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Windows 7: What's your CPU compression rate

09 Dec 2013   #41
ganjiry

Win7 Home Premium x64 SP1
 
 

Cheers chap! I shall have a butchers in a min


My System SpecsSystem Spec
.
09 Dec 2013   #42
Skits559

Windows 8.1 Pro 64bit
 
 

fgh
My System SpecsSystem Spec
09 Dec 2013   #43
Skits559

Windows 8.1 Pro 64bit
 
 

Got a game running in the background, not sure if it makes a difference, but i was expecting higher, a little disappointed


Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Users\brian>cpu -compression
'cpu' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\brian>cpu-compression
'cpu-compression' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\brian>winsat cpu -compression
Windows System Assessment Tool
> Running: Feature Enumeration ''
> Run Time 00:00:00.00
> Running: CPU Assessment '-compression'
> Run Time 00:00:10.42
> CPU LZW Compression 365.69 MB/s
> Total Run Time 00:00:13.57

C:\Users\brian>winsat cpu -compression
Windows System Assessment Tool
> Running: Feature Enumeration ''
> Run Time 00:00:00.00
> Running: CPU Assessment '-compression'
> Run Time 00:00:10.19
> CPU LZW Compression 365.98 MB/s
> Total Run Time 00:00:13.23

C:\Users\brian>
My System SpecsSystem Spec
.

10 Dec 2013   #44
netadict

Windows 7 Professional 32 bit
 
 

A really stupid question coming up, drum roll please...

What is CPU compression?
My System SpecsSystem Spec
10 Dec 2013   #45
ganjiry

Win7 Home Premium x64 SP1
 
 

Quote   Quote: Originally Posted by netadict View Post
A really stupid question coming up, drum roll please...

What is CPU compression?
Gary linked an explanation here mate

Quote   Quote: Originally Posted by Britton30 View Post
Quote   Quote: Originally Posted by ganjiry View Post
Does anyone know what it's actually measuring? I'd got a load of browser tab's, you tube video and Procon running when I tested.
Here's a fairly simple explanation Ryan, I didn't know either.
PassMark CPU Benchmarks - CPU Test Information

This is my i7-3770K rig, My i5-2550K got a 576.4MBs.
My System SpecsSystem Spec
10 Dec 2013   #46
Dude

Windows 10 Pro X64
 
 

update
What's your CPU compression rate-cpu-compression.png


My System SpecsSystem Spec
10 Dec 2013   #47
Dude

Windows 10 Pro X64
 
 

Quote   Quote: Originally Posted by netadict View Post
A really stupid question coming up, drum roll please...

What is CPU compression?
As stated in Gary's link

The Compression Test measures the speed that the CPU can compress blocks of data into smaller blocks of data without losing any of the original data. The result is reported in Kilobytes per Second. This test uses complex data structures and complex data manipulation techniques to perform a function that is very common in software applications, ranging from backup software to Email software. The compression test uses an Adaptive encoding algorithm based on a method described by from Ian H. Witten, Radford M. Neal, and John G. Cleary in an article called “Arithmetic Coding for Data Compression”. The system uses a model which maintains the probability of each symbol being the next encoded. It reports a compression rate of 363% for English text, which is slightly better than the classic Huffman method. This tests uses memory buffers totaling about 16kb per core.
My System SpecsSystem Spec
10 Dec 2013   #48
netadict

Windows 7 Professional 32 bit
 
 

OK the cpu compresses data to enable it to deal with less data. This assumes that it's faster to compress and deal with the compressed data than to deal with non compressed data. Does compression mean something like zipping a file or trunjating data that the processor does not need?
My System SpecsSystem Spec
12 Dec 2013   #49
jmichae3

win7ult64sp1retail
 
 

"cpu compression" is the wrong title. "file compression cpu test" would be more descriptive and accurate I think. to my knowledge, the i7 doesn't have compression instructions. this is done through software.
zipping a file is basically the same thing. except with this you time it.
My System SpecsSystem Spec
12 Dec 2013   #50
netadict

Windows 7 Professional 32 bit
 
 

Great! Thank you all for your replies
My System SpecsSystem Spec
Reply

 What's your CPU compression rate




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