I could see below results in my test setup. fio_sqrd_bs512_qd.txt: read: IOPS=1000k, BW=488MiB/s (512MB/s)(28.7GiB/60123msec) fio_sqrd_bs64k_qd.txt: read: IOPS=37.0k, BW=2377MiB/s (2493MB/s)(139GiB/60000msec) fio_sqw_bs256k_qd.txt: write: IOPS=4310, BW=1102MiB/s (1156MB/s)(66.2GiB/61531msec); 0 zone resets fio_sqw_bs4k_qd.txt: write: IOPS=216k, BW=846MiB/s (888MB/s)(47.3GiB/57189msec); 0 zone resets With patches: fio_sqrd_bs512_qd.txt: read: IOPS=1539k, BW=752MiB/s (789MB/s)(44.2GiB/60174msec) => +53.9% fio_sqrd_bs64k_qd.txt: read: IOPS=30.9k, BW=1946MiB/s (2041MB/s)(114GiB/60000msec) fio_sqw_bs256k_qd.txt: write: IOPS=4309, BW=1102MiB/s (1155MB/s)(66.3GiB/61602msec); 0 zone resets fio_sqw_bs4k_qd.txt: write: IOPS=300k, BW=1174MiB/s (1231MB/s)(68.0GiB/59355msec); 0 zone resets => +38% Regards, Viswas G > -----Original Message----- > From: Jinpu Wang <jinpu.wang@xxxxxxxxxxxxxxx> > Sent: Friday, September 25, 2020 11:43 AM > To: Viswas G <Viswas.G@xxxxxxxxxxxxxxxxx> > Cc: Linux SCSI Mailinglist <linux-scsi@xxxxxxxxxxxxxxx>; Vasanthalakshmi > Tharmarajan - I30664 <Vasanthalakshmi.Tharmarajan@xxxxxxxxxxxxx>; > Viswas G - I30667 <Viswas.G@xxxxxxxxxxxxx>; Ruksar Devadi - I52327 > <Ruksar.devadi@xxxxxxxxxxxxx> > Subject: Re: [PATCH 0/4] pm80xx updates > > EXTERNAL EMAIL: Do not click links or open attachments unless you know > the content is safe > > Hi Viswas, > On Fri, Sep 25, 2020 at 8:06 AM Viswas G <Viswas.G@xxxxxxxxxxxxxxxxx> > wrote: > > > > From: Viswas G <Viswas.G@xxxxxxxxxxxxx> > > > > This patch set includes some enhancements in pm80xx driver. > Thanks for the patches. the first and 3rd one, seems to be performance > improvement, can you share your performance number? > > > > > > Viswas G (4): > > pm80xx : Increase number of supported queues. > > pm80xx : Remove DMA memory allocation for ccb and device structures. > > pm80xx : Increase the number of outstanding IO supported to 1024. > > pm80xx : Driver version update > Thanks > > > > drivers/scsi/pm8001/pm8001_ctl.c | 6 +- > > drivers/scsi/pm8001/pm8001_defs.h | 27 +++-- > > drivers/scsi/pm8001/pm8001_hwi.c | 38 +++---- > > drivers/scsi/pm8001/pm8001_init.c | 220 > > ++++++++++++++++++++++++++------------ > > drivers/scsi/pm8001/pm8001_sas.h | 15 ++- > > drivers/scsi/pm8001/pm80xx_hwi.c | 109 ++++++++++--------- > > 6 files changed, 253 insertions(+), 162 deletions(-) > > > > -- > > 2.16.3 > >