Details

Time bar (total: 1.2m)

sample42.0ms

Algorithm
intervals
Results
25.0ms256×body80valid
6.0ms256×pre80true

simplify237.0ms

Calls
1 calls:
Slowest
237.0ms
(/ (/ (* (* i i) (* i i)) (* (* 2 i) (* 2 i))) (- (* (* 2 i) (* 2 i)) 1.0))

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.8b

localize15.0ms

Local error

Found 2 expressions with local error:

17.8b
(/ (* i i) (* (- (* 4 (* i i)) 1.0) 4))
0.0b
(* 4 (* i i))

rewrite397.0ms

Algorithm
rewrite-expression-head
Rules
519×add-sqr-sqrt
300×times-frac
261×associate-*l*
225×*-un-lft-identity
161×add-cube-cbrt
140×unswap-sqr
129×associate-*r*
96×difference-of-squares
83×swap-sqr
56×*-commutative
32×distribute-lft-out--
20×associate-/r*
19×add-cbrt-cube add-exp-log
15×associate-/l*
pow1 prod-exp cbrt-unprod
cbrt-undiv div-exp
pow-prod-down
expm1-log1p-u associate-*l/ associate-/r/ insert-posit16 log1p-expm1-u add-log-exp
clear-num frac-2neg flip3-- div-inv flip--
Calls
2 calls:
Slowest
358.0ms
(/ (* i i) (* (- (* 4 (* i i)) 1.0) 4))
30.0ms
(* 4 (* i i))

series180.0ms

Calls
2 calls:
Slowest
128.0ms
(/ (* i i) (* (- (* 4 (* i i)) 1.0) 4))
52.0ms
(* 4 (* i i))

simplify1.0m

Calls
675 calls:
Slowest
659.0ms
(/ (* (* (* i i) (* i i)) (* i i)) (* (* (* (- (* 4 (* i i)) 1.0) 4) (* (- (* 4 (* i i)) 1.0) 4)) (* (- (* 4 (* i i)) 1.0) 4)))
621.0ms
(/ (* (* (* i i) i) (* (* i i) i)) (* (* (* (- (* 4 (* i i)) 1.0) 4) (* (- (* 4 (* i i)) 1.0) 4)) (* (- (* 4 (* i i)) 1.0) 4)))
523.0ms
(/ (* (sqrt i) (sqrt i)) (* (- (* 4 (* i i)) 1.0) (sqrt 4)))
499.0ms
(/ (* 1 1) (* (- (* 4 (* i i)) 1.0) (* (cbrt 4) (cbrt 4))))
477.0ms
(/ (* i (* (cbrt i) (cbrt i))) (* (sqrt (- (* 4 (* i i)) 1.0)) (sqrt 4)))

prune3.4s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize14.0ms

Local error

Found 2 expressions with local error:

0.1b
(/ i (fma (/ 1.0 i) -4 (* i 16)))
0.0b
(fma (/ 1.0 i) -4 (* i 16))

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
times-frac
add-cbrt-cube add-exp-log
associate-/r* associate-/l*
expm1-log1p-u pow1 insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv clear-num frac-2neg div-exp fma-udef div-inv
Calls
2 calls:
Slowest
4.0ms
(/ i (fma (/ 1.0 i) -4 (* i 16)))
0.0ms
(fma (/ 1.0 i) -4 (* i 16))

series211.0ms

Calls
2 calls:
Slowest
106.0ms
(/ i (fma (/ 1.0 i) -4 (* i 16)))
105.0ms
(fma (/ 1.0 i) -4 (* i 16))

simplify2.4s

Calls
31 calls:
Slowest
560.0ms
(+ (* 0.015625 (/ 1 (pow i 2))) (+ 1/16 (* 0.00390625 (/ 1 (pow i 4)))))
307.0ms
(/ (* (* i i) i) (* (* (fma (/ 1.0 i) -4 (* i 16)) (fma (/ 1.0 i) -4 (* i 16))) (fma (/ 1.0 i) -4 (* i 16))))
220.0ms
(- (+ (* 0.25 (pow i 2)) (+ (* 1.0 (pow i 4)) (* 4.0 (pow i 6)))))
199.0ms
(+ (* 0.015625 (/ 1 (pow i 2))) (+ 1/16 (* 0.00390625 (/ 1 (pow i 4)))))
106.0ms
(- (* 16 i) (* 4.0 (/ 1 i)))

prune433.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes33.0ms

Accuracy

0% (0.1b remaining)

Error of 0.2b against oracle of 0.1b and baseline of 0.2b

bsearch3.0ms

end0.0ms

sample1.4s

Algorithm
intervals
Results
914.0ms8000×body80valid
279.0ms8000×pre80true