APFIVE Parallel Computing Speedup Analysis
When a data processing application is modified to use parallel computing with 4 processors, its execution time decreases from 100 seconds to 40 seconds. What percentage of the application’s original workload must be performed sequentially?
A
20%
B
75%
C
25%
D
60%
Question Leaderboard
| Rank | |||||
|---|---|---|---|---|---|
| #1 | Al301885 | 3 | 4 | 0m 25s | 265 |
| #2 | 230013 | 1 | 1 | 0m 00s | 100 |
| #3 | edenle | 1 | 1 | 0m 00s | 100 |
| #4 | soniahalepota2005 | 1 | 1 | 0m 09s | 91 |
| #5 | emmalinecandersen | 1 | 2 | 0m 22s | 68 |
| #6 | m6namrouti | 1 | 3 | 0m 38s | 42 |
| #7 | ardenashuri | 1 | 2 | 1m 10s | 20 |
| #8 | s13242 | 0 | 1 | 0m 00s | -10 |
| #9 | andymeng14440 | 0 | 1 | 0m 15s | -25 |
| #10 | advay.ajailalsumi | 0 | 1 | 0m 18s | -28 |
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