Calculating Circumference in Assembly

This repository serves as a simple introduction to working with SSE registers for floating-point operations. It includes two solutions for calculating the circumference of a circle, serving as a warm-up exercise in assembly programming.

Overview

Solutions Provided

1. circ-simple.S: A straightforward implementation.
2. circ-fast.S: An optimised version that scored higher in my university's testing program.

Note: While circ-fast performed better in the testing program, local benchmarks with -O3 optimisation show circ-simple is actually faster.

Usage

To run the code, use the following commands:

# Compile circ-simple.S circ-fast.S and circ.c
gcc -O3 -o main circ-simple circ-simple.S

# Run the binaries
./main

Benchmark Results

The benchmark is conducted five times, and the average of the results for each function is calculated.

Method	Time Taken	Cycles Taken
circ-fast	0.0045174s	13,181,039.2
circ-simple	0.0030568s	8,919,960.4