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DSP/BIOS MEM allocation

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DSP/BIOS Memory allocation algorithm

Understanding the DSP/BIOS memory allocation algorithm can be helpful when debugging various applications. The DSP/BIOS Memory (MEM) allocation algorithm has been changed in version 5.21.xx.xx or greater. Previously, version (4.xx.xx – 5.20.xx.xx) allocated memory at the end of a free block. The new algorithm allocates from the start of a free block allowing for less fragmentation when multiple small blocks are allocated and freed. The DSP/BIOS Memory Overview illustrates the two different memory algorithms for DSP/BIOS to assist in debugging.