Details

Time bar (total: 9.3s)

sample24.0ms

Algorithm
intervals
Results
4.0ms54×body1280valid
4.0ms237×body80nan
3.0ms45×body640valid
2.0ms134×body80valid
1.0ms12×body320valid
0.0ms11×body160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.7b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(sqrt (+ x 1.0))
2.5b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite48.0ms

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:
6.0ms
(sqrt (+ x 1.0))
40.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series97.0ms

Counts
2 → 6
Calls
2 calls:
29.0ms
(sqrt (+ x 1.0))
67.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify1.6s

Counts
41 → 41
Iterations

Useful iterations: done (1.6s)

IterNodesCost
084488
1183440
2432410
31028402
42702390
done5000382

prune75.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize9.0ms

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)))

rewrite82.0ms

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:
6.0ms
(sqrt (+ x 1.0))
32.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
41.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

series235.0ms

Counts
3 → 9
Calls
3 calls:
36.0ms
(sqrt (+ x 1.0))
59.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
140.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

simplify1.5s

Counts
80 → 80
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01521125
13431018
2891935
32607919
done5000915

prune160.0ms

Pruning

10 alts after pruning (9 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))))

rewrite113.0ms

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:
7.0ms
(sqrt (sqrt (+ x 1.0)))
8.0ms
(sqrt (sqrt (+ x 1.0)))
45.0ms
(/ 1.0 (+ (* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0)))) (sqrt x)))
47.0ms
(* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))

series331.0ms

Counts
4 → 12
Calls
4 calls:
87.0ms
(sqrt (sqrt (+ x 1.0)))
82.0ms
(sqrt (sqrt (+ x 1.0)))
129.0ms
(/ 1.0 (+ (* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0)))) (sqrt x)))
33.0ms
(* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))

simplify2.0s

Counts
173 → 173
Iterations

Useful iterations: done (2.0s)

IterNodesCost
02492955
15231830
213991719
342281650
done50011631

prune326.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 1.0 (+ (* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0)))) (sqrt x)))
0.2b
(* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0))))
0.3b
(cbrt (+ x 1.0))
0.3b
(cbrt (+ x 1.0))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt *-un-lft-identity
18×add-cube-cbrt
13×cbrt-prod
10×associate-*r*
times-frac sqrt-prod
add-exp-log add-cbrt-cube
pow1 cbrt-div
flip3-+ flip-+ add-log-exp
associate-*l* associate-/r* distribute-lft-out associate-/l* unswap-sqr
pow1/3 sqrt-div associate-*r/ associate-/r/
cbrt-undiv frac-2neg div-exp pow-prod-down prod-exp clear-num *-commutative cbrt-unprod div-inv
Counts
4 → 86
Calls
4 calls:
25.0ms
(/ 1.0 (+ (* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0)))) (sqrt x)))
27.0ms
(* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0))))
4.0ms
(cbrt (+ x 1.0))
4.0ms
(cbrt (+ x 1.0))

series450.0ms

Counts
4 → 12
Calls
4 calls:
183.0ms
(/ 1.0 (+ (* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0)))) (sqrt x)))
96.0ms
(* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0))))
86.0ms
(cbrt (+ x 1.0))
86.0ms
(cbrt (+ x 1.0))

simplify1.1s

Counts
98 → 98
Iterations

Useful iterations: done (1.1s)

IterNodesCost
03282505
18512346
230582209
done50002197

prune318.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

regimes37.0ms

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

sample684.0ms

Algorithm
intervals
Results
132.0ms1688×body1280valid
132.0ms7989×body80nan
76.0ms4145×body80valid
76.0ms1192×body640valid
33.0ms656×body320valid
11.0ms319×body160valid