Table 8 Performance evaluation between HEROS and TinyOS.
From: An Embedded System Dedicated to Intervehicle Communication Applications
HEROS (AT91SAM7S256) | TinyOS (ATmega128) | |||
|---|---|---|---|---|
Operations | Cost (cycle) | Time ( | Cost (cycle) | Time ( |
Scheduling a task | 43 | 0.895 | 46 | 11.5 |
Context Switch | 56 | 1.165 | 51 | 12.75 |
Hardware Interrupt (hw) | 5 | 0.104 | 9 | 2.25 |
Hardware Interrupt (sw) | 61 | 1.269 | 71 | 17.75 |
OS Size (byte) | ||||
CODE | 3572 | 1272 | ||
DATA | 432 | 48 | ||
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