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20 lines
363 B
Forth
20 lines
363 B
Forth
: fib ( n -- d )
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>r 0 dup 1 0 r> 0 do
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2dup 2>r 2swap 6 sys 2r> 2swap loop 2drop ;
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: fibtest ( n -- )
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0 do i fib <# #s #> type space loop ;
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: fibbench ( n -- )
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5 sys fib 5 sys >r 2drop r> ;
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variable avg 0 avg !
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2000 constant iters
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: bench ( -- )
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iters 0 do 100 fibbench avg +! loop
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avg @ iters / avg ! ;
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bench ." avg time: " avg @ . ." us" cr
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bye
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