04:09:42 Load from Gnumeric file
Call time to read Workbook was 1.4363 seconds
04:09:44 Current memory usage: 4 MB
04:09:44 Write to Excel2007 format
04:09:45 File written to E:\item\doctor\vendor\phpoffice\phpexcel\Examples\GnumericReader.xlsx
04:09:45 Peak memory usage: 6 MB
04:09:45 Done writing file