5903 Intro Scientific Prog:
Timing IO: Specification

 

1. Compare the following times (graphs, tables, words, etc.)
1. Reading n doubles in batches of m using fscanf.
2. Reading n floats in batches of m using fscanf.
3. Reading n ints in batches of m using fscanf.
4. Reading n chars in batches of m using fscanf.
5. Reading n chars in batches of m using fgetc.
6. Writing n doubles in batches of m using fprintf.
7. Writing n floats in batches of m using fprintf.
8. Writing n ints in batches of m using fprintf.
9. Writing n chars in batches of m using fprintf.
10. Writing n chars in batches of m using fputc.
2. By opening and closing a file repeatedly try to work out how long it takes for these bookkeeping operations.