Archive Comparison Test - by Jeff Gilchrist
(DOS/Windows) - May 12, 2002 Edition


Canterbury Corpus Compression Test

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

The Canterbury Corpus file test includes 11 files. The links to download these test files can be found here.

Legend
+ - New program tested
# - DOS program that was run in a Windows98 DOS box
* - Windows 32bit program (95/98/NT)
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)
+TAR - means that the test files were stored together in one TAR file first and then compressed.

  ACT 2.0 Canterbury Corpus Test              
  Total Files Size (bytes): 2,816,188            
  Name Switches

Compress
Time

Extract
Time

Compressed
Size

Overall
Score

Compress
Ratio

Bits per
Byte

     

(seconds)

(seconds)

(bytes)

(seconds)

(%)

(b/B)

+*B COMPRESSIA 0.96 -b3 -s 15.72 8.37 363,169 124.97 87.1 1.0317
+* COMPRESSIA 0.96 -s 13.92 8.35 363,169 123.15 87.1 1.0317
+* COMPRESSIA 0.96 -b3 13.72 7.80 364,180 122.68 87.1 1.0345
* RK 1.04.1 -mx 108.03 108.97 378,400 322.11 86.6 1.0749
+# SBC 0.968 -m1 -b2 -ad -oa 8.88 3.75 382,834 118.97 86.4 1.0875
+#O SBC 0.968 -m1 -b2 -ad -on 7.04 3.82 383,386 117.36 86.4 1.0891
# SBC 0.860 -m1 8.77 3.57 384,835 119.24 86.3 1.0932
+# SBC 0.968 -m3 -b2 -ad 9.60 5.00 384,914 121.52 86.3 1.0934
# SBC 0.860 -m1 -on 7.23 3.57 385,439 117.87 86.3 1.0949
# SBC 0.860 -m3 9.23 4.46 385,499 120.77 86.3 1.0951
+* RAR (Win32) 3.00b5 -m5 -md1024 13.77 8.92 414,438 137.81 85.3 1.1773
+* RAR (Win32) 3.00b5 -m5 -md4096 13.75 9.02 414,438 137.89 85.3 1.1773
+* RAR (Win32) 3.00b5 -m5 -md2048 13.90 8.95 414,438 137.97 85.3 1.1773
+ RAR32 (DOS) 3.00b5 -m5 -md1024 19.09 16.09 414,439 150.30 85.3 1.1773
+ RAR32 (DOS) 3.00b5 -m5 -md2048 19.41 15.10 414,439 149.63 85.3 1.1773
+ RAR32 (DOS) 3.00b5 -m5 -md4096 18.89 14.90 414,439 148.91 85.3 1.1773
+* RAR (Win32) 3.00b5 -m5 -md4096 -s 18.89 10.62 419,628 146.07 85.1 1.1920
+ RAR32 (DOS) 3.00b5 -m5 -md4096 -s 20.98 16.04 419,629 153.58 85.1 1.1920
+* RAR (Win32) 3.00b5 -m5 -md2048 -s 15.87 9.22 419,915 141.73 85.1 1.1929
+ RAR32 (DOS) 3.00b5 -m5 -md2048 -s 19.40 15.82 419,916 151.86 85.1 1.1929
+* RAR (Win32) 3.00b5 -m5 -md1024 -s 15.62 9.25 419,963 141.53 85.1 1.1930
+ RAR32 (DOS) 3.00b5 -m5 -md1024 -s 19.86 15.78 419,964 152.30 85.1 1.1930
# BA 1.01+TAR -kvz 16.95 6.63 421,525 140.67 85.0 1.1974
# BA 1.01+TAR -k20vz 17.02 6.72 421,727 140.89 85.0 1.1980
+# ERI32 5.1fre -m5 33.21 8.99 423,293 159.78 85.0 1.2025
