Details

Time bar (total: 11.9s)

sample89.0ms

Algorithm
intervals
Results
25.0ms309×body80nan
19.0ms72×body640valid
12.0ms38×body1280valid
8.0ms117×body80valid
4.0ms23×body320valid
1.0msbody160valid

simplify11.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0811
11111
21411
done1411

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 23.0b

localize17.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ 1.0 (sqrt (+ x 1.0)))
0.3b
(/ 1.0 (sqrt x))
2.4b
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

rewrite116.0ms

Algorithm
rewrite-expression-head
Rules
71×*-un-lft-identity
70×add-sqr-sqrt
69×times-frac
46×sqrt-prod
40×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
div-inv
pow1
cbrt-undiv frac-2neg sqrt-div div-exp clear-num associate-/r/
sub-neg flip3-- flip3-+ diff-log frac-sub flip-- flip-+
Counts
3 → 117
Calls
3 calls:
13.0ms
(/ 1.0 (sqrt (+ x 1.0)))
6.0ms
(/ 1.0 (sqrt x))
87.0ms
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

series320.0ms

Counts
3 → 9
Calls
3 calls:
112.0ms
(/ 1.0 (sqrt (+ x 1.0)))
51.0ms
(/ 1.0 (sqrt x))
156.0ms
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

simplify1.8s

Counts
126 → 126
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02011764
14111621
29571551
323671528
done50011517

prune415.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 22.4b

localize10.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (* 1.0 (- (sqrt (+ x 1.0)) (sqrt x))) (* (sqrt x) (sqrt (+ x 1.0))))
0.3b
(* (sqrt x) (sqrt (+ x 1.0)))
2.4b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite203.0ms

Algorithm
rewrite-expression-head
Rules
23×add-sqr-sqrt
19×sqrt-prod
17×add-exp-log add-cbrt-cube
16×*-un-lft-identity
pow1 add-cube-cbrt associate-*r*
associate-*r/ associate-*l*
prod-exp cbrt-unprod add-log-exp
cbrt-undiv sqrt-div div-exp difference-of-squares unswap-sqr
pow-prod-down distribute-lft-out--
flip3-- sqrt-pow1 flip3-+ pow1/2 associate-/r/ flip-- flip-+ associate-/l/ distribute-lft-out
sub-neg frac-2neg times-frac sqrt-unprod diff-log clear-num associate-/r* *-commutative div-inv associate-/l*
Counts
3 → 77
Calls
3 calls:
77.0ms
(/ (* 1.0 (- (sqrt (+ x 1.0)) (sqrt x))) (* (sqrt x) (sqrt (+ x 1.0))))
46.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
78.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series553.0ms

Counts
3 → 9
Calls
3 calls:
390.0ms
(/ (* 1.0 (- (sqrt (+ x 1.0)) (sqrt x))) (* (sqrt x) (sqrt (+ x 1.0))))
76.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
87.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify1.3s

Counts
86 → 86
Iterations

Useful iterations: 2 (455.0ms)

IterNodesCost
01801446
14831304
219851071
done50011071

prune253.0ms

Pruning

17 alts after pruning (17 fresh and 0 done)

Merged error: 21.8b

localize13.0ms

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))))
0.3b
(* (sqrt x) (sqrt (+ x 1.0)))
1.7b
(- (+ x 1.0) x)

rewrite267.0ms

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:
112.0ms
(/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))
77.0ms
(/ (* 1.0 (/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))) (* (sqrt x) (sqrt (+ x 1.0))))
28.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
44.0ms
(- (+ x 1.0) x)

series764.0ms

Counts
4 → 12
Calls
4 calls:
156.0ms
(/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))
541.0ms
(/ (* 1.0 (/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))) (* (sqrt x) (sqrt (+ x 1.0))))
65.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
1.0ms
(- (+ x 1.0) x)

simplify1.5s

Counts
155 → 155
Iterations

Useful iterations: 2 (480.0ms)

IterNodesCost
02693162
17262927
230262509
done50002509

prune325.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.3b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (sqrt (+ x 1.0)) (sqrt x))
0.2b
(/ 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))))
0.3b
(* (sqrt x) (sqrt (+ x 1.0)))

rewrite158.0ms

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:
32.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
46.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
49.0ms
(/ (* 1.0 (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))) (* (sqrt x) (sqrt (+ x 1.0))))
26.0ms
(* (sqrt x) (sqrt (+ x 1.0)))

series784.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
149.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
510.0ms
(/ (* 1.0 (/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))) (* (sqrt x) (sqrt (+ x 1.0))))
59.0ms
(* (sqrt x) (sqrt (+ x 1.0)))

simplify958.0ms

Counts
128 → 128
Iterations

Useful iterations: 2 (411.0ms)

IterNodesCost
02502311
16542082
225411730
done50001730

prune283.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

regimes41.0ms

Accuracy

0% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.3b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01018
11318
done1318

end0.0ms

sample1.7s

Algorithm
intervals
Results
525.0ms1807×body640valid
366.0ms1143×body1280valid
321.0ms8101×body80nan
141.0ms4128×body80valid
91.0ms609×body320valid
22.0ms313×body160valid