Testing hfsplus vs ufs w/ the best of 5 runs
Darwin Kernel Version 6.6: Thu May 1 21:48:54 PDT 2003; root:xnu/xnu-344.34.obj~1/RELEASE_PPC
Mon May 19 19:48:56 2003
Current file: disk1s9-full-ufs-0.log
Current file: disk1s9-full-ufs-1.log
Current file: disk1s9-full-ufs-2.log
Current file: disk1s9-full-ufs-3.log
Current file: disk1s9-full-ufs-4.log
Current file: disk1s9-full-hfsplus-0.log
Current file: disk1s9-full-hfsplus-1.log
Current file: disk1s9-full-hfsplus-2.log
Current file: disk1s9-full-hfsplus-3.log
Current file: disk1s9-full-hfsplus-4.log
---------hfsplus---------
Test=Re-writer
Re-writer report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 68,011 97,864 120,514 139,416 132,239
128 69,642 99,458 123,790 145,437 137,029 152,005
256 69,755 99,260 124,942 146,457 139,060 148,318 156,569
512 68,494 100,512 124,391 146,576 137,523 150,764 150,059 147,634
1,024 67,275 97,301 117,998 142,361 135,340 145,186 143,779 141,514 135,880
2,048 67,729 96,177 118,210 139,756 130,495 138,631 137,569 132,223 130,529 128,360
4,096 67,202 95,987 114,062 137,945 128,413 138,899 134,657 130,366 127,641 125,775 126,987
8,192 58,448 69,862 74,361 92,258 87,574 86,299 72,288 71,816 67,231 66,424 66,530 66,292
16,384 39,787 42,122 41,438 39,961 42,474 42,601 40,624 41,241 41,422 42,185 40,975 43,623 43,850
32,768 0 0 0 0 31,165 32,217 30,958 31,116 32,558 31,394 31,384 33,180 32,790
65,536 0 0 0 0 29,688 29,418 30,674 29,974 29,404 31,040 29,742 30,073 29,343
131,072 0 0 0 0 28,049 27,663 28,076 28,937 27,855 27,932 27,505 28,654 27,684
262,144 0 0 0 0 27,165 27,382 27,390 27,441 27,351 26,827 27,307 27,061 27,045
524,288 0 0 0 0 26,770 26,653 26,476 26,604 26,067 26,599 26,707 26,846 26,681
1,048,576 0 0 0 0 26,419 26,514 26,269 26,526 27,114 27,307 27,204 27,097 27,366
Test=Random read
Random read report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 155,712 213,311 229,448 249,031 261,272
128 172,520 220,714 239,683 259,619 269,457 270,611
256 174,268 221,462 243,125 265,553 277,961 275,253 262,565
512 176,125 222,989 244,855 268,908 277,958 280,848 254,458 221,255
1,024 174,980 226,546 244,040 267,709 279,630 278,181 261,825 214,315 189,172
2,048 177,794 223,336 243,493 268,415 282,095 286,675 270,149 215,216 184,654 181,720
4,096 174,550 223,910 241,879 269,226 283,403 282,580 266,493 218,885 179,814 173,699 174,060
8,192 175,937 225,501 242,855 266,979 281,405 286,966 269,793 204,902 176,982 171,212 170,734 172,184
16,384 175,239 223,611 245,305 268,211 281,894 286,233 269,230 220,117 178,288 168,816 169,597 171,777 172,386
32,768 0 0 0 0 281,897 286,980 264,452 210,907 174,872 168,691 170,643 170,135 170,730
65,536 0 0 0 0 282,106 286,905 268,957 219,635 175,882 168,495 167,957 169,137 169,644
131,072 0 0 0 0 283,118 282,162 268,266 216,347 174,921 167,375 169,593 168,441 168,452
262,144 0 0 0 0 281,825 284,610 263,531 213,400 175,298 167,349 167,971 167,937 169,290
524,288 0 0 0 0 279,473 281,429 262,078 209,980 172,062 163,432 160,172 155,559 145,441
1,048,576 0 0 0 0 280,511 281,856 265,219 209,783 173,201 164,637 163,692 160,808 155,402
Test=Writer
Writer report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 57,090 82,054 102,891 119,628 97,103
128 59,150 86,719 109,679 129,556 108,845 123,905
256 59,053 84,570 112,475 131,345 118,955 134,521 136,392
512 58,540 86,515 109,309 126,045 122,871 136,752 135,232 134,559
1,024 59,534 87,897 113,943 128,852 126,576 135,719 136,955 136,643 118,601
2,048 58,989 87,015 105,312 130,246 125,214 135,217 131,755 129,742 127,864 114,553
4,096 58,364 87,303 109,627 131,005 123,772 133,760 132,056 128,461 124,038 123,813 119,594
8,192 51,567 74,477 78,141 89,329 85,540 87,211 72,563 70,976 64,264 65,457 65,688 65,156
16,384 37,461 42,383 41,898 42,750 43,956 42,410 44,733 44,184 41,689 42,172 44,712 41,567 43,860
32,768 0 0 0 0 31,996 33,288 32,269 32,098 32,076 31,955 31,132 32,747 31,791
65,536 0 0 0 0 29,820 30,279 29,559 30,558 31,038 30,496 29,387 30,028 30,541
131,072 0 0 0 0 28,135 27,755 28,520 28,881 27,485 28,124 28,266 28,351 28,179
262,144 0 0 0 0 27,246 27,274 27,452 27,677 27,532 27,008 27,082 27,672 26,942
524,288 0 0 0 0 26,789 26,929 26,817 26,866 26,847 26,740 27,149 26,693 27,106
1,048,576 0 0 0 0 26,390 26,902 26,795 26,631 27,383 27,338 27,201 27,210 27,311
Test=Reader
Reader report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 188,254 219,953 232,730 245,277 264,490
128 193,368 226,966 236,567 253,969 258,059 269,457
256 191,468 228,776 236,381 248,297 255,749 259,394 259,112
512 190,052 226,350 234,853 247,822 252,098 246,400 233,907 226,852
1,024 184,270 219,883 229,745 235,561 245,098 244,276 224,656 199,183 197,266
2,048 181,849 213,377 223,629 235,267 238,805 231,697 212,160 191,528 176,399 181,801
4,096 178,856 212,823 220,214 229,236 233,482 226,737 209,235 185,961 170,050 170,467 174,246
8,192 179,083 213,918 221,818 230,222 236,947 228,942 209,712 186,042 166,456 167,848 169,845 172,220
16,384 179,267 211,327 219,786 230,296 232,582 223,635 210,995 183,699 166,124 165,724 169,144 169,750 171,271
32,768 0 0 0 0 231,892 231,859 211,396 183,307 165,247 165,114 168,320 170,078 170,064
65,536 0 0 0 0 234,826 230,875 209,865 182,557 164,832 164,612 165,701 168,605 168,533
131,072 0 0 0 0 235,540 228,615 210,912 181,729 163,133 164,788 166,024 167,536 168,190
262,144 0 0 0 0 232,877 229,255 209,456 182,574 163,665 163,553 165,927 167,447 168,284
524,288 0 0 0 0 28,918 28,824 28,809 28,815 28,792 28,671 28,810 28,754 28,796
