Mid ka mid ah jahawareerkii ugu dambeeyay wuxuu ahaa: haddii aan sireeyo kombuyuutarkayga, imisa ayay ku dhici doontaa shaqada xisaabinta? Ma jiri doonaa farqi weyn? Hadday haa tahay, waa kuwee meelaha? Taasi waa sababta aan u go'aansaday inaan tijaabiyo qaar ka mid ah kumbuyuutarradayda oo aan wax badan ka barto saameynta sirta TrueCrypt ay ku leedahay waxqabadka xisaabinta.

Nidaamyada La tijaabinayo

Tijaabooyinka waxaa lagu sameeyay laba kombiyuutar: desktop iyo laptop. Mashruucu wuxuu leeyahay qaabeynta soo socota: AMD Phenom II X4 905 (2.5 GHz ) processor, Gigabyte GA-MA785GT-UD3H Motherboard, xusuusta waa Corsair XMS3 DHX 6GB DDR3 1600 MHz , Gigabyte Radeon HD6870 OC 1GB DDR5 video card iyo 120GB RunCore Pro V2.5^{(RunCore Pro)} " SATA III SSD .

Si ka duwan desktop-ka, Laptop-ku ma laha SSD . Waxaa lagu qalabeeyay qaybaha soo socda: Intel Core2 Quad CPU Q9000 @ 2.00 GHz , 6 GB RAM DDR2 , ATI Mobility Radeon HD 4650 iyo ^{(ATI Mobility Radeon HD 4650)}HDD hybrid - Seagate Momentus XT 500GB .

Labada nidaam midkoodna ma laha rakibaad Windows nadiif ah. Waxa la isticmaalayey bilo badan waxana ay haysteen dhamaan software-ka aan inta badan ku shaqeeyo. Tani waa sababta oo ah waxaan rabay inaan barto saameynta sirta ah ee waxqabadka ay ku yeelan doonto nidaamyada loo isticmaalo maalin kasta muddo dheer.

Tijaabooyinkii La Sameeyey

Marka hore, waxaan cabbiray waxqabadka nidaam kasta, ka hor inta aan la samaynin sirta TrueCrypt .

Waxaan ku qiyaasay waqtiyada bootinta nooca ugu dambeeyay ee Soluto . Kadib, waxaan cabiray waxqabadka xisaabinta guud anigoo isticmaalaya nooca 64-bit ee PCMark Vantage iyo garaafyada iyo waxqabadka ciyaarta anigoo isticmaalaya 3DMark Vantage Advanced .

Dhibcaha PCMark Vantage waa cabbiraadda waxqabadka kombayutarka ee kala duwan ee hawlaha xisaabinta caadiga ah sida daawashada iyo tafatirka sawirada, muqaalka, muusiga iyo warbaahinta kale, ciyaaraha, isgaarsiinta, wax soo saarka iyo amniga. Waxaad wax badan oo ku saabsan imtixaanada ay samayso ka baran kartaa boggan: PCMark Vantage features .

3DMark Vantage wuxuu qiimeeyaa waxqabadka garaafyada wuxuuna sameeyaa laba imtixaan garaaf, laba imtixaan oo CPU ah iyo lix tijaabo oo muuqaal ah. Haddii aad rabto inaad wax ka ogaato imtixaanada ay maamusho daabacaadda Sare^(Advanced) , eeg boggan: Kaarka Fiidiyowga ee DirectX 10 ee Windows^{(Video Card Benchmark for DirectX 10 on Windows)} .

Imtixaan kasta waxaa la sameeyay saddex jeer waxaanan diiwaangeliyay celceliska dhammaan saddexda orod.

Dabadeed, nidaamka wadista si buuxda ayaa loogu sireeyay TrueCrypt^(TrueCrypt) oo isla imtixaanadii ayaa mar kale la sameeyay, saddex jeer. Celceliska buundooyinka ayaa la duubay imtixaan kasta.

Sidee Sirintu Saamaynta U Yeelan Kartaa Wakhtiyada Bootka^{(Does Encryption Impact Boot Timings)} ?

Su'aashaydii ugu horreysay waxay ku saabsan tahay saameynta ku saabsan waqtiyada kabaha. Aad ayaan ula yaabay markaan ogaaday in saameyntu ay aad u yar tahay. Laptop-ka leh darawalka adag ee isku-dhafka ah, bootku wuxuu ahaa 5% (5 ilbiriqsi) oo keliya oo gaabis ah. Natiijo wanaagsan oo la yaab leh haddii aad i weydiiso.

