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Date: Fri, 18 Dec 2020 11:16:13 +0900 From: Daejun Park <daejun7.park@...sung.com> To: Bart Van Assche <bvanassche@....org>, Daejun Park <daejun7.park@...sung.com>, Greg KH <gregkh@...uxfoundation.org> CC: "avri.altman@....com" <avri.altman@....com>, "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>, "martin.petersen@...cle.com" <martin.petersen@...cle.com>, "asutoshd@...eaurora.org" <asutoshd@...eaurora.org>, "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>, "cang@...eaurora.org" <cang@...eaurora.org>, "huobean@...il.com" <huobean@...il.com>, ALIM AKHTAR <alim.akhtar@...sung.com>, "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Sung-Jun Park <sungjun07.park@...sung.com>, yongmyung lee <ymhungry.lee@...sung.com>, Jinyoung CHOI <j-young.choi@...sung.com>, Adel Choi <adel.choi@...sung.com>, BoRam Shin <boram.shin@...sung.com>, SEUNGUK SHIN <seunguk.shin@...sung.com> Subject: RE: Re: [PATCH v14 0/3] scsi: ufs: Add Host Performance Booster Support On 12/17/20 5:05 PM, Daejun Park wrote: > > Here is my iozone script: > > iozone -r 4k -+n -i2 -ecI -t 16 -l 16 -u 16 > > -s $IO_RANGE/16 -F mnt/tmp_1 mnt/tmp_2 mnt/tmp_3 mnt/tmp_4 > > mnt/tmp_5 mnt/tmp_6 mnt/tmp_7 mnt/tmp_8 mnt/tmp_9 mnt/tmp_10 mnt/tmp_11 > > mnt/tmp_12 mnt/tmp_13 mnt/tmp_14 mnt/tmp_15 mnt/tmp_16 > > > > Result: > > +----------+--------+---------+ > > | IO range | HPB on | HPB off | > > +----------+--------+---------+ > > | 1 GB | 294.8 | 300.87 | > > | 4 GB | 293.51 | 179.35 | > > | 8 GB | 294.85 | 162.52 | > > | 16 GB | 293.45 | 156.26 | > > | 32 GB | 277.4 | 153.25 | > > +----------+--------+---------+ > > Hi Daejun, > > What are the units of the numbers in columns 2 and 3? > > Thanks, > > Bart. > I forgot to add units, it is MB/s. Thanks Daejun
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