Details

Time bar (total: 7.7s)

sample27.0ms

Algorithm
intervals
Results
5.0ms58×body1280valid
4.0ms226×body80nan
3.0ms42×body640valid
3.0ms123×body80valid
1.0ms23×body320valid
0.0ms10×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: 31.7b

localize6.0ms

Local error

Found 1 expressions with local error:

3.0b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
57×sqrt-prod
50×*-un-lft-identity
42×prod-diff
37×add-sqr-sqrt
29×add-cube-cbrt
distribute-lft-out
fma-neg
difference-of-squares
distribute-lft-out-- add-log-exp
pow1 add-exp-log expm1-log1p-u sub-neg flip3-- diff-log add-cbrt-cube flip-- log1p-expm1-u
Counts
1 → 70
Calls
1 calls:
27.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series71.0ms

Counts
1 → 3
Calls
1 calls:
71.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify946.0ms

Counts
73 → 73
Iterations

Useful iterations: done (943.0ms)

IterNodesCost
01171805
12481268
2595970
31902800
done5001793

prune100.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (sqrt x) (sqrt (+ x 1.0)))
0.2b
(/ (+ 0 1.0) (+ (sqrt x) (sqrt (+ x 1.0))))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
72×*-un-lft-identity
31×distribute-lft-out
27×sqrt-prod
24×times-frac
16×add-sqr-sqrt add-cube-cbrt
fma-def associate-/r*
add-exp-log add-cbrt-cube associate-/l* add-log-exp
flip3-+ flip-+
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u associate-/l/
cbrt-undiv +-commutative frac-2neg div-exp clear-num sum-log div-inv
Counts
2 → 74
Calls
2 calls:
13.0ms
(+ (sqrt x) (sqrt (+ x 1.0)))
26.0ms
(/ (+ 0 1.0) (+ (sqrt x) (sqrt (+ x 1.0))))

series199.0ms

Counts
2 → 6
Calls
2 calls:
66.0ms
(+ (sqrt x) (sqrt (+ x 1.0)))
133.0ms
(/ (+ 0 1.0) (+ (sqrt x) (sqrt (+ x 1.0))))

simplify1.4s

Counts
80 → 80
Iterations

Useful iterations: 3 (719.0ms)

IterNodesCost
01431265
13581018
2969937
33477922
done5000922

prune187.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (sqrt (sqrt x)) (sqrt (sqrt x)) (sqrt (+ x 1.0)))
0.1b
(sqrt (sqrt x))
0.1b
(sqrt (sqrt x))
0.2b
(/ (+ 0 1.0) (fma (sqrt (sqrt x)) (sqrt (sqrt x)) (sqrt (+ x 1.0))))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
25×*-un-lft-identity
21×add-sqr-sqrt
20×sqrt-prod
17×add-cube-cbrt
12×times-frac
pow1 sqrt-pow1
add-exp-log add-cbrt-cube
expm1-log1p-u rem-sqrt-square pow1/2 log1p-expm1-u distribute-lft-out associate-/l* add-log-exp
associate-/r*
associate-/l/
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ fma-udef div-inv
Counts
4 → 87
Calls
4 calls:
0.0ms
(fma (sqrt (sqrt x)) (sqrt (sqrt x)) (sqrt (+ x 1.0)))
1.0ms
(sqrt (sqrt x))
5.0ms
(sqrt (sqrt x))
8.0ms
(/ (+ 0 1.0) (fma (sqrt (sqrt x)) (sqrt (sqrt x)) (sqrt (+ x 1.0))))

series625.0ms

Counts
4 → 12
Calls
4 calls:
137.0ms
(fma (sqrt (sqrt x)) (sqrt (sqrt x)) (sqrt (+ x 1.0)))
139.0ms
(sqrt (sqrt x))
138.0ms
(sqrt (sqrt x))
211.0ms
(/ (+ 0 1.0) (fma (sqrt (sqrt x)) (sqrt (sqrt x)) (sqrt (+ x 1.0))))

simplify693.0ms

Counts
99 → 99
Iterations

Useful iterations: 2 (270.0ms)

IterNodesCost
02091590
15141156
216821033
done50001033

prune282.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (+ 0 1.0) (fma (* (sqrt (fabs (cbrt x))) (sqrt (sqrt (cbrt x)))) (sqrt (sqrt x)) (sqrt (+ x 1.0))))
0.3b
(* (sqrt (fabs (cbrt x))) (sqrt (sqrt (cbrt x))))
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
32×sqrt-prod
29×*-un-lft-identity
21×add-cube-cbrt
12×times-frac associate-*r*
11×cbrt-prod
pow1 add-exp-log add-cbrt-cube unswap-sqr
associate-*l*
expm1-log1p-u log1p-expm1-u distribute-lft-out associate-/l* add-log-exp
pow-prod-down associate-/r*
sqrt-pow1 pow1/2 pow1/3 associate-/l/
cbrt-undiv frac-2neg flip3-+ sqrt-unprod div-exp prod-exp clear-num *-commutative cbrt-unprod flip-+ div-inv
Counts
4 → 103
Calls
4 calls:
8.0ms
(/ (+ 0 1.0) (fma (* (sqrt (fabs (cbrt x))) (sqrt (sqrt (cbrt x)))) (sqrt (sqrt x)) (sqrt (+ x 1.0))))
11.0ms
(* (sqrt (fabs (cbrt x))) (sqrt (sqrt (cbrt x))))
0.0ms
(cbrt x)
1.0ms
(cbrt x)

series910.0ms

Counts
4 → 12
Calls
4 calls:
266.0ms
(/ (+ 0 1.0) (fma (* (sqrt (fabs (cbrt x))) (sqrt (sqrt (cbrt x)))) (sqrt (sqrt x)) (sqrt (+ x 1.0))))
283.0ms
(* (sqrt (fabs (cbrt x))) (sqrt (sqrt (cbrt x))))
184.0ms
(cbrt x)
176.0ms
(cbrt x)

simplify819.0ms

Counts
115 → 115
Iterations

Useful iterations: done (815.0ms)

IterNodesCost
02802515
16642279
222452140
done50012137

prune484.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

regimes37.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01621
11919
done1919

end0.0ms

sample744.0ms

Algorithm
intervals
Results
171.0ms1746×body1280valid
153.0ms7984×body80nan
98.0ms1276×body640valid
84.0ms4049×body80valid
34.0ms615×body320valid
12.0ms314×body160valid