Details

Time bar (total: 7.9s)

sample27.0ms

Algorithm
intervals
Results
6.0ms44×body1280valid
5.0ms275×body80nan
3.0ms45×body640valid
3.0ms140×body80valid
1.0ms14×body320valid
0.0ms13×body160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
197
2107
done107

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.5b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(sqrt (+ x 1.0))
3.6b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt *-un-lft-identity sqrt-prod
add-log-exp difference-of-squares
pow1 add-cube-cbrt distribute-lft-out--
add-exp-log sqrt-div add-cbrt-cube distribute-lft-out
sub-neg rem-sqrt-square flip3-- sqrt-pow1 flip3-+ pow1/2 diff-log flip-- flip-+
Counts
2 → 35
Calls
2 calls:
4.0ms
(sqrt (+ x 1.0))
21.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series105.0ms

Counts
2 → 6
Calls
2 calls:
31.0ms
(sqrt (+ x 1.0))
74.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify1.6s

Counts
41 → 41
Iterations

Useful iterations: 4 (719.0ms)

IterNodesCost
084488
1183440
2452410
31178402
43298389
done5000389

prune79.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize6.0ms

Local error

Found 3 expressions with local error:

0.0b
(sqrt (+ x 1.0))
0.0b
(+ (sqrt (+ x 1.0)) (sqrt x))
0.1b
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
52×*-un-lft-identity
24×sqrt-prod
21×distribute-lft-out
18×times-frac
16×add-sqr-sqrt
15×add-cube-cbrt
associate-/r*
add-exp-log add-cbrt-cube add-log-exp
pow1
flip3-+ flip-+ associate-/l*
sqrt-div associate-/r/
cbrt-undiv +-commutative rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-exp clear-num sum-log div-inv
Counts
3 → 71
Calls
3 calls:
4.0ms
(sqrt (+ x 1.0))
18.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
23.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

series247.0ms

Counts
3 → 9
Calls
3 calls:
35.0ms
(sqrt (+ x 1.0))
65.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
146.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

simplify1.4s

Counts
80 → 80
Iterations

Useful iterations: 3 (605.0ms)

IterNodesCost
01521125
13431018
2924935
33288919
done5000919

prune169.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (sqrt (+ x 1.0)))
0.1b
(sqrt (sqrt (+ x 1.0)))
0.1b
(/ 1.0 (+ (* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0)))) (sqrt x)))
0.3b
(* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
106×sqrt-prod
62×add-sqr-sqrt
46×*-un-lft-identity
40×sqrt-pow1
32×sqrt-div
31×pow1
28×add-cube-cbrt
20×pow1/2
18×swap-sqr
10×associate-*r* associate-*l*
flip3-+ times-frac pow-prod-up flip-+ unswap-sqr
add-exp-log add-cbrt-cube distribute-lft-out
pow-prod-down pow-sqr
frac-times rem-sqrt-square add-log-exp
associate-/r* associate-/l*
associate-*r/ associate-*l/ associate-/r/
cbrt-undiv pow2 frac-2neg pow-plus sqrt-unprod div-exp prod-exp clear-num rem-square-sqrt *-commutative cbrt-unprod div-inv
Counts
4 → 161
Calls
4 calls:
4.0ms
(sqrt (sqrt (+ x 1.0)))
5.0ms
(sqrt (sqrt (+ x 1.0)))
25.0ms
(/ 1.0 (+ (* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0)))) (sqrt x)))
29.0ms
(* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))

series361.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(sqrt (sqrt (+ x 1.0)))
88.0ms
(sqrt (sqrt (+ x 1.0)))
138.0ms
(/ 1.0 (+ (* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0)))) (sqrt x)))
36.0ms
(* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))

simplify812.0ms

Counts
173 → 173
Iterations

Useful iterations: done (807.0ms)

IterNodesCost
02492955
15241830
214351719
done50001667

prune339.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sqrt (fabs (cbrt (+ x 1.0)))) (sqrt (sqrt (+ x 1.0))))
0.2b
(* (* (sqrt (fabs (cbrt (+ x 1.0)))) (sqrt (sqrt (+ x 1.0)))) (sqrt (sqrt (cbrt (+ x 1.0)))))
0.3b
(cbrt (+ x 1.0))
0.3b
(cbrt (+ x 1.0))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
40×sqrt-prod
28×sqrt-div
27×add-sqr-sqrt
23×*-un-lft-identity associate-*r*
16×pow1
15×add-cube-cbrt
12×cbrt-prod
11×add-exp-log add-cbrt-cube
10×cbrt-div associate-*r/ pow-prod-down
flip3-+ flip-+
associate-*l*
unswap-sqr
sqrt-pow1 pow1/2
frac-times prod-exp cbrt-unprod distribute-lft-out add-log-exp
sqrt-unprod
pow1/3 associate-*l/ *-commutative
Counts
4 → 105
Calls
4 calls:
16.0ms
(* (sqrt (fabs (cbrt (+ x 1.0)))) (sqrt (sqrt (+ x 1.0))))
42.0ms
(* (* (sqrt (fabs (cbrt (+ x 1.0)))) (sqrt (sqrt (+ x 1.0)))) (sqrt (sqrt (cbrt (+ x 1.0)))))
2.0ms
(cbrt (+ x 1.0))
2.0ms
(cbrt (+ x 1.0))

series397.0ms

Counts
4 → 12
Calls
4 calls:
103.0ms
(* (sqrt (fabs (cbrt (+ x 1.0)))) (sqrt (sqrt (+ x 1.0))))
104.0ms
(* (* (sqrt (fabs (cbrt (+ x 1.0)))) (sqrt (sqrt (+ x 1.0)))) (sqrt (sqrt (cbrt (+ x 1.0)))))
95.0ms
(cbrt (+ x 1.0))
94.0ms
(cbrt (+ x 1.0))

simplify791.0ms

Counts
117 → 117
Iterations

Useful iterations: 2 (231.0ms)

IterNodesCost
02672439
16252217
220602071
done50012071

prune670.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.0b

regimes35.0ms

Accuracy

0% (0.1b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
199
done99

end0.0ms

sample662.0ms

Algorithm
intervals
Results
147.0ms7968×body80nan
144.0ms1723×body1280valid
80.0ms1228×body640valid
78.0ms4137×body80valid
30.0ms606×body320valid
10.0ms306×body160valid