1,048,576 0 0 0 0 28,904 28,902 28,923 28,822 28,965 28,815 28,833 28,859 28,872
Test=Backward read
Backward read report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 162,844 213,311 231,028 247,083 251,953
128 181,288 222,637 239,736 259,619 266,117 265,525
256 182,720 221,828 239,678 258,333 267,771 264,213 255,475
512 182,463 225,554 242,081 259,110 266,109 261,221 245,443 220,970
1,024 177,687 223,633 236,873 257,802 262,963 265,696 234,974 209,281 197,302
2,048 175,281 220,713 237,531 249,969 262,224 254,981 226,522 199,492 183,053 181,915
4,096 172,855 214,056 230,890 250,275 255,601 245,152 224,008 193,144 178,218 173,419 173,573
8,192 173,052 214,619 230,617 246,925 253,081 248,520 223,568 192,870 175,203 170,744 170,713 172,075
16,384 172,843 213,377 225,808 245,519 252,925 247,220 225,286 193,680 173,708 170,264 170,184 170,464 172,287
32,768 0 0 0 0 251,558 246,674 223,927 194,133 173,453 169,524 170,314 169,166 169,610
65,536 0 0 0 0 251,888 239,732 225,245 189,406 173,054 167,943 168,456 170,138 170,269
131,072 0 0 0 0 248,829 246,768 222,445 193,190 172,521 167,656 167,937 169,633 168,535
262,144 0 0 0 0 247,624 244,934 221,154 193,864 173,342 167,539 167,548 168,640 169,179
524,288 0 0 0 0 33,244 26,630 42,752 51,972 50,990 57,439 61,445 64,345 63,873
1,048,576 0 0 0 0 16,210 12,769 21,288 26,526 27,512 33,790 36,511 37,790 37,254
Test=Re-Fwrite
Re-Fwrite report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 67,295 97,262 120,298 141,287 134,189
128 68,557 99,146 124,508 146,629 133,619 152,740
256 68,450 98,351 125,182 138,522 137,855 151,563 151,660
512 68,022 97,804 124,941 137,854 136,387 151,386 153,157 148,149
1,024 67,364 98,225 121,428 140,950 132,059 147,680 141,711 137,485 136,587
2,048 66,519 96,612 118,326 136,971 127,172 140,427 136,687 133,290 131,644 128,481
4,096 66,212 95,555 117,620 136,619 128,947 139,594 133,060 129,395 128,120 126,799 126,209
8,192 57,984 69,461 73,406 91,229 85,634 84,442 71,432 70,129 65,538 67,964 66,449 65,880
16,384 41,984 39,814 42,188 42,228 40,147 42,614 40,587 41,206 43,835 44,177 43,309 41,225 43,509
32,768 0 0 0 0 30,798 32,210 31,594 33,214 32,541 31,350 32,045 31,817 32,729
65,536 0 0 0 0 30,147 28,837 30,342 30,433 29,843 30,236 29,792 28,988 30,015
131,072 0 0 0 0 27,517 27,723 28,004 28,281 27,789 27,758 28,964 27,969 28,254
262,144 0 0 0 0 27,634 27,126 27,078 27,184 27,289 26,962 27,181 27,537 27,142
524,288 0 0 0 0 26,498 26,253 26,400 26,784 26,623 26,659 26,393 26,409 26,338
1,048,576 0 0 0 0 26,511 26,594 26,762 27,019 27,216 27,283 27,189 26,827 26,738
Test=Record rewrite
Record rewrite report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 64,389 92,216 114,475 130,345 118,518
128 66,875 96,309 118,634 126,488 130,216 138,087
256 67,849 94,954 123,249 146,039 138,156 145,209 140,580
512 67,995 99,397 121,471 148,966 140,657 149,095 149,489 142,581
1,024 66,971 98,946 125,382 148,297 141,947 155,505 153,178 137,375 129,193
2,048 67,033 98,088 118,972 149,762 144,674 158,611 159,824 137,967 128,369 126,928
4,096 67,784 98,875 120,882 148,794 141,676 161,993 150,577 139,068 128,260 125,717 124,885
8,192 67,492 99,785 126,117 150,182 145,248 159,809 156,787 144,024 130,157 125,060 125,661 65,750
16,384 67,060 99,892 125,426 149,669 142,735 160,275 147,800 136,474 127,590 123,306 123,897 50,439 41,649
32,768 0 0 0 0 145,711 157,460 154,139 141,380 128,882 124,113 124,843 48,863 35,263
65,536 0 0 0 0 145,260 156,539 154,142 138,379 127,901 124,691 123,054 44,551 33,949
131,072 0 0 0 0 143,071 155,898 152,034 138,740 128,200 122,825 122,898 42,141 34,058
262,144 0 0 0 0 143,369 159,265 151,461 137,965 126,691 123,498 123,075 36,364 30,440
524,288 0 0 0 0 142,265 152,955 149,668 138,096 126,385 123,125 123,468 39,942 30,528
1,048,576 0 0 0 0 145,623 153,305 152,231 137,319 127,688 123,072 123,112 41,810 31,735
Test=Fread
Fread report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 147,458 175,342 130,345 111,875 86,357
128 151,640 177,776 153,834 136,022 120,987 88,953
256 153,755 181,684 164,107 152,836 140,506 118,079 86,515
512 151,525 178,023 169,427 158,809 150,500 136,098 108,289 77,051
1,024 151,210 173,794 168,226 161,207 155,364 146,391 118,560 93,490 69,702
2,048 142,877 171,094 162,115 159,477 159,575 150,410 123,195 97,417 81,505 67,151
4,096 143,447 167,896 160,370 156,970 160,917 149,320 130,089 101,604 86,799 78,991 67,071
8,192 144,691 166,809 162,246 157,535 162,658 149,721 127,390 102,341 89,685 85,993 78,542 66,506
16,384 143,285 168,267 158,807 157,095 161,789 149,487 128,714 103,342 92,297 90,398 86,479 78,821 65,763
32,768 0 0 0 0 161,742 148,286 130,089 105,274 92,996 92,101 89,356 86,447 78,831
65,536 0 0 0 0 158,410 150,275 129,691 104,177 93,373 92,759 92,530 90,523 85,971
131,072 0 0 0 0 160,429 151,337 127,858 102,827 92,972 93,555 93,569 93,072 91,016
262,144 0 0 0 0 160,618 152,641 128,652 103,526 93,225 93,230 94,023 93,859 93,162
524,288 0 0 0 0 28,878 28,804 28,657 28,679 28,730 28,728 28,538 26,644 25,820
1,048,576 0 0 0 0 28,846 28,900 28,888 28,897 28,880 28,816 28,596 26,670 25,863
Test=Fwrite
Fwrite report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 57,605 83,757 107,917 128,504 123,793
128 59,098 86,901 114,290 138,229 131,138 143,321
256 59,617 89,322 113,630 122,371 130,817 145,455 135,165
512 58,547 87,103 112,726 139,284 130,845 144,588 143,900 136,570
1,024 58,204 85,819 109,389 132,197 128,547 138,471 138,809 130,364 130,844
