Details

Time bar (total: 18.2s)

sample72.0ms

Algorithm
intervals
Results
21.0ms32×body1280valid
14.0ms72×body640valid
8.0ms198×body80nan
7.0ms121×body80valid
3.0ms21×body320valid
1.0ms10×body160valid

simplify6.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0811
11111
21411
done1411

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 19.3b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ x 1.0))
0.2b
(/ 1.0 (sqrt (+ x 1.0)))
0.3b
(/ 1.0 (sqrt x))
2.5b
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

rewrite165.0ms

Algorithm
rewrite-expression-head
Rules
75×*-un-lft-identity
73×add-sqr-sqrt
69×times-frac
50×sqrt-prod
42×add-cube-cbrt
13×associate-/r*
11×distribute-lft-out--
difference-of-squares
add-exp-log add-cbrt-cube distribute-lft-out
associate-/l* add-log-exp
pow1
sqrt-div div-inv
cbrt-undiv frac-2neg flip3-+ div-exp clear-num associate-/r/ flip-+
sub-neg rem-sqrt-square flip3-- sqrt-pow1 pow1/2 diff-log frac-sub flip--
Counts
4 → 133
Calls
4 calls:
14.0ms
(sqrt (+ x 1.0))
25.0ms
(/ 1.0 (sqrt (+ x 1.0)))
13.0ms
(/ 1.0 (sqrt x))
103.0ms
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

series383.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(sqrt (+ x 1.0))
97.0ms
(/ 1.0 (sqrt (+ x 1.0)))
66.0ms
(/ 1.0 (sqrt x))
175.0ms
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

simplify2.3s

Counts
145 → 145
Iterations

Useful iterations: done (2.3s)

IterNodesCost
02151942
14441778
210511698
326471673
done50001657

prune551.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 18.7b

localize33.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1.0 (sqrt (+ x 1.0)))
0.2b
(/ (* 1.0 (- (/ 1.0 x) (/ 1.0 (+ x 1.0)))) (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))))
0.3b
(/ 1.0 (sqrt x))
2.7b
(- (/ 1.0 x) (/ 1.0 (+ x 1.0)))

rewrite296.0ms

Algorithm
rewrite-expression-head
Rules
124×*-un-lft-identity
105×times-frac
65×add-sqr-sqrt
53×add-cube-cbrt
52×sqrt-prod
35×distribute-lft-out
27×associate-/r*
13×add-exp-log add-cbrt-cube
div-inv
distribute-lft-out--
associate-/l*
add-log-exp
associate-/r/
pow1 cbrt-undiv div-exp difference-of-squares
frac-2neg associate-*r/ clear-num associate-/l/
flip3-- flip3-+ sqrt-div frac-sub flip-- flip-+
sub-neg diff-log frac-add prod-exp cbrt-unprod
Counts
4 → 158
Calls
4 calls:
22.0ms
(/ 1.0 (sqrt (+ x 1.0)))
197.0ms
(/ (* 1.0 (- (/ 1.0 x) (/ 1.0 (+ x 1.0)))) (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))))
12.0ms
(/ 1.0 (sqrt x))
57.0ms
(- (/ 1.0 x) (/ 1.0 (+ x 1.0)))

series881.0ms

Counts
4 → 12
Calls
4 calls:
115.0ms
(/ 1.0 (sqrt (+ x 1.0)))
647.0ms
(/ (* 1.0 (- (/ 1.0 x) (/ 1.0 (+ x 1.0)))) (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))))
61.0ms
(/ 1.0 (sqrt x))
57.0ms
(- (/ 1.0 x) (/ 1.0 (+ x 1.0)))

simplify2.0s

Counts
170 → 170
Iterations

Useful iterations: done (2.0s)

IterNodesCost
03393045
18222803
225592592
done50012590

prune593.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.9b

localize39.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1.0 (sqrt (+ x 1.0)))
0.3b
(/ 1.0 (sqrt x))
2.2b
(- (* 1.0 (+ x 1.0)) (* x 1.0))
3.4b
(* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0)))

rewrite434.0ms

Algorithm
rewrite-expression-head
Rules
73×*-un-lft-identity
57×times-frac
42×add-sqr-sqrt add-cube-cbrt
40×sqrt-prod
18×distribute-lft-out
14×associate-*l*
13×add-exp-log associate-/r* add-cbrt-cube
10×associate-*r/
pow1
flip3-+ flip-+
frac-times associate-/l* add-log-exp
distribute-rgt-in distribute-lft-in
div-inv
pow-prod-down associate-*l/ frac-add prod-exp cbrt-unprod
cbrt-undiv frac-2neg sqrt-div div-exp associate--l+ clear-num associate-/r/
sub-neg flip3-- diff-log associate-*r* *-commutative flip--
Counts
4 → 142
Calls
4 calls:
14.0ms
(/ 1.0 (sqrt (+ x 1.0)))
6.0ms
(/ 1.0 (sqrt x))
14.0ms
(- (* 1.0 (+ x 1.0)) (* x 1.0))
393.0ms
(* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0)))

series633.0ms

Counts
4 → 12
Calls
4 calls:
121.0ms
(/ 1.0 (sqrt (+ x 1.0)))
54.0ms
(/ 1.0 (sqrt x))
1.0ms
(- (* 1.0 (+ x 1.0)) (* x 1.0))
456.0ms
(* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0)))

simplify1.9s

Counts
154 → 154
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02842489
17262318
226532121
done50022119

prune671.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.9b

localize18.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1.0 (sqrt (+ x 1.0)))
0.3b
(/ 1.0 (sqrt x))
0.8b
(/ (* 1.0 1.0) (* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0))))
3.4b
(* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0)))

rewrite484.0ms

Algorithm
rewrite-expression-head
Rules
73×*-un-lft-identity
58×times-frac
42×add-sqr-sqrt add-cube-cbrt
40×sqrt-prod
34×add-exp-log add-cbrt-cube
20×associate-*r/
18×distribute-lft-out
15×flip3-+ flip-+
14×associate-*l* associate-/r*
13×associate-/r/
12×frac-times prod-exp cbrt-unprod
pow1
cbrt-undiv div-exp
associate-/l*
associate-*l/ frac-add
div-inv
distribute-rgt-in distribute-lft-in add-log-exp
frac-2neg pow-prod-down clear-num
sqrt-div
associate-*r* *-commutative
Counts
4 → 164
Calls
4 calls:
13.0ms
(/ 1.0 (sqrt (+ x 1.0)))
6.0ms
(/ 1.0 (sqrt x))
137.0ms
(/ (* 1.0 1.0) (* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0))))
316.0ms
(* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0)))

series1.4s

Counts
4 → 12
Calls
4 calls:
103.0ms
(/ 1.0 (sqrt (+ x 1.0)))
45.0ms
(/ 1.0 (sqrt x))
765.0ms
(/ (* 1.0 1.0) (* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0))))
472.0ms
(* (+ (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0)))) (* x (+ x 1.0)))

simplify2.5s

Counts
176 → 176
Iterations

Useful iterations: 2 (1.2s)

IterNodesCost
03593687
19883475
241123014
done50003014

prune528.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.6b

regimes54.0ms

Accuracy

0% (0.3b remaining)

Error of 0.8b against oracle of 0.5b and baseline of 0.8b

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01221
11621
done1621

end0.0ms

sample2.2s

Algorithm
intervals
Results
731.0ms1173×body1280valid
445.0ms1857×body640valid
400.0ms8006×body80nan
177.0ms3994×body80valid
87.0ms659×body320valid
27.0ms317×body160valid