Details

Time bar (total: 19.6s)

sample34.0ms

Algorithm
intervals
Results
7.0ms61×body1280valid
6.0ms245×body80nan
3.0ms135×body80valid
3.0ms37×body640valid
1.0ms13×body320valid
0.0ms10×body160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.1b

localize8.0ms

Local error

Found 1 expressions with local error:

2.8b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite102.0ms

Algorithm
rewrite-expression-head
Rules
57×sqrt-prod
50×*-un-lft-identity
42×prod-diff
37×add-sqr-sqrt
29×add-cube-cbrt
distribute-lft-out
fma-neg
difference-of-squares
distribute-lft-out-- add-log-exp
pow1 add-exp-log expm1-log1p-u sub-neg flip3-- diff-log add-cbrt-cube flip-- log1p-expm1-u
Counts
1 → 70
Calls
1 calls:
95.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series95.0ms

Counts
1 → 3
Calls
1 calls:
95.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify2.7s

Counts
73 → 73
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01171805
12651282
2827970
34251800
done5000799

prune178.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize29.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (sqrt x) (sqrt (+ x 1.0)))
0.1b
(/ (+ 1.0 0) (+ (sqrt x) (sqrt (+ x 1.0))))

rewrite88.0ms

Algorithm
rewrite-expression-head
Rules
72×*-un-lft-identity
31×distribute-lft-out
27×sqrt-prod
24×times-frac
16×add-sqr-sqrt add-cube-cbrt
fma-def associate-/r*
add-exp-log add-cbrt-cube associate-/l* add-log-exp
flip3-+ flip-+
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u associate-/l/
cbrt-undiv +-commutative frac-2neg div-exp clear-num sum-log div-inv
Counts
2 → 74
Calls
2 calls:
25.0ms
(+ (sqrt x) (sqrt (+ x 1.0)))
60.0ms
(/ (+ 1.0 0) (+ (sqrt x) (sqrt (+ x 1.0))))

series257.0ms

Counts
2 → 6
Calls
2 calls:
79.0ms
(+ (sqrt x) (sqrt (+ x 1.0)))
177.0ms
(/ (+ 1.0 0) (+ (sqrt x) (sqrt (+ x 1.0))))

simplify1.1s

Counts
80 → 80
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01431265
13681016
21620938
done5001931

prune262.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (sqrt x) (sqrt (+ x 1.0)))
0.0b
(log1p (expm1 (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))))
0.1b
(/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))
0.5b
(expm1 (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0)))))

rewrite105.0ms

Algorithm
rewrite-expression-head
Rules
52×*-un-lft-identity
23×sqrt-prod
20×distribute-lft-out
18×times-frac
17×add-sqr-sqrt add-cube-cbrt
add-exp-log fma-def associate-/r* add-cbrt-cube add-log-exp
log1p-expm1-u
pow1 expm1-log1p-u
associate-/l*
flip3-+ associate-/r/ flip-+
cbrt-undiv +-commutative log1p-udef expm1-log1p frac-2neg log1p-expm1 div-exp clear-num sum-log div-inv expm1-udef
Counts
4 → 87
Calls
4 calls:
20.0ms
(+ (sqrt x) (sqrt (+ x 1.0)))
1.0ms
(log1p (expm1 (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))))
81.0ms
(/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))
1.0ms
(expm1 (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0)))))

series1.5s

Counts
4 → 12
Calls
4 calls:
97.0ms
(+ (sqrt x) (sqrt (+ x 1.0)))
784.0ms
(log1p (expm1 (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))))
185.0ms
(/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))
424.0ms
(expm1 (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0)))))

simplify1.2s

Counts
99 → 99
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02001558
15171431
221961278
done50001273

prune492.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize36.0ms

Local error

Found 4 expressions with local error:

0.0b
(log1p (expm1 (expm1 (log1p (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))))))
0.0b
(expm1 (log1p (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))))
0.1b
(/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))
0.5b
(expm1 (expm1 (log1p (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0)))))))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
43×*-un-lft-identity
18×times-frac
16×sqrt-prod distribute-lft-out
15×add-sqr-sqrt add-cube-cbrt
add-exp-log associate-/r* add-cbrt-cube
log1p-expm1-u
pow1 expm1-log1p-u add-log-exp
associate-/l*
expm1-log1p associate-/r/ expm1-udef
cbrt-undiv log1p-udef frac-2neg flip3-+ log1p-expm1 div-exp clear-num flip-+ div-inv
Counts
4 → 76
Calls
4 calls:
0.0ms
(log1p (expm1 (expm1 (log1p (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))))))
0.0ms
(expm1 (log1p (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))))
48.0ms
(/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))
1.0ms
(expm1 (expm1 (log1p (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0)))))))

series6.7s

Counts
4 → 12
Calls
4 calls:
3.1s
(log1p (expm1 (expm1 (log1p (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))))))
1.2s
(expm1 (log1p (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))))
235.0ms
(/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0))))
2.1s
(expm1 (expm1 (log1p (/ 1.0 (+ (sqrt x) (sqrt (+ x 1.0)))))))

simplify2.4s

Counts
88 → 88
Iterations

Useful iterations: done (2.4s)

IterNodesCost
02832206
18291969
238381767
done50001740

prune539.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

regimes68.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01113
11313
done1313

end0.0ms

sample1.6s

Algorithm
intervals
Results
430.0ms1664×body1280valid
336.0ms7921×body80nan
181.0ms4141×body80valid
160.0ms1273×body640valid
102.0ms611×body320valid
20.0ms311×body160valid