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Audio: MDRC: Restructure Multiband DRC for more effective memory alloc… #9195

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Audio: MDRC: Restructure Multiband DRC for more effective memory alloc… #9195

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Commits on Jun 29, 2024

  1. Audio: MDRC: Restructure MDRC for effective memory allocation 

    This check-in improves memory management in the Multiband Dynamic
Range Control (MDRC) component by reducing overhead, increasing
cache efficiency through data locality, and minimising heap
fragmentation.

Key Changes:
1. Removed the redundant `struct multiband_drc_coefficients` from
   multiband_drc.h and multiband_drc.c.
2. Updated `multiband_drc_init` function to eliminate the allocation of
   the obsolete `coefficients_block`.
3. Adjusted `multiband_drc_free` to no longer check and free the
   now-nonexistent `coefficients_block`.
4. Streamlined memory allocation and initialization of crossover,
   emphasis, and de-emphasis coefficients directly in
   `multiband_drc_init_coef`.
5. Simplified overall memory management, removing unnecessary layers of
   indirection.

Performance Improvements:
- Reduces memory allocation overhead.
- Enhances data locality, improving cache efficiency.
- Mitigates heap fragmentation, thereby reducing the chances of memory
  leaks.

Signed-off-by: Shriram Shastry <[email protected]>
    @ShriramShastry
    ShriramShastry committed Jun 29, 2024
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