Details

Time bar (total: 13.4s)

sample26.0ms

Algorithm
intervals
Results
10.0ms256×body80valid
3.0ms256×pre80true

simplify5.8s

Counts
1 → 1
Iterations

Useful iterations: 4 (3.8s)

IterNodesCost
01025
13125
216423
389019
4335915
done500015

prune21.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.3b

localize20.0ms

Local error

Found 1 expressions with local error:

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

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
33×times-frac
17×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
10×add-exp-log add-cbrt-cube
associate-/l*
cbrt-undiv div-exp div-inv
associate-/r*
associate-/r/
pow1 flip3-- frac-2neg prod-exp clear-num flip-- cbrt-unprod associate-/l/ add-log-exp
Counts
1 → 50
Calls
1 calls:
74.0ms
(/ (/ i (* 2.0 2.0)) (- (* 2.0 (* 2.0 i)) (/ 1.0 i)))

series145.0ms

Counts
1 → 3
Calls
1 calls:
145.0ms
(/ (/ i (* 2.0 2.0)) (- (* 2.0 (* 2.0 i)) (/ 1.0 i)))

simplify2.6s

Counts
53 → 53
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
01431332
13631310
211061178
339671176
done50001176

prune175.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize17.0ms

Local error

Found 1 expressions with local error:

0.0b
(* 4.0 (pow i 6))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
associate-*r*
add-exp-log
add-cube-cbrt unpow-prod-down *-un-lft-identity
associate-*l* prod-exp add-cbrt-cube unswap-sqr
sqr-pow
pow1 pow-to-exp pow-exp *-commutative cbrt-unprod add-log-exp
Counts
1 → 25
Calls
1 calls:
22.0ms
(* 4.0 (pow i 6))

series76.0ms

Counts
1 → 3
Calls
1 calls:
75.0ms
(* 4.0 (pow i 6))

simplify1.4s

Counts
28 → 28
Iterations

Useful iterations: done (1.4s)

IterNodesCost
050221
1101198
2243186
3888181
done5000180

prune106.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize20.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (/ 0.00390625 (pow i 4)) (+ 0.0625 (/ 0.015625 (* i i))))
0.1b
(/ 0.00390625 (pow i 4))
0.6b
(/ 0.015625 (* i i))

rewrite134.0ms

Algorithm
rewrite-expression-head
Rules
26×*-un-lft-identity
24×times-frac
21×add-sqr-sqrt add-cube-cbrt
13×add-exp-log
12×unpow-prod-down
10×add-cbrt-cube
associate-/r* add-log-exp
associate-/l*
div-exp
sqr-pow
pow1 cbrt-undiv sum-log distribute-lft-out
frac-2neg flip3-+ frac-add clear-num flip-+ div-inv
+-commutative pow-to-exp associate-+r+ pow-exp prod-exp cbrt-unprod
Counts
3 → 83
Calls
3 calls:
90.0ms
(+ (/ 0.00390625 (pow i 4)) (+ 0.0625 (/ 0.015625 (* i i))))
22.0ms
(/ 0.00390625 (pow i 4))
17.0ms
(/ 0.015625 (* i i))

series129.0ms

Counts
3 → 9
Calls
3 calls:
50.0ms
(+ (/ 0.00390625 (pow i 4)) (+ 0.0625 (/ 0.015625 (* i i))))
42.0ms
(/ 0.00390625 (pow i 4))
36.0ms
(/ 0.015625 (* i i))

simplify1.1s

Counts
92 → 92
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01721152
13961053
21355981
done5000962

prune251.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes18.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01015
11215
done1215

end0.0ms

sample1.3s

Algorithm
intervals
Results
935.0ms8000×body80valid
136.0ms8000×pre80true