diff --git a/internal/ceres/generate_partitioned_matrix_view_specializations.py b/internal/ceres/generate_partitioned_matrix_view_specializations.py
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+# Ceres Solver - A fast non-linear least squares minimizer
+# Copyright 2013 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.
+#
+# Author: sameeragarwal@google.com (Sameer Agarwal)
+#
+# Script for explicitly generating template specialization of the
+# PartitionedMatrixView class. Explicitly generating these
+# instantiations in separate .cc files breaks the compilation into
+# separate compilation unit rather than one large cc file.
+#
+# This script creates two sets of files.
+#
+# 1. partitioned_matrix_view_x_x_x.cc
+# where, the x indicates the template parameters and
+#
+# 2. partitioned_matrix_view.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, "Eigen::Dynamic"),
+                   (2, 3, 3),
+                   (2, 3, 4),
+                   (2, 3, 9),
+                   (2, 3, "Eigen::Dynamic"),
+                   (2, 4, 3),
+                   (2, 4, 4),
+                   (2, 4, "Eigen::Dynamic"),
+                   (2, "Eigen::Dynamic", "Eigen::Dynamic"),
+                   (4, 4, 2),
+                   (4, 4, 3),
+                   (4, 4, 4),
+                   (4, 4, "Eigen::Dynamic"),
+                   ("Eigen::Dynamic", "Eigen::Dynamic", "Eigen::Dynamic")]
+HEADER = """// Ceres Solver - A fast non-linear least squares minimizer
+// Copyright 2013 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.
+//
+// Author: sameeragarwal@google.com (Sameer Agarwal)
+//
+// Template specialization of PartitionedMatrixView.
+//
+// ========================================
+// 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_specialization.py.
+// Editing it manually is not recommended.
+"""
+
+DYNAMIC_FILE = """
+
+#include "ceres/partitioned_matrix_view_impl.h"
+#include "ceres/internal/eigen.h"
+
+namespace ceres {
+namespace internal {
+
+template class PartitionedMatrixView<%s, %s, %s>;
+
+}  // namespace internal
+}  // namespace ceres
+"""
+
+SPECIALIZATION_FILE = """
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
+#include "ceres/partitioned_matrix_view_impl.h"
+#include "ceres/internal/eigen.h"
+
+namespace ceres {
+namespace internal {
+
+template class PartitionedMatrixView<%s, %s, %s>;
+
+}  // namespace internal
+}  // namespace ceres
+
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
+"""
+
+FACTORY_FILE_HEADER = """
+#include "ceres/linear_solver.h"
+#include "ceres/partitioned_matrix_view.h"
+#include "ceres/internal/eigen.h"
+
+namespace ceres {
+namespace internal {
+
+PartitionedMatrixViewBase*
+PartitionedMatrixViewBase::Create(const LinearSolver::Options& options,
+                                  const BlockSparseMatrix& matrix) {
+#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 PartitionedMatrixView<%s, %s, %s>(
+                 matrix, options.elimination_groups[0]);
+  }
+"""
+
+FACTORY_FOOTER = """
+#endif
+  VLOG(1) << "Template specializations not found for <"
+          << options.row_block_size << ","
+          << options.e_block_size << ","
+          << options.f_block_size << ">";
+  return new PartitionedMatrixView<Eigen::Dynamic, Eigen::Dynamic, Eigen::Dynamic>(
+               matrix, options.elimination_groups[0]);
+};
+
+}  // namespace internal
+}  // namespace ceres
+"""
+
+
+def SuffixForSize(size):
+  if size == "Eigen::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("partitioned_matrix_view.cc", "w")
+  f.write(HEADER)
+  f.write(FACTORY_FILE_HEADER)
+
+  for row_block_size, e_block_size, f_block_size in SPECIALIZATIONS:
+    output = SpecializationFilename("generated/partitioned_matrix_view",
+                                    row_block_size,
+                                    e_block_size,
+                                    f_block_size) + ".cc"
+    fptr = open(output, "w")
+    fptr.write(HEADER)
+
+    template = SPECIALIZATION_FILE
+    if (row_block_size == "Eigen::Dynamic" and
+        e_block_size == "Eigen::Dynamic" and
+        f_block_size == "Eigen::Dynamic"):
+      template = DYNAMIC_FILE
+
+    fptr.write(template % (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()