+# ERI32 5.1fre -m4 31.42 8.96 424,269 158.23 84.9 1.2052
+# ERI32 5.1fre -m1 31.37 8.90 426,878 158.85 84.8 1.2126
# ERI32 4.4fre -m5 83.43 6.22 427,165 208.31 84.8 1.2135
# ERI32 4.4fre -m4 80.01 6.22 427,168 204.89 84.8 1.2135
# ERI32 4.4fre -m1 79.14 5.71 438,847 206.75 84.4 1.2466
* 777 0.04b1 -mg -mu16 159.76 70.52 442,933 353.32 84.3 1.2582
* RK 1.04.1 -mn 80.21 47.36 455,368 254.06 83.8 1.2936
* UFA 0.04b1 -mg -mu32 92.32 55.80 463,303 276.82 83.5 1.3161
* 777 0.04b1 -m2 -md512 -s 185.74 54.38 484,942 374.83 82.8 1.3776
+* WINACE 2.11 (Max/1024/Solid) 19.07 2.24 504,904 161.56 82.1 1.4343
+* WINACE 2.11 (Max/4096/Solid) 20.60 3.01 505,192 163.94 82.1 1.4351
+* WINACE 2.11 (Normal/1024/Solid) 16.20 1.96 506,180 158.77 82.0 1.4379
+* WINACE 2.11 (Normal/4096/Solid) 15.50 2.17 506,484 158.36 82.0 1.4388
+* WINACE 2.11 (Max/4096) 18.71 2.26 511,088 162.94 81.9 1.4519
+* WINACE 2.11 (Max/1024) 18.49 1.91 511,088 162.37 81.9 1.4519
* YBS 0.03e+TAR -v 12.06 6.49 512,253 160.84 81.8 1.4552
  UHARC 0.2 -m3 -md2048 63.78 7.25 517,131 214.68 81.6 1.4690
+* RAR (Win32) 3.00b5 -md4096 9.77 1.59 518,274 155.33 81.6 1.4723
+* RAR (Win32) 3.00b5 -md1024 9.78 1.57 518,274 155.32 81.6 1.4723
+* RAR (Win32) 3.00b5 -md2048 9.81 1.54 518,274 155.32 81.6 1.4723
+ RAR32 (DOS) 3.00b5 -md2048 15.32 7.85 518,275 167.14 81.6 1.4723
+ RAR32 (DOS) 3.00b5 -md4096 14.58 9.96 518,275 168.51 81.6 1.4723
+ RAR32 (DOS) 3.00b5 -md1024 15.13 7.67 518,275 166.77 81.6 1.4723
* ZZIP 0.32b+TAR -a4 37.39 27.02 519,015 208.58 81.6 1.4744
* YBS 0.03e+TAR -m4mv 12.84 6.09 520,263 163.45 81.5 1.4779
* STUFFIT 5.5 -> SIT (Maximum) 22.10 14.19 521,056 181.03 81.5 1.4802
+* STUFFIT 7.5 -> SIT (Maximum) 16.18 8.24 521,188 169.19 81.5 1.4805
* PPMD vE+TAR -o5 -m28 9.83 10.36 523,448 165.59 81.4 1.4870
* UFA 0.04b1 -s 76.94 10.02 523,815 232.46 81.4 1.4880
* BIX 1.00b7 (none) 67.26 1.15 524,234 214.03 81.4 1.4892
* BIX 1.00b7 -md4096 -s 68.84 1.27 524,866 215.91 81.4 1.4910
* CABARC 1.0 -m LZX:21 3140.67 1.07 526,471 3287.98 81.3 1.4956
* DST 0.9b+TAR -me 43.87 32.13 526,535 222.26 81.3 1.4957
* PPMD vE+TAR -m28 8.79 9.22 527,699 164.59 81.3 1.4990
* YBS 0.03e+TAR -vr 12.77 6.32 531,095 166.62 81.1 1.5087
* SZIP 1.11beta+TAR (none) 9.22 7.02 531,239 163.81 81.1 1.5091
* SZIP 1.11beta+TAR -o4b32 4.67 6.09 535,416 159.49 81.0 1.5210
  BOA 0.58b -m15 -s 92.30 98.50 536,591 339.85 80.9 1.5243
  BOA 0.58b -s 87.19 91.65 538,046 328.30 80.9 1.5284
  ARHANGEL 1.40 -mm -mt 35.95 28.38 539,052 214.07 80.9 1.5313
