I can confirm this bug:
Acer emachine E730G Win7 Home Premium SP1 Core i3 CPU 4Gig ram ATI Readon HD5470
File size 360kb LibreOffice 4.1.1.2 Calc .ods filetype Tabs (5) Max rows per tab 8849 Max Columns per tab 8 No formulas (flat data) Some fomatting, cell colour etc.
Time to save 65 seconds!!
2 CPU cores maintan approx 50%
I can confirm this bug:
Acer emachine E730G
Win7 Home Premium SP1
Core i3 CPU
4Gig ram
ATI Readon HD5470
File size 360kb
LibreOffice 4.1.1.2
Calc .ods filetype
Tabs (5)
Max rows per tab 8849
Max Columns per tab 8
No formulas (flat data)
Some fomatting, cell colour etc.
Time to save 65 seconds!!
2 CPU cores maintan approx 50%