2,048 57,913 85,085 108,733 130,845 126,131 137,007 133,047 128,361 124,069 124,166
4,096 57,617 84,499 108,136 129,166 123,395 133,991 132,484 125,302 123,358 123,328 124,230
8,192 50,720 73,223 77,386 89,272 85,409 85,401 83,384 68,736 65,143 67,531 65,610 65,338
16,384 38,947 39,883 44,008 42,127 44,850 42,626 44,357 39,756 41,484 43,923 44,035 41,507 44,147
32,768 0 0 0 0 32,934 33,024 31,631 33,525 32,001 31,415 33,325 32,109 32,599
65,536 0 0 0 0 29,767 30,389 29,837 30,268 29,618 29,949 30,468 29,490 29,463
131,072 0 0 0 0 27,582 27,929 28,034 28,221 28,643 27,647 27,673 27,785 28,107
262,144 0 0 0 0 27,277 27,993 27,174 26,993 27,330 27,130 27,086 26,910 26,916
524,288 0 0 0 0 26,811 27,095 26,649 26,731 27,028 26,947 26,670 26,543 26,371
1,048,576 0 0 0 0 27,122 26,535 26,730 27,408 27,255 27,215 27,034 26,714 26,796
Test=Stride read
Stride read report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 167,519 201,843 214,762 223,061 228,569
128 163,261 219,901 231,867 248,560 255,480 243,819
256 170,776 207,790 243,345 260,685 267,804 264,473 235,293
512 170,605 216,492 226,338 267,368 277,652 272,336 251,228 213,066
1,024 169,143 211,747 226,248 252,408 284,285 272,992 261,825 213,691 195,644
2,048 167,938 210,419 224,659 248,843 254,031 285,276 265,733 215,578 186,064 181,527
4,096 167,306 209,824 226,186 243,201 253,888 235,700 270,434 211,166 181,737 174,387 173,097
8,192 165,641 211,690 225,618 243,664 250,160 244,471 218,046 214,102 179,181 170,428 170,816 171,416
16,384 166,097 207,374 224,426 245,086 249,194 246,691 222,306 191,650 179,885 169,799 170,186 170,599 171,436
32,768 0 0 0 0 246,437 245,791 224,030 188,702 171,929 169,072 170,017 169,880 170,595
65,536 0 0 0 0 250,270 238,083 224,170 192,845 173,529 168,260 170,102 168,367 169,563
131,072 0 0 0 0 247,290 243,588 224,089 193,088 170,990 167,600 168,923 168,410 169,921
262,144 0 0 0 0 248,522 242,329 222,537 192,852 172,091 167,261 168,680 168,887 167,910
524,288 0 0 0 0 8,435 21,297 29,559 29,402 34,261 41,157 44,531 50,927 56,166
1,048,576 0 0 0 0 4,651 12,056 17,184 17,220 20,736 25,941 28,095 29,790 30,104
Test=Random write
Random write report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 63,937 94,124 117,661 140,034 133,058
128 65,008 94,821 122,491 146,609 136,455 144,634
256 65,089 96,460 119,179 148,063 136,679 151,928 149,798
512 65,733 94,726 117,674 148,620 142,458 150,585 147,341 139,316
1,024 65,632 97,209 122,137 148,021 140,100 155,883 150,920 138,453 132,094
2,048 65,368 96,653 122,013 145,765 144,307 162,629 154,380 145,341 130,620 125,968
4,096 65,514 96,077 124,676 150,577 145,387 159,875 155,428 145,614 130,653 126,372 125,930
8,192 65,412 97,076 123,716 147,952 144,431 161,555 157,596 137,567 129,256 125,148 124,670 66,550
16,384 65,265 97,320 117,785 148,811 142,161 154,929 152,253 140,542 128,386 124,319 125,136 52,371 41,292
32,768 0 0 0 0 142,875 158,585 147,413 140,038 128,366 122,899 124,975 46,268 36,451
65,536 0 0 0 0 142,713 159,222 152,766 140,982 128,607 123,367 124,938 43,820 35,404
131,072 0 0 0 0 141,595 156,732 152,544 139,318 126,890 124,007 124,152 39,794 33,236
262,144 0 0 0 0 143,415 156,744 152,122 138,656 127,517 122,486 122,877 40,864 34,917
524,288 0 0 0 0 143,398 149,036 150,190 137,515 128,284 122,851 122,866 43,823 32,805
1,048,576 0 0 0 0 141,902 151,831 151,934 137,532 126,575 122,416 122,543 44,984 32,741
Test=Re-Reader
Re-Reader report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 198,706 235,280 246,176 263,322 283,184
128 196,914 234,860 244,708 262,860 276,464 288,265
256 198,146 234,650 242,658 259,613 267,504 276,458 270,061
512 190,474 227,453 236,822 254,594 257,016 244,506 246,386 225,164
1,024 189,381 215,487 221,356 240,541 250,794 251,220 224,809 202,169 195,270
2,048 180,774 215,082 225,077 241,453 238,888 238,891 214,135 186,998 176,126 181,062
4,096 181,134 213,132 220,191 235,699 239,392 229,814 207,644 185,130 168,879 171,840 172,434
8,192 181,046 212,542 220,838 231,608 236,886 230,910 209,262 183,713 167,724 167,245 170,340 171,308
16,384 181,170 212,063 221,061 234,197 237,408 232,173 212,329 180,484 165,908 166,719 168,433 170,513 169,932
32,768 0 0 0 0 232,674 226,178 211,246 183,363 165,422 165,637 166,669 170,179 169,583
65,536 0 0 0 0 235,867 225,233 210,234 180,079 165,206 164,749 167,610 168,998 169,045
131,072 0 0 0 0 232,904 230,303 208,271 181,212 164,962 163,587 166,216 167,814 168,099
262,144 0 0 0 0 234,052 228,041 208,230 181,707 164,377 163,623 166,266 167,538 167,958
524,288 0 0 0 0 28,900 28,912 28,932 28,814 28,806 28,809 28,723 28,877 28,855
1,048,576 0 0 0 0 28,931 28,973 28,967 28,983 28,948 28,896 28,862 28,831 28,917
---------ufs---------
Test=Re-writer
Re-writer report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 61,533 70,098 101,108 116,791 134,458
128 60,435 76,740 100,869 108,373 132,776 141,433
256 58,379 74,940 98,958 114,545 128,385 141,590 142,700
512 57,521 72,965 93,891 111,618 126,796 135,058 140,313 137,413
1,024 58,076 72,403 95,079 112,650 131,451 131,064 135,629 129,687 126,669
2,048 56,003 69,435 88,765 109,396 125,513 127,134 126,889 126,693 122,429 123,277
4,096 56,943 69,904 92,229 108,296 123,199 125,995 124,851 122,936 119,913 119,678 118,931
8,192 49,218 52,734 77,085 75,283 81,053 81,748 80,670 64,850 65,280 64,054 63,406 63,676
16,384 33,735 34,085 34,061 35,024 36,951 37,134 34,830 37,940 37,188 38,672 38,770 41,038 38,264
32,768 0 0 0 0 27,349 28,566 28,364 28,241 28,569 29,011 29,027 29,327 28,577
