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list.sort() vs. sorted(list) article - Memory Consumption
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| import random | |
| import resource | |
| import sys | |
| import time | |
| from sniffing import FunctionSniffingClass | |
| def list_sort(arr): | |
| return arr.sort() | |
| def sorted_builtin(arr): | |
| return sorted(arr) | |
| if __name__ == "__main__": | |
| if len(sys.argv) != 2: | |
| sys.exit("Please run: python (sort|sorted)") | |
| elif sys.argv[1] == "sorted": | |
| func = sorted_builtin | |
| elif sys.argv[1] == "sort": | |
| func = list_sort | |
| else: | |
| sys.exit("Please run: python (sort|sorted)") | |
| # Lib Testing Code | |
| arr = [random.randint(0, 50) for r in range(1_000_000)] | |
| mythread = FunctionSniffingClass(func, arr) | |
| mythread.start() | |
| used_mem = 0 | |
| max_memory = 0 | |
| memory_usage_refresh = .005 # Seconds | |
| while(1): | |
| time.sleep(memory_usage_refresh) | |
| used_mem = (resource.getrusage(resource.RUSAGE_SELF).ru_maxrss) | |
| if used_mem > max_memory: | |
| max_memory = used_mem | |
| # Check to see if the function call is complete | |
| if mythread.isShutdown(): | |
| # Uncomment if yu want to see the results | |
| # print(mythread.results) | |
| break; | |
| print("\nMAX Memory Usage:", round(max_memory / (2 ** 20), 3), "MB") |
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