A script to compare the runtime of a snap vs non-snap binary

snap-vs-nonsnap.py

import subprocess
import time
from statistics import mean
import json

def run_command(command, iterations=10):
    durations = []
    for i in range(iterations):
        start_time = time.time()
        result = subprocess.run(command.split(), capture_output=True)
        if result.returncode != 0:
            print(f"Error running command: {result.stderr.decode()}")
            continue
        duration = time.time() - start_time
        durations.append(duration)
        print(f"Iteration {i+1}: {duration:.2f}s")
    return durations

# Commands to test
snap_command = "snap run syft -q ubuntu:latest -o syft-json=sbom_ubuntu_latest.json"
local_command = "/home/alan/bin/syft -q ubuntu:latest -o syft-json=sbom_ubuntu_latest.json"

print("Testing snap command...")
snap_times = run_command(snap_command)

print("\nTesting local command...")
local_times = run_command(local_command)

# Generate markdown table
print("\n| Command | Min (s) | Max (s) | Average (s) |")
print("|---------|---------|---------|-------------|")
print(f"| snap run | {min(snap_times):.2f} | {max(snap_times):.2f} | {mean(snap_times):.2f} |")
print(f"| ~/bin/syft run | {min(local_times):.2f} | {max(local_times):.2f} | {mean(local_times):.2f} |")

syft-snap-vs-non-snap.md

Command	Min (s)	Max (s)	Average (s)
snap run	2.06	2.48	2.17
~/bin/syft run	2.04	2.47	2.19