topic How to increase eMMC throutput ? in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/How-to-increase-eMMC-throutput/m-p/715203#M111146 <HTML><HEAD></HEAD><BODY><P>Customer request increase eMMC throutput performance base on Linux dd command base on i.MX6DL / MX6Q CPU.</P><P></P><P>We already make sure eMMC already run 8 bit , 52MHz DDR mode.</P><P></P><P>We test performance base on "&nbsp;dd if=/dev/mmcblk3 of=/dev/null bs=1M" to get performance is about 42MBytes. (4.1.15_1.2.0 BSP version)</P><P></P><P>root@imx6qsabresd:~# dd if=/dev/mmcblk3 of=/dev/null bs=1M<BR />7576+0 records in<BR />7576+0 records out<BR />7944011776 bytes (7.9 GB, 7.4 GiB) copied, 188.931 s, 42.0 MB/s</P><P></P><P></P><P>Customer request up to 400Mbit/s base on Linux "<SPAN>dd if=/dev/mmcblk3 of=/dev/null bs=1M" command.</SPAN></P><P><SPAN>Does any patch code or other way can meet customer request ?</SPAN></P><P></P></BODY></HTML> Thu, 28 Sep 2017 07:56:40 GMT Danube 2017-09-28T07:56:40Z How to increase eMMC throutput ? https://community.nxp.com/t5/i-MX-Processors/How-to-increase-eMMC-throutput/m-p/715203#M111146 <HTML><HEAD></HEAD><BODY><P>Customer request increase eMMC throutput performance base on Linux dd command base on i.MX6DL / MX6Q CPU.</P><P></P><P>We already make sure eMMC already run 8 bit , 52MHz DDR mode.</P><P></P><P>We test performance base on "&nbsp;dd if=/dev/mmcblk3 of=/dev/null bs=1M" to get performance is about 42MBytes. (4.1.15_1.2.0 BSP version)</P><P></P><P>root@imx6qsabresd:~# dd if=/dev/mmcblk3 of=/dev/null bs=1M<BR />7576+0 records in<BR />7576+0 records out<BR />7944011776 bytes (7.9 GB, 7.4 GiB) copied, 188.931 s, 42.0 MB/s</P><P></P><P></P><P>Customer request up to 400Mbit/s base on Linux "<SPAN>dd if=/dev/mmcblk3 of=/dev/null bs=1M" command.</SPAN></P><P><SPAN>Does any patch code or other way can meet customer request ?</SPAN></P><P></P></BODY></HTML> Thu, 28 Sep 2017 07:56:40 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-increase-eMMC-throutput/m-p/715203#M111146 Danube 2017-09-28T07:56:40Z Re: How to increase eMMC throutput ? https://community.nxp.com/t5/i-MX-Processors/How-to-increase-eMMC-throutput/m-p/715204#M111147 <HTML><HEAD></HEAD><BODY><P>what emmc do you use? emmc 4.4.1? let me check if the performance is available or not.</P></BODY></HTML> Fri, 29 Sep 2017 07:33:54 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-increase-eMMC-throutput/m-p/715204#M111147 joanxie 2017-09-29T07:33:54Z