[RTEMS Project] #3308: memcpy() lowering performance

RTEMS trac trac at rtems.org
Mon Feb 19 10:06:17 UTC 2018


#3308: memcpy() lowering performance
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  Reporter:  Alok     |      Owner:  (none)
      Type:  project  |     Status:  new
  Priority:  high     |  Milestone:
 Component:  admin    |    Version:
  Severity:  normal   |   Keywords:
Blocked By:           |   Blocking:
----------------------+--------------------
 data copying from driver space to user space using memcpy() routine on the
 device is affecting the overall performance. Core is SPARC. Not sure if it
 is using single byte copy or any other overhead associated with it...! Can
 you please provide me some pointers/inputs on this?
 Thanks.

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Ticket URL: <http://devel.rtems.org/ticket/3308>
RTEMS Project <http://www.rtems.org/>
RTEMS Project


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