Details

Time bar (total: 18.6s)

sample46.0ms

Algorithm
intervals
Results
15.0ms309×body80nan
6.0ms59×body1280valid
4.0ms51×body640valid
4.0ms117×body80valid
1.0ms23×body320valid
0.0msbody160valid

simplify6.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
1107
done107

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.2b

localize12.0ms

Local error

Found 1 expressions with local error:

2.4b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite98.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
*-un-lft-identity sqrt-prod
difference-of-squares
distribute-lft-out-- add-log-exp
pow1 add-exp-log add-cube-cbrt sub-neg flip3-- diff-log add-cbrt-cube flip-- distribute-lft-out
Counts
1 → 19
Calls
1 calls:
86.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series94.0ms

Counts
1 → 3
Calls
1 calls:
93.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify1.1s

Counts
22 → 22
Iterations

Useful iterations: done (1.1s)

IterNodesCost
059310
1348285
done5001259

prune76.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 32.6b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (sqrt (+ x 1.0)) (sqrt x))
0.0b
(/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))
1.7b
(- (+ x 1.0) x)

rewrite266.0ms

Algorithm
rewrite-expression-head
Rules
113×*-un-lft-identity
40×distribute-lft-out
36×times-frac
33×add-sqr-sqrt
32×sqrt-prod
17×add-cube-cbrt
16×distribute-lft-out--
10×add-log-exp
difference-of-squares
associate-/r* associate-/l*
add-exp-log add-cbrt-cube
pow1
flip3-- flip3-+ diff-log sum-log associate-/r/ flip-- flip-+ associate-/l/
cbrt-undiv +-commutative sub-neg frac-2neg div-sub div-exp associate--l+ clear-num div-inv
Counts
3 → 96
Calls
3 calls:
43.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
157.0ms
(/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))
57.0ms
(- (+ x 1.0) x)

series269.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
195.0ms
(/ (- (+ x 1.0) x) (+ (sqrt (+ x 1.0)) (sqrt x)))
2.0ms
(- (+ x 1.0) x)

simplify3.8s

Counts
105 → 105
Iterations

Useful iterations: done (3.8s)

IterNodesCost
01611866
118931734
done50001658

prune259.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize10.0ms

Local error

Found 2 expressions with local error:

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

rewrite116.0ms

Algorithm
rewrite-expression-head
Rules
48×*-un-lft-identity
20×sqrt-prod distribute-lft-out
18×times-frac
13×add-sqr-sqrt add-cube-cbrt
associate-/r*
add-exp-log add-cbrt-cube add-log-exp
associate-/l*
pow1 flip3-+ associate-/r/ flip-+
cbrt-undiv +-commutative frac-2neg div-exp clear-num sum-log div-inv
Counts
2 → 55
Calls
2 calls:
45.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
66.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

series306.0ms

Counts
2 → 6
Calls
2 calls:
81.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
225.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))

simplify3.8s

Counts
61 → 61
Iterations

Useful iterations: done (3.8s)

IterNodesCost
0128947
11863856
done5001788

prune216.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize24.0ms

Local error

Found 4 expressions with local error:

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

rewrite486.0ms

Algorithm
rewrite-expression-head
Rules
742×*-un-lft-identity
700×sqrt-prod
594×times-frac
280×distribute-lft-out
254×add-sqr-sqrt
252×add-cube-cbrt
36×associate-/l*
28×sqrt-div
24×associate-/r/
18×associate-/r*
14×flip3-+ flip-+
12×div-inv
11×add-exp-log add-cbrt-cube
pow1
cbrt-undiv div-exp add-log-exp
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 clear-num
associate-/l/
Counts
4 → 445
Calls
4 calls:
65.0ms
(sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))
47.0ms
(sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))
81.0ms
(/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
243.0ms
(/ (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))

series1.2s

Counts
4 → 12
Calls
4 calls:
208.0ms
(sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))
223.0ms
(sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))
515.0ms
(/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
210.0ms
(/ (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))

simplify3.4s

Counts
457 → 457
Iterations

Useful iterations: done (3.3s)

IterNodesCost
044015237
1373712212
done500011813

prune879.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

regimes59.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
199
done99

end0.0ms

sample2.1s

Algorithm
intervals
Results
691.0ms4137×body80valid
346.0ms1721×body1280valid
331.0ms8101×body80nan
241.0ms1224×body640valid
96.0ms610×body320valid
26.0ms308×body160valid