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

[RTEMS trac]

#3308: memcpy() lowering performance
-+-
 Reporter:  Alok |   Owner:  (none)
 Type:  project  |  Status:  new
 Priority:  high |   Milestone:
Component:  arch/sparc   | Version:  4.11
 Severity:  normal   |  Resolution:
 Keywords:  SoC, POSIX-Compliance, performance,  |  Blocked By:
  newlib |
 Blocking:   |
-+-
Changes (by Joel Sherrill):

 * keywords:  SoC, performance, newlib => SoC, POSIX-Compliance,
 performance, newlib


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

[RTEMS trac]

#3308: memcpy() lowering performance
--+-
 Reporter:  Alok  |   Owner:  (none)
 Type:  project   |  Status:  new
 Priority:  high  |   Milestone:
Component:  arch/sparc| Version:  4.11
 Severity:  normal|  Resolution:
 Keywords:  SoC, performance, newlib  |  Blocked By:
 Blocking:|
--+-
Changes (by Joel Sherrill):

 * keywords:   => SoC, performance, newlib
 * component:  admin => arch/sparc


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

[RTEMS trac]

#3308: memcpy() lowering performance
-+-
 Reporter:  Alok |   Owner:  (none)
 Type:  project  |  Status:  new
 Priority:  high |   Milestone:
Component:  admin| Version:  4.11
 Severity:  normal   |  Resolution:
 Keywords:   |  Blocked By:
 Blocking:   |
-+-

Comment (by Joel Sherrill):

 RTEMS uses Newlib for a C Library. This method is provided by Newlib. The
 SPARC does not have are architecture specific implementation. If you can
 find one that is appropriately licensed, it can be added.

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

[RTEMS trac]

#3308: memcpy() lowering performance
-+-
 Reporter:  Alok |   Owner:  (none)
 Type:  project  |  Status:  new
 Priority:  high |   Milestone:
Component:  admin| Version:  4.11
 Severity:  normal   |  Resolution:
 Keywords:   |  Blocked By:
 Blocking:   |
-+-
Changes (by Alok):

 * version:   => 4.11


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

[RTEMS trac]

#3308: memcpy() lowering performance
--+
  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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