Details

Time bar (total: 17.4s)

sample42.0ms

Algorithm
intervals
Results
9.0ms282×body80nan
8.0ms63×body1280valid
5.0ms46×body640valid
4.0ms116×body80valid
2.0ms20×body320valid
1.0ms11×body160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.2b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(sqrt (+ 1.0 x))
3.1b
(- (sqrt (+ 1.0 x)) (sqrt x))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
61×sqrt-prod
54×*-un-lft-identity
42×add-sqr-sqrt prod-diff
31×add-cube-cbrt
distribute-lft-out
fma-neg
add-log-exp difference-of-squares
pow1 distribute-lft-out--
expm1-log1p-u add-cbrt-cube sqrt-div add-exp-log log1p-expm1-u
rem-sqrt-square sub-neg sqrt-pow1 flip3-+ flip3-- pow1/2 diff-log flip-+ hypot-def flip--
Counts
2 → 89
Calls
2 calls:
6.0ms
(sqrt (+ 1.0 x))
64.0ms
(- (sqrt (+ 1.0 x)) (sqrt x))

series147.0ms

Counts
2 → 6
Calls
2 calls:
38.0ms
(sqrt (+ 1.0 x))
109.0ms
(- (sqrt (+ 1.0 x)) (sqrt x))

simplify711.0ms

Counts
95 → 95
Iterations
IterNodes
done5000
21090
1323
0139

prune267.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize26.0ms

Local error

Found 3 expressions with local error:

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

rewrite136.0ms

Algorithm
rewrite-expression-head
Rules
78×*-un-lft-identity
33×distribute-lft-out
32×sqrt-prod
24×times-frac
21×add-sqr-sqrt
18×add-cube-cbrt
fma-def
associate-/r*
add-cbrt-cube add-exp-log add-log-exp
pow1 flip3-+ flip-+ associate-/l*
expm1-log1p-u log1p-expm1-u
sqrt-div associate-/r/ associate-/l/
cbrt-undiv +-commutative rem-sqrt-square clear-num sum-log frac-2neg sqrt-pow1 pow1/2 div-exp hypot-def div-inv
Counts
3 → 94
Calls
3 calls:
7.0ms
(sqrt (+ 1.0 x))
32.0ms
(+ (sqrt (+ 1.0 x)) (sqrt x))
93.0ms
(/ (+ 1.0 0) (+ (sqrt (+ 1.0 x)) (sqrt x)))

series350.0ms

Counts
3 → 9
Calls
3 calls:
39.0ms
(sqrt (+ 1.0 x))
94.0ms
(+ (sqrt (+ 1.0 x)) (sqrt x))
217.0ms
(/ (+ 1.0 0) (+ (sqrt (+ 1.0 x)) (sqrt x)))

simplify1.8s

Counts
103 → 103
Iterations
IterNodes
done5000
22042
1439
0173

prune471.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 4 expressions with local error:

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

rewrite352.0ms

Algorithm
rewrite-expression-head
Rules
742×*-un-lft-identity
708×sqrt-prod
594×times-frac
280×distribute-lft-out
270×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-cbrt-cube add-exp-log
hypot-def
pow1
expm1-log1p-u cbrt-undiv div-exp log1p-expm1-u add-log-exp
rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2
associate-/l/
Counts
4 → 461
Calls
4 calls:
68.0ms
(sqrt (+ (sqrt (+ 1.0 x)) (sqrt x)))
46.0ms
(sqrt (+ (sqrt (+ 1.0 x)) (sqrt x)))
59.0ms
(/ 1.0 (sqrt (+ (sqrt (+ 1.0 x)) (sqrt x))))
132.0ms
(/ (/ 1.0 (sqrt (+ (sqrt (+ 1.0 x)) (sqrt x)))) (sqrt (+ (sqrt (+ 1.0 x)) (sqrt x))))

series1.2s

Counts
4 → 12
Calls
4 calls:
238.0ms
(sqrt (+ (sqrt (+ 1.0 x)) (sqrt x)))
237.0ms
(sqrt (+ (sqrt (+ 1.0 x)) (sqrt x)))
498.0ms
(/ 1.0 (sqrt (+ (sqrt (+ 1.0 x)) (sqrt x))))
215.0ms
(/ (/ 1.0 (sqrt (+ (sqrt (+ 1.0 x)) (sqrt x)))) (sqrt (+ (sqrt (+ 1.0 x)) (sqrt x))))

simplify1.9s

Counts
473 → 473
Iterations
IterNodes
done5000
24313
11103
0448

prune1.4s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize43.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (+ (sqrt (+ 1.0 x)) (sqrt x)))
0.2b
(/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
0.2b
(/ (log1p (expm1 (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))))) (sqrt (+ (sqrt (+ 1.0 x)) (sqrt x))))
0.4b
(expm1 (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))))

rewrite165.0ms

Algorithm
rewrite-expression-head
Rules
104×*-un-lft-identity
94×sqrt-prod
54×times-frac
50×add-sqr-sqrt
41×add-cube-cbrt
36×distribute-lft-out
18×associate-/r*
add-cbrt-cube add-exp-log
sqrt-div associate-/l*
pow1 log1p-expm1-u
expm1-log1p-u associate-/r/ hypot-def add-log-exp
flip3-+ flip-+
cbrt-undiv clear-num frac-2neg div-exp div-inv
rem-sqrt-square expm1-log1p sqrt-pow1 pow1/2 expm1-udef
Counts
4 → 145
Calls
4 calls:
44.0ms
(sqrt (+ (sqrt (+ 1.0 x)) (sqrt x)))
62.0ms
(/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
49.0ms
(/ (log1p (expm1 (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))))) (sqrt (+ (sqrt (+ 1.0 x)) (sqrt x))))
0.0ms
(expm1 (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))))

series4.2s

Counts
4 → 12
Calls
4 calls:
239.0ms
(sqrt (+ (sqrt (+ 1.0 x)) (sqrt x)))
545.0ms
(/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
2.3s
(/ (log1p (expm1 (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))))) (sqrt (+ (sqrt (+ 1.0 x)) (sqrt x))))
1.1s
(expm1 (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))))

simplify1.4s

Counts
157 → 157
Iterations
IterNodes
done5000
23772
1886
0362

prune740.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

regimes56.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify4.0ms

Iterations
IterNodes
done13
213
112
09

end0.0ms

sample1.8s

Algorithm
intervals
Results
453.0ms663×body320valid
309.0ms8079×body80nan
287.0ms1247×body640valid
286.0ms1686×body1280valid
138.0ms4121×body80valid
19.0ms283×body160valid