65,536 0 0 0 0 25,438 24,395 24,890 25,000 24,621 24,574 25,428 26,009 26,243
131,072 0 0 0 0 23,443 23,454 23,467 23,970 23,865 23,864 24,254 24,645 24,612
262,144 0 0 0 0 23,128 23,224 23,025 22,838 22,981 23,562 23,309 23,197 23,573
524,288 0 0 0 0 22,421 23,103 22,587 22,323 22,519 22,270 22,777 23,090 23,107
1,048,576 0 0 0 0 23,382 23,334 23,765 23,776 23,883 23,784 23,518 23,581 23,756
Test=Random read
Random read report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 152,397 205,789 224,647 244,272 254,944
128 168,197 212,966 233,177 254,995 267,243 266,646
256 169,871 218,799 238,375 261,510 273,779 276,174 254,990
512 172,157 218,330 240,603 265,419 278,553 278,860 257,943 217,688
1,024 170,754 220,402 243,749 266,182 278,786 275,046 258,913 216,765 186,689
2,048 171,812 220,665 239,364 267,433 278,221 278,487 264,493 217,756 184,404 181,142
4,096 171,331 220,215 241,239 266,268 278,147 286,274 268,572 215,317 179,350 173,537 176,262
8,192 171,499 221,483 241,816 267,162 279,246 281,520 265,576 215,470 179,083 170,652 172,528 173,361
16,384 170,801 220,707 243,747 266,320 279,552 286,829 268,625 215,683 177,137 169,831 170,023 170,241 170,565
32,768 0 0 0 0 280,120 287,883 269,342 209,471 177,577 167,773 168,641 169,529 169,839
65,536 0 0 0 0 280,225 287,803 268,692 210,669 176,496 167,892 168,596 169,126 169,491
131,072 0 0 0 0 280,462 282,820 265,404 211,976 174,490 167,545 167,543 168,407 168,284
262,144 0 0 0 0 277,822 284,125 260,916 211,067 171,878 167,096 167,420 167,236 167,713
524,288 0 0 0 0 275,761 276,339 264,036 209,132 170,618 162,703 159,417 152,766 142,048
1,048,576 0 0 0 0 279,098 280,838 258,849 209,074 170,586 164,716 162,753 160,210 153,263
Test=Writer
Writer report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 37,982 41,130 45,746 52,800 64,067
128 39,312 45,681 61,448 74,810 81,735 82,261
256 46,444 52,180 62,378 81,971 94,707 94,992 95,986
512 47,019 59,293 69,480 82,901 99,552 105,960 107,630 101,466
1,024 48,588 58,454 79,171 89,966 105,795 108,612 108,314 106,433 98,537
2,048 48,339 60,041 80,146 92,959 107,293 109,000 109,284 107,715 106,279 102,450
4,096 48,572 60,727 78,684 93,220 105,518 109,818 109,328 107,394 104,668 105,066 102,448
8,192 35,762 46,656 50,814 54,394 59,626 61,111 60,903 59,962 58,321 58,550 58,379 57,692
16,384 29,702 28,973 32,246 31,779 34,582 32,088 31,662 32,644 36,469 37,285 37,308 38,776 36,509
32,768 0 0 0 0 24,476 26,803 27,871 27,405 27,684 28,405 28,548 29,123 28,831
65,536 0 0 0 0 23,986 24,986 24,239 25,263 24,743 25,621 25,263 25,758 25,316
131,072 0 0 0 0 22,200 23,059 22,486 22,821 22,752 23,315 23,138 23,455 23,422
262,144 0 0 0 0 21,599 22,130 22,305 22,315 22,732 22,209 22,719 22,561 22,516
524,288 0 0 0 0 21,637 22,472 22,495 22,533 22,697 22,533 22,098 22,251 22,253
1,048,576 0 0 0 0 23,162 23,535 23,280 23,304 23,185 23,033 23,286 23,114 22,950
Test=Reader
Reader report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 181,324 217,635 229,448 243,386 261,145
128 186,580 219,183 231,468 248,044 254,995 267,243
256 187,147 218,978 232,945 249,277 257,034 260,148 257,558
512 183,578 218,153 229,495 246,146 254,097 251,478 236,704 228,567
1,024 177,746 207,537 225,452 237,036 242,654 236,105 222,129 200,939 197,071
2,048 176,840 204,839 217,203 233,229 235,321 229,905 215,103 186,316 177,794 179,082
4,096 175,342 210,374 213,243 229,866 235,754 231,033 209,685 185,801 169,980 171,978 176,202
8,192 174,072 205,617 216,261 229,006 231,360 227,461 209,038 183,266 167,432 168,023 170,676 172,641
16,384 173,951 205,107 214,058 227,827 232,750 227,675 207,350 182,421 164,863 165,724 168,462 169,594 170,919
32,768 0 0 0 0 231,734 227,429 208,520 181,013 163,801 164,191 166,928 168,344 169,453
65,536 0 0 0 0 231,620 226,183 207,220 180,724 162,579 163,778 166,336 168,201 168,333
131,072 0 0 0 0 230,601 225,446 204,109 180,076 162,999 162,278 165,498 167,291 166,662
262,144 0 0 0 0 231,200 222,897 206,878 178,749 161,317 162,601 164,800 166,644 167,124
524,288 0 0 0 0 24,569 24,647 24,182 24,236 24,059 23,709 23,555 23,676 23,645
1,048,576 0 0 0 0 25,021 25,022 24,819 24,678 24,702 23,817 23,678 23,773 23,846
Test=Backward read
Backward read report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 159,981 211,213 228,569 243,386 251,011
128 174,625 217,716 233,990 256,518 263,376 259,681
256 175,579 220,688 237,269 260,180 268,608 268,877 254,205
512 174,572 218,530 236,274 259,768 263,659 265,829 242,999 223,186
1,024 170,351 216,852 235,077 257,223 264,120 259,570 233,581 208,595 194,783
2,048 169,718 211,985 227,832 254,381 257,349 253,215 234,109 197,094 182,077 182,759
4,096 168,983 207,287 224,857 246,731 253,168 249,740 225,613 194,722 176,803 173,449 175,416
8,192 168,834 209,107 224,881 245,342 251,087 246,642 222,204 194,436 174,279 170,937 172,253 172,408
16,384 167,892 208,352 222,832 241,441 248,013 244,453 221,180 191,178 173,406 169,425 169,625 170,898 170,739
32,768 0 0 0 0 248,881 244,944 221,173 192,255 172,299 168,235 168,836 169,558 168,971
65,536 0 0 0 0 247,764 242,182 219,238 189,914 171,751 167,760 168,315 168,617 169,275
131,072 0 0 0 0 247,940 243,185 218,742 190,308 170,061 167,715 167,734 167,046 167,441
262,144 0 0 0 0 246,432 240,799 220,960 189,680 170,060 166,691 165,996 167,914 167,710
524,288 0 0 0 0 31,988 26,721 39,614 46,975 47,667 55,204 58,112 58,191 55,364
1,048,576 0 0 0 0 15,487 12,725 19,445 24,622 25,536 30,673 32,099 32,644 32,137
Test=Re-Fwrite
