tree 340f34c67b66716ed99df2750eddf019c381514f
parent 46b8461fd010c1e7ffce6bb2bdf8a84b659d5e09
author Sameer Agarwal <sameeragarwal@google.com> 1412026078 -0700
committer Sameer Agarwal <sameeragarwal@google.com> 1412031019 -0700

Faster  BlockRandomAccessSparseMatrix::SymmetricRightMultiply.

Trade a small amount of memory to improve the cache coherency of
the SymmetricRightMultiply operation.

The resulting code leads to a 10-20% speedup in the linear solver
end to end.

Change-Id: I8ab2fe152099e849b211b5b19e4ef9f03d8e7f1c