mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-29 07:42:23 -05:00
a0f39b7d79
* gnu/packages/algebra.scm (eigen): Update to 3.4.0. * gnu/packages/patches/eigen-fix-strict-aliasing-bug.patch: New file. * gnu/packages/patches/eigen-remove-openmp-error-counting.patch, gnu/packages/patches/eigen-stabilise-sparseqr-test.patch: Delete files. * gnu/local.mk (dist_patch_DATA): Update accordingly. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
73 lines
3 KiB
Diff
73 lines
3 KiB
Diff
From f046e326d9e30772725d8fb26dc33328e418d9d3 Mon Sep 17 00:00:00 2001
|
|
From: Antonio Sanchez <cantonios@google.com>
|
|
Date: Fri, 17 Sep 2021 12:49:01 -0700
|
|
Subject: [PATCH] Fix strict aliasing bug causing product_small failure.
|
|
|
|
Packet loading is skipped due to aliasing violation, leading to nullopt matrix
|
|
multiplication.
|
|
|
|
Fixes #2327.
|
|
|
|
|
|
(cherry picked from commit 3c724c44cff3f9e2e9e35351abff0b5c022b320d)
|
|
---
|
|
Eigen/src/Core/arch/AVX/Complex.h | 4 +++-
|
|
Eigen/src/Core/arch/AVX512/Complex.h | 4 +++-
|
|
Eigen/src/Core/arch/SSE/Complex.h | 11 +++--------
|
|
3 files changed, 9 insertions(+), 10 deletions(-)
|
|
|
|
diff --git a/Eigen/src/Core/arch/AVX/Complex.h b/Eigen/src/Core/arch/AVX/Complex.h
|
|
index ab7bd6c65..e9096c0a1 100644
|
|
--- a/Eigen/src/Core/arch/AVX/Complex.h
|
|
+++ b/Eigen/src/Core/arch/AVX/Complex.h
|
|
@@ -99,7 +99,9 @@ template<> EIGEN_STRONG_INLINE Packet4cf ploadu<Packet4cf>(const std::complex<fl
|
|
|
|
template<> EIGEN_STRONG_INLINE Packet4cf pset1<Packet4cf>(const std::complex<float>& from)
|
|
{
|
|
- return Packet4cf(_mm256_castpd_ps(_mm256_broadcast_sd((const double*)(const void*)&from)));
|
|
+ const float re = std::real(from);
|
|
+ const float im = std::imag(from);
|
|
+ return Packet4cf(_mm256_set_ps(im, re, im, re, im, re, im, re));
|
|
}
|
|
|
|
template<> EIGEN_STRONG_INLINE Packet4cf ploaddup<Packet4cf>(const std::complex<float>* from)
|
|
diff --git a/Eigen/src/Core/arch/AVX512/Complex.h b/Eigen/src/Core/arch/AVX512/Complex.h
|
|
index 49c72b3f1..074253859 100644
|
|
--- a/Eigen/src/Core/arch/AVX512/Complex.h
|
|
+++ b/Eigen/src/Core/arch/AVX512/Complex.h
|
|
@@ -97,7 +97,9 @@ template<> EIGEN_STRONG_INLINE Packet8cf ploadu<Packet8cf>(const std::complex<fl
|
|
|
|
template<> EIGEN_STRONG_INLINE Packet8cf pset1<Packet8cf>(const std::complex<float>& from)
|
|
{
|
|
- return Packet8cf(_mm512_castpd_ps(pload1<Packet8d>((const double*)(const void*)&from)));
|
|
+ const float re = std::real(from);
|
|
+ const float im = std::imag(from);
|
|
+ return Packet8cf(_mm512_set_ps(im, re, im, re, im, re, im, re, im, re, im, re, im, re, im, re));
|
|
}
|
|
|
|
template<> EIGEN_STRONG_INLINE Packet8cf ploaddup<Packet8cf>(const std::complex<float>* from)
|
|
diff --git a/Eigen/src/Core/arch/SSE/Complex.h b/Eigen/src/Core/arch/SSE/Complex.h
|
|
index 8fe22da46..215bfd7bb 100644
|
|
--- a/Eigen/src/Core/arch/SSE/Complex.h
|
|
+++ b/Eigen/src/Core/arch/SSE/Complex.h
|
|
@@ -106,14 +106,9 @@ template<> EIGEN_STRONG_INLINE Packet2cf ploadu<Packet2cf>(const std::complex<fl
|
|
|
|
template<> EIGEN_STRONG_INLINE Packet2cf pset1<Packet2cf>(const std::complex<float>& from)
|
|
{
|
|
- Packet2cf res;
|
|
-#ifdef EIGEN_VECTORIZE_SSE3
|
|
- res.v = _mm_castpd_ps(_mm_loaddup_pd(reinterpret_cast<double const*>(&from)));
|
|
-#else
|
|
- res.v = _mm_castpd_ps(_mm_load_sd(reinterpret_cast<double const*>(&from)));
|
|
- res.v = _mm_movelh_ps(res.v, res.v);
|
|
-#endif
|
|
- return res;
|
|
+ const float re = std::real(from);
|
|
+ const float im = std::imag(from);
|
|
+ return Packet2cf(_mm_set_ps(im, re, im, re));
|
|
}
|
|
|
|
template<> EIGEN_STRONG_INLINE Packet2cf ploaddup<Packet2cf>(const std::complex<float>* from) { return pset1<Packet2cf>(*from); }
|
|
--
|
|
2.37.0
|
|
|