Details

Time bar (total: 7.8s)

sample30.0ms

Algorithm
intervals
Results
6.0ms62×body640valid
5.0ms275×body80nan
4.0ms140×body80valid
3.0ms27×body1280valid
1.0ms14×body320valid
1.0ms13×body160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0811
11111
21411
done1411

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 19.1b

localize7.0ms

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))
3.6b
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

rewrite67.0ms

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:
4.0ms
(sqrt (+ x 1.0))
6.0ms
(/ 1.0 (sqrt (+ x 1.0)))
3.0ms
(/ 1.0 (sqrt x))
48.0ms
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

series298.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(sqrt (+ x 1.0))
80.0ms
(/ 1.0 (sqrt (+ x 1.0)))
40.0ms
(/ 1.0 (sqrt x))
146.0ms
(- (/ 1.0 (sqrt x)) (/ 1.0 (sqrt (+ x 1.0))))

simplify1.4s

Counts
145 → 145
Iterations

Useful iterations: 3 (611.0ms)

IterNodesCost
02151942
14441778
210801696
329861673
done50001673

prune314.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 18.5b

localize8.0ms

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))))
0.3b
(* (sqrt x) (sqrt (+ x 1.0)))
3.6b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite75.0ms

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:
4.0ms
(sqrt (+ x 1.0))
29.0ms
(/ (* 1.0 (- (sqrt (+ x 1.0)) (sqrt x))) (* (sqrt x) (sqrt (+ x 1.0))))
14.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
25.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series425.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(sqrt (+ x 1.0))
260.0ms
(/ (* 1.0 (- (sqrt (+ x 1.0)) (sqrt x))) (* (sqrt x) (sqrt (+ x 1.0))))
60.0ms
(* (sqrt x) (sqrt (+ x 1.0)))
74.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify648.0ms

Counts
105 → 105
Iterations

Useful iterations: done (646.0ms)

IterNodesCost
01891624
15111459
220841222
done50001213

prune244.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 17.9b

localize15.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (* 1.0 (- (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* (sqrt x) (sqrt x)))) (+ (* (sqrt x) (+ x 1.0)) (* (sqrt (+ x 1.0)) x)))
0.3b
(* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))
0.5b
(* (sqrt x) (sqrt x))
2.9b
(- (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* (sqrt x) (sqrt x)))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
46×add-sqr-sqrt
44×sqrt-prod
36×*-un-lft-identity
34×pow1
22×add-cube-cbrt
19×swap-sqr
16×sqrt-pow1 pow1/2 sqrt-div
13×add-exp-log associate-*r* associate-*l* add-cbrt-cube
11×flip3-+ flip-+
10×pow-prod-up
associate-*r/ unswap-sqr
pow-prod-down associate-*l/ associate-/r/ pow-sqr distribute-lft-out add-log-exp
frac-times frac-add
times-frac prod-exp associate-/r* cbrt-unprod
cbrt-undiv pow2 flip3-- pow-plus sqrt-unprod div-exp rem-square-sqrt *-commutative flip-- associate-/l/
sub-neg frac-2neg diff-log clear-num div-inv associate-/l* difference-of-squares
Counts
4 → 153
Calls
4 calls:
30.0ms
(/ (* 1.0 (- (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* (sqrt x) (sqrt x)))) (+ (* (sqrt x) (+ x 1.0)) (* (sqrt (+ x 1.0)) x)))
21.0ms
(* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))
7.0ms
(* (sqrt x) (sqrt x))
12.0ms
(- (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* (sqrt x) (sqrt x)))

series332.0ms

Counts
4 → 12
Calls
4 calls:
283.0ms
(/ (* 1.0 (- (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* (sqrt x) (sqrt x)))) (+ (* (sqrt x) (+ x 1.0)) (* (sqrt (+ x 1.0)) x)))
16.0ms
(* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))
15.0ms
(* (sqrt x) (sqrt x))
17.0ms
(- (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* (sqrt x) (sqrt x)))

simplify966.0ms

Counts
165 → 165
Iterations

Useful iterations: done (961.0ms)

IterNodesCost
02633042
16751840
226451647
done50001644

prune322.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.3b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* (sqrt x) (+ x 1.0)) (* (sqrt (+ x 1.0)) x))
0.1b
(* (sqrt (+ x 1.0)) x)
0.1b
(* (sqrt x) (+ x 1.0))
0.4b
(/ (* 1.0 1.0) (+ (* (sqrt x) (+ x 1.0)) (* (sqrt (+ x 1.0)) x)))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
16×*-un-lft-identity
13×add-exp-log associate-*l* add-cbrt-cube
12×add-cube-cbrt flip3-+ flip-+
10×sqrt-div associate-*r/ associate-*l/
sqrt-prod
pow1 frac-add
associate-*r*
associate-/r/ add-log-exp
unswap-sqr
times-frac prod-exp associate-/r* cbrt-unprod
cbrt-undiv distribute-rgt-in associate-+l+ distribute-lft-in div-exp pow-prod-down *-commutative distribute-lft-out
+-commutative frac-2neg clear-num sum-log div-inv associate-/l*
Counts
4 → 96
Calls
4 calls:
6.0ms
(+ (* (sqrt x) (+ x 1.0)) (* (sqrt (+ x 1.0)) x))
12.0ms
(* (sqrt (+ x 1.0)) x)
11.0ms
(* (sqrt x) (+ x 1.0))
12.0ms
(/ (* 1.0 1.0) (+ (* (sqrt x) (+ x 1.0)) (* (sqrt (+ x 1.0)) x)))

series538.0ms

Counts
4 → 12
Calls
4 calls:
146.0ms
(+ (* (sqrt x) (+ x 1.0)) (* (sqrt (+ x 1.0)) x))
74.0ms
(* (sqrt (+ x 1.0)) x)
51.0ms
(* (sqrt x) (+ x 1.0))
267.0ms
(/ (* 1.0 1.0) (+ (* (sqrt x) (+ x 1.0)) (* (sqrt (+ x 1.0)) x)))

simplify795.0ms

Counts
108 → 108
Iterations

Useful iterations: done (792.0ms)

IterNodesCost
02352038
16391902
222031728
done50001719

prune258.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.2b

regimes37.0ms

Accuracy

0% (0.2b remaining)

Error of 0.7b against oracle of 0.5b and baseline of 0.7b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01224
11724
done1724

end0.0ms

sample835.0ms

Algorithm
intervals
Results
172.0ms1782×body640valid
169.0ms7968×body80nan
147.0ms1174×body1280valid
105.0ms4128×body80valid
43.0ms607×body320valid
15.0ms309×body160valid