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Field G. Van Zee b6ef84fad1 Allow ldim of packed micro-panels != MR, NR.

Details:
- Made substantial changes throughout the framework to decouple the leading
  dimension (row or column stride) used within each packed micro-panel from
  the corresponding register blocksize. It appears advantageous on some
  systems to use, for example, packed micro-panels of A where the column
  stride is greater than MR (whereas previously it was always equal to MR).
- Changes include:
  - Added BLIS_EXTEND_[MNK]R_? macros, which specify how much extra padding
    to use when packing micro-panels of A and B.
  - Adjusted all packing routines and macro-kernels to use PACKMR and PACKNR
    where appropriate, instead of MR and NR.
  - Added pd field (panel dimension) to obj_t.
  - New interface to bli_packm_cntl_obj_create().
  - Renamed bli_obj_packed_length()/_width() macros to
    bli_obj_padded_length()/_width().
  - Removed local #defines for cache/register blocksizes in level-3 *_cntl.c.
  - Print out new cache and register blocksize extensions in test suite.
- Also added new BLIS_EXTEND_[MNK]C_? macros for future use in using a larger
  blocksize for edge cases, which can improve performance at the margins.

2013-04-21 15:00:24 -05:00

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