On desktop-ka, kaas oo ku qalabaysan SSD , ma jirin wax saameyn ah oo ku saabsan waqtiyada boot. SSD si aad u wanaagsan ayay shaqadeeda u qabsatay, nadaamkuna wuxuu u kacay si degdeg ah sidii hore .

Tani waa caddayn kale oo ah in maalgelinta SSD ay bixiso waxqabad aad u wanaagsan.

Saamaynta Sirintu^(Impact) Ku Yeelan^(Encryption) Karto Waxqabadka Guud Ee Xisaabinta^{(General Computing)}

PCMark Vantage waxa ay waddaa dhawr imtixaan oo celcelis ahaan buundooyinkeedu waa celcelis ahaan 7 goobood oo imtixaan ah: Xusuus (la shaqaynta sawiro), TV-ga iyo filimada, ciyaaraha^(Gaming) , Muusiga^(Music) , Isgaarsiinta^{(Communications)} , Wax soo saarka^{(Productivity)} iyo HDD . Dhibcaha waxaa si weyn u saameeyay sirta

Laptop-ka guud ahaan 4% hoos u dhac ayaa laga dareemay halka kombuyuutarku uu hoos u dhac weyni ku yimid 15% laga dareemay.

Waxaan eegay natiijooyinka shakhsi ahaaneed, waxayna u egtahay in saameynta ugu weyn ay dareemayaan labada nidaam ee imtixaanada HDD . Halkaas, gaar ahaan SSD -ga wax badan ayaa lagu dhuftay, oo keenaya 20% waxqabad yar.

Dhammaan imtixaanadii halkaas oo xog badan oo ku qoran Hard Disk-gu ay ku lug lahaayeen, farqiga u dhexeeya waxqabadkiisu aad buu u weynaa. SSD - ku waxa uu xawaarihiisa qoraal hoos u dhacay 30% imtixaanada qaar. Si kastaba ha ahaatee, Hard Disk-ga isku-dhafka ah ee Laptop-ka ayaa si aad u yar u dhacay. Waxa hoos u dhacay xawaraha qorista balse marnaba kama hoosayn 10%.

Natiijo kale oo gaar ah oo aan ogaaday ayaa ah in waxqabadka ciyaaraha sida uu sheegay PCMark Vantage , uu ku dhacay wax yar oo qarsoodi ah - qiyaastii 5% hoos u dhac.

Saamaynta Sirintu^(Impact) Ku Yeelan Karto^(Encryption) Waxqabadka Ciyaaraha^{(Gaming Performance)}

Halbeegga sare ee 3DMark Vantage^{(3DMark Vantage Advanced)} ayaa xaqiijiyay gabagabada ku saabsan waxqabadka ciyaaraha, kaasoo ay wadaageen PCMark Vantage .

Ma jirin wax saameyn ah oo ku yimid dhammaan imtixaanada, labadaba laptop-ka iyo miiska labadaba. Hoos u dhaca waxqabadku wuxuu ka yaraa 0.1%. Aad bay u yarayd oo aan la dareemin.

Waxaan filayey saameyn aad u yar sababtoo ah xaqiiqda ah in ciyaaruhu uusan ku lug lahayn Hard Disk-ga wax badan marka loo eego qoraalka xogta. Ciyaartu waxay inta badan ku saabsan tahay akhrinta xogta, culayska saarista processor-ka, kaadhka muuqaalka iyo xusuusta RAM -kaaga . Sidaa darteed, dhib ma laha haddii nidaamkaagu qarsoodi yahay iyo haddii kale. Waxay u shaqeysaa si la mid ah.

Gabagabo

Tijaabooyinkeygu waxay muujiyeen natiijooyin xiiso leh. Waxay u muuqataa in ku siraynta kombiyuutarkaaga TrueCrypt ay saameyn macquul ah ku yeelan doonto waxqabadka nidaamkaaga. Waqtiyada bootinta waxay arki doontaa koror yar marka la isticmaalayo saxannada adag ee dhaqameed wax saameyn ahna kuma yeelan marka la isticmaalayo SSDs . Waxqabadka ciyaaraha gabi ahaanba ma saameynayo, halka hawlaha guud ee xisaabinta ay dhibi doonaan, gaar ahaan marka ay tahay inaad xogta ku qorto diskka adag. Waxa la yaab leh in kastoo ay tahay in disk-yada adag ee dhaqameedku ay u muuqdaan inay saameynayaan wax ka yar SSD^(SSDs) -yada marka la isticmaalayo sirta. Si kastaba ha ahaatee, haysashada SSD waxay weli soo bandhigaysaa waxqabad ka wanaagsan disk-ga caadiga ah, xitaa marka nidaamkaaga la sifeeyo.

