Details

Time bar (total: 2.3s)

sample24.0ms

Algorithm
intervals
Results
10.0ms256×body80valid
3.0ms256×pre80true

simplify27.0ms

Counts
1 → 1

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.8b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
17.3b
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

rewrite105.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log add-cbrt-cube
prod-exp cbrt-unprod
cbrt-undiv div-exp
add-log-exp
add-sqr-sqrt
pow1 add-cube-cbrt flip3-- *-un-lft-identity associate-*l/ associate-/r/ flip--
sub-neg frac-2neg times-frac diff-log clear-num associate-/r* div-inv associate-/l* difference-of-squares
Counts
2 → 40
Calls
2 calls:
32.0ms
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
72.0ms
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

series141.0ms

Counts
2 → 6
Calls
2 calls:
58.0ms
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
83.0ms
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

simplify39.0ms

Counts
46 → 46

prune85.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
0.3b
(/ i (/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i))
16.4b
(/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i)

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
36×times-frac
26×add-exp-log add-cbrt-cube
22×add-sqr-sqrt
21×add-cube-cbrt *-un-lft-identity
10×cbrt-undiv div-exp associate-/r*
prod-exp cbrt-unprod div-inv
add-log-exp
associate-/l*
pow1
flip3-- frac-2neg associate-*l/ clear-num flip-- associate-/l/
sub-neg diff-log associate-/r/ difference-of-squares
Counts
3 → 88
Calls
3 calls:
30.0ms
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
35.0ms
(/ i (/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i))
65.0ms
(/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i)

series271.0ms

Counts
3 → 9
Calls
3 calls:
59.0ms
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
83.0ms
(/ i (/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i))
130.0ms
(/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i)

simplify61.0ms

Counts
97 → 97

prune178.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* 0.00390625 (/ 1 (pow i 4))) (+ (* 0.015625 (/ 1 (pow i 2))) 0.0625))
0.2b
(/ 1 (pow i 4))
0.5b
(/ 1 (pow i 2))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
45×times-frac
36×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
24×unpow-prod-down
21×add-exp-log
15×associate-/r*
12×div-exp
add-log-exp sqr-pow
add-cbrt-cube
pow-to-exp rec-exp 1-exp pow-exp associate-/l*
frac-add unpow2
pow1 flip3-+ sum-log flip-+
cbrt-undiv pow-flip frac-2neg associate-*r/ clear-num un-div-inv div-inv inv-pow
+-commutative associate-+r+
Counts
3 → 127
Calls
3 calls:
44.0ms
(+ (* 0.00390625 (/ 1 (pow i 4))) (+ (* 0.015625 (/ 1 (pow i 2))) 0.0625))
8.0ms
(/ 1 (pow i 4))
9.0ms
(/ 1 (pow i 2))

series82.0ms

Counts
3 → 9
Calls
3 calls:
32.0ms
(+ (* 0.00390625 (/ 1 (pow i 4))) (+ (* 0.015625 (/ 1 (pow i 2))) 0.0625))
33.0ms
(/ 1 (pow i 4))
18.0ms
(/ 1 (pow i 2))

simplify55.0ms

Counts
136 → 136

prune214.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes22.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 15.4b

bsearch47.0ms

Steps
ItersRangePoint
9
18.94287663705889
68681308.03810455
207.0629798232825

simplify1.0ms

end0.0ms

sample668.0ms

Algorithm
intervals
Results
372.0ms8000×body80valid
142.0ms8000×pre80true