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Summary of change:
'''With more and more firmware features, in the future we must be conscious about RAM usage''' '''How to be efficient with SRAM usage''' ? * avoid global variables where local is possible * avoid features that are only for debugging, eg. BENCHMARK * keep table sizes reasonable: eg. 8x8 is more than enough for lambda (12x12 is unnecessary) * smart status and flagwords: use bits where possible (instead of whole bytes) * try to use tables from EEPROM / FLASH directly (instead of mirror in SRAM) and only cache data when necessary ** eg. during EEPROM-write ** dirty data (changed from tuningsw, not yet written) * pack bytes where necessary: ** internal high-resolution "learnt" VE: uint16_t ve_table[] (12 bit values would be enough instead of 16bits)
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