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oai
openairinterface5G
Commits
9d9aadd4
Commit
9d9aadd4
authored
Oct 09, 2018
by
knopp
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more SIMD modifications
parent
22dae457
Changes
1
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1 changed file
with
13 additions
and
2 deletions
+13
-2
openair1/PHY/CODING/nrPolar_tools/nr_polar_decoding_tools.c
openair1/PHY/CODING/nrPolar_tools/nr_polar_decoding_tools.c
+13
-2
No files found.
openair1/PHY/CODING/nrPolar_tools/nr_polar_decoding_tools.c
View file @
9d9aadd4
...
...
@@ -474,6 +474,11 @@ void applyGtoright(t_nrPolar_params *pp,decoder_node_t *node) {
}
}
int16_t
minus1
[
16
]
=
{
-
1
,
-
1
,
-
1
,
-
1
,
-
1
,
-
1
,
-
1
,
-
1
,
-
1
,
-
1
,
-
1
,
-
1
,
-
1
,
-
1
,
-
1
,
-
1
};
void
computeBeta
(
t_nrPolar_params
*
pp
,
decoder_node_t
*
node
)
{
int16_t
*
betav
=
node
->
beta
;
...
...
@@ -483,7 +488,7 @@ void computeBeta(t_nrPolar_params *pp,decoder_node_t *node) {
printf
(
"Computing beta @ level %d first_leaf_index %d (all_frozen %d)
\n
"
,
node
->
level
,
node
->
first_leaf_index
,
node
->
left
->
all_frozen
);
#endif
if
(
node
->
left
->
all_frozen
==
0
)
{
// if left node is not aggregation of frozen bits
/*
#if defined(__AVX2__)
#if defined(__AVX2__)
int
avx2mod
=
(
node
->
Nv
/
2
)
&
15
;
if
(
avx2mod
==
0
)
{
int
avx2len
=
node
->
Nv
/
2
/
16
;
...
...
@@ -491,18 +496,24 @@ void computeBeta(t_nrPolar_params *pp,decoder_node_t *node) {
for
(
int
i
=
0
;
i
<
avx2len
;
i
++
)
{
((
__m256i
*
)
betav
)[
i
]
=
_mm256_sign_epi16
(((
__m256i
*
)
betar
)[
i
],
((
__m256i
*
)
betal
)[
i
]);
((
__m256i
*
)
betav
)[
i
]
=
_mm256_sign_epi16
(((
__m256i
*
)
betav
)[
i
],
((
__m256i
*
)
minus1
)[
0
]);
}
}
else
if
(
avx2mod
==
8
)
{
((
__m128i
*
)
betav
)[
0
]
=
_mm_sign_epi16
(((
__m128i
*
)
betar
)[
0
],
((
__m128i
*
)
betal
)[
0
]);
((
__m128i
*
)
betav
)[
0
]
=
_mm_sign_epi16
(((
__m128i
*
)
betav
)[
0
],
((
__m128i
*
)
minus1
)[
0
]);
}
else
if
(
avx2mod
==
4
)
{
((
__m64
*
)
betav
)[
0
]
=
_mm_sign_pi16
(((
__m64
*
)
betar
)[
0
],
((
__m64
*
)
betal
)[
0
]);
((
__m64
*
)
betav
)[
0
]
=
_mm_sign_pi16
(((
__m64
*
)
betav
)[
0
],
((
__m64
*
)
minus1
)[
0
]);
}
else
#endif*/
#endif
{
for
(
int
i
=
0
;
i
<
node
->
Nv
/
2
;
i
++
)
{
betav
[
i
]
=
(
betal
[
i
]
!=
betar
[
i
])
?
1
:
-
1
;
...
...
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