29 May
2017
29 May
'17
11:28 p.m.
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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/libosmocore/commit/?id=0d49f47aeb5a38273c4a356dc478…
commit 0d49f47aeb5a38273c4a356dc4780e3819747d60
Author: Vadim Yanitskiy <axilirator(a)gmail.com>
Date: Sun May 28 18:20:02 2017 +0700
core/conv: do not mix up AVX and SSE code
According to GCC's wiki:
If you specify command-line switches such as -msse, the compiler
could use the extended instruction sets even if the built-ins are
not used explicitly in the program. For this reason, applications
that perform run-time CPU detection must compile separate files
for each supported architecture, using the appropriate flags. In
particular, the file containing the CPU detection code should be
compiled without these options.
So, this change introduces a separate Viterbi implementation,
which is almost the same as previous one, but is being compiled
with -mavx2. This implementation will be only used by CPUs with
both SSE and AVX support:
SSE3 and AVX2: viterbi_sse_avx.c
SSE3 only: viterbi_sse.c
Generic: viterbi_generic.c
Change-Id: I042cc76258df7e4c6c90a73af3d0a6e75999b2b0
http://cgit.osmocom.org/libosmocore/commit/?id=b51d51b29c647584d95cc62dbe88…
commit b51d51b29c647584d95cc62dbe88f869ba5bf5d5
Author: Vadim Yanitskiy <axilirator(a)gmail.com>
Date: Mon May 29 20:15:34 2017 +0700
core/conv: rename viterbi_gen.c to viterbi_generic.c
Let's avoid confusion with generated files which have
ending with _gen.* as well.
Change-Id: I3ecd8f9e73c05236f2cdc186f58b3d0ba552283f
-----------------------------------------------------------------------
Summary of changes:
include/osmocom/core/socket.h | 4 +
src/Makefile.am | 21 +-
src/socket.c | 23 ++
src/viterbi.c | 154 +++++++++-
src/{viterbi_gen.c => viterbi_generic.c} | 14 +
src/viterbi_sse.c | 129 ++++++++
src/viterbi_sse_avx.c | 129 ++++++++
src/viterbi_sse_common.h | 495 +++++++++++++++++++++++++++++++
8 files changed, 952 insertions(+), 17 deletions(-)
rename src/{viterbi_gen.c => viterbi_generic.c} (94%)
create mode 100644 src/viterbi_sse.c
create mode 100644 src/viterbi_sse_avx.c
create mode 100644 src/viterbi_sse_common.h
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An utility library for Open Source Mobile Communications