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Benchmarks
C51 Benchmarks
C251 Benchmarks
XC16x/C16x/ST10 Benchmarks
Keil C251 Code Comparison
The following benchmarks compare the output generated by the Keil C251 Version 3 251 compiler. The source code used for the benchmarks is included with the C251 Evaluation Software.
| Sieve Benchmarks |
Compiler | |
|---|---|---|
| C251 V3.11 | C251 V3.11 | |
| Settings | ||
| Mode | SOURCE | BINARY |
| Memory Model | TINY | TINY |
| ROM Model | LARGE | LARGE |
| Optimization Level | 6,SPEED | 6,SPEED |
| Performance | ||
| Execution Time 16MHz 8xC251Sx |
0.548 secs | 0.685 secs |
| Code Size Module |
112 bytes | 143 bytes |
| Code Size Total |
896 bytes | 1,072 bytes |
| EDATA Size Dynamic |
8,446 bytes | 8,446 bytes |
| Dhrystone Benchmarks |
Compiler | |
|---|---|---|
| C251 V3.11 | C251 V3.11 | |
| Settings | ||
| Mode | SOURCE | BINARY |
| Memory Model | XSMALL | XSMALL |
| ROM Model | LARGE | LARGE |
| Optimization Level | 6,SPEED | 6,SPEED |
| Performance | ||
| Execution Time 16MHz 8xC251Sx |
0.093 secs | 0.093 secs |
| Code Size Module |
1,195 bytes | 1,509 bytes |
| Code Size Total |
2,612 bytes | 3,182 bytes |
| EDATA Size Dynamic |
5,518 bytes | 5,518 bytes |
| Whetstone Benchmarks |
Compiler | |
|---|---|---|
| C251 V3.11 | C251 V3.11 | |
| Settings | ||
| Mode | SOURCE | BINARY |
| Memory Model | TINY | TINY |
| ROM Model | LARGE | LARGE |
| Optimization Level | 6,SPEED | 6,SPEED |
| Performance | ||
| Execution Time 16MHz 8xC251Sx |
0.462 secs | 0.567 secs |
| Code Size Module |
1,937 bytes | 2,486 bytes |
| Code Size Total |
5,149 bytes | 6,432 bytes |
| DATA Size Dynamic |
119 bytes | 119 bytes |
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