  UHARC 0.2 -m2 -md2048 40.88 7.66 541,975 199.09 80.8 1.5396
* EXP v1 (none) 11.32 3.50 543,030 165.66 80.7 1.5426
* PAR 1.49b (Normal) 85.66 26.24 543,151 262.78 80.7 1.5429
  RKUC 1.03+TAR c8x -m28 211.43 N/A 544,276 362.62 80.7 1.5461
* IMP 1.1b -2 -s2000 7.73 2.66 549,094 162.92 80.5 1.5598
* ZZIP 0.32b+TAR -a3 18.08 9.34 551,840 180.71 80.4 1.5676
* UFA 0.04b1 -m5 -mu32 -s 95.56 105.55 552,794 354.66 80.4 1.5703
* ZZIP 0.32b+TAR (none) 20.02 8.42 553,666 182.24 80.3 1.5728
* 777 0.04b1 -m5 -mu16 -s 83.88 93.57 553,898 331.31 80.3 1.5735
# ACB 2.00c (u)f 165.51 166.97 556,536 487.07 80.2 1.5810
  HA 0.999b e12 87.40 39.80 557,608 282.09 80.2 1.5840
  HA 0.999b e2 38.78 40.14 558,504 234.06 80.2 1.5866
# ACB 2.00c (b)f 118.11 119.72 558,724 393.03 80.2 1.5872
# ACB 1.14a (b)f 130.68 131.32 558,983 417.27 80.2 1.5879
* WINIMP 0.93 (Alg2/1000k) 7.64 2.24 560,135 165.47 80.1 1.5912
  RKIVE 1.92b1 -mb3 77.02 26.98 561,346 259.93 80.1 1.5946
  X1 0.95a ->X xem3 43.72 44.53 561,622 244.26 80.1 1.5954
# ACB 2.00c (B)f 87.65 88.90 565,679 333.68 79.9 1.6069
  RKIVE 1.92b1 -mt1 119.36 98.76 565,944 375.33 79.9 1.6077
  X1 0.95a ->X xem4l2 42.98 45.09 567,499 245.71 79.8 1.6121
  RKIVE 1.92b1 -mf3 33.47 14.48 568,034 205.74 79.8 1.6136
  CODEC 3.21 -c10 33.17 36.98 568,208 227.99 79.8 1.6141
* DST 0.9b+TAR -mt 81.59 80.67 568,562 320.19 79.8 1.6151
* BZIP2 0.9.5d+TAR -5 11.54 3.37 568,592 172.85 79.8 1.6152
* BZIP2 0.9.5d+TAR -9 11.61 3.38 569,925 173.30 79.8 1.6190
* RK 1.04.1 -mf 11.54 10.04 572,316 180.56 79.7 1.6258
* CABARC 1.0 -m LZX:15 25.00 0.90 572,909 185.04 79.7 1.6275
  RKUC 1.03+TAR c -m16 31.43 32.75 573,752 223.56 79.6 1.6299
* BZIP2 0.9.5d+TAR -1 10.67 3.16 584,959 176.32 79.2 1.6617
# ARI 2.2 -ho 407.73 2.54 585,495 572.91 79.2 1.6632
* RAR (Win32) 2.80 -mm -md1024 -s 16.52 1.38 587,165 181.00 79.2 1.6680
  RAR32 (DOS) 2.80 -mm -md1024 -s 21.63 8.08 587,166 192.81 79.2 1.6680
  UHARC 0.2 -m1 -md2048 27.12 7.95 587,309 198.21 79.1 1.6684
* RAR (Win32) 2.80 -m5 -mm -md1024 -s 33.15 1.36 587,785 197.78 79.1 1.6697
  RAR32 (DOS) 2.80 -m5 -mm -md1024 -s 36.80 7.98 587,786 208.05 79.1 1.6697
* SZIP 1.11beta+TAR -o0b32 99.12 5.61 591,041 268.91 79.0 1.6790
  X1 0.95a ->X xem6l2ob 1674.18 1783.34 592,832 3622.20 78.9 1.6841
* RAR (Win32) 2.80 -mm -md1024 14.96 1.48 593,388 181.27 78.9 1.6856
  RAR32 (DOS) 2.80 -mm -md1024 19.54 8.37 593,389 192.74 78.9 1.6857
# ARI 2.2 -m3 -ho 59.37 2.56 593,626 226.83 78.9 1.6863
* XTREME 1.06 -s -t5 33.45 4.13 603,258 205.15 78.6 1.7137