Re-Fwrite report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 61,064 76,283 100,786 115,958 132,795
128 59,842 75,964 98,609 116,258 133,204 141,136
256 58,609 72,853 99,031 110,105 134,589 130,349 144,554
512 57,508 73,268 93,531 113,222 134,277 131,012 140,930 138,040
1,024 56,452 69,456 85,639 113,199 125,276 129,883 132,436 129,734 127,079
2,048 56,177 70,392 93,533 107,903 124,422 127,110 126,575 125,259 121,587 123,380
4,096 56,025 70,351 78,991 107,789 124,072 123,537 123,660 122,870 120,265 117,789 118,254
8,192 49,245 55,908 66,838 74,981 82,910 81,451 79,112 65,442 63,914 63,771 62,754 62,762
16,384 32,834 34,819 34,856 35,235 35,230 35,466 35,683 36,077 37,284 38,667 39,286 41,035 38,956
32,768 0 0 0 0 27,968 27,472 27,566 27,214 28,024 29,015 28,573 28,952 28,725
65,536 0 0 0 0 24,706 24,858 24,664 24,711 24,933 25,214 25,437 25,550 25,796
131,072 0 0 0 0 23,336 23,393 23,469 23,635 24,060 24,006 23,961 24,014 24,541
262,144 0 0 0 0 23,018 23,107 23,458 22,427 23,434 23,422 23,632 23,867 23,932
524,288 0 0 0 0 22,749 22,933 22,458 22,976 22,632 22,908 22,852 23,130 22,879
1,048,576 0 0 0 0 23,274 23,746 23,934 23,494 23,754 23,640 23,467 23,459 23,300
Test=Record rewrite
Record rewrite report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 59,422 67,085 84,098 102,576 67,227
128 62,836 78,525 94,189 110,822 88,034 86,726
256 64,549 80,961 105,007 119,458 113,175 105,476 101,627
512 63,807 81,684 107,835 117,484 119,877 124,785 117,564 107,090
1,024 64,447 81,360 106,047 127,824 127,203 131,264 126,654 114,132 104,842
2,048 64,451 80,335 104,666 124,309 134,887 137,064 134,781 123,694 111,899 106,290
4,096 64,571 80,840 107,786 126,228 138,392 141,593 138,070 126,905 116,027 111,398 106,889
8,192 64,087 81,471 106,964 116,342 144,418 144,484 142,484 128,746 118,967 113,667 111,358 56,766
16,384 63,369 81,647 101,502 122,484 143,288 144,942 142,347 129,049 119,805 114,966 113,344 49,234 36,189
32,768 0 0 0 0 136,118 144,161 140,416 129,724 119,711 115,214 115,596 43,921 30,097
65,536 0 0 0 0 140,157 148,484 140,251 128,789 119,149 116,820 115,214 43,095 29,699
131,072 0 0 0 0 142,348 140,704 138,421 129,007 119,385 116,088 115,843 43,422 28,582
262,144 0 0 0 0 143,128 143,667 141,766 129,163 129,929 115,075 116,269 40,391 28,827
524,288 0 0 0 0 137,749 146,865 139,483 128,087 118,975 115,817 116,432 41,795 30,069
1,048,576 0 0 0 0 138,347 147,516 143,111 128,427 119,188 116,576 116,290 38,656 31,027
Test=Fread
Fread report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 142,867 168,889 130,885 111,295 86,482
128 148,310 174,398 150,767 131,960 119,293 89,636
256 148,493 175,593 164,207 152,652 139,276 121,554 86,251
512 148,795 174,977 166,234 156,477 155,199 135,848 109,239 77,051
1,024 146,057 167,867 164,896 157,854 160,099 141,027 116,801 90,974 68,627
2,048 141,290 166,383 160,237 155,693 158,883 146,683 121,513 97,422 81,499 67,151
4,096 139,966 163,585 159,526 156,977 158,537 149,167 123,634 101,313 87,069 79,608 66,852
8,192 139,728 163,487 159,117 156,523 160,740 150,762 127,206 102,343 90,118 85,605 78,762 66,355
16,384 139,534 163,459 156,002 156,491 161,011 149,780 128,236 104,489 91,891 89,868 86,376 77,881 65,943
32,768 0 0 0 0 160,031 152,856 129,636 104,934 92,604 91,843 90,840 86,155 77,164
65,536 0 0 0 0 160,034 154,672 129,495 105,712 93,097 93,024 92,960 90,828 85,254
131,072 0 0 0 0 158,497 149,186 129,450 104,353 92,939 93,283 93,769 93,180 90,374
262,144 0 0 0 0 158,140 150,391 124,781 103,530 93,212 93,060 94,215 94,213 93,501
524,288 0 0 0 0 24,132 24,595 24,526 24,424 24,112 23,643 23,563 23,061 22,069
1,048,576 0 0 0 0 24,664 25,000 24,984 24,860 24,634 23,762 23,681 23,422 22,474
Test=Fwrite
Fwrite report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 39,048 44,818 51,568 60,836 67,009
128 43,582 49,747 66,979 77,527 88,703 87,489
256 46,435 57,476 75,361 86,512 99,962 102,648 101,426
512 46,993 58,154 77,085 85,148 107,746 105,004 108,821 107,835
1,024 47,156 61,361 80,427 95,388 107,709 109,775 109,191 107,960 107,257
2,048 48,140 60,550 79,444 92,656 107,219 109,506 108,233 107,931 104,473 109,023
4,096 47,712 60,490 78,968 91,253 106,522 109,223 108,477 107,054 104,062 105,929 105,493
8,192 38,385 46,959 51,000 55,100 59,628 60,371 60,291 54,207 59,000 58,318 58,429 58,368
16,384 29,467 29,444 32,838 32,971 34,978 32,303 34,131 35,600 36,363 37,362 37,083 37,908 39,155
32,768 0 0 0 0 28,395 29,284 28,396 29,215 28,870 29,250 30,250 29,575 28,812
65,536 0 0 0 0 26,353 26,245 25,930 25,840 25,992 26,422 25,984 25,569 25,739
131,072 0 0 0 0 23,989 23,914 23,926 23,708 24,325 24,053 24,715 24,053 24,071
262,144 0 0 0 0 23,437 23,171 23,499 23,783 23,268 23,436 23,654 23,451 23,301
524,288 0 0 0 0 23,197 22,611 23,402 22,579 22,543 22,900 23,391 23,241 22,976
1,048,576 0 0 0 0 23,325 23,378 23,374 22,757 23,332 23,283 22,587 23,063 23,186
Test=Stride read
Stride read report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 159,600 196,380 210,551 226,161 227,696
128 156,093 211,207 228,609 244,764 251,471 238,353
256 164,207 202,043 237,059 257,806 269,485 261,224 231,688
512 162,905 204,232 220,030 263,918 271,612 275,869 249,029 209,063
1,024 165,293 205,334 226,750 238,193 278,714 277,741 257,031 211,440 187,443
2,048 162,862 203,903 219,554 244,070 248,573 280,625 258,780 212,735 183,693 180,045
4,096 161,082 205,456 220,310 240,375 249,027 239,574 261,158 216,570 179,491 175,125 175,012
8,192 161,396 203,109 220,156 240,813 247,717 242,711 219,448 217,207 179,740 171,588 171,255 170,752
