Uzipping Files and Reading Info

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C#

C#4.0

Hi,
I have been using the DotNetZip Library to unzip the files to a destination folder,but the p[process is too slow, can anyone suggest me any faster way to do so. the code I am using is :

using(var zip = Ionic.Zip.ZipFile.Read(Filename)) 
{ 
    zip.ExtractAll(DestinationFolderPath); 
} 

This takes a hell of a lot of time, as I am unzipping around 2200 files Can anyone suggest a faster way to do so. So I tried using Memory mapped files in order to make the process faster so that I can extract the files on the virtual memory, but this didn't work as

zip1.ExtractAll(Destination_path);

requires a destination path and I cant get one for the memory mapped files.

My Question is : Is there any way I can reduce the amount of time taken to extract the files on my hard disk or is there any way I dont have to extract and get all the information?Please let me know if someone knows the answer.

Please note my application is windows based.

Thanks