Details

Time bar (total: 12.5s)

sample69.0ms

Algorithm
intervals
Results
34.0ms124×pre10240exit
10.0ms256×body80valid
4.0ms132×pre80true

simplify10.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
1107
2127
done127

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 8.0b

localize12.0ms

Local error

Found 2 expressions with local error:

0.8b
(/ x0 (- 1.0 x1))
7.5b
(- (/ x0 (- 1.0 x1)) x0)

rewrite179.0ms

Algorithm
rewrite-expression-head
Rules
106×add-sqr-sqrt
103×*-un-lft-identity
76×times-frac
69×add-cube-cbrt
63×prod-diff
21×fma-neg
18×difference-of-squares
17×distribute-lft-out--
10×associate-/r/
flip3-- flip--
associate-/r* div-inv
add-exp-log add-cbrt-cube add-log-exp
associate-/l*
pow1 expm1-log1p-u log1p-expm1-u
cbrt-undiv sub-neg frac-2neg diff-log div-exp clear-num
Counts
2 → 140
Calls
2 calls:
22.0ms
(/ x0 (- 1.0 x1))
138.0ms
(- (/ x0 (- 1.0 x1)) x0)

series129.0ms

Counts
2 → 6
Calls
2 calls:
67.0ms
(/ x0 (- 1.0 x1))
62.0ms
(- (/ x0 (- 1.0 x1)) x0)

simplify2.7s

Counts
146 → 146
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01902805
14222150
29511818
331411524
done50011501

prune170.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 5.1b

localize17.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (cbrt x0) (- 1.0 x1))
6.4b
(fma (/ (* (cbrt x0) (cbrt x0)) 1) (/ (cbrt x0) (- 1.0 x1)) (- x0))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
35×add-sqr-sqrt *-un-lft-identity
30×times-frac
21×add-cube-cbrt
18×cbrt-prod
distribute-lft-out-- difference-of-squares
associate-/l*
associate-/r*
add-exp-log
add-cbrt-cube
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u add-log-exp
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip-- fma-udef div-inv
Counts
2 → 67
Calls
2 calls:
20.0ms
(/ (cbrt x0) (- 1.0 x1))
1.0ms
(fma (/ (* (cbrt x0) (cbrt x0)) 1) (/ (cbrt x0) (- 1.0 x1)) (- x0))

series233.0ms

Counts
2 → 6
Calls
2 calls:
110.0ms
(/ (cbrt x0) (- 1.0 x1))
123.0ms
(fma (/ (* (cbrt x0) (cbrt x0)) 1) (/ (cbrt x0) (- 1.0 x1)) (- x0))

simplify2.0s

Counts
73 → 73
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01511049
1308968
2874878
33337847
done5000811

prune166.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 5.1b

localize17.0ms

Local error

Found 2 expressions with local error:

0.5b
(/ (cbrt x0) (- (sqrt 1.0) (sqrt x1)))
6.7b
(fma (/ (* (cbrt x0) (cbrt x0)) (+ (sqrt 1.0) (sqrt x1))) (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
85×add-sqr-sqrt
57×*-un-lft-identity
54×times-frac
42×sqrt-prod
30×cbrt-prod
29×add-cube-cbrt
28×difference-of-squares
14×distribute-lft-out--
associate-/r*
associate-/l*
add-exp-log
add-cbrt-cube
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u add-log-exp
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip-- fma-udef div-inv
Counts
2 → 95
Calls
2 calls:
21.0ms
(/ (cbrt x0) (- (sqrt 1.0) (sqrt x1)))
1.0ms
(fma (/ (* (cbrt x0) (cbrt x0)) (+ (sqrt 1.0) (sqrt x1))) (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0))

series581.0ms

Counts
2 → 6
Calls
2 calls:
317.0ms
(/ (cbrt x0) (- (sqrt 1.0) (sqrt x1)))
264.0ms
(fma (/ (* (cbrt x0) (cbrt x0)) (+ (sqrt 1.0) (sqrt x1))) (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0))

simplify1.1s

Counts
101 → 101
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02212097
15161968
216371820
done50011763

prune280.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 5.1b

localize24.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (pow (fma (/ (pow x0 2/3) (+ (sqrt 1.0) (sqrt x1))) (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0)) 3))
0.5b
(/ (cbrt x0) (- (sqrt 1.0) (sqrt x1)))
0.7b
(pow (fma (/ (pow x0 2/3) (+ (sqrt 1.0) (sqrt x1))) (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0)) 3)
6.7b
(fma (/ (pow x0 2/3) (+ (sqrt 1.0) (sqrt x1))) (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
93×add-sqr-sqrt
65×*-un-lft-identity
54×times-frac
42×cbrt-prod sqrt-prod
37×add-cube-cbrt
28×difference-of-squares
14×distribute-lft-out--
associate-/r*
add-exp-log
unpow-prod-down cube-prod add-cbrt-cube associate-/l*
pow1
expm1-log1p-u log1p-expm1-u add-log-exp
pow-unpow
cube-mult unpow3 associate-/r/ sqr-pow
cbrt-undiv pow-to-exp flip3-- pow-pow frac-2neg pow1/3 div-exp pow-exp clear-num flip-- rem-cbrt-cube fma-udef div-inv rem-cube-cbrt
Counts
4 → 143
Calls
4 calls:
3.0ms
(cbrt (pow (fma (/ (pow x0 2/3) (+ (sqrt 1.0) (sqrt x1))) (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0)) 3))
28.0ms
(/ (cbrt x0) (- (sqrt 1.0) (sqrt x1)))
3.0ms
(pow (fma (/ (pow x0 2/3) (+ (sqrt 1.0) (sqrt x1))) (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0)) 3)
0.0ms
(fma (/ (pow x0 2/3) (+ (sqrt 1.0) (sqrt x1))) (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0))

series1.3s

Counts
4 → 12
Calls
4 calls:
275.0ms
(cbrt (pow (fma (/ (pow x0 2/3) (+ (sqrt 1.0) (sqrt x1))) (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0)) 3))
337.0ms
(/ (cbrt x0) (- (sqrt 1.0) (sqrt x1)))
401.0ms
(pow (fma (/ (pow x0 2/3) (+ (sqrt 1.0) (sqrt x1))) (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0)) 3)
251.0ms
(fma (/ (pow x0 2/3) (+ (sqrt 1.0) (sqrt x1))) (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0))

simplify1.3s

Counts
155 → 155
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02994115
17163690
223993355
done50003351

prune527.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 5.1b

regimes77.0ms

Accuracy

0% (1.8b remaining)

Error of 6.7b against oracle of 4.9b and baseline of 6.7b

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
02026
12325
done2325

end0.0ms

sample1.5s

Algorithm
intervals
Results
578.0ms3924×pre10240exit
541.0ms8000×body80valid
81.0ms4076×pre80true