page 99999  page 9999   LogData size 9999
Legacy      1305.5  11.009      1,048,576B          16,777,216B
QListString 0.055   0.0027      3,777,200B          18,644,700B



Memory test:
everything commented except RandomPage

Memory using top:
99999 (8.5Mib file):
    legacy      44m,20m
    qliststr    33m,11m
4999999 (428MiB file):
    legacy      464m,442m
    qliststr    1090m,1.0g

'Legacy' implementation:
********* Start testing of TestLogData *********
Config: Using QTest library 4.5.0, Qt 4.5.0
PASS   : TestLogData::initTestCase()
- 14:12:30.621 DEBUG: Found 99999 lines.
- 14:12:30.639 DEBUG: Found 99999 lines.
- 14:12:30.707 DEBUG: Found 99999 lines.
- 14:12:30.717 DEBUG: Found 99999 lines.
- 14:12:30.728 DEBUG: Found 99999 lines.
RESULT : TestLogData::simpleLoad():
     10 msec per iteration (total: 21, iterations: 2)
PASS   : TestLogData::simpleLoad()
- 14:12:30.780 DEBUG: Found 99999 lines.
RESULT : TestLogData::sequentialRead():
     650,750 msec per iteration (total: 650750, iterations: 1)
PASS   : TestLogData::sequentialRead()
- 14:23:21.586 DEBUG: Found 99999 lines.
RESULT : TestLogData::randomPageRead():
     1,305,466 msec per iteration (total: 1305466, iterations: 1)
PASS   : TestLogData::randomPageRead()
PASS   : TestLogData::cleanupTestCase()
Totals: 5 passed, 0 failed, 0 skipped
********* Finished testing of TestLogData *********


With 9999 lines:
RESULT : TestLogData::simpleLoad():
     1.3 msec per iteration (total: 21, iterations: 16)
PASS   : TestLogData::simpleLoad()
- 14:53:26.232 DEBUG: Found 9999 lines.
RESULT : TestLogData::sequentialRead():
     6,475 msec per iteration (total: 6475, iterations: 1)
PASS   : TestLogData::sequentialRead()
- 14:53:32.713 DEBUG: Found 9999 lines.
RESULT : TestLogData::randomPageRead():
     11,009 msec per iteration (total: 11009, iterations: 1)
PASS   : TestLogData::randomPageRead()
PASS   : TestLogData::cleanupTestCase()
Totals: 5 passed, 0 failed, 0 skipped

Memory: 1,048,576B



Tab expansion fix:
before:
    TestLogData::sequentialRead(): 58,011 msec
    TestLogData::randomPageRead(): 11,376 msec

after step 1:
    TestLogData::sequentialRead(): 55,662 msec
    TestLogData::sequentialReadExpanded(): 91,141 msec
    TestLogData::randomPageRead(): 10,592 msec
    TestLogData::randomPageReadExpanded(): 183,567 msec