What is the Performance Impact of System Encryption With TrueCrypt

One of my recеnt dilemmas was: if I encrypt my computer, hоw much will computіng performance have to suffer because of it? Will there be a big difference? If yes, in which areas? That's why I decided to rυn some tests on both my computers and learn more about the impаct TrueCrypt encryption has on computing performance.

Systems Being Tested

The tests were made on two computers: a desktop and a laptop. The desktop has the following configuration: AMD Phenom II X4 905 (2.5 GHz) processor, a Gigabyte GA-MA785GT-UD3H motherboard, the memory is Corsair XMS3 DHX 6GB DDR3 1600 MHz, a Gigabyte Radeon HD6870 OC 1GB DDR5 video card and a 120GB RunCore Pro V 2.5" SATA III SSD drive.

Unlike the desktop, the laptop doesn't have an SSD. It is equipped with the following components: Intel Core2 Quad CPU Q9000 @ 2.00 GHz, 6 GB of RAM DDR2, ATI Mobility Radeon HD 4650 and a hybrid HDD - Seagate Momentus XT 500GB.

Neither of the systems has a clean Windows installation. They were used for many months and have all the software I usually run on them. This is because I wanted to learn the performance impact encryption will have on systems that are used on a daily basis for a long period of time.

The Tests That Were Made

First, I measured the performance on each system, prior to performing the encryption with TrueCrypt.

I measured the boot timings with the latest version of Soluto. Then, I measured general computing performance using the 64-bit version of PCMark Vantage and graphics and gaming performance using 3DMark Vantage Advanced.

A PCMark Vantage score is a measure of the computer's performance across a variety of common computing tasks such as viewing and editing photos, video, music and other media, gaming, communications, productivity and security. You can learn more about the tests it performs from this page: PCMark Vantage features.

3DMark Vantage evaluates graphics performance and it runs two graphics tests, two CPU tests and six feature tests. If you want to learn about the tests run by the Advanced edition, check out this page: Video Card Benchmark for DirectX 10 on Windows.

Each test was run three times and I recorded the average of all three runs.

Then, the system drive was fully encrypted with TrueCrypt and the same tests were run again, three times. The average scores were recorded for each test.

How Does Encryption Impact Boot Timings?

My first question was about the impact on boot timings. I was pleasantly surprised to notice that the impact was minimal. On the laptop with the hybrid hard drive, the boot was only 5% (5 seconds) slower. A surprisingly good result if you ask me.

On the desktop, which is equipped with an SSD, there was no impact on boot timings. The SSD did its job very well and the system booted just as fast as before.

This is another proof that investing in an SSD delivers really good performance.

The Impact of the Encryption on General Computing Performance

PCMark Vantage runs several tests and its average score is an average of 7 testing areas: Memories (working with photos), TV and Movies, Gaming, Music, Communications, Productivity and HDD. The scores were highly impacted by encryption.

On the laptop an overall 4% decrease was noticed while on the desktop a huge 15% decrease in performance was noticed.

I looked at the individual results, and it looks like the biggest impact is felt by both systems in the HDD tests. There, especially the SSD is hit a lot, delivering 20% less performance.

In all the tests where a lot of data writing on the hard disk was involved, the difference in performance was huge. The SSD had its writing speed lowered by 30% in some tests. However, the hybrid hard disk from the laptop was hit a lot less. It had a decrease in writing speed but never lower than 10%.

Another peculiar result I noticed is that gaming performance as reported by PCMark Vantage, was hit very little by encryption - around 5% decrease.

The Impact of the Encryption on Gaming Performance

The 3DMark Vantage Advanced benchmark confirmed the conclusions about gaming performance, that were shared by PCMark Vantage.

There was no impact in all tests, both on the laptop and the desktop. The performance decrease was less than 0.1%. It was so small that it wasn't noticeable.

I expected very little impact due to the fact that gaming doesn't involve the hard disk much in terms of writing data to it. Gaming is mostly about reading data, stressing the processor, the video card and your RAM memory. Therefore, it doesn't matter if your system is encrypted or not. It works the same.

Conclusion

My tests revealed interesting results. It seems that encrypting your computer with TrueCrypt will have a reasonable impact on the performance of your system. The boot timings will see a small increase when using traditional hard disks and no impact when using SSDs. Gaming performance is not impacted at all, while general computing tasks will suffer, especially when you have to write data to the hard disk. What's strange though is that traditional hard disks seem to be impacted less than SSDs when using encryption. However, having an SSD will still deliver better performance than a traditional hard disk, even when your system is encrypted.

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