Merge pull request #1006 from kangshiyin/debug-stride-mode

src/chain/chain-supervision-test.cc

src/cudamatrix/cu-array-test.cc

src/cudamatrix/cu-block-matrix-test.cc

src/cudamatrix/cu-device-test.cc

src/cudamatrix/cu-device.cc

src/cudamatrix/cu-device.h

src/cudamatrix/cu-math-test.cc

src/cudamatrix/cu-matrix-test.cc

src/cudamatrix/cu-packed-matrix-test.cc

src/cudamatrix/cu-sp-matrix-test.cc

src/cudamatrix/cu-sparse-matrix-test.cc

src/cudamatrix/cu-tp-matrix-test.cc

src/cudamatrix/cu-vector-test.cc

src/nnet2/nnet-component-test.cc

src/nnet2/nnet-precondition-online-test.cc

src/nnet3/natural-gradient-online-test.cc

src/nnet3/nnet-component-test.cc

src/nnet3/nnet-compute-test.cc

src/nnet3/nnet-derivative-test.cc

src/nnet3/nnet-optimize-test.cc