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# 🍒 QuantumFlow: Quantum Tensorflow Machine Learning deployment in K8s
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## ⚛️🔋 QuantumFlow: Quantum Computin Tensorflow in K8s
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<br>
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## Theoretical Introduction
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#### 👉 this repository contains my work deploying a quantum computing version of tensorflow in kubernets.
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<br>
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---
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### Theoretical Introduction
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<br>
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* With the recent progress in the development of quantum computing, the development of new quantum ML models could have a profound impact on the world’s biggest problems, leading to breakthroughs in the areas of medicine, materials, sensing, and communications.
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* A key feature of TensorFlow Quantum is the ability to simultaneously train and execute many quantum circuits. This is achieved by TensorFlow’s ability to parallelize computation across a cluster of computers, and the ability to simulate relatively large quantum circuits on multi-core computers.
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<br>
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---
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### Steps:
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<br>
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## Steps:
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### Prepare a quantum dataset
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#### Prepare a quantum dataset
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- Quantum data is loaded as tensors (a multi-dimensional array of numbers).
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- Each quantum data tensor is specified as a quantum circuit written in Cirq that generates quantum data on the fly.
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- The tensor is executed by TensorFlow on the quantum computer to generate a quantum dataset.
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### Evaluate a quantum neural network model
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#### Evaluate a quantum neural network model
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- The researcher can prototype a quantum neural network using Cirq that they will later embed inside of a TensorFlow compute graph.
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- Parameterized quantum models can be selected from several broad categories based on knowledge of the quantum data's structure.
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- The goal of the model is to perform quantum processing in order to extract information hidden in a typically entangled state.
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### Sample or Average
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#### Sample or Average
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- Measurement of quantum states extracts classical information in the form of samples from a classical random variable.
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- The distribution of values from this random variable generally depends on the quantum state itself and on the measured observable.
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- As many variational algorithms depend on mean values of measurements, also known as expectation values, TFQ provides methods for averaging over several runs involving steps (1) and (2).
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### Evaluate a classical neural networks model
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#### Evaluate a classical neural networks model
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- Once classical information has been extracted, it is in a format amenable to further classical post-processing.
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- As the extracted information may still be encoded in classical correlations between measured expectations, classical deep neural networks can be applied to distill such correlations.
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### Evaluate Cost Function
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#### Evaluate Cost Function
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- Given the results of classical post-processing, a cost function is evaluated.
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- This could be based on how accurately the model performs the classification task if the quantum data was labeled, or other criteria if the task is unsupervised.
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### Evaluate Gradients & Update Parameters
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#### Evaluate Gradients & Update Parameters
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- After evaluating the cost function, the free parameters in the pipeline should be updated in a direction expected to decrease the cost.
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- This is most commonly performed via gradient descent.
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### Pre-requisites
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<br>
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* [Vagrant](https://www.vagrantup.com/).
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* [Virtual Box](https://www.virtualbox.org/).
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* [Kubeflow and MiniKF](https://www.kubeflow.org/docs/other-guides/virtual-dev/getting-started-minikf/).
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### References
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<br>
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* [Announcing TensorFlow Quantum: An Open Source Library for Quantum Machine Learning](https://ai.googleblog.com/2020/03/announcing-tensorflow-quantum-open.html).
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