Details

Time bar (total: 15.9s)

sample29.0ms

Algorithm
intervals
Results
9.0ms256×pre80true
9.0ms256×body80valid

simplify2.8s

Counts
1 → 1
Iterations

Useful iterations: done (2.8s)

IterNodesCost
01025
112125
done500023

prune11.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 40.1b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 2.0 (* i i))
9.9b
(* (/ i (* 2.0 (* i i))) (pow i 3))
15.1b
(/ (* (/ i (* 2.0 (* i i))) (pow i 3)) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) 2.0))
28.4b
(/ i (* 2.0 (* i i)))

rewrite332.0ms

Algorithm
rewrite-expression-head
Rules
173×add-exp-log
82×prod-exp
77×add-cbrt-cube
56×div-exp
32×cbrt-unprod
22×cbrt-undiv
20×add-sqr-sqrt
13×associate-*r*
12×pow-to-exp add-cube-cbrt *-un-lft-identity pow-exp
10×associate-*l*
pow1
times-frac
unswap-sqr
unpow-prod-down cube-prod associate-*l/ associate-/l* add-log-exp
pow-prod-down div-inv
frac-2neg clear-num associate-/r* associate-/r/ *-commutative sqr-pow
cube-mult flip3-- unpow3 flip-- associate-/l/
Counts
4 → 142
Calls
4 calls:
34.0ms
(* 2.0 (* i i))
101.0ms
(* (/ i (* 2.0 (* i i))) (pow i 3))
164.0ms
(/ (* (/ i (* 2.0 (* i i))) (pow i 3)) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) 2.0))
17.0ms
(/ i (* 2.0 (* i i)))

series267.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(* 2.0 (* i i))
44.0ms
(* (/ i (* 2.0 (* i i))) (pow i 3))
151.0ms
(/ (* (/ i (* 2.0 (* i i))) (pow i 3)) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) 2.0))
34.0ms
(/ i (* 2.0 (* i i)))

simplify628.0ms

Counts
154 → 154
Iterations

Useful iterations: done (622.0ms)

IterNodesCost
02093131
done50012863

prune421.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(* 0.5 (pow i 2))
15.1b
(/ (* 0.5 (pow i 2)) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) 2.0))

rewrite80.0ms

Algorithm
rewrite-expression-head
Rules
31×add-exp-log
16×add-cbrt-cube
13×prod-exp
11×add-sqr-sqrt
div-exp associate-*r*
add-cube-cbrt *-un-lft-identity cbrt-unprod
cbrt-undiv unpow-prod-down unswap-sqr
pow-to-exp associate-*l* pow-exp
pow1 associate-*l/ associate-/r/ unpow2 add-log-exp sqr-pow
flip3-- frac-2neg times-frac clear-num associate-/r* *-commutative flip-- div-inv associate-/l*
Counts
2 → 54
Calls
2 calls:
12.0ms
(* 0.5 (pow i 2))
66.0ms
(/ (* 0.5 (pow i 2)) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) 2.0))

series184.0ms

Counts
2 → 6
Calls
2 calls:
51.0ms
(* 0.5 (pow i 2))
133.0ms
(/ (* 0.5 (pow i 2)) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) 2.0))

simplify5.2s

Counts
60 → 60
Iterations

Useful iterations: done (5.2s)

IterNodesCost
0126980
12969918
done5000725

prune147.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize21.0ms

Local error

Found 3 expressions with local error:

0.3b
(/ 1 (/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (/ 2.0 (pow i 2))) 0.5))
0.4b
(/ 2.0 (pow i 2))
15.2b
(* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (/ 2.0 (pow i 2)))

rewrite351.0ms

Algorithm
rewrite-expression-head
Rules
85×times-frac
75×add-exp-log
65×add-sqr-sqrt
52×add-cube-cbrt *-un-lft-identity
42×div-exp
28×associate-*r*
24×add-cbrt-cube
22×unpow-prod-down
16×prod-exp
15×associate-/r*
10×cbrt-undiv
unpow2 sqr-pow
div-inv
pow1 rec-exp 1-exp associate-/l*
pow-to-exp pow-exp unswap-sqr
associate-*l* cbrt-unprod
add-log-exp
frac-times flip3-- frac-2neg associate-*l/ clear-num flip--
pow-flip associate-*r/ pow-prod-down associate-/r/ *-commutative inv-pow difference-of-squares
Counts
3 → 172
Calls
3 calls:
93.0ms
(/ 1 (/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (/ 2.0 (pow i 2))) 0.5))
15.0ms
(/ 2.0 (pow i 2))
233.0ms
(* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (/ 2.0 (pow i 2)))

series335.0ms

Counts
3 → 9
Calls
3 calls:
128.0ms
(/ 1 (/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (/ 2.0 (pow i 2))) 0.5))
29.0ms
(/ 2.0 (pow i 2))
178.0ms
(* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (/ 2.0 (pow i 2)))

simplify1.3s

Counts
181 → 181
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02943602
done50003306

prune508.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ 1 (/ (- 8.0 (/ 2.0 (pow i 2))) 0.5))
0.4b
(/ 2.0 (pow i 2))

rewrite97.0ms

Algorithm
rewrite-expression-head
Rules
273×times-frac
247×add-sqr-sqrt
127×*-un-lft-identity
103×add-cube-cbrt
60×difference-of-squares
39×associate-/r*
24×unpow-prod-down
18×add-exp-log
16×unpow2 sqr-pow
12×distribute-lft-out--
10×div-exp
add-cbrt-cube
div-inv associate-/l*
cbrt-undiv
pow1
rec-exp frac-2neg 1-exp clear-num add-log-exp
pow-to-exp pow-flip pow-exp associate-/r/ inv-pow
Counts
2 → 197
Calls
2 calls:
66.0ms
(/ 1 (/ (- 8.0 (/ 2.0 (pow i 2))) 0.5))
8.0ms
(/ 2.0 (pow i 2))

series112.0ms

Counts
2 → 6
Calls
2 calls:
63.0ms
(/ 1 (/ (- 8.0 (/ 2.0 (pow i 2))) 0.5))
49.0ms
(/ 2.0 (pow i 2))

simplify1.3s

Counts
203 → 203
Iterations

Useful iterations: done (1.3s)

IterNodesCost
03784027
done50003454

prune662.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes23.0ms

Accuracy

0% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.3b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01111
11311
done1311

end0.0ms

sample967.0ms

Algorithm
intervals
Results
593.0ms8000×body80valid
159.0ms8000×pre80true