Callum Watson
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Uploaded a forced crash
RAM upon 1.6.2 startup: 240640k
After creating a world and leaving after 5 mins: 511228k - Slight Lag
Creation of a second world and leaving after 5 mins: 755,224k - Major Lag
Creation of a third world and leaving after 5 mins: 1063,384k - Unplayable Lag
Creation of a fourth world and leaving after 5 mins: 1370028k - The memory limit is default, 1024MB
CPU usage upon startup: 20-50% (1.3Ghz dual core, javaw.exe usage)
In-game: 70-95%
Old Usage using the 1.5.2 and lower launcher w/ 1.5.2: 10% on menu, 40% in-game
Evidently the memory leak isn't fixed in 1.6.2
Contrary to Kumasasa's request, I installed the latest development version of java, java 8, and found all the performance problems vanish. The cpu is still fairly high but the RAM stays low, and my fps stuck to vsync even whilst loading worlds.