Tables accompanying the article “The Lisa 2: Apple’s ablest computer,”
published in Byte, issue 12/1984, pp. A108, A114.
Table 1: Lisa 2/5 and 2/10 performance figures:
| Empty LisaWrite file | 37,000-byte LisaWrite file |
Empty LisaDraw file | 40,000-byte LisaDraw file |
Measured times in seconds |
2/5 | 2/10 | Ratio 2/10 to 2/5 |
2/5 | 2/10 | Ratio 2/10 to 2/5 |
2/5 | 2/10 | Ratio 2/10 to 2/5 |
2/5 | 2/10 | Ratio 2/10 to 2/5 |
|
Test run immediately after start-up |
Open first time | 29 | 25 | 0.9 | 33 | 28 | 0.8 | 34 | 27 | 0.8 | 98 | 90 | 0.9 |
Save and put away | 15 | 20 | 1.3 | 63 | 51 | 0.8 | 14 | 16 | 1.1 | 13 | 14 | 1.1 |
Open second time | 4 | 3 | 0.8 | 7 | 6 | 0.9 | 6 | 5 | 0.8 | 69 | 66 | 1.0 |
Set aside | 6 | 3 | 0.5 | 7 | 6 | 0.9 | 6 | 5 | 0.8 | 8 | 8 | 1.0 |
|
Test run after two other applications are active |
Open first time | 37 | 29 | 0.8 | 39 | 31 | 0.8 | 36 | 26 | 0.7 | 100 | 86 | 0.9 |
Save and put away | 16 | 16 | 1.0 | 52 | 51 | 1.0 | 10 | 10 | 1.0 | 13 | 12 | 0.9 |
Open second time | 5 | 4 | 0.8 | 7 | 6 | 0.9 | 7 | 5 | 0.7 | 68 | 70 | 1.0 |
Set aside | 6 | 4 | 0.7 | 7 | 7 | 1.0 | 6 | 5 | 0.8 | 8 | 8 | 1.0 |
|
Save a duplicate | 12 | 14 | 1.2 | 16 | 20 | 1.2 | 10 | 9 | 0.9 | 18 | 13 | 0.7 |
Copy disk to hard disk | 3 | 3 | 1.0 | 17 | 15 | 0.9 | 4 | 3 | 0.8 | 16 | 15 | 0.9 |
Copy hard disk to disk | 4 | 3 | 0.8 | 18 | 20 | 1.1 | 4 | 4 | 1.0 | 20 | 20 | 1.0 |
Table 2: Pascal I/O benchmark results (time in seconds):
Test # | Description | 2/5 | 2/10 | Ratio 2/10 to 2/5 |
1 | Write 1024 text lines of 8 bytes each (WRITELN) | 11.0 | 11.8 | 1.1 |
2 | Read 1024 text lines of 8 bytes each (READLN) | 6.5 | 6.4 | 1.0 |
3 | Write 8 text lines of 1024 bytes each (WRITELN) | 8.0 | 9.3 | 1.2 |
4 | Read 1024 text lines of 8 bytes each (READLN) | 4.8 | 5.0 | 1.0 |
5 | Write 1 text line of 8192 bytes (WRITELN) | 8.1 | 9.0 | 1.1 |
6 | Read 1 text line of 8192 bytes (READLN) | 5.8 | 6.2 | 1.1 |
7 | Write 8192 bytes in a single block (BLOCKWRITE) | 1.5 | 2.3 | 1.5 |
8 | Read 8192 bytes in a single block (BLOCKREAD) | 1.4 | 1.4 | 1.0 |
9 | Write 100 records of 100 bytes each (sequential PUT) | 7.3 | 7.8 | 1.1 |
10 | Read 100 records of 100 bytes each (sequential GET) | 1.4 | 1.4 | 1.0 |
11 | Read 100 random records of 100 bytes each (random GET) | 5.8 | 7.4 | 1.3 |
|