilities and entanglement is what makes them so different from classical computers..

  • Which country has the best quantum computer?

    Many of these technologies are still developmental, but Chinese researchers are making rapid progress and have become major players in quantum technologies.
    In some areas—especially quantum communication—China has positioned itself as the global leader..

  • Which quantum computing algorithm is best?

    Here is a list of some of the most popular quantum algorithms highlighting the significant impact quantum can have on the classical world:

    Shor's Algorithm. Grover's Algorithm. Deutsch–Jozsa Algorithm. Bernstein–Vazirani Algorithm. Simon's Algorithm. Quantum phase estimation (QPE) algorithm..

  • Who are the leading researchers in quantum computing?

    Top Indian physicist and Head of IIITH's Center for Quantum Science and Technology (CQST), Prof.
    Arun Kumar Pati features among the world's visionaries who are driving research in the foundations of quantum mechanics, quantum information and quantum computers..

  • Who is leading the quantum computing race?

    IBM is leading the world in quantum computing..

  • Who is responsible for quantum computing?

    Right now, IBM Quantum leads the world in quantum computing hardware and software.
    Our Roadmap is a clear, detailed plan to scale quantum processors, overcome the scaling problem, and build the hardware necessary for quantum advantage in the era of noisy quantum machines..

  • Why should we use quantum computers?

    Researchers have obtained only mathematical proofs that quantum computers will offer large gains over current, classical computers in simulating quantum physics and chemistry, and in breaking the public-key cryptosystems used to protect sensitive communications such as online financial transactions..

  • Biggest Quantum Computing Companies in the World

    Rigetti Computing, Inc. (NASDAQ:RGTI) D-Wave Quantum Inc. (NYSE:QBTS) Quantum Corporation (NASDAQ:QMCO) Market Capitalization: $101.01 million. IonQ, Inc. Atos SE (ATO.PA) Toshiba Corporation (6502. Baidu, Inc. International Business Machines Corporation (NYSE:IBM)
  • Many of these technologies are still developmental, but Chinese researchers are making rapid progress and have become major players in quantum technologies.
    In some areas—especially quantum communication—China has positioned itself as the global leader.
  • One example is IBM's quantum computers, which anyone can access via the internet.
    In addition, there are quantum computers in scientific laboratories, in supercomputer centres, at universities, and so on—worldwide.
  • Quantum computation is performed by setting up controlled interactions with non-trivial dynamics that successively couple individual qubits together and alter the time evolution of the wavefunction in a predetermined manner.
  • Quantum computers perform calculations based on the probability of an object's state before it is measured - instead of just 1s or 0s - which means they have the potential to process exponentially more data compared to classical computers.
  • Quantum computers were proposed in the 1980s by Richard Feynman and Yuri Manin.
    The intuition behind quantum computing stemmed from what was often seen as one of the greatest embarrassments of physics: remarkable scientific progress faced with an inability to model even simple systems.
This article introduces Quantum Computing Benchmarking and Certification. Although still noisy and prone to error, quantum computers are  Importance of quantum Single Qubit and Gate FidelityQuantum Volume
Physical benchmarks include tools, models, and algorithms to reflect the physical properties of a quantum processor. Typical physical indicators of quantum computers include T1, T2, single qubit gate fidelity, two qubit gate fidelity, and readout fidelity.
The aggregated benchmarks can help the user to determine the performance of a quantum processor with only one or several parameters. The aggregated metrics can be calculated with randomly generated quantum circuits or estimated based on the basic physical properties of a quantum processor.
Systems benchmarks measure fundamental characteristics of a quantum computer. Such measures enable assessments of machine performance without regard to specific use cases and provide a clear record of progress.
To benchmark quantum computers, you run quantum circuits from a set of single- and two-qubit gates and measure the resulting data string outputs of zeros and ones.

Can a mirror circuit be used to benchmark a quantum computer?

Fig. 1:

  • A scalable method for benchmarking a quantum computer’s capability. a – c, Mirror circuits—quantum circuits with a reflection structure—can be used to efficiently benchmark arbitrarily large quantum computers, because without errors they output a unique and easy-to-calculate bit string.

    • Can performance benchmarking accelerate progress in quantum computing?

    Performance benchmarking—assessing the absolute and relative capabilities of different platforms or systems—has proved useful in assessing other deep technologies.
    We believe performance benchmarking can accelerate progress in quantum computing.

    Is quantum computing a competitive advantage?

    Breakthroughs in quantum computing have accelerated exponentially in recent years.
    But these rapid advances are accompanied by both skepticism and misleading hype.
    The effective use of benchmarks will be a source of competitive advantage for investors and end users.

    What is a quantum computer benchmark?

    This approach provides a view of how well a quantum computer will perform at specific tasks.
    As such, application benchmarks can help end users and investors evaluate the performance of an entire system and measure performance based on real-world use cases, thus providing significant value beyond merely assessing quantum advantage.

    Metric for a quantum computer's capabilities

    Quantum volume is a metric that measures the capabilities and error rates of a quantum computer.
    It expresses the maximum size of square quantum circuits that can be implemented successfully by the computer.
    The form of the circuits is independent from the quantum computer architecture, but compiler can transform and optimize it to take advantage of the computer's features.
    Thus, quantum volumes for different architectures can be compared.

    Metric for a quantum computer's capabilities

    Quantum volume is a metric that measures the capabilities and error rates of a quantum computer.
    It expresses the maximum size of square quantum circuits that can be implemented successfully by the computer.
    The form of the circuits is independent from the quantum computer architecture, but compiler can transform and optimize it to take advantage of the computer's features.
    Thus, quantum volumes for different architectures can be compared.

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