Details

Time bar (total: 5.5s)

sample53.0ms

Algorithm
intervals
Results
29.0ms256×body80valid
5.0ms256×pre80true

simplify525.0ms

Counts
1 → 1

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.1b

localize14.0ms

Local error

Found 1 expressions with local error:

16.5b
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

rewrite107.0ms

Algorithm
rewrite-expression-head
Rules
22×add-exp-log add-cbrt-cube
prod-exp cbrt-unprod
cbrt-undiv div-exp
associate-*l/ associate-/r/
pow1 add-sqr-sqrt add-cube-cbrt flip3-- frac-2neg *-un-lft-identity times-frac clear-num associate-/r* flip-- div-inv associate-/l* add-log-exp
Counts
1 → 27
Calls
1 calls:
105.0ms
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

series114.0ms

Counts
1 → 3
Calls
1 calls:
114.0ms
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

simplify749.0ms

Counts
30 → 30

prune74.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize27.0ms

Local error

Found 3 expressions with local error:

0.3b
(/ 1 (pow i 2))
0.3b
(/ 1 (pow i 4))
0.4b
(* 0.015625 (/ 1 (pow i 2)))

rewrite80.0ms

Algorithm
rewrite-expression-head
Rules
77×times-frac
70×add-sqr-sqrt
56×*-un-lft-identity
52×add-cube-cbrt
41×add-exp-log
35×unpow-prod-down
28×associate-*r*
18×div-exp
15×associate-/r*
13×sqr-pow
12×add-cbrt-cube
10×prod-exp
pow-to-exp rec-exp 1-exp pow-exp unpow2 unswap-sqr
associate-/l*
pow1
cbrt-undiv associate-*l* div-inv add-log-exp
pow-flip frac-2neg clear-num cbrt-unprod inv-pow
associate-*r/ pow-prod-down un-div-inv *-commutative
Counts
3 → 173
Calls
3 calls:
14.0ms
(/ 1 (pow i 2))
9.0ms
(/ 1 (pow i 4))
42.0ms
(* 0.015625 (/ 1 (pow i 2)))

series103.0ms

Counts
3 → 9
Calls
3 calls:
28.0ms
(/ 1 (pow i 2))
38.0ms
(/ 1 (pow i 4))
37.0ms
(* 0.015625 (/ 1 (pow i 2)))

simplify807.0ms

Counts
182 → 182

prune441.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes25.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 16.3b

bsearch76.0ms

Steps
ItersRangePoint
8
7.80739238888809
17375.73834574406
218.03694016432848

simplify1.0s

end0.0ms

sample1.3s

Algorithm
intervals
Results
563.0ms8000×pre80true
487.0ms8000×body80valid