Gael Guennebaud
74637fa4e3
Optimize predux<Packet8f> (AVX)
2016-11-22 21:57:52 +01:00
Gael Guennebaud
7dd894e40e
Optimize predux<Packet4d> (AVX)
2016-11-22 21:41:30 +01:00
Benoit Steiner
c80587c92b
Merged eigen/eigen into default
2016-11-03 03:55:11 -07:00
Gael Guennebaud
598de8b193
Add pinsertfirst function and implement pinsertlast for complex on SSE/AVX.
2016-11-02 10:38:13 +01:00
Gael Guennebaud
aad72f3c6d
Add missing inline keywords
2016-10-25 20:20:09 +02:00
Gael Guennebaud
13fc18d3a2
Add a pinsertlast function replacing the last entry of a packet by a scalar.
...
(useful to vectorize LinSpaced)
2016-10-25 16:48:49 +02:00
Benoit Steiner
78d2926508
Merged eigen/eigen into default
2016-10-12 13:46:29 -07:00
Rasmus Munk Larsen
47150af1c8
Fix copy-paste error: Must use _mm256_cmp_ps for AVX.
2016-10-12 08:34:39 -07:00
Benoit Steiner
507b661106
Renamed predux_half into predux_downto4
2016-10-06 17:57:04 -07:00
Benoit Steiner
78b569f685
Merged latest updates from trunk
2016-10-05 18:48:55 -07:00
Rasmus Munk Larsen
7f67e6dfdb
Update comment for fast sqrt.
2016-10-04 15:09:11 -07:00
Rasmus Munk Larsen
3ed67cb0bb
Fix a bug in the implementation of Carmack's fast sqrt algorithm in Eigen (enabled by EIGEN_FAST_MATH), which causes the vectorized parts of the computation to return -0.0 instead of NaN for negative arguments.
...
Benchmark speed in Giga-sqrts/s
Intel(R) Xeon(R) CPU E5-1650 v3 @ 3.50GHz
-----------------------------------------
SSE AVX
Fast=1 2.529G 4.380G
Fast=0 1.944G 1.898G
Fast=1 fixed 2.214G 3.739G
This table illustrates the worst case in terms speed impact: It was measured by repeatedly computing the sqrt of an n=4096 float vector that fits in L1 cache. For large vectors the operation becomes memory bound and the differences between the different versions almost negligible.
2016-10-04 14:22:56 -07:00
Gael Guennebaud
471eac5399
bug #1195 : move NumTraits::Div<>::Cost to internal::scalar_div_cost (with some specializations in arch/SSE and arch/AVX)
2016-09-08 08:36:27 +02:00
Gael Guennebaud
35a8e94577
bug #1167 : simplify installation of header files using cmake's install(DIRECTORY ...) command.
2016-08-29 10:59:37 +02:00
Gael Guennebaud
a4c266f827
Factorize the 4 copies of tanh implementations, make numext::tanh consistent with array::tanh, enable fast tanh in fast-math mode only.
2016-08-23 14:23:08 +02:00
Gael Guennebaud
2d5731e40a
bug #1270 : bypass custom asm for pmadd and recent clang version
2016-08-22 15:38:03 +02:00
Benoit Steiner
d6e596174d
Pull latest updates from upstream
2016-04-11 17:20:17 -07:00
Benoit Steiner
8ce46f9d89
Improved implementation of ptanh for SSE and AVX
2016-02-18 13:24:34 -08:00
Benoit Steiner
6d8b1dce06
Avoid implicit cast from double to float.
2016-02-10 18:07:11 -08:00
Benoit Steiner
2d523332b3
Optimized implementation of the hyperbolic tangent function for AVX
2016-02-10 08:48:05 -08:00
Benoit Steiner
85b6d82b49
Generalized predux4 to support AVX512 packets, and renamed it predux_half.
...
Disabled the implementation of pabs for avx512 since the corresponding intrinsics are not shipped with gcc
2016-02-01 14:35:51 -08:00
Benoit Steiner
c1a42c2d0d
Don't disable the AVX implementations of plset when compiling with AVX512 enabled
2016-01-14 17:21:39 -08:00
Gael Guennebaud
d2e288ae50
Workaround compilers that do not even define _mm256_set_m128.
2015-12-24 16:53:43 +01:00
Benoit Steiner
994d1c60b9
Free memory allocated using posix_memalign() with free() instead of std::free()
2015-12-21 11:21:39 -08:00
Benoit Steiner
6d777e1bc7
Fixed a typo.
