Details

Time bar (total: 8.9s)

sample23.0ms

Algorithm
intervals
Results
5.0ms58×body1280valid
4.0ms226×body80nan
3.0ms42×body640valid
2.0ms123×body80valid
1.0ms23×body320valid
0.0ms10×body160valid

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: 31.7b

localize5.0ms

Local error

Found 1 expressions with local error:

3.0b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite34.0ms

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:
30.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series73.0ms

Counts
1 → 3
Calls
1 calls:
73.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify2.5s

Counts
73 → 73
Iterations

Useful iterations: done (2.5s)

IterNodesCost
01171805
12591303
2747970
33669800
done5000793

prune91.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize8.0ms

Local error

Found 2 expressions with local error:

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

rewrite43.0ms

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:
13.0ms
(+ (sqrt x) (sqrt (+ x 1.0)))
27.0ms
(/ (+ 1.0 0) (+ (sqrt x) (sqrt (+ x 1.0))))

series214.0ms

Counts
2 → 6
Calls
2 calls:
69.0ms
(+ (sqrt x) (sqrt (+ x 1.0)))
145.0ms
(/ (+ 1.0 0) (+ (sqrt x) (sqrt (+ x 1.0))))

simplify637.0ms

Counts
80 → 80
Iterations

Useful iterations: done (635.0ms)

IterNodesCost
01431265
13591038
21300936
done5001932

prune159.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (sqrt (sqrt x)) (sqrt (sqrt x)) (sqrt (+ x 1.0)))
0.1b
(sqrt (sqrt x))
0.1b
(sqrt (sqrt x))
0.2b
(/ (+ 1.0 0) (fma (sqrt (sqrt x)) (sqrt (sqrt x)) (sqrt (+ x 1.0))))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
25×*-un-lft-identity
21×add-sqr-sqrt
20×sqrt-prod
17×add-cube-cbrt
12×times-frac
pow1 sqrt-pow1
add-exp-log add-cbrt-cube
expm1-log1p-u rem-sqrt-square pow1/2 log1p-expm1-u distribute-lft-out associate-/l* add-log-exp
associate-/r*
associate-/l/
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ fma-udef div-inv
Counts
4 → 87
Calls
4 calls:
0.0ms
(fma (sqrt (sqrt x)) (sqrt (sqrt x)) (sqrt (+ x 1.0)))
1.0ms
(sqrt (sqrt x))
1.0ms
(sqrt (sqrt x))
8.0ms
(/ (+ 1.0 0) (fma (sqrt (sqrt x)) (sqrt (sqrt x)) (sqrt (+ x 1.0))))

series659.0ms

Counts
4 → 12
Calls
4 calls:
149.0ms
(fma (sqrt (sqrt x)) (sqrt (sqrt x)) (sqrt (+ x 1.0)))
148.0ms
(sqrt (sqrt x))
145.0ms
(sqrt (sqrt x))
217.0ms
(/ (+ 1.0 0) (fma (sqrt (sqrt x)) (sqrt (sqrt x)) (sqrt (+ x 1.0))))

simplify885.0ms

Counts
99 → 99
Iterations

Useful iterations: 2 (182.0ms)

IterNodesCost
02091590
15141161
221991032
done50001032

prune262.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (+ 1.0 0) (fma (* (sqrt (fabs (cbrt x))) (sqrt (sqrt (cbrt x)))) (sqrt (sqrt x)) (sqrt (+ x 1.0))))
0.3b
(* (sqrt (fabs (cbrt x))) (sqrt (sqrt (cbrt x))))
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
32×sqrt-prod
29×*-un-lft-identity
21×add-cube-cbrt
12×times-frac associate-*r*
11×cbrt-prod
pow1 add-exp-log add-cbrt-cube unswap-sqr
associate-*l*
expm1-log1p-u log1p-