* WINIMP 0.93 (Alg1/Best/1000k) 13.87 0.78 605,927 182.96 78.5 1.7213
* IMP 1.1b -m3 -s2000 9.57 0.96 608,950 179.68 78.4 1.7299
  LZAP 0.20.0+TAR (none) 104.25 108.16 609,937 381.84 78.3 1.7327
* ACE32 1.2b -m5 -d1024 -s 19.93 2.13 610,872 191.75 78.3 1.7353
* ACE32 1.2b -m5 -d1024 19.06 2.19 610,872 190.94 78.3 1.7353
  ACE 1.2b -m5 -d1024 -s 24.83 9.01 610,873 203.53 78.3 1.7353
  ACE 1.2b -m5 -d1024 24.75 8.77 610,873 203.21 78.3 1.7353
* WINIMP 0.93 (Alg1/Norm/400k) 8.99 0.71 615,411 180.65 78.1 1.7482
* DST 0.9b+TAR -mb 23.85 11.47 619,866 207.51 78.0 1.7609
* XTREME 1.06 -s 14.99 3.99 621,052 191.49 77.9 1.7642
* XTREME 1.06 -s -t8 36.96 4.85 621,273 214.39 77.9 1.7649
  X1 0.95a ->X xem7 18.32 9.84 621,785 200.88 77.9 1.7663
* JAR32 1.02 -m4 18.65 3.25 624,718 195.43 77.8 1.7746
* JAR32 1.02 -m3 18.08 3.25 624,882 194.91 77.8 1.7751
* JAR32 1.02 (none) 9.52 3.21 625,503 186.48 77.8 1.7769
* ACE32 1.2b -d1024 8.18 2.23 633,812 186.47 77.5 1.8005
  ACE 1.2b -d1024 14.93 9.02 633,813 200.01 77.5 1.8005
  JAR16 1.02 -m3 33.69 14.21 634,997 224.29 77.5 1.8038
  JAR16 1.02 -m4 33.61 14.27 635,964 224.54 77.4 1.8066
  HAP 4.62 3 16.63 22.68 638,062 216.55 77.3 1.8126
  HAP 3.14e11 3 17.79 27.57 638,062 222.60 77.3 1.8126
  JAR16 1.02 (none) 23.48 13.93 639,808 215.13 77.3 1.8175
  ARHANGEL 1.40 -1 -mm -mt 37.86 9.99 659,593 231.07 76.6 1.8737
  SEMONE 0.6b+TAR -mb 39.02 8.03 665,672 231.96 76.4 1.8910
* 7-ZIP 2.00 -mx 39.77 1.27 676,605 228.99 76.0 1.9220
  SEMONE 0.6b+TAR -mn 26.60 7.02 677,426 221.79 75.9 1.9244
+* STUFFIT 7.5 -> ZIP (Maximum) 22.97 1.71 679,213 213.35 75.9 1.9295
* 7-ZIP 2.00 (none) 25.32 1.22 680,472 215.56 75.8 1.9330
* BVI 1.70+TAR -m4 1226.71 1230.83 684,166 2647.59 75.7 1.9435
* IMP 1.1b -m1 -s2000 5.27 2.79 697,423 201.79 75.2 1.9812
  HA 0.999b e1 43.11 10.85 699,832 248.36 75.1 1.9880
  UC2 v3.0 PRO (Max Compress) 49.79 7.45 703,932 252.78 75.0 1.9997
  UC v2.37 beta (Max Compress) 47.26 4.77 703,934 247.57 75.0 1.9997
  YAC 1.02 (none) 29.19 10.40 704,387 235.25 75.0 2.0010
  SEMONE 0.6b+TAR -mf 16.10 6.43 712,492 220.44 74.7 2.0240
  UC v2.37 beta (Default) 8.61 4.62 717,252 212.47 74.5 2.0375
  UC2 v3.0 PRO (Default) 11.48 7.36 717,266 218.08 74.5 2.0376
* PKZIP 2.6.02 Win95 (Norm) 4.12 0.69 723,783 205.86 74.3 2.0561
  PKZIP 2.50 -exx 13.02 4.51 724,348 218.74 74.3 2.0577
* COOLZIP 1.01 (Cab - Quantum) 55.58 1.42 724,571 258.27 74.3 2.0583
* STUFFIT 5.5 -> CAB (none) 55.06 1.36 724,715 257.73 74.3 2.0587
  PKZIP 2.50 (none) 7.13 4.07 724,731 212.51 74.3 2.0588
* PKZIP 2.6.02 Win95 (Extra) 9.53 1.00 724,982 211.91 74.3 2.0595
* HUFFMAN C.E.II 0.21d (none) 21.40 1.90 725,152 224.73 74.3 2.0600
  GZIP 1.2.4+TAR -9 39.84 4.40 725,485 245.76 74.2 2.0609
  PKZIP 2.04g -ex 13.11 4.67 726,405 219.56 74.2 2.0635
  BSArc 2.0 R1.1 -+1 31.50 5.30 727,392 238.85 74.2 2.0663
  CODEC 3.21 (none) 10.89 7.81 727,590 220.81 74.2 2.0669
* LHA 2.67(Win32) (none) 12.30 1.17 729,083 215.99 74.1 2.0711
  SQZ 1.08.4a -q(ALT236) 70.10 5.09 729,892 277.94 74.1 2.0734
  GZIP 1.2.4+TAR (none) 9.73 4.17 729,959 216.67 74.1 2.0736
  SQZ 1.08.4a (none) 12.06 4.69 730,213 219.59 74.1 2.0743
* WINZIP'95 7.0 (Max Compress) 35.05 1.26 731,871 239.61 74.0 2.0790
* ZIPCentral 2.06 Max 48.57 1.20 731,871 253.07 74.0 2.0790
* STUFFIT 5.5 -> ZIP (Maximum) 58.46 2.49 731,871 264.25 74.0 2.0790
  AIN 2.32 /m1 12.75 6.75 731,982 222.83 74.0 2.0794
  INFO-ZIP 2.2DOS -9 -j 34.31 7.03 732,071 244.69 74.0 2.0796
* INFO-ZIP 2.2NT -9 -j 34.49 1.34 732,157 239.21 74.0 2.0799
  AIN 2.32 (none) 10.30 7.05 733,625 221.13 73.9 2.0840
  ESP 1.92 /m0 13.40 7.03 733,685 224.23 73.9 2.0842
* HUFFMAN C.E.II 0.21d -K7 20.53 1.93 734,449 226.47 73.9 2.0864
  ARJ 2.62a -jm -e 36.82 5.51 734,535 246.37 73.9 2.0866
* ARJ32 3.01b -jm -e 58.57 1.53 734,710 264.19 73.9 2.0871
* STUFFIT 5.5 -> ZIP (Default) 10.87 2.46 735,060 217.51 73.9 2.0881
+* STUFFIT 7.5 -> ZIP (Medium) 9.14 1.51 735,256 214.89 73.9 2.0887
  INFO-ZIP 2.2DOS -j 9.43 7.13 735,260 220.80 73.9 2.0887
* INFO-ZIP 2.2NT -j 6.30 1.30 735,276 211.84 73.9 2.0887
  ESP 1.92 /m2 11.21 6.92 735,315 222.38 73.9 2.0888
  ARJ 2.62a -e 13.33 4.86 735,744 222.56 73.9 2.0900
* ARJ32 3.01b -e 16.29 1.56 735,931 222.28 73.9 2.0906
# TAR 3.21g -cv.9f 36.81 3.00 736,806 244.48 73.8 2.0931
* COOLZIP 1.01 (Zip - Deflate) 21.41 2.19 736,863 228.28 73.8 2.0932
  BSArc 2.0 R1.1 (none) 8.74 6.16 738,358 220.00 73.8 2.0975
* STUFFIT 5.5 -> TGZ (none) 12.52 1.67 739,309 219.55 73.7 2.1002
# TAR 3.21g -cve9f 37.59 3.14 740,352 246.38 73.7 2.1031
  PKZIP 2.04g (none) 7.46 4.68 740,972 217.97 73.7 2.1049
* WINZIP'95 7.0 (Normal Comp) 3.90 1.01 746,198 212.19 73.5 2.1197
* ZIPCentral 2.06 Normal 6.40 1.34 746,791 215.18 73.5 2.1214
* DEEPFREEZE 1.05a (none) 7.64 2.13 749,729 218.03 73.4 2.1298
* STUFFIT 5.5 -> LZH (none) 10.42 3.32 760,867 225.09 73.0 2.1614
  CAR 1.50 (none) 15.54 7.90 761,038 234.84 73.0 2.1619
  LHA 2.55b (none) 12.87 4.82 761,038 229.09 73.0 2.1619