2015-12-18 19:25:50 -08:00
Gael Guennebaud
3abd8470ca
bug #1140 : remove custom definition and use of _mm256_setr_m128
2015-12-18 14:18:59 +01:00
Gael Guennebaud
90323f1751
Fix AVX round/ceil/floor, and fix respective unit test
2015-11-04 22:15:57 +01:00
Alexandre Avenel
d46e2c10a6
Add round, ceil and floor for SSE4.1/AVX (Bug #70 )
2015-11-01 10:49:27 +01:00
Gael Guennebaud
75861f6650
bug #1069 : fix AVX support on MSVC (use of non portable C-style cast)
2015-09-28 10:08:26 +02:00
Gael Guennebaud
6245591349
Fix prototype of plset and generalize linspace functor.
2015-08-07 19:27:59 +02:00
Gael Guennebaud
e68c7b8368
Include SSE packetmath when AVX is enabled, and enable AVX's sine function only in fast-math mode (as SSE)
2015-08-07 17:40:39 +02:00
Gael Guennebaud
ce57dbd937
Let unpacket_traits<> exposes the required alignment and make use of it everywhere
2015-08-07 10:44:01 +02:00
Gael Guennebaud
9a2447b0c9
Fix shadow warnings triggered by clang
2015-06-09 09:11:12 +02:00
Benoit Steiner
1dded10cb7
Added a double-precision implementation of the exp() function for AVX.
2015-05-04 10:42:51 -07:00
Benoit Steiner
0196141938
Fixed the optimized AVX implementation of the fast rsqrt function
2015-03-02 13:49:39 -08:00
Benoit Steiner
4fd7f47692
Added an optimized version of rsqrt for SSE and AVX that is used when EIGEN_FAST_MATH is defined.
2015-03-02 09:38:47 -08:00
Benoit Steiner
573b377110
Added support for vectorized type casting of tensors
2015-02-27 08:46:04 -08:00
Benoit Steiner
f41b1f1666
Added support for fast reciprocal square root computation.
2015-02-26 09:42:41 -08:00
Gael Guennebaud
98604576d1
Merged in chtz/eigen-indexconversion (pull request PR-92)
...
bug #877 , bug #572 : Get rid of Index conversion warnings, summary of changes:
- Introduce a global typedef Eigen::Index making Eigen::DenseIndex and AnyExpr<>::Index deprecated (default is std::ptrdiff_t).
- Eigen::Index is used throughout the API to represent indices, offsets, and sizes.
- Classes storing an array of indices uses the type StorageIndex to store them. This is a template parameter of the class. Default is int.
- Methods that *explicitly* set or return an element of such an array take or return a StorageIndex type. In all other cases, the Index type is used.
2015-02-16 15:29:00 +01:00
Gael Guennebaud
45cbb0bbb1
The usage of DenseIndex is deprecated, so let's replace DenseIndex by Index
2015-02-16 15:05:41 +01:00
Benoit Steiner
e2cfddf75f
Pulled latest updates from trunk
2015-02-13 16:21:59 -08:00
Benoit Steiner
0927801a84
Optimized version of the sin(), exp(), log() and sqrt() function for AVX
2015-02-13 16:07:08 -08:00
Gael Guennebaud
0918c51e60
merge Tensor module within Eigen/unsupported and update gemv BLAS wrapper
2015-02-12 21:48:41 +01:00
Gael Guennebaud
fe25f3b8e3
FMA has been wrongly disabled
2015-02-10 23:11:35 +01:00
Benoit Steiner
c739102ef9
Pulled the latest changes from the trunk
2015-02-06 05:25:03 -08:00
Benoit Jacob
0f21613698
bug #936 , patch 2/3: Remove EIGEN_VECTORIZE_FMA, was redundant with EIGEN_HAS_SINGLE_INSTRUCTION_MADD
2015-01-30 17:44:26 -05:00
Benoit Jacob
340b8afb14
bug #936 , patch 1.5/3: rename _FUSED_ macros to _SINGLE_INSTRUCTION_,
...
because this is what they are about. "Fused" means "no intermediate rounding
between the mul and the add, only one rounding at the end". Instead,
what we are concerned about here is whether a temporary register is needed,
i.e. whether the MUL and ADD are separate instructions.
Concretely, on ARM NEON, a single-instruction mul-add is always available: VMLA.
But a true fused mul-add is only available on VFPv4: VFMA.
2015-01-31 14:15:57 -05:00
Gael Guennebaud
ee06f78679
Introduce unified macros to identify compiler, OS, and architecture. They are all defined in util/Macros.h and prefixed with EIGEN_COMP_, EIGEN_OS_, and EIGEN_ARCH_ respectively.
2014-11-04 21:58:52 +01:00
Benoit Steiner
10a79ca3a3
Merged latest updates from the Eigen trunk.
2014-09-15 09:18:16 -07:00
Benoit Steiner
16047c8d4a
Pulled in the latest changes from the Eigen trunk
2014-08-13 22:25:29 -07:00
