diff --git a/internal/ceres/generate_eliminator_specialization.py b/internal/ceres/generate_eliminator_specialization.py
new file mode 100644
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+++ b/internal/ceres/generate_eliminator_specialization.py
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+// Ceres Solver - A fast non-linear least squares minimizer
+// Copyright 2010, 2011, 2012 Google Inc. All rights reserved.
+// http://code.google.com/p/ceres-solver/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// * Redistributions of source code must retain the above copyright notice,
+//   this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright notice,
+//   this list of conditions and the following disclaimer in the documentation
+//   and/or other materials provided with the distribution.
+// * Neither the name of Google Inc. nor the names of its contributors may be
+//   used to endorse or promote products derived from this software without
+//   specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+//
+#
+# Copyright 2011 Google Inc. All Rights Reserved.
+# Author: sameeragarwal@google.com (Sameer Agarwal)
+#
+# Script for explicitly generating template specialization of the
+# SchurEliminator class. It is a rather large class
+# and the number of explicit instantiations is also large. Explicitly
+# generating these instantiations in separate .cc files breaks the
+# compilation into separate compilation unit rather than one large cc
+# file which takes 2+GB of RAM to compile.
+#
+# This script creates two sets of files.
+#
+# 1. schur_eliminator_x_x_x.cc
+# where, the x indicates the template parameters and
+#
+# 2. schur_eliminator.cc
+#
+# that contains a factory function for instantiating these classes
+# based on runtime parameters.
+#
+# The list of tuples, specializations indicates the set of
+# specializations that is generated.
+
+# Set of template specializations to generate
+SPECIALIZATIONS = [(2, 2, 2),
+                   (2, 2, 3),
+                   (2, 2, 4),
+                   (2, 2, "Dynamic"),
+                   (2, 3, 3),
+                   (2, 3, 4),
+                   (2, 3, 9),
+                   (2, 3, "Dynamic"),
+                   (2, 4, 3),
+                   (2, 4, 4),
+                   (2, 4, "Dynamic"),
+                   (4, 4, 2),
+                   (4, 4, 3),
+                   (4, 4, 4),
+                   (4, 4, "Dynamic"),
+                   ("Dynamic", "Dynamic", "Dynamic")]
+
+SPECIALIZATION_FILE = """// Copyright 2011 Google Inc. All Rights Reserved.
+// Author: sameeragarwal@google.com (Sameer Agarwal)
+//
+// Template specialization of SchurEliminator.
+//
+// ========================================
+// THIS FILE IS AUTOGENERATED. DO NOT EDIT.
+// THIS FILE IS AUTOGENERATED. DO NOT EDIT.
+// THIS FILE IS AUTOGENERATED. DO NOT EDIT.
+// THIS FILE IS AUTOGENERATED. DO NOT EDIT.
+//=========================================
+//
+// This file is generated using generate_eliminator_specializations.py.
+// Editing it manually is not recommended.
+
+#include "ceres/schur_eliminator_impl.h"
+#include "ceres/internal/eigen.h"
+
+namespace ceres {
+namespace internal {
+
+template class SchurEliminator<%s, %s, %s>;
+
+}  // namespace internal
+}  // namespace ceres
+
+"""
+
+FACTORY_FILE_HEADER = """// Copyright 2011 Google Inc. All Rights Reserved.
+// Author: sameeragarwal@google.com (Sameer Agarwal)
+//
+// ========================================
+// THIS FILE IS AUTOGENERATED. DO NOT EDIT.
+// THIS FILE IS AUTOGENERATED. DO NOT EDIT.
+// THIS FILE IS AUTOGENERATED. DO NOT EDIT.
+// THIS FILE IS AUTOGENERATED. DO NOT EDIT.
+//=========================================
+//
+// This file is generated using generate_template_specializations.py.
+// Editing it manually is not recommended.
+
+#include "ceres/linear_solver.h"
+#include "ceres/schur_eliminator.h"
+#include "ceres/internal/eigen.h"
+
+namespace ceres {
+namespace internal {
+
+SchurEliminatorBase*
+SchurEliminatorBase::Create(const LinearSolver::Options& options) {
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+"""
+
+FACTORY_CONDITIONAL = """  if ((options.row_block_size == %s) &&
+      (options.e_block_size == %s) &&
+      (options.f_block_size == %s)) {
+    return new SchurEliminator<%s, %s, %s>(options);
+  }
+"""
+
+FACTORY_FOOTER = """
+#endif
+  VLOG(1) << "Template specializations not found for <"
+          << options.row_block_size << ","
+          << options.e_block_size << ","
+          << options.f_block_size << ">";
+  return new SchurEliminator<Dynamic, Dynamic, Dynamic>(options);
+}
+
+}  // namespace internal
+}  // namespace ceres
+"""
+
+
+def SuffixForSize(size):
+  if size == "Dynamic":
+    return "d"
+  return str(size)
+
+
+def SpecializationFilename(prefix, row_block_size, e_block_size, f_block_size):
+  return "_".join([prefix] + map(SuffixForSize, (row_block_size,
+                                                 e_block_size,
+                                                 f_block_size)))
+
+
+def Specialize():
+  """
+  Generate specialization code and the conditionals to instantiate it.
+  """
+  f = open("schur_eliminator.cc", "w")
+  f.write(FACTORY_FILE_HEADER)
+
+  for row_block_size, e_block_size, f_block_size in SPECIALIZATIONS:
+    output = SpecializationFilename("generated/schur_eliminator",
+                                    row_block_size,
+                                    e_block_size,
+                                    f_block_size) + ".cc"
+    fptr = open(output, "w")
+    fptr.write(SPECIALIZATION_FILE % (row_block_size,
+                                      e_block_size,
+                                      f_block_size))
+    fptr.close()
+
+    f.write(FACTORY_CONDITIONAL % (row_block_size,
+                                   e_block_size,
+                                   f_block_size,
+                                   row_block_size,
+                                   e_block_size,
+                                   f_block_size))
+  f.write(FACTORY_FOOTER)
+  f.close()
+
+
+if __name__ == "__main__":
+  Specialize()