Details

Time bar (total: 7.8s)

sample23.0ms

Algorithm
intervals
Results
5.0ms54×body1280valid
4.0ms269×body80nan
3.0ms143×body80valid
2.0ms39×body640valid
1.0ms11×body320valid
0.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
197
2107
done107

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.9b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(sqrt (+ x 1.0))
2.1b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite35.0ms

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--
add-exp-log expm1-log1p-u sqrt-div add-cbrt-cube log1p-expm1-u
sub-neg rem-sqrt-square flip3-- sqrt-pow1 flip3-+ pow1/2 diff-log flip-- flip-+ hypot-def
Counts
2 → 89
Calls
2 calls:
4.0ms
(sqrt (+ x 1.0))
27.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series108.0ms

Counts
2 → 6
Calls
2 calls:
36.0ms
(sqrt (+ x 1.0))
72.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify957.0ms

Counts
95 → 95
Iterations

Useful iterations: done (954.0ms)

IterNodesCost
01371993
12951432
27081124
32219950
done5001943

prune137.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(sqrt (+ x 1.0))
0.0b
(+ (sqrt (+ x 1.0)) (sqrt x))
0.2b
(/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x)))

rewrite54.0ms

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-exp-log add-cbrt-cube 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 frac-2neg sqrt-pow1 pow1/2 div-exp clear-num sum-log hypot-def div-inv
Counts
3 → 94
Calls
3 calls:
4.0ms
(sqrt (+ x 1.0))
18.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
29.0ms
(/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x)))

series243.0ms

Counts
3 → 9
Calls
3 calls:
30.0ms
(sqrt (+ x 1.0))
68.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
145.0ms
(/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x)))

simplify1.9s

Counts
103 → 103
Iterations

Useful iterations: 3 (984.0ms)

IterNodesCost
01691453
14091180
211031090
340291069
done50001069

prune210.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (sqrt (+ x 1.0)))
0.1b
(sqrt (sqrt (+ x 1.0)))
0.2b
(/ (+ 1.0 0) (+ (* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0)))) (sqrt x)))
0.3b
(* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))

rewrite77.0ms

Algorithm
rewrite-expression-head
Rules
106×sqrt-prod
63×add-sqr-sqrt
55×*-un-lft-identity
40×sqrt-pow1
32×sqrt-div
31×pow1
29×add-cube-cbrt
20×pow1/2
18×swap-sqr
12×times-frac distribute-lft-out
10×flip3-+ associate-*r* associate-*l* flip-+
pow-prod-up unswap-sqr
add-exp-log add-cbrt-cube
pow-prod-down pow-sqr
expm1-log1p-u frac-times rem-sqrt-square log1p-expm1-u associate-/l* add-log-exp
associate-/r*
associate-*r/ associate-*l/ associate-/r/ associate-/l/
cbrt-undiv pow2 frac-2neg pow-plus sqrt-unprod div-exp prod-exp clear-num rem-square-sqrt *-commutative cbrt-unprod div-inv
Counts
4 → 175
Calls
4 calls:
4.0ms
(sqrt (sqrt (+ x 1.0)))
4.0ms
(sqrt (sqrt (+ x 1.0)))
31.0ms
(/ (+ 1.0 0) (+ (* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0)))) (sqrt x)))
29.0ms
(* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))

series360.0ms

Counts
4 → 12
Calls
4 calls:
89.0ms
(sqrt (sqrt (+ x 1.0)))
90.0ms
(sqrt (sqrt (+ x 1.0)))
147.0ms
(/ (+ 1.0 0) (+ (* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0)))) (sqrt x)))
35.0ms
(* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))

simplify632.0ms

Counts
187 → 187
Iterations

Useful iterations: done (627.0ms)

IterNodesCost
02663296
15911959
216311841
done50011805

prune369.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
0.3b
(cbrt (+ x 1.0))
0.3b
(cbrt (+ x 1.0))
0.3b
(cbrt (+ x 1.0))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
36×cbrt-prod
35×*-un-lft-identity
23×add-sqr-sqrt
18×cbrt-div
15×add-cube-cbrt
11×pow1
flip3-+ pow1/3 swap-sqr flip-+ distribute-lft-out
associate-*r* associate-*l*
add-exp-log
expm1-log1p-u frac-times add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 103
Calls
4 calls:
19.0ms
(* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
2.0ms
(cbrt (+ x 1.0))
2.0ms
(cbrt (+ x 1.0))
2.0ms
(cbrt (+ x 1.0))

series554.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
84.0ms
(cbrt (+ x 1.0))
85.0ms
(cbrt (+ x 1.0))
279.0ms
(cbrt (+ x 1.0))

simplify992.0ms

Counts
115 → 115
Iterations

Useful iterations: 3 (372.0ms)

IterNodesCost
01431535
13231385
28701323
325631174
done50001174

prune366.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.0b

regimes33.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01529
11727
done1727

end0.0ms

sample665.0ms

Algorithm
intervals
Results
150.0ms1713×body1280valid
139.0ms8101×body80nan
84.0ms1251×body640valid
73.0ms4067×body80valid
35.0ms615×body320valid
12.0ms354×body160valid