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what is bmi1 & bmi2 (question) #212
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I am not sure I fully understand your question, but bmi1 and bmi2 are processor specific "Bit Manipulation Instruction" sets. For intel products, there is no such thing as a "bmi1 only" processors since all bmi-capable processors support bmi2 which by default includes all bmi1 instructions. For some AMD processors, however, there is support for bmi1 instructions but NOT bmi2. |
@sohel1214 |
tks for reply , i get it clr if processor not support then not work engine . 1 ques more which engine best for play . popcnt or bmi . |
Functionally , they are the same , so which one is best depends on your hardware. If both work , start stockfish on the commandline and type “bench” whichever one provides you with the highest nps ( or shortest completion time ) would be best for your hardware. |
open stockfish and paste banch its like that in the end ? after that what i follow Total time (ms) or Nodes searched or Nodes/second ? |
when i try bmi 1 and bmi2 not active engine but only popcent ok. pls tel . where is prob my pc
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