Changes between Version 2 and Version 3 of WhileLoopCarryOptimizationStrategy


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Timestamp:
Dec 20, 2009, 9:02:10 AM (10 years ago)
Author:
cameron
Comment:

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  • WhileLoopCarryOptimizationStrategy

    v2 v3  
    1818while loop can now be processed using 64-bit operations uniformly, avoiding any 128-bit
    1919to 64-bit movements.   There are 7 variables involved in advance/scan operations.   This
    20 would cost 4 data movement operations each per 128-bit block, or 28 operations in all.
     20would cost 4 data movement operations each per 128-bit block, or 28 data movements in all.
     21If the data movements are indirect via memory, this might a total of 56 cycles.