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- root@macchiatobin:~/src/flashbench# ./flashbench -a /dev/mmcblk1 -b $((3 * 1024))
- align 12884901888 pre 490µs on 648µs post 517µs diff 145µs
- align 6442450944 pre 512µs on 727µs post 528µs diff 207µs
- align 3221225472 pre 547µs on 752µs post 545µs diff 207µs
- align 1610612736 pre 538µs on 772µs post 560µs diff 223µs
- align 805306368 pre 499µs on 709µs post 526µs diff 196µs
- align 402653184 pre 499µs on 718µs post 536µs diff 201µs
- align 201326592 pre 498µs on 683µs post 496µs diff 186µs
- align 100663296 pre 520µs on 704µs post 518µs diff 185µs
- align 50331648 pre 498µs on 681µs post 500µs diff 182µs
- align 25165824 pre 496µs on 679µs post 497µs diff 183µs
- align 12582912 pre 565µs on 748µs post 520µs diff 205µs
- align 6291456 pre 495µs on 566µs post 497µs diff 69.5µs
- align 3145728 pre 519µs on 521µs post 521µs diff 346ns
- align 1572864 pre 520µs on 521µs post 521µs diff 446ns
- align 786432 pre 520µs on 521µs post 521µs diff 932ns
- align 393216 pre 519µs on 521µs post 521µs diff 981ns
- align 196608 pre 529µs on 530µs post 530µs diff 1.09µs
- align 98304 pre 527µs on 529µs post 527µs diff 1.73µs
- align 49152 pre 523µs on 524µs post 523µs diff 960ns
- align 24576 pre 522µs on 522µs post 523µs diff -41ns
- align 12288 pre 536µs on 538µs post 539µs diff 603ns
- align 6144 pre 535µs on 535µs post 535µs diff -54ns
- root@macchiatobin:~/src/flashbench# ./flashbench -a /dev/mmcblk1 -b $((2 * 1024))
- align 17179869184 pre 515µs on 640µs post 514µs diff 126µs
- align 8589934592 pre 471µs on 614µs post 448µs diff 155µs
- align 4294967296 pre 504µs on 760µs post 532µs diff 242µs
- align 2147483648 pre 521µs on 773µs post 510µs diff 257µs
- align 1073741824 pre 520µs on 714µs post 497µs diff 206µs
- align 536870912 pre 518µs on 724µs post 530µs diff 201µs
- align 268435456 pre 497µs on 723µs post 545µs diff 202µs
- align 134217728 pre 502µs on 653µs post 498µs diff 152µs
- align 67108864 pre 542µs on 696µs post 498µs diff 177µs
- align 33554432 pre 495µs on 645µs post 496µs diff 150µs
- align 16777216 pre 510µs on 725µs post 501µs diff 220µs
- align 8388608 pre 497µs on 689µs post 543µs diff 170µs
- align 4194304 pre 523µs on 672µs post 495µs diff 163µs
- align 2097152 pre 512µs on 676µs post 517µs diff 161µs
- align 1048576 pre 520µs on 521µs post 521µs diff 554ns
- align 524288 pre 520µs on 521µs post 521µs diff 672ns
- align 262144 pre 520µs on 521µs post 521µs diff 712ns
- align 131072 pre 519µs on 520µs post 521µs diff 180ns
- align 65536 pre 513µs on 514µs post 513µs diff 1.17µs
- align 32768 pre 518µs on 519µs post 510µs diff 5.79µs
- align 16384 pre 535µs on 535µs post 531µs diff 2.45µs
- align 8192 pre 532µs on 533µs post 534µs diff -222ns
- align 4096 pre 532µs on 533µs post 534µs diff -477ns
- root@macchiatobin:~/src/flashbench# blkdiscard /dev/mmcblk1p3
- root@macchiatobin:~/src/flashbench# ./flashbench -a /dev/mmcblk1 -b $((3 * 1024))
- align 12884901888 pre 282µs on 291µs post 281µs diff 9.3µs
- align 6442450944 pre 260µs on 266µs post 259µs diff 6.13µs
- align 3221225472 pre 303µs on 328µs post 299µs diff 27µs
- align 1610612736 pre 297µs on 320µs post 294µs diff 24.2µs
- align 805306368 pre 281µs on 292µs post 282µs diff 10.3µs
- align 402653184 pre 281µs on 330µs post 321µs diff 29.3µs
- align 201326592 pre 281µs on 292µs post 279µs diff 11.9µs
- align 100663296 pre 281µs on 292µs post 279µs diff 12µs
- align 50331648 pre 281µs on 292µs post 282µs diff 10.2µs
- align 25165824 pre 279µs on 290µs post 280µs diff 10.5µs
- align 12582912 pre 280µs on 291µs post 279µs diff 12µs
- align 6291456 pre 302µs on 325µs post 300µs diff 24.3µs
- align 3145728 pre 280µs on 283µs post 282µs diff 1.83µs
- align 1572864 pre 280µs on 282µs post 282µs diff 1.23µs
- align 786432 pre 280µs on 283µs post 282µs diff 1.84µs
- align 393216 pre 280µs on 282µs post 282µs diff 1.48µs
- align 196608 pre 279µs on 282µs post 281µs diff 2.11µs
- align 98304 pre 283µs on 285µs post 285µs diff 1.68µs
- align 49152 pre 281µs on 284µs post 284µs diff 1.34µs
- align 24576 pre 280µs on 281µs post 281µs diff 358ns
- align 12288 pre 295µs on 295µs post 296µs diff -549ns
- align 6144 pre 295µs on 294µs post 293µs diff -774ns
- root@macchiatobin:~/src/flashbench# ./flashbench -a /dev/mmcblk1 -b $((2 * 1024))
- align 17179869184 pre 237µs on 251µs post 236µs diff 14.4µs
- align 8589934592 pre 218µs on 233µs post 218µs diff 15.7µs
- align 4294967296 pre 256µs on 312µs post 257µs diff 55.6µs
- align 2147483648 pre 239µs on 268µs post 235µs diff 31.3µs
- align 1073741824 pre 239µs on 274µs post 239µs diff 34.9µs
- align 536870912 pre 265µs on 292µs post 251µs diff 34.4µs
- align 268435456 pre 238µs on 269µs post 252µs diff 24µs
- align 134217728 pre 241µs on 259µs post 236µs diff 20.6µs
- align 67108864 pre 239µs on 257µs post 239µs diff 17.7µs
- align 33554432 pre 236µs on 254µs post 237µs diff 17.6µs
- align 16777216 pre 237µs on 277µs post 237µs diff 40.3µs
- align 8388608 pre 261µs on 295µs post 259µs diff 35.1µs
- align 4194304 pre 238µs on 273µs post 254µs diff 27.4µs
- align 2097152 pre 230µs on 258µs post 234µs diff 26.7µs
- align 1048576 pre 235µs on 237µs post 236µs diff 1.65µs
- align 524288 pre 238µs on 240µs post 239µs diff 1.58µs
- align 262144 pre 235µs on 237µs post 236µs diff 1.61µs
- align 131072 pre 238µs on 240µs post 239µs diff 1.42µs
- align 65536 pre 237µs on 239µs post 238µs diff 1.75µs
- align 32768 pre 236µs on 238µs post 237µs diff 2µs
- align 16384 pre 251µs on 251µs post 251µs diff -154ns
- align 8192 pre 248µs on 249µs post 250µs diff -214ns
- align 4096 pre 250µs on 250µs post 248µs diff 788ns
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