16,384 159,523 202,666 219,122 239,967 243,602 241,591 220,292 190,524 177,178 170,136 169,243 170,462 170,958
32,768 0 0 0 0 245,115 243,927 221,196 191,310 169,439 168,485 168,618 169,119 168,955
65,536 0 0 0 0 245,500 242,725 221,447 191,527 170,668 167,638 168,303 168,599 168,767
131,072 0 0 0 0 245,080 242,382 218,818 191,720 170,454 167,207 167,223 167,813 167,909
262,144 0 0 0 0 245,224 240,521 220,263 189,074 170,029 166,218 166,687 167,439 167,957
524,288 0 0 0 0 9,848 17,714 29,974 30,609 30,009 36,737 42,485 42,570 51,281
1,048,576 0 0 0 0 5,092 9,715 17,311 18,425 18,532 22,498 25,153 25,363 26,026
Test=Random write
Random write report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 60,953 75,820 100,786 110,904 130,345
128 61,685 78,865 104,410 117,325 130,882 137,485
256 61,924 78,527 106,755 117,587 137,414 135,669 137,704
512 61,820 79,194 105,740 120,584 136,935 134,630 140,121 134,281
1,024 61,211 78,618 106,710 117,443 134,031 141,145 136,151 131,923 124,710
2,048 61,708 78,738 104,516 118,876 137,477 140,911 141,075 129,644 122,144 121,557
4,096 61,414 78,804 103,775 120,911 136,097 141,764 142,425 132,793 120,498 117,417 120,236
8,192 61,554 79,262 96,848 120,050 135,876 140,401 141,980 131,259 122,141 118,667 113,946 62,291
16,384 62,094 79,189 103,696 117,771 131,830 140,906 144,088 131,412 120,550 117,857 113,228 45,374 38,019
32,768 0 0 0 0 136,066 141,009 139,526 129,227 119,780 117,085 112,858 43,506 31,000
65,536 0 0 0 0 133,881 141,457 139,744 127,960 117,598 115,207 112,313 38,984 30,037
131,072 0 0 0 0 134,406 138,823 136,531 126,254 117,622 115,297 111,610 38,904 29,071
262,144 0 0 0 0 130,748 136,864 133,458 124,498 116,597 113,816 110,699 41,056 28,599
524,288 0 0 0 0 123,315 128,819 132,547 121,684 113,942 112,144 108,646 40,184 28,844
1,048,576 0 0 0 0 114,124 122,881 123,230 116,675 109,961 107,411 104,135 39,712 28,701
Test=Re-Reader
Re-Reader report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 189,919 226,926 239,692 260,132 279,498
128 190,452 228,561 238,830 258,618 271,158 283,845
256 188,925 224,565 234,445 251,496 265,257 271,770 266,939
512 186,043 221,746 233,360 248,654 255,229 254,097 242,081 224,857
1,024 184,140 215,671 217,550 238,358 247,286 239,141 225,998 201,061 192,954
2,048 177,423 212,404 215,714 240,601 235,454 236,928 214,740 188,322 175,147 182,677
4,096 175,477 210,590 218,268 229,172 234,178 233,097 210,884 186,809 169,980 171,834 175,582
8,192 174,784 207,282 216,067 231,060 236,783 230,467 207,355 182,746 166,758 168,535 171,116 173,002
16,384 172,993 205,948 214,886 229,896 233,417 227,403 206,513 182,226 165,239 165,801 168,391 170,505 170,711
32,768 0 0 0 0 232,859 228,466 205,627 181,767 163,609 164,342 166,780 168,831 169,293
65,536 0 0 0 0 232,353 228,036 206,777 180,726 163,284 164,429 166,350 167,600 168,818
131,072 0 0 0 0 232,218 227,725 207,479 181,110 162,702 162,829 165,799 167,369 168,220
262,144 0 0 0 0 230,963 225,693 205,162 179,671 161,915 161,850 164,088 166,835 167,366
524,288 0 0 0 0 24,672 24,660 24,269 24,223 24,170 23,793 23,685 23,642 23,591
1048576 0 0 0 0 25,021 25,015 24,832 24,682 24,751 23,835 23,841 23,885 23,787
############### ----- ##############
Comparing results.... Results are percentage throughput change from hfsplus to ufs (i.e.: ufs is x% faster/slower than hfsplus)
Test: Re-writer
Re-writer report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 (9.5) (28.4) (16.1) (16.2) 1.7
128 (13.2) (22.8) (18.5) (25.5) (3.1) (7.0)
256 (16.3) (24.5) (20.8) (21.8) (7.7) (4.5) (8.9)
512 (16.0) (27.4) (24.5) (23.8) (7.8) (10.4) (6.5) (6.9)
1024 (13.7) (25.6) (19.4) (20.9) (2.9) (9.7) (5.7) (8.4) (6.8)
2048 (17.3) (27.8) (24.9) (21.7) (3.8) (8.3) (7.8) (4.2) (6.2) (4.0)
4096 (15.3) (27.2) (19.1) (21.5) (4.1) (9.3) (7.3) (5.7) (6.1) (4.8) (6.3)
8192 (15.8) (24.5) 3.7 (18.4) (7.4) (5.3) 11.6 (9.7) (2.9) (3.6) (4.7) (3.9)
16384 (15.2) (19.1) (17.8) (12.4) (13.0) (12.8) (14.3) (8.0) (10.2) (8.3) (5.4) (5.9) (12.7)
32768 0.0 0.0 0.0 0.0 (12.2) (11.3) (8.4) (9.2) (12.3) (7.6) (7.5) (11.6) (12.8)
65536 0.0 0.0 0.0 0.0 (14.3) (17.1) (18.9) (16.6) (16.3) (20.8) (14.5) (13.5) (10.6)
131072 0.0 0.0 0.0 0.0 (16.4) (15.2) (16.4) (17.2) (14.3) (14.6) (11.8) (14.0) (11.1)
262144 0.0 0.0 0.0 0.0 (14.9) (15.2) (15.9) (16.8) (16.0) (12.2) (14.6) (14.3) (12.8)
524288 0.0 0.0 0.0 0.0 (16.2) (13.3) (14.7) (16.1) (13.6) (16.3) (14.7) (14.0) (13.4)
1048576 0.0 0.0 0.0 0.0 (11.5) (12.0) (9.5) (10.4) (11.9) (12.9) (13.5) (13.0) (13.2)
Test: Random read
Random read report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 (2.1) (3.5) (2.1) (1.9) (2.4)
128 (2.5) (3.5) (2.7) (1.8) (0.8) (1.5)
256 (2.5) (1.2) (2.0) (1.5) (1.5) 0.3 (2.9)
512 (2.3) (2.1) (1.7) (1.3) 0.2 (0.7) 1.4 (1.6)
1024 (2.4) (2.7) (0.1) (0.6) (0.3) (1.1) (1.1) 1.1 (1.3)
2048 (3.4) (1.2) (1.7) (0.4) (1.4) (2.9) (2.1) 1.2 (0.1) (0.3)
4096 (1.8) (1.7) (0.3) (1.1) (1.9) 1.3 0.8 (1.6) (0.3) (0.1) 1.3
8192 (2.5) (1.8) (0.4) 0.1 (0.8) (1.9) (1.6) 5.2 1.2 (0.3) 1.1 0.7
16384 (2.5) (1.3) (0.6) (0.7) (0.8) 0.2 (0.2) (2.0) (0.6) 0.6 0.3 (0.9) (1.1)
32768 0.0 0.0 0.0 0.0 (0.6) 0.3 1.8 (0.7) 1.5 (0.5) (1.2) (0.4) (0.5)
65536 0.0 0.0 0.0 0.0 (0.7) 0.3 (0.1) (4.1) 0.3 (0.4) 0.4 (0.0) (0.1)
131072 0.0 0.0 0.0 0.0 (0.9) 0.2 (1.1) (2.0) (0.2) 0.1 (1.2) (0.0) (0.1)
262144 0.0 0.0 0.0 0.0 (1.4) (0.2) (1.0) (1.1) (2.0) (0.2) (0.3) (0.4) (0.9)
524288 0.0 0.0 0.0 0.0 (1.3) (1.8) 0.7 (0.4) (0.8) (0.4) (0.5) (1.8) (2.3)
1048576 0.0 0.0 0.0 0.0 (0.5) (0.4) (2.4) (0.3) (1.5) 0.0 (0.6) (0.4) (1.4)
