https://github.com/eyantra698sumanto/qsim_alu
This repository contains Qiskit code to simulate an ALU using QSim
https://github.com/eyantra698sumanto/qsim_alu
Last synced: 4 months ago
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This repository contains Qiskit code to simulate an ALU using QSim
- Host: GitHub
- URL: https://github.com/eyantra698sumanto/qsim_alu
- Owner: Eyantra698Sumanto
- License: apache-2.0
- Created: 2023-07-18T20:50:03.000Z (almost 2 years ago)
- Default Branch: main
- Last Pushed: 2024-09-07T16:55:27.000Z (9 months ago)
- Last Synced: 2025-01-09T16:02:17.235Z (5 months ago)
- Language: Jupyter Notebook
- Size: 80.1 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# Quantum Computing Hackathon July 2023 by CDAC
# QSim_ALU
This repository contains Qiskit code to simulate an ALU using QSim
## Table of Contents
- [Steps to run the code](#steps-to-run-the-code)
- [Code Description](#code-description)
* [Import packages](#import-packages)
* [Create quantum and classical registers](#create-quantum-and-classical-registers)
* [Create quantum circuit](#create-quantum-circuit)
* [Set inputs](#set-inputs)
* [Convert inputs to binary strings](#convert-inputs-to-binary-strings)
* [Set input bits](#set-input-bits)
* [Perform ALU operations](#perform-alu-operations)
* [Measure the output bits](#measure-the-output-bits)
* [Execute the circuit on the density matrix simulator](#execute-the-circuit-on-the-density-matrix-simulator)
* [Print the density matrix of the final state](#print-the-density-matrix-of-the-final-state)
- [Output](#output)
* [Quantum circuit for addition](#quantum-circuit-for-addition)
* [QSim Output](#qsim-output)
- [Contributer](#contributer)
## Steps to run the code
### Using QSim
1. Register on the QSim Portalhttps://qctoolkit.in)
2. Log in to QSim along with your given Username and Password.
3. Paste the **[Code](https://github.com/Eyantra698Sumanto/QSim_ALU/blob/main/code/ALU.py)** in the QSim editor.
5. Click on the run circuit button:
### Using Blender
1. Run Blender by clicking on the following **[LINK](https://mybinder.org/v2/gh/indian-institute-of-science-qc/qiskit-aakash/bea98fbff86c234c0b1990add17493a1e86917cb?labpath=dm_simulator_user_guide)**.
2. Open a New Notebook.
3. Upload the .ipynb file at following **[LINK](https://github.com/Eyantra698Sumanto/QSim_ALU/blob/main/code/alu.ipynb)**.
4. Click on **Restart Kernal and All Cells** button.
5. Now all the cells will be run!
## Code Description
### Import packages
```
from qiskit import QuantumRegister, ClassicalRegister
from qiskit import QuantumCircuit, execute, BasicAer
import numpy as np
```
### Create quantum and classical registers
```
q = QuantumRegister(10, 'q')
c = ClassicalRegister(10, 'c') # Output registers
```
### Create a quantum circuit
```
qc = QuantumCircuit(q, c)
```
### Set inputs
```
input_1 = 5
input_2 = 3
operation = 'Multiplication'
```
### Convert inputs to binary strings
This step is needed since the inputs will be in the binary string format.
```
bin_input_1 = format(input_1, '03b')
bin_input_2 = format(input_2, '03b')
```
### Set input bits
```
for i, bit in enumerate(bin_input_1):
if bit == '1':
qc.x(q[i + 2]) # Apply X gate to q[2] and q[3]
for i, bit in enumerate(bin_input_2):
if bit == '1':
qc.x(q[i + 4]) # Apply X gate to q[4] and q[5]
```
### Perform ALU operations
1. Addition
2. Substraction
3. Multiplication
4. Division
5. XOR
6. AND
7. OR
8. NOT
**Example of Addition:**
```
qc.cx(q[3], q[0]) # Swap q[3] and q[0]
qc.cx(q[4], q[0]) # XOR
qc.ccx(q[3], q[4], q[0]) # AND
```
### Measure the output bits
```
qc.measure(q[0], c[0])
qc.measure(q[1], c[1])
qc.measure(q[4], c[2])
qc.measure(q[2], c[3])
```
### Execute the circuit on the density matrix simulator
```
backend = BasicAer.get_backend('dm_simulator')
job = execute(qc, backend=backend, **options)
job_result = job.result()
```
### Print the density matrix of the final state
```
density_matrix = job_result.results[0].data.densitymatrix
print(density_matrix)
```
## Output
### Quantum circuit for addition
### QSim Output
## Acknowlgements
1. CDAC Team
2. IIT Roorkee
3. IISc Bangalore
4. All other organizers
## Contributer
Sumanto Kar
Student and Project Staff, IIT Bombay
Contact: [email protected]
## Thank You!