Details

Time bar (total: 14.6s)

sample34.0ms

Algorithm
intervals
Results
8.0ms70×body1280valid
6.0ms241×body80nan
3.0ms123×body80valid
3.0ms33×body640valid
2.0ms24×body320valid
0.0msbody160valid

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: 31.5b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(sqrt (+ x 1.0))
1.6b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite87.0ms

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:
12.0ms
(sqrt (+ x 1.0))
74.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series140.0ms

Counts
2 → 6
Calls
2 calls:
55.0ms
(sqrt (+ x 1.0))
85.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify2.4s

Counts
41 → 41
Iterations

Useful iterations: done (2.4s)

IterNodesCost
084488
1183440
2432410
31028402
42702390
done5000382

prune101.0ms

Pruning

2 alts after pruning (2 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)))

rewrite124.0ms

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:
10.0ms
(sqrt (+ x 1.0))
60.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
49.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

series313.0ms

Counts
3 → 9
Calls
3 calls:
52.0ms
(sqrt (+ x 1.0))
82.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
178.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

simplify1.9s

Counts
80 → 80
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01521125
13431018
2891935
32607919
done5000915

prune216.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x))))
0.1b
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
0.1b
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
0.2b
(* (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))))

rewrite532.0ms

Algorithm
rewrite-expression-head
Rules
297×*-un-lft-identity
274×sqrt-prod
157×times-frac
119×add-sqr-sqrt
116×distribute-lft-out
88×add-cube-cbrt
41×swap-sqr
27×associate-*r* associate-*l*
20×pow1
14×associate-/r/
12×associate-/r*
10×add-exp-log add-cbrt-cube
sqrt-pow1 pow1/2 unswap-sqr
flip3-+ flip-+ div-inv
associate-/l*
sqrt-div pow-prod-up
add-log-exp
pow-prod-down pow-sqr
cbrt-undiv rem-sqrt-square frac-2neg div-exp clear-num
pow2 frac-times pow-plus sqrt-unprod associate-*r/ associate-*l/ prod-exp rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 250
Calls
4 calls:
69.0ms
(sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x))))
67.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
87.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
282.0ms
(* (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))))

series1.2s

Counts
4 → 12
Calls
4 calls:
541.0ms
(sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x))))
218.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
228.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
244.0ms
(* (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))))

simplify1.7s

Counts
262 → 262
Iterations

Useful iterations: done (1.7s)

IterNodesCost
03116170
16414386
220044124
done50014023

prune835.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0b

localize17.0ms

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))))
0.2b
(cbrt (+ x 1.0))
0.2b
(cbrt (+ x 1.0))

rewrite110.0ms

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:
49.0ms
(/ 1.0 (+ (* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0)))) (sqrt x)))
48.0ms
(* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0))))
5.0ms
(cbrt (+ x 1.0))
6.0ms
(cbrt (+ x 1.0))

series676.0ms

Counts
4 → 12
Calls
4 calls:
255.0ms
(/ 1.0 (+ (* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0)))) (sqrt x)))
168.0ms
(* (fabs (cbrt (+ x 1.0))) (sqrt (cbrt (+ x 1.0))))
140.0ms
(cbrt (+ x 1.0))
111.0ms
(cbrt (+ x 1.0))

simplify1.6s

Counts
98 → 98
Iterations

Useful iterations: done (1.6s)

IterNodesCost
03282505
18512346
230582209
done50002197

prune456.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0b

regimes65.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
199
done99

end0.0ms

sample1.9s

Algorithm
intervals
Results
602.0ms1186×body640valid
388.0ms1699×body1280valid
307.0ms8200×body80nan
224.0ms4118×body80valid
67.0ms687×body320valid
20.0ms310×body160valid