Archive Comparison Test - by Jeff Gilchrist
October 7, 2002 Macintosh Edition


Executable Compression Test

The specifications and configuration of the test computer can be found here.

The executable file test includes three files:

The links to download these test files can be found here.

Legend
+ - New program tested
B - Best compression (smallest compressed file)
F - Fastest compression time
Q - Quickest extraction time
O - Best overall (smallest overall score - calculated by adding compress time, extract time, and time it would take to transfer the compressed file over a 28,800bps network)
+HQX - means that the test files were compressed and then BASE-64 encoded.
+TAR - means that the test files were stored together in one TAR file first and then compressed.
+UU - means that the test files were compressed and then UU encoded.

  ACT 2.0 Executable Test              
  Total Files Size (bytes): 4,938,680            
  Name Switches

Compress
Time

Extract
Time

Compressed
Size

Overall
Score

Compress
Ratio

Bits per
Byte

     

(seconds)

(seconds)

(bytes)

(seconds)

(%)

(b/B)

+BO Stuffit Deluxe 7.0 -> SITX (Max)

12.08

10.07

1,956,304

565.57

60.39

3.1690

+ Stuffit Deluxe 7.0 -> SITX (Med)

12.20

10.05

1,956,304

565.67

60.39

3.1690

  MacRAR 2.5b5 -m4 -mm -md1024 -s

106.53

2.32

1,961,180

653.62

60.29

3.1768

Q MacRAR 2.5b5 -m4 -mm -md1024

96.68

2.07

1,962,904

644.00

60.25

3.1796

  MacRAR 2.5b5 -mm -md1024

72.74

2.14

1,965,293

620.79

60.21

3.1835

  Stuffit Deluxe 6.5 -> SIT (Max)

14.85

10.07

2,068,095

599.39

58.12

3.3500

  BZIP2 0.0b2+TAR 400k

14.44

7.95

2,087,672

602.30

57.73

3.3817

+ Stuffit Deluxe 7.0 -> ZIP (Max)

11.46

2.62

2,088,310

594.17

57.72

3.3828

+ Stuffit Deluxe 7.0 -> GZIP+TAR (Max)

13.14

2.67

2,088,647

595.99

57.71

3.3833

+ Stuffit Deluxe 7.0 -> BZIP+TAR (Fast)

12.02

3.96

2,095,010

597.93

57.58

3.3936

+ Stuffit Deluxe 7.0 -> BZIP+TAR (Max)

13.14

4.13

2,100,123

600.64

57.48

3.4019

  Stuffit Deluxe 6.5 -> BZIP+TAR (Max)

14.71

7.14

2,100,404

605.30

57.47

3.4024

  BZIP2 0.0b2+TAR 900k

15.47

8.29

2,107,111

609.07

57.33

3.4132

  Stuffit Deluxe 6.5 -> BZIP+TAR (Fast)

13.05

7.02

2,121,812

609.46

57.04

3.4371

  Stuffit Deluxe 6.5 -> ZIP (Max)

10.44

4.39

2,138,386

608.83

56.70

3.4639

  PKZIP 2.03 (Max)

25.04

4.65

2,138,592

623.74

56.70

3.4642

  SmartZip 1.0.1 (none)

12.18

4.14

2,139,725

610.69

56.67

3.4661

  Stuffit Deluxe 6.5 -> GZIP+TAR (Max)

13.03

5.08

2,141,473

612.96

56.64

3.4689

  MacGZIP 1.1 + TAR (Level 9)

11.30

4.39

2,143,788

611.19

56.59

3.4726

  ZIPIT 2.1 (Level 9)

10.77

2.94

2,144,123

609.30

56.59

3.4732

  PKZIP 2.03 (Normal)

13.89

4.63

2,149,563

615.62

56.47

3.4820

  MacGZIP 1.1 + TAR (Level 6)

6.80

4.37

2,150,500

608.53

56.46

3.4835

  ZIPIT 2.1 (Level 5)

5.32

2.89

2,165,160

609.64

56.16

3.5073

  Stuffit Deluxe 6.5 -> SIT (Fast)

6.89

3.58

2,223,206

628.03

54.98

3.6013

+ Stuffit Deluxe 7.0 -> SITX (Fast)

13.17

3.51

2,233,440

637.08

54.78

3.6179

+ Stuffit Deluxe 7.0 -> ZIP (Fast)

5.78

2.46

2,233,493

628.65

54.78

3.6180

+ Stuffit Deluxe 7.0 -> GZIP+TAR (Fast)

7.92

2.60

2,235,487

631.49

54.74

3.6212

  PKZIP 2.03 (Fast)

8.73

4.89

2,244,631

637.13

54.55

3.6360

  Stuffit Deluxe 6.5 -> ZIP (Fast)

3.92

4.79

2,287,408

644.10

53.68

3.7053

  Stuffit Deluxe 6.5 -> GZIP+TAR (Fast)

7.61

5.01

2,337,419

661.90

52.67

3.7863

F ZIPIT 2.1 (Level 1)

4.29

2.73

2,344,065

658.15

52.54

3.7971

  MacGZIP 1.1 + TAR (Level 1)

4.78

4.46

2,345,688

660.82

52.50

3.7997

  Stuffit Deluxe 6.5 -> LHA (Max)

10.18

3.37

2,276,767

645.99

53.90

3.6881

  Stuffit Deluxe 6.5 -> LHA (Fast)

12.67

5.97

2,320,000

663.08

53.02

3.7581

+ Stuffit Deluxe 7.0 -> SIT+HQX (Max)

15.15

12.35

2,659,414

766.23

46.15

4.3079

  Stuffit Deluxe 6.5 -> SIT+HQX (Max)

18.04

12.02

2,811,765

811.11

43.07

4.5547

+ Stuffit Deluxe 7.0 -> ZIP+UU (Max)

13.39

4.93

2,877,261

817.56

41.74

4.6608

  Stuffit Deluxe 6.5 -> ZIP+UU (Max)

12.35

6.90

2,946,255

837.65

40.34

4.7725

+ Stuffit Deluxe 7.0 -> TAR (none)

2.21

1.15

4,941,824

1376.09

-0.06

8.0051

  Stuffit Deluxe 6.5 -> TAR (none)

4.02

2.42

4,941,824

1379.17

-0.06

8.0051

  MacTAR 4.2.1 (none)

1.59

1.66

4,945,920

1377.12

-0.15

8.0117

                 
  Best Compression: Stuffit Deluxe 7.0 -> SITX            
  Fastest Compression: ZIPIT 2.1            
  Quickest Extraction: MacRAR 2.5b5            
  Best Overall: Stuffit Deluxe 6.5 -> SIT            

 

Legend
+ - New program tested
B - Best compression (smallest compressed file)
F - Fastest compression time
Q - Quickest extraction time
O - Best overall (smallest overall score - calculated by adding compress time, extract time, and time it would take to transfer the compressed file over a 28,800bps network)
+HQX - means that the test files were compressed and then BASE-64 encoded.
+TAR - means that the test files were stored together in one TAR file first and then compressed.
+UU - means that the test files were compressed and then UU encoded.

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