Test: Writer
Writer report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 (33.5) (49.9) (55.5) (55.9) (34.0)
128 (33.5) (47.3) (44.0) (42.3) (24.9) (33.6)
256 (21.4) (38.3) (44.5) (37.6) (20.4) (29.4) (29.6)
512 (19.7) (31.5) (36.4) (34.2) (19.0) (22.5) (20.4) (24.6)
1024 (18.4) (33.5) (30.5) (30.2) (16.4) (20.0) (20.9) (22.1) (16.9)
2048 (18.1) (31.0) (23.9) (28.6) (14.3) (19.4) (17.1) (17.0) (16.9) (10.6)
4096 (16.8) (30.4) (28.2) (28.8) (14.7) (17.9) (17.2) (16.4) (15.6) (15.1) (14.3)
8192 (30.6) (37.4) (35.0) (39.1) (30.3) (29.9) (16.1) (15.5) (9.2) (10.6) (11.1) (11.5)
16384 (20.7) (31.6) (23.0) (25.7) (21.3) (24.3) (29.2) (26.1) (12.5) (11.6) (16.6) (6.7) (16.8)
32768 0.0 0.0 0.0 0.0 (23.5) (19.5) (13.6) (14.6) (13.7) (11.1) (8.3) (11.1) (9.3)
65536 0.0 0.0 0.0 0.0 (19.6) (17.5) (18.0) (17.3) (20.3) (16.0) (14.0) (14.2) (17.1)
131072 0.0 0.0 0.0 0.0 (21.1) (16.9) (21.2) (21.0) (17.2) (17.1) (18.1) (17.3) (16.9)
262144 0.0 0.0 0.0 0.0 (20.7) (18.9) (18.7) (19.4) (17.4) (17.8) (16.1) (18.5) (16.4)
524288 0.0 0.0 0.0 0.0 (19.2) (16.6) (16.1) (16.1) (15.5) (15.7) (18.6) (16.6) (17.9)
1048576 0.0 0.0 0.0 0.0 (12.2) (12.5) (13.1) (12.5) (15.3) (15.7) (14.4) (15.1) (16.0)
Test: Reader
Reader report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 (3.7) (1.1) (1.4) (0.8) (1.3)
128 (3.5) (3.4) (2.2) (2.3) (1.2) (0.8)
256 (2.3) (4.3) (1.5) 0.4 0.5 0.3 (0.6)
512 (3.4) (3.6) (2.3) (0.7) 0.8 2.1 1.2 0.8
1024 (3.5) (5.6) (1.9) 0.6 (1.0) (3.3) (1.1) 0.9 (0.1)
2048 (2.8) (4.0) (2.9) (0.9) (1.5) (0.8) 1.4 (2.7) 0.8 (1.5)
4096 (2.0) (1.2) (3.2) 0.3 1.0 1.9 0.2 (0.1) (0.0) 0.9 1.1
8192 (2.8) (3.9) (2.5) (0.5) (2.4) (0.6) (0.3) (1.5) 0.6 0.1 0.5 0.2
16384 (3.0) (2.9) (2.6) (1.1) 0.1 1.8 (1.7) (0.7) (0.8) 0.0 (0.4) (0.1) (0.2)
32768 0.0 0.0 0.0 0.0 (0.1) (1.9) (1.4) (1.3) (0.9) (0.6) (0.8) (1.0) (0.4)
65536 0.0 0.0 0.0 0.0 (1.4) (2.0) (1.3) (1.0) (1.4) (0.5) 0.4 (0.2) (0.1)
131072 0.0 0.0 0.0 0.0 (2.1) (1.4) (3.2) (0.9) (0.1) (1.5) (0.3) (0.1) (0.9)
262144 0.0 0.0 0.0 0.0 (0.7) (2.8) (1.2) (2.1) (1.4) (0.6) (0.7) (0.5) (0.7)
524288 0.0 0.0 0.0 0.0 (15.0) (14.5) (16.1) (15.9) (16.4) (17.3) (18.2) (17.7) (17.9)
1048576 0.0 0.0 0.0 0.0 (13.4) (13.4) (14.2) (14.4) (14.7) (17.3) (17.9) (17.6) (17.4)
Test: Backward read
Backward read report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 (1.8) (1.0) (1.1) (1.5) (0.4)
128 (3.7) (2.2) (2.4) (1.2) (1.0) (2.2)
256 (3.9) (0.5) (1.0) 0.7 0.3 1.8 (0.5)
512 (4.3) (3.1) (2.4) 0.3 (0.9) 1.8 (1.0) 1.0
1024 (4.1) (3.0) (0.8) (0.2) 0.4 (2.3) (0.6) (0.3) (1.3)
2048 (3.2) (4.0) (4.1) 1.8 (1.9) (0.7) 3.3 (1.2) (0.5) 0.5
4096 (2.2) (3.2) (2.6) (1.4) (1.0) 1.9 0.7 0.8 (0.8) 0.0 1.1
8192 (2.4) (2.6) (2.5) (0.6) (0.8) (0.8) (0.6) 0.8 (0.5) 0.1 0.9 0.2
16384 (2.9) (2.4) (1.3) (1.7) (1.9) (1.1) (1.8) (1.3) (0.2) (0.5) (0.3) 0.3 (0.9)
32768 0.0 0.0 0.0 0.0 (1.1) (0.7) (1.2) (1.0) (0.7) (0.8) (0.9) 0.2 (0.4)
65536 0.0 0.0 0.0 0.0 (1.6) 1.0 (2.7) 0.3 (0.8) (0.1) (0.1) (0.9) (0.6)
131072 0.0 0.0 0.0 0.0 (0.4) (1.5) (1.7) (1.5) (1.4) 0.0 (0.1) (1.5) (0.6)
262144 0.0 0.0 0.0 0.0 (0.5) (1.7) (0.1) (2.2) (1.9) (0.5) (0.9) (0.4) (0.9)
524288 0.0 0.0 0.0 0.0 (3.8) 0.3 (7.3) (9.6) (6.5) (3.9) (5.4) (9.6) (13.3)
1048576 0.0 0.0 0.0 0.0 (4.5) (0.3) (8.7) (7.2) (7.2) (9.2) (12.1) (13.6) (13.7)
Test: Re-Fwrite
Re-Fwrite report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 (9.3) (21.6) (16.2) (17.9) (1.0)
128 (12.7) (23.4) (20.8) (20.7) (0.3) (7.6)
256 (14.4) (25.9) (20.9) (20.5) (2.4) (14.0) (4.7)
512 (15.5) (25.1) (25.1) (17.9) (1.5) (13.5) (8.0) (6.8)
1024 (16.2) (29.3) (29.5) (19.7) (5.1) (12.1) (6.5) (5.6) (7.0)
2048 (15.5) (27.1) (21.0) (21.2) (2.2) (9.5) (7.4) (6.0) (7.6) (4.0)
4096 (15.4) (26.4) (32.8) (21.1) (3.8) (11.5) (7.1) (5.0) (6.1) (7.1) (6.3)
8192 (15.1) (19.5) (8.9) (17.8) (3.2) (3.5) 10.8 (6.7) (2.5) (6.2) (5.6) (4.7)
16384 (21.8) (12.5) (17.4) (16.6) (12.2) (16.8) (12.1) (12.4) (14.9) (12.5) (9.3) (0.5) (10.5)
32768 0.0 0.0 0.0 0.0 (9.2) (14.7) (12.7) (18.1) (13.9) (7.4) (10.8) (9.0) (12.2)
65536 0.0 0.0 0.0 0.0 (18.0) (13.8) (18.7) (18.8) (16.5) (16.6) (14.6) (11.9) (14.1)
131072 0.0 0.0 0.0 0.0 (15.2) (15.6) (16.2) (16.4) (13.4) (13.5) (17.3) (14.1) (13.1)
262144 0.0 0.0 0.0 0.0 (16.7) (14.8) (13.4) (17.5) (14.1) (13.1) (13.1) (13.3) (11.8)
524288 0.0 0.0 0.0 0.0 (14.1) (12.6) (14.9) (14.2) (15.0) (14.1) (13.4) (12.4) (13.1)
1048576 0.0 0.0 0.0 0.0 (12.2) (10.7) (10.6) (13.0) (12.7) (13.4) (13.7) (12.6) (12.9)
Test: Record rewrite
Record rewrite report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 (7.7) (27.3) (26.5) (21.3) (43.3)
128 (6.0) (18.5) (20.6) (12.4) (32.4) (37.2)
256 (4.9) (14.7) (14.8) (18.2) (18.1) (27.4) (27.7)
512 (6.2) (17.8) (11.2) (21.1) (14.8) (16.3) (21.4) (24.9)
1024 (3.8) (17.8) (15.4) (13.8) (10.4) (15.6) (17.3) (16.9) (18.8)
2048 (3.9) (18.1) (12.0) (17.0) (6.8) (13.6) (15.7) (10.3) (12.8) (16.3)
4096 (4.7) (18.2) (10.8) (15.2) (2.3) (12.6) (8.3) (8.7) (9.5) (11.4) (14.4)
8192 (5.0) (18.4) (15.2) (22.5) (0.6) (9.6) (9.1) (10.6) (8.6) (9.1) (11.4) (13.7)
16384 (5.5) (18.3) (19.1) (18.2) 0.4 (9.6) (3.7) (5.4) (6.1) (6.8) (8.5) (2.4) (13.1)
32768 0.0 0.0 0.0 0.0 (6.6) (8.4) (8.9) (8.2) (7.1) (7.2) (7.4) (10.1) (14.6)
65536 0.0 0.0 0.0 0.0 (3.5) (5.1) (9.0) (6.9) (6.8) (6.3) (6.4) (3.3) (12.5)
131072 0.0 0.0 0.0 0.0 (0.5) (9.7) (9.0) (7.0) (6.9) (5.5) (5.7) 3.0 (16.1)
262144 0.0 0.0 0.0 0.0 (0.2) (9.8) (6.4) (6.4) 2.6 (6.8) (5.5) 11.1 (5.3)
524288 0.0 0.0 0.0 0.0 (3.2) (4.0) (6.8) (7.2) (5.9) (5.9) (5.7) 4.6 (1.5)
