Switched to the latest version of Eigen that performs much better on …

…machines with many cpu cores For example, the wall time for the following tutorial went down from 13m35 to 5m27: bazel run -c opt --copt=-mavx tensorflow/examples/tutorials/word2vec/word2vec_basic Change: 122462177
tensorflow · May 17, 2016 · ab02c5a · ab02c5a
1 parent 8991c7e
commit ab02c5a
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Showing 9 changed files with 11 additions and 11 deletions.
diff --git a/eigen.BUILD b/eigen.BUILD
@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-archive_dir = "eigen-eigen-aaa010b0dd40"
+archive_dir = "eigen-eigen-a5e9085a94e8"
 
 cc_library(
     name = "eigen",

diff --git a/tensorflow/contrib/cmake/external/eigen.cmake b/tensorflow/contrib/cmake/external/eigen.cmake
@@ -7,7 +7,7 @@
 
 include (ExternalProject)
 
-set(eigen_archive_hash "aaa010b0dd40")
+set(eigen_archive_hash "a5e9085a94e8")
 
 set(eigen_INCLUDE_DIRS
     ${CMAKE_CURRENT_BINARY_DIR}
@@ -16,7 +16,7 @@ set(eigen_INCLUDE_DIRS
     ${tensorflow_source_dir}/third_party/eigen3
 )
 set(eigen_URL https://bitbucket.org/eigen/eigen/get/${eigen_archive_hash}.tar.gz)
-set(eigen_HASH SHA256=948cccc08e3ce922e890fe39916b087d6651297cd7422a04524dbf44e372ed9a)
+set(eigen_HASH SHA256=967126237829c7c87abb6cd0e13a5a235b0377d51575522c390b9486aed13e71)
 set(eigen_BUILD ${CMAKE_CURRENT_BINARY_DIR}/eigen/src/eigen)
 set(eigen_INSTALL ${CMAKE_CURRENT_BINARY_DIR}/eigen/install)
 

diff --git a/tensorflow/workspace.bzl b/tensorflow/workspace.bzl
@@ -13,8 +13,8 @@ def tf_workspace(path_prefix = "", tf_repo_name = ""):
 
   native.new_http_archive(
     name = "eigen_archive",
-    url = "https://bitbucket.org/eigen/eigen/get/aaa010b0dd40.tar.gz",
-    sha256 = "948cccc08e3ce922e890fe39916b087d6651297cd7422a04524dbf44e372ed9a",
+    url = "https://bitbucket.org/eigen/eigen/get/a5e9085a94e8.tar.gz",
+    sha256 = "967126237829c7c87abb6cd0e13a5a235b0377d51575522c390b9486aed13e71",
     build_file = path_prefix + "eigen.BUILD",
   )
 

diff --git a/third_party/eigen3/Eigen/Cholesky b/third_party/eigen3/Eigen/Cholesky
@@ -1 +1 @@
-#include "eigen-eigen-aaa010b0dd40/Eigen/Cholesky"
+#include "eigen-eigen-a5e9085a94e8/Eigen/Cholesky"
diff --git a/third_party/eigen3/Eigen/Core b/third_party/eigen3/Eigen/Core
@@ -1 +1 @@
-#include "eigen-eigen-aaa010b0dd40/Eigen/Core"
+#include "eigen-eigen-a5e9085a94e8/Eigen/Core"
diff --git a/third_party/eigen3/Eigen/Eigenvalues b/third_party/eigen3/Eigen/Eigenvalues
@@ -1 +1 @@
-#include "eigen-eigen-aaa010b0dd40/Eigen/Eigenvalues"
+#include "eigen-eigen-a5e9085a94e8/Eigen/Eigenvalues"
diff --git a/third_party/eigen3/Eigen/LU b/third_party/eigen3/Eigen/LU
@@ -1 +1 @@
-#include "eigen-eigen-aaa010b0dd40/Eigen/LU"
+#include "eigen-eigen-a5e9085a94e8/Eigen/LU"
diff --git a/third_party/eigen3/Eigen/QR b/third_party/eigen3/Eigen/QR
@@ -1 +1 @@
-#include "eigen-eigen-aaa010b0dd40/Eigen/QR"
+#include "eigen-eigen-a5e9085a94e8/Eigen/QR"
diff --git a/third_party/eigen3/unsupported/Eigen/CXX11/Tensor b/third_party/eigen3/unsupported/Eigen/CXX11/Tensor
@@ -1 +1 @@
-#include "eigen-eigen-aaa010b0dd40/unsupported/Eigen/CXX11/Tensor"
+#include "eigen-eigen-a5e9085a94e8/unsupported/Eigen/CXX11/Tensor"