Load hg-to-git hash maps from ./eigen_git/.git/ #3.0.1 #3.1.1 #3.2.0 3.2.4 #574a7621809fe 58964a85800bd # introduce AVX #589cbd7e98174 # merge 589db7d49efbb # introduce FMA #590a078f442a3 # complex and AVX 590a419cea4a0 # improve packing with ptranspose #59251e85c936d # merge #592e497a27ddc 593d5a795f673 # New gebp kernel: up to 3 packets x 4 register-level blocks #5942c3c95990d # merge #596c9788d55b9 # Disable 3pX4 kernel on Altivec #5999aa3dc4e21 # merge 6209452eb38f8 # before-evaluators #6333eba5e1101 # Implement evaluator for sparse outer products #663b9d314ae19 #6655ef95fabee # Properly detect FMA support on ARM #667fe25f3b8e3 # FMA has been wrongly disabled #668409547a0c8 #6694304c73542 # merge default to tensors #67216047c8d4a # merge default to tensors #67410a79ca3a3 # merge default to tensors #674b7271dffb5 # Generalized the gebp apis 676bfdd9f3ac9 # Made the blocking computation aware of the l3 cache;
Also optimized the blocking parameters to take
into account the number of threads used for a computation. 6782dde63499c # generalized gemv 6799f98650d0a # ensured that contractions that can be reduced to a matrix vector product #6840918c51e60 # merge tensor 684e972b55ec4 # change prefetching in gebp #68598604576d1 # merge index conversion 68963eb0f6fe6 # clean blocking size computation 689db05f2d01e # rotating kernel for ARM only #6901b7e12847d # result_of 69226275b250a # fix prefetching change for ARM 692692136350b # prefetching 693a8ad8887bf # blocking size strategy 693bcf9bb5c1f # avoid redundant pack_rhs 6987550107028 # dynamic loop swapping 69858740ce4c6 # rm dynamic loop swapping,
adjust lhs's micro panel height to fully exploit L1 cache 698cd3bbffa73 # blocking heuristic:
block on the rhs in L1 if the lhs fit in L1. 701488c15615a # organize a little our default cache sizes,
and use a saner default L1 outside of x86 (10% faster on Nexus 5) 701e56aabf205 # Refactor computeProductBlockingSizes to make room
for the possibility of using lookup tables 701ca5c12587b # Polish lookup tables generation 7013589a9c115 # actual_panel_rows computation should always be resilient
to parameters not consistent with the known L1 cache size, see comment 70102babb9c0f # Provide a empirical lookup table for blocking sizes measured on a Nexus 5.
Only for float, only for Android on ARM 32bit for now. 7088481dc21ea # Bug 986: add support for coefficient-based
product with 0 depth. 709d7f51feb07 # Bug 992: don't select a 3p GEMM path with non-SIMD scalar types. 759f9303cc7c5 # 3.3-alpha1 765aba1eda71e # help clang inlining 770fe630c9873 # Improve numerical accuracy in LLT and triangular solve
by using true scalar divisions (instead of x * (1/y)) #8741d23430628 # Improved the matrix multiplication blocking in the case
where mr is not a power of 2 (e.g on Haswell CPUs) 878f629fe95c8 # Made the index type a template parameter to evaluateProductBlockingSizes.
Use numext::mini and numext::maxi instead of
std::min/std::max to compute blocking sizes. 8975d51a7f12c # Don't optimize the processing of the last rows of
a matrix matrix product in cases that violate
the assumptions made by the optimized code path. 8986136f4fdd4 # Remove the rotating kernel. 898e68e165a23 # Bug 256: enable vectorization with unaligned loads/stores. 91466e99ab6a1 # Relax mixing-type constraints for binary coeff-wise operators 91776236cdea4 # merge 917101ea26f5e # Include the cost of stores in unrolling 921672076db5d # Fix perf regression introduced in changeset e56aabf205 9210fa9e4a15c # Fix perf regression in dgemm introduced by changeset 5d51a7f12c 936f6b3cf8de9 # 3.3-beta2 944504a4404f1 # Optimize expression matching 'd?=a-b*c' as 'd?=a; d?=b*c;' 95877e27fbeee # 3.3-rc1 959779774f98c # Bug 1311: fix alignment logic in some cases
of (scalar*small).lazyProduct(small) 9729f9d8d2f62 # Disabled part of the matrix matrix peeling code
that's incompatible with 512 bit registers 979eeac81b8c0 # 3.3.0 989c927af60ed # Fix a performance regression in (mat*mat)*vec
for which mat*mat was evaluated multiple times. 994fe696022ec # Operators += and -= do not resize! 99466f65ccc36 # Ease compiler generating clean and efficient code in mat*vec 9946a5fe86098 # Complete rewrite of column-major-matrix * vector product
to deliver higher performance of modern CPU. 99591003f3b86 # Improve performance of row-major-dense-matrix * vector products
for recent CPUs. 997eb621413c1 # Revert vec/y to vec*(1/y) in row-major TRSM 10444bbc320468 # Bug 1435: fix aliasing issue in exressions like: A = C - B*A; 1073624df50945 # Adds missing EIGEN_STRONG_INLINE to support MSVC
properly inlining small vector calculations 1094d428a199ab # Bug 1562: optimize evaluation of small products
of the form s*A*B by rewriting them as: s*(A.lazyProduct(B))
to save a costly temporary.
Measured speedup from 2x to 5x. 1096de9e31a06d # Introduce the macro ei_declare_local_nested_eval to
help allocating on the stack local temporaries via alloca,
and let outer-products makes a good use of it. 11087b91c11207 # Bug 1578: Improve prefetching in matrix multiplication on MIPS. 1153aa110e681b # PR 526: Speed up multiplication of small, dynamically sized matrices 11544ad359237a # Vectorize row-by-row gebp loop iterations on 16 packets as well 1157a476054879 # Bug 1624: improve matrix-matrix product on ARM 64, 20% speedup 1160a4159dba08 # do not read buffers out of bounds 1163c53eececb0 # Implement AVX512 vectorization of std::complex 11644e7746fe22 # Bug 1636: fix gemm performance issue with gcc>=6 and no FMA 1164956678a4ef # Bug 1515: disable gebp's 3pX4 micro kernel
for MSVC<=19.14 because of register spilling. 1165426bce7529 # fix EIGEN_GEBP_2PX4_SPILLING_WORKAROUND
for non vectorized type, and non x86/64 target 11660d90637838 # enable spilling workaround on architectures with SSE/AVX 1166f159cf3d75 # Artificially increase l1-blocking size for AVX512.
+10% speedup with current kernels. 11686dd93f7e3b # Make code compile again for older compilers. 1175dbfcceabf5 # Bug: 1633: refactor gebp kernel and optimize for neon 117670e133333d # Bug 1661: fix regression in GEBP and AVX512 11760f028f61cb # GEBP: cleanup logic to choose between
a 4 packets of 1 packet (=e118ce86fd+fix) 1180de77bf5d6c # gebp: Add new ½ and ¼ packet rows per (peeling) round on the lhs