This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[PATCH 0/3] sincos performance improvements


Hi,

I've redone the patches to consolidate sincos code in a manner that does
not duplicate logic in multiple places.  The total improvement due to
these patches remains at 15% on aarch64.

Siddhesh

Siddhesh Poyarekar (3):
  Consolidate range reduction in sincos for x > 281474976710656
  Consolidate sin and cos code for 105414350 <|x|< 281474976710656
  Consolidate sincos computation for 2.426265 < |x| < 105414350

 sysdeps/ieee754/dbl-64/s_sin.c    | 637 +++++++++++++-------------------------
 sysdeps/ieee754/dbl-64/s_sincos.c |  75 ++++-
 2 files changed, 291 insertions(+), 421 deletions(-)

-- 
2.5.0


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]