Details

Time bar (total: 13.3s)

sample71.0ms

Algorithm
intervals
Results
13.0ms56×body640valid
13.0ms251×body80nan
12.0ms134×body80valid
11.0ms36×body1280valid
3.0ms19×body320valid
1.0ms11×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: 17.9b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ x 1.0))
0.1b
(/ 1.0 (sqrt (+ x 1.0)))
0.2b
(/ 1.0 (sqrt x))
3.3b
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

rewrite131.0ms

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:
8.0ms
(sqrt (+ x 1.0))
22.0ms
(/ 1.0 (sqrt (+ x 1.0)))
7.0ms
(/ 1.0 (sqrt x))
88.0ms
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

series351.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(sqrt (+ x 1.0))
89.0ms
(/ 1.0 (sqrt (+ x 1.0)))
41.0ms
(/ 1.0 (sqrt x))
179.0ms
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

simplify2.1s

Counts
145 → 145
Iterations

Useful iterations: done (2.1s)

IterNodesCost
02151942
14441778
210511698
326471673
done50001657

prune563.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 17.3b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ x 1.0))
0.1b
(/ (* 1.0 (- (sqrt (+ x 1.0)) (sqrt x))) (* (sqrt x) (sqrt (+ x 1.0))))
0.2b
(* (sqrt x) (sqrt (+ x 1.0)))
3.3b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite222.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
23×sqrt-prod
20×*-un-lft-identity
18×add-exp-log add-cbrt-cube
pow1 add-cube-cbrt
associate-*r*
sqrt-div associate-*r/ associate-*l* add-log-exp
prod-exp cbrt-unprod
cbrt-undiv div-exp difference-of-squares unswap-sqr
sqrt-pow1 flip3-+ pow1/2 pow-prod-down flip-+ distribute-lft-out distribute-lft-out--
flip3-- associate-/r/ flip-- associate-/l/
sub-neg rem-sqrt-square frac-2neg times-frac sqrt-unprod diff-log clear-num associate-/r* *-commutative div-inv associate-/l*
Counts
4 → 93
Calls
4 calls:
8.0ms
(sqrt (+ x 1.0))
116.0ms
(/ (* 1.0 (- (sqrt (+ x 1.0)) (sqrt x))) (* (sqrt x) (sqrt (+ x 1.0))))
37.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
56.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series558.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(sqrt (+ x 1.0))
367.0ms
(/ (* 1.0 (- (sqrt (+ x 1.0)) (sqrt x))) (* (sqrt x) (sqrt (+ x 1.0))))
63.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
88.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify1.3s

Counts
105 → 105
Iterations

Useful iterations: 2 (383.0ms)

IterNodesCost
01891624
15021459
220281218
done50001218

prune363.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 16.9b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))
0.1b
(/ (* 1.0 (/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))) (* (sqrt x) (sqrt (+ x 1.0))))
0.2b
(* (sqrt x) (sqrt (+ x 1.0)))
2.9b
(- (+ x 1.0) x)

rewrite360.0ms

Algorithm
rewrite-expression-head
Rules
113×*-un-lft-identity
46×add-sqr-sqrt
39×sqrt-prod
37×times-frac distribute-lft-out
29×add-exp-log add-cbrt-cube
22×add-cube-cbrt
16×distribute-lft-out--
cbrt-undiv div-exp add-log-exp
pow1 prod-exp cbrt-unprod difference-of-squares
associate-*r* associate-/r* associate-/l*
associate-*l*
associate-*r/
sqrt-div associate-/r/ unswap-sqr
flip3-+ pow-prod-down flip-+ associate-/l/
flip3-- frac-2neg sqrt-pow1 pow1/2 diff-log clear-num flip-- div-inv
sub-neg sqrt-unprod div-sub associate--l+ sum-log *-commutative
Counts
4 → 143
Calls
4 calls:
137.0ms
(/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))
110.0ms
(/ (* 1.0 (/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))) (* (sqrt x) (sqrt (+ x 1.0))))
40.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
65.0ms
(- (+ x 1.0) x)

series988.0ms

Counts
4 → 12
Calls
4 calls:
201.0ms
(/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))
716.0ms
(/ (* 1.0 (/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))) (* (sqrt x) (sqrt (+ x 1.0))))
70.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
1.0ms
(- (+ x 1.0) x)

simplify1.5s

Counts
155 → 155
Iterations

Useful iterations: 2 (556.0ms)

IterNodesCost
02693162
17262927
230262509
done50002509

prune393.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.2b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (sqrt (+ x 1.0)) (sqrt x))
0.1b
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
0.2b
(/ (* 1.0 (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))) (* (sqrt x) (sqrt (+ x 1.0))))
0.2b
(* (sqrt x) (sqrt (+ x 1.0)))

rewrite214.0ms

Algorithm
rewrite-expression-head
Rules
56×*-un-lft-identity
31×sqrt-prod
29×add-exp-log add-cbrt-cube
27×add-sqr-sqrt
21×distribute-lft-out
19×add-cube-cbrt times-frac
cbrt-undiv div-exp
pow1 prod-exp cbrt-unprod
associate-*r* associate-/r*
associate-*l* add-log-exp
associate-*r/
flip3-+ sqrt-div associate-/r/ flip-+ associate-/l* unswap-sqr
pow-prod-down
frac-2neg sqrt-pow1 pow1/2 clear-num div-inv
+-commutative sqrt-unprod sum-log *-commutative associate-/l/
Counts
4 → 116
Calls
4 calls:
35.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
77.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
64.0ms
(/ (* 1.0 (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))) (* (sqrt x) (sqrt (+ x 1.0))))
32.0ms
(* (sqrt x) (sqrt (+ x 1.0)))

series913.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
154.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
620.0ms
(/ (* 1.0 (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))) (* (sqrt x) (sqrt (+ x 1.0))))
64.0ms
(* (sqrt x) (sqrt (+ x 1.0)))

simplify1.0s

Counts
128 → 128
Iterations

Useful iterations: 2 (427.0ms)

IterNodesCost
02502311
16542082
225411730
done50001730

prune286.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

regimes34.0ms

Accuracy

0% (0.3b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 0.3b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01018
11418
done1418

end0.0ms

sample1.8s

Algorithm
intervals
Results
592.0ms1136×body1280valid
398.0ms1923×body640valid
223.0ms8028×body80nan
212.0ms4096×body80valid
58.0ms564×body320valid
18.0ms281×body160valid