livewinrar5

PerformanceTest–BackupAssistZIP,WinZIP,andWinRARwww.
BackupAssist.
com1ThefollowingtestsweredesignedtocomparetheperformanceofBackupAssist'sZipEnginewithotherpopularZIPcompressionapplications:WinZIPandWinRAR.
Testswererunagainstthesamesetofdatatodeterminetheencryptionspeed,transferspeedandcompressionlevelofthedifferentZIPtechnologiesexamined.
HardwareusedWindowsServer2008withIntelQ9550(Quadcore2.
83GHz)processor,8.
00GBRAManddualSATAdrives.
SoftwareusedBackupAssistv6.
0.
0–availablefordownloadhere:http://www.
backupassist.
com/BackupAssist/download.
phpBackupswerecreatedusingtheBackupAssistZipEngine.
WinZIPv14.
5–availablefordownloadhere:http://www.
winzip.
com/downwz.
htmWinRARv3.
93–availablefordownloadhere:http://www.
rarlab.
com/download.
htmFilesetused2,207filestotaling1.
92GB:2,199fileswerelessthan100MBinsize5fileswerebetween100MBand200MBinsize.
2fileswerebetween200MBand1GBinsize.
FileswerebackedupfromonelocallyinstalledSATAdrivetoanotherSATAdriveonthesamemachine:TestresultsForthefollowingtests,2,207fileswereselectedfromalivecompanynetworkshareandcompressedusingthreedifferentZIPapplicationstoa.
ZIParchive.
Filesincludedtypicalofficedocuments,suchasMSWord,ExcelspreadsheetsandPowerPointpresentations,aswellasimages,PDFfiles,andlargerfileslike.
ISOimages.
Selectedsize(GB).
ZIParchivesize(GB)CompressionlevelCompressionratioTimetaken(h:mm:ss)Speed(GB/hr)BackupAssistv61.
921.
70Medium1.
13:10:00:34179WinZIP1.
921.
68Medium1.
14:10:01:4756WinRAR1.
921.
62Medium1.
19:10:06:1915IntheabovetablewecanseethatthecompressionratioachievedwasverysimilaracrossallZIPapplicationstested,butthatthetimetakentocompletethebackupvaried,withBackupAssistbeingconsiderablyfasterwhencompressingthesamesetofdata.
ZipTechnology(BackupAssistZip/WinZIP/WinRAR)SourcedrivedriveBackupdrivePerformanceTest–BackupAssistZIP,WinZIP,andWinRARwww.
BackupAssist.
com2EncryptiontimeThefollowinggraphshowshowpasswordencryptingthe.
ZIParchiveusingAES256-bitencryptioneffectsthetimetakentocompleteabackup.
Compressionwassetto0fortheseteststodeterminetheeffectofjustencryptiononbackuptimes.
TestingshowsthatencryptionhasarelativelyminimalimpactonbackuptimesforWinRARandBackupAssist(20%and40%respectively),butcausesa93%increaseincompressiontimeforWinZIP,increasingfrom47secondsto91seconds.
Throughput(GB/h)vs.
CompressionlevelThefollowinggraphshowshowthelevelofcompressioneffectsthespeedofthebackup.
ThesamesetofdatawascompressedusingNoCompression,MediumCompressionandHighCompressionsettings.
TestingshowsthatBackupAssist,whichincludeshighperformancemultithreadingarchitecture,outperformsbothWinZIPandWinRARwhencompressionisenabledbyupto164GB/houratMediumCompressionlevelsand109GB/houratHighCompressionlevels.
WhilethecompressedarchivescreatedbyWinZIPandWinRARweresmallerinsizethanthosecreatedbyBackupAssist,thedifferenceinsizewasminimal(seethefollowinggraph)anddidnotaccountfortheadditionaltimetakentocompletethebackup.
0:000:140:280:430:571:121:261:40Compressiontimewith256AESencryption,inminutes:secondsEncryptionenabledEncryptiondisabledBackupAssistv6WinZIPWinRAR050100150200250300350400NoCompressionMediumCompressionHighCompressionThroughput(GB/h)CompressionlevelusedBackupAssistv6WinZIPWinRARPerformanceTest–BackupAssistZIP,WinZIP,andWinRARwww.
BackupAssist.
com3Archivesize(GB)vs.
CompressionratioThefollowinggraphshowshowthelevelofcompressionappliedeffectsthesizeofthebackup.
ThesamesetofdatawascompressedusingNoCompression,MediumCompression(50%)andHighCompression(100%)settings.
TestingshowsthatWinRARoutperformsbothWinZIPandBackupAssistintermsofcreatingsmallercompressed.
ZIParchives.
However,whileBackupAssistarchiveswereapproximately6%largerthanthosecreatedusingWinRAR,backuptimesinBackupAssistwereupto11timesfaster,asshowinthegraphonpage2.
Summary/conclusionBackuptimeswithencryptionenabled:1.
WinRAR:20%increase,from21secondsto25seconds2.
BackupAssist:40%increase,from20secondsto28seconds3.
WinZip:93%increase,from47secondsto91seconds.
Throughput(GB/hour)withMediumCompression:1.
BackupAssist:180GB/hour2.
WinZip:56GB/hour3.
WinRAR:15GB/hourArchivesizewithMediumCompression::1.
WinRAR:1.
62GBarchive(1.
19:1compressionratio)2.
WinZip:1.
67GBarchive(1.
14:1compressionratio)3.
BackupAssist:1.
7GBarchive(1.
13:1compressionratio)Wecanseefromthesetestresultsthatintermsofspeed,BackupAssist'sZipEngine,whichbenefitsfrommultithreadingarchitecture,faroutperformsbothWinZipandWinRARbyuptoafactorof12whilestillofferinghighlycomparablecompressionratios,makingitaperfectsolutionforeventhemostdemandingbusinessbackups.
Andwithsupportfortapebackups,theBackupAssistZIPEngineissuitableforanyorganization:fromthesmallestbusinesswantingabasicsolution,tolargeenterprisesneedinglongtermdataarchivaltotape.
FormoredetailsonBackupAssist'sZipEnginevisitourZipproducttourpage,whichcontainsfurtherlinkstowhitepapers,brochuresandfactsheets:http://www.
backupassist.
com/BackupAssist/tour_Zip.
html1.
451.
51.
551.
61.
651.
71.
751.
81.
851.
91.
95NoCompressionMediumCompressionHighCompressionArchivesiez(GB)CompressionlevelusedBackupAssistv6WinZIPWinRAR