Hardware ist eine Samsung EVO 960 m.2 mit 250GB
Eingabe sudo iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2 Ausgabe Run began: Thu Jun 14 12:04:01 2018 Include fsync in write timing O_DIRECT feature enabled Auto Mode File size set to 102400 kB Record Size 4 kB Record Size 16 kB Record Size 512 kB Record Size 1024 kB Record Size 16384 kB Command line used: iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2 Output is in kBytes/sec Time Resolution = 0.000001 seconds. Processor cache size set to 1024 kBytes. Processor cache line size set to 32 bytes. File stride size set to 17 * record size. random random bkwd record stride kB reclen write rewrite read reread read write read rewrite read fwrite frewrite fread freread 102400 4 40859 79542 101334 101666 31721 60459 102400 16 113215 202566 234307 233091 108334 154750 102400 512 362864 412548 359279 362810 340235 412626 102400 1024 400478 453205 381115 385746 372378 453548 102400 16384 583762 598047 595752 596251 590950 604690Zum direkten Vergleich hier heute mal mit 4.17.0-rc6-1019
rock64@rockpro64:/mnt$ uname -a Linux rockpro64 4.17.0-rc6-1019-ayufan-gfafc3e1c913f #1 SMP PREEMPT Tue Jun 12 19:06:59 UTC 2018 aarch64 aarch64 aarch64 GNU/Linux iozone Test rock64@rockpro64:/mnt$ sudo iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2 Iozone: Performance Test of File I/O Version $Revision: 3.429 $ Compiled for 64 bit mode. Build: linux Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins Al Slater, Scott Rhine, Mike Wisner, Ken Goss Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR, Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner, Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone, Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root, Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer, Vangel Bojaxhi, Ben England, Vikentsi Lapa. Run began: Sat Jun 16 06:34:43 2018 Include fsync in write timing O_DIRECT feature enabled Auto Mode File size set to 102400 kB Record Size 4 kB Record Size 16 kB Record Size 512 kB Record Size 1024 kB Record Size 16384 kB Command line used: iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2 Output is in kBytes/sec Time Resolution = 0.000001 seconds. Processor cache size set to 1024 kBytes. Processor cache line size set to 32 bytes. File stride size set to 17 * record size. random random bkwd record stride kB reclen write rewrite read reread read write read rewrite read fwrite frewrite fread freread 102400 4 48672 104754 115838 116803 47894 103606 102400 16 168084 276437 292660 295458 162550 273703 102400 512 566572 597648 580005 589209 534508 597007 102400 1024 585621 624443 590545 599177 569452 630098 102400 16384 504871 754710 765558 780592 777696 753426 iozone test complete.