* BVI 1.70+TAR -m3 146.42 145.67 761,981 503.75 72.9 2.1646
  ZOO 2.10+TAR h: 19.00 6.81 762,717 237.68 72.9 2.1667
  OOP 2.3 (Normal Comp) 10.94 7.77 763,426 230.77 72.9 2.1687
* STUFFIT 5.5 -> SIT (Fastest) 9.98 2.80 770,033 226.68 72.7 2.1874
+* STUFFIT 7.5 -> SIT (Fastest) 8.36 1.77 774,483 225.26 72.5 2.2001
* XPA32 1.02 (none) 270.17 0.57 784,890 488.77 72.1 2.2297
* AKT32 0.62b (none) 19.98 3.99 785,024 242.03 72.1 2.2300
  AKT 0.5b (none) 30.52 24.35 787,844 273.72 72.0 2.2380
  AKT 0.5b m9 40.73 23.80 795,988 285.64 71.7 2.2612
+* STUFFIT 7.5 -> ZIP (Fastest) 5.26 1.69 810,066 231.97 71.2 2.3012
  PPMC3h+TAR (none) 8.89 8.58 863,885 257.44 69.3 2.4541
  PKZIP 2.50 -es 3.74 4.32 867,291 248.97 69.2 2.4637
* ZIPCentral 2.06 SuperFast 2.44 1.43 867,339 244.80 69.2 2.4639
  PKZIP 2.04g -es 5.09 4.76 870,560 251.67 69.1 2.4730
* SBX 1.4 (none) 78.04 6.53 883,970 330.12 68.6 2.5111
  OPAQUE 1.0 (none) 4.04 4.43 922,416 264.70 67.2 2.6203
*Q LZOP 1.00w -9 100.26 0.44 929,844 358.99 67.0 2.6414
  ZOO 2.10+TAR : 12.59 10.10 958,910 289.05 66.0 2.7240
* BVI 1.70+TAR -m2 166.05 162.64 996,270 605.43 64.6 2.8301
  ARC 6.02 (none) 5.71 5.91 1,007,540 291.49 64.2 2.8621
* ASD 0.1.3 (none) 268.00 7.37 1,008,560 555.53 64.2 2.8650
  LZS 3.1+TAR /p255 13.42 4.57 1,024,187 302.49 63.6 2.9094
  ARS 2.1 -e 14.63 19.51 1,044,264 324.21 62.9 2.9665
  ARS 2.1 -e -m2 14.42 20.36 1,044,264 324.85 62.9 2.9665
  LZS 3.1+TAR /m1 /p255 14.07 4.49 1,074,833 317.12 61.8 3.0533
* LZOP 1.00w -1 0.91 0.55 1,159,537 323.55 58.8 3.2939
*F LZOP 1.00w (none) 0.82 0.57 1,166,570 325.44 58.6 3.3139
  NPACK 1.0+TAR (none) 15.16 4.32 1,230,372 361.25 56.3 3.4951
  BLINK 2.50 (none) 5.06 5.06 1,261,041 360.41 55.2 3.5823
  EPRESS beta0+TAR (Slow) 97.38 13.40 1,486,858 523.80 47.2 4.2237
  EPRESS beta0+TAR (Medium) 63.90 15.07 1,517,109 500.39 46.1 4.3097
  EPRESS beta0+TAR (Fast) 44.10 9.67 1,575,360 491.37 44.1 4.4752
# TAR 3.21g (none) 0.92 0.32 2,826,240 786.31 -0.4 8.0286
  Best Compression: COMPRESSIA 0.96            
  Fastest Compression: LZOP 1.00w            
  Quickest Extraction: LZOP 1.00w            
  Best Overall: SBC 0.968            

 

Legend
+ - New program tested
# - DOS program that was run in a Windows98 DOS box
* - Windows 32bit program (95/98/NT)
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)
+TAR - means that the test files were stored together in one TAR file first and then compressed.

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