1048576 0.0 0.0 0.0 0.0 (5.0) (3.8) (6.0) (6.5) (6.7) (5.3) (5.5) (7.5) (2.2)
Test: Fread
Fread report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 (3.1) (3.7) 0.4 (0.5) 0.1
128 (2.2) (1.9) (2.0) (3.0) (1.4) 0.8
256 (3.4) (3.4) 0.1 (0.1) (0.9) 2.9 (0.3)
512 (1.8) (1.7) (1.9) (1.5) 3.1 (0.2) 0.9 0.0
1024 (3.4) (3.4) (2.0) (2.1) 3.0 (3.7) (1.5) (2.7) (1.5)
2048 (1.1) (2.8) (1.2) (2.4) (0.4) (2.5) (1.4) 0.0 (0.0) 0.0
4096 (2.4) (2.6) (0.5) 0.0 (1.5) (0.1) (5.0) (0.3) 0.3 0.8 (0.3)
8192 (3.4) (2.0) (1.9) (0.6) (1.2) 0.7 (0.1) 0.0 0.5 (0.5) 0.3 (0.2)
16384 (2.6) (2.9) (1.8) (0.4) (0.5) 0.2 (0.4) 1.1 (0.4) (0.6) (0.1) (1.2) 0.3
32768 0.0 0.0 0.0 0.0 (1.1) 3.1 (0.3) (0.3) (0.4) (0.3) 1.7 (0.3) (2.1)
65536 0.0 0.0 0.0 0.0 1.0 2.9 (0.2) 1.5 (0.3) 0.3 0.5 0.3 (0.8)
131072 0.0 0.0 0.0 0.0 (1.2) (1.4) 1.2 1.5 (0.0) (0.3) 0.2 0.1 (0.7)
262144 0.0 0.0 0.0 0.0 (1.5) (1.5) (3.0) 0.0 (0.0) (0.2) 0.2 0.4 0.4
524288 0.0 0.0 0.0 0.0 (16.4) (14.6) (14.4) (14.8) (16.1) (17.7) (17.4) (13.4) (14.5)
1048576 0.0 0.0 0.0 0.0 (14.5) (13.5) (13.5) (14.0) (14.7) (17.5) (17.2) (12.2) (13.1)
Test: Fwrite
Fwrite report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 (32.2) (46.5) (52.2) (52.7) (45.9)
128 (26.3) (42.8) (41.4) (43.9) (32.4) (39.0)
256 (22.1) (35.7) (33.7) (29.3) (23.6) (29.4) (25.0)
512 (19.7) (33.2) (31.6) (38.9) (17.7) (27.4) (24.4) (21.0)
1024 (19.0) (28.5) (26.5) (27.8) (16.2) (20.7) (21.3) (17.2) (18.0)
2048 (16.9) (28.8) (26.9) (29.2) (15.0) (20.1) (18.7) (15.9) (15.8) (12.2)
4096 (17.2) (28.4) (27.0) (29.4) (13.7) (18.5) (18.1) (14.6) (15.6) (14.1) (15.1)
8192 (24.3) (35.9) (34.1) (38.3) (30.2) (29.3) (27.7) (21.1) (9.4) (13.6) (10.9) (10.7)
16384 (24.3) (26.2) (25.4) (21.7) (22.0) (24.2) (23.1) (10.5) (12.3) (14.9) (15.8) (8.7) (11.3)
32768 0.0 0.0 0.0 0.0 (13.8) (11.3) (10.2) (12.9) (9.8) (6.9) (9.2) (7.9) (11.6)
65536 0.0 0.0 0.0 0.0 (11.5) (13.6) (13.1) (14.6) (12.2) (11.8) (14.7) (13.3) (12.6)
131072 0.0 0.0 0.0 0.0 (13.0) (14.4) (14.7) (16.0) (15.1) (13.0) (10.7) (13.4) (14.4)
262144 0.0 0.0 0.0 0.0 (14.1) (17.2) (13.5) (11.9) (14.9) (13.6) (12.7) (12.9) (13.4)
524288 0.0 0.0 0.0 0.0 (13.5) (16.5) (12.2) (15.5) (16.6) (15.0) (12.3) (12.4) (12.9)
1048576 0.0 0.0 0.0 0.0 (14.0) (11.9) (12.6) (17.0) (14.4) (14.4) (16.4) (13.7) (13.5)
Test: Stride read
Stride read report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 (4.7) (2.7) (2.0) 1.4 (0.4)
128 (4.4) (4.0) (1.4) (1.5) (1.6) (2.2)
256 (3.8) (2.8) (2.6) (1.1) 0.6 (1.2) (1.5)
512 (4.5) (5.7) (2.8) (1.3) (2.2) 1.3 (0.9) (1.9)
1024 (2.3) (3.0) 0.2 (5.6) (2.0) 1.7 (1.8) (1.1) (4.2)
2048 (3.0) (3.1) (2.3) (1.9) (2.1) (1.6) (2.6) (1.3) (1.3) (0.8)
4096 (3.7) (2.1) (2.6) (1.2) (1.9) 1.6 (3.4) 2.6 (1.2) 0.4 1.1
8192 (2.6) (4.1) (2.4) (1.2) (1.0) (0.7) 0.6 1.5 0.3 0.7 0.3 (0.4)
16384 (4.0) (2.3) (2.4) (2.1) (2.2) (2.1) (0.9) (0.6) (1.5) 0.2 (0.6) (0.1) (0.3)
32768 0.0 0.0 0.0 0.0 (0.5) (0.8) (1.3) 1.4 (1.4) (0.3) (0.8) (0.4) (1.0)
65536 0.0 0.0 0.0 0.0 (1.9) 1.9 (1.2) (0.7) (1.6) (0.4) (1.1) 0.1 (0.5)
131072 0.0 0.0 0.0 0.0 (0.9) (0.5) (2.4) (0.7) (0.3) (0.2) (1.0) (0.4) (1.2)
262144 0.0 0.0 0.0 0.0 (1.3) (0.7) (1.0) (2.0) (1.2) (0.6) (1.2) (0.9) 0.0
524288 0.0 0.0 0.0 0.0 16.8 (16.8) 1.4 4.1 (12.4) (10.7) (4.6) (16.4) (8.7)
1048576 0.0 0.0 0.0 0.0 9.5 (19.4) 0.7 7.0 (10.6) (13.3) (10.5) (14.9) (13.5)
Test: Random write
Random write report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 (4.7) (19.4) (14.3) (20.8) (2.0)
128 (5.1) (16.8) (14.8) (20.0) (4.1) (4.9)
256 (4.9) (18.6) (10.4) (20.6) 0.5 (10.7) (8.1)
512 (6.0) (16.4) (10.1) (18.9) (3.9) (10.6) (4.9) (3.6)
1024 (6.7) (19.1) (12.6) (20.7) (4.3) (9.5) (9.8) (4.7) (5.6)
2048 (5.6) (18.5) (14.3) (18.4) (4.7) (13.4) (8.6) (10.8) (6.5) (3.5)
4096 (6.3) (18.0) (16.8) (19.7) (6.4) (11.3) (8.4) (8.8) (7.8) (7.1) (4.5)
8192 (5.9) (18.4) (21.7) (18.9) (5.9) (13.1) (9.9) (4.6) (5.5) (5.2) (8.6) (6.4)
16384 (4.9) (18.6) (12.0) (20.9) (7.3) (9.1) (5.4) (6.5) (6.1) (5.2) (9.5) (13.4) (7.9)
32768 0.0 0.0 0.0 0.0 (4.8) (11.1) (5.4) (7.7) (6.7) (4.7) (9.7) (6.0) (15.0)
65536 0.0 0.0 0.0 0.0 (6.2) (11.2) (8.5) (9.2) (8.6) (6.6) (10.1) (11.0) (15.2)
131072 0.0 0.0 0.0 0.0 (5.1) (11.4) (10.5) (9.4) (7.3) (7.0) (10.1) (2.2) (12.5)
262144 0.0 0.0 0.0 0.0 (8.8) (12.7) (12.3) (10.2) (8.6) (7.1) (9.9) 0.5 (18.1)
524288 0.0 0.0 0.0 0.0 (14.0) (13.6) (11.7) (11.5) (11.2) (8.7) (11.6) (8.3) (12.1)
1048576 0.0 0.0 0.0 0.0 (19.6) (19.1) (18.9) (15.2) (13.1) (12.3) (15.0) (11.7) (12.3)
Test: Re-Reader
Re-Reader report
4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384
64 (4.4) (3.6) (2.6) (1.2) (1.3)
128 (3.3) (2.7) (2.4) (1.6) (1.9) (1.5)
256 (4.7) (4.3) (3.4) (3.1) (0.8) (1.7) (1.2)
512 (2.3) (2.5) (1.5) (2.3) (0.7) 3.9 (1.7) (0.1)
1024 (2.8) 0.1 (1.7) (0.9) (1.4) (4.8) 0.5 (0.5) (1.2)
2048 (1.9) (1.2) (4.2) (0.4) (1.4) (0.8) 0.3 0.7 (0.6) 0.9
4096 (3.1) (1.2) (0.9) (2.8) (2.2) 1.4 1.6 0.9 0.7 (0.0) 1.8
8192 (3.5) (2.5) (2.2) (0.2) (0.0) (0.2) (0.9) (0.5) (0.6) 0.8 0.5 1.0
16384 (4.5) (2.9) (2.8) (1.8) (1.7) (2.1) (2.7) 1.0 (0.4) (0.6) (0.0) (0.0) 0.5
32768 0.0 0.0 0.0 0.0 0.1 1.0 (2.7) (0.9) (1.1) (0.8) 0.1 (0.8) (0.2)
65536 0.0 0.0 0.0 0.0 (1.5) 1.2 (1.6) 0.4 (1.2) (0.2) (0.8) (0.8) (0.1)
131072 0.0 0.0 0.0 0.0 (0.3) (1.1) (0.4) (0.1) (1.4) (0.5) (0.3) (0.3) 0.1
262144 0.0 0.0 0.0 0.0 (1.3) (1.0) (1.5) (1.1) (1.5) (1.1) (1.3) (0.4) (0.4)
524288 0.0 0.0 0.0 0.0 (14.6) (14.7) (16.1) (15.9) (16.1) (17.4) (17.5) (18.1) (18.2)
1048576 0.0 0.0 0.0 0.0 (13.5) (13.7) (14.3) (14.8) (14.5) (17.5) (17.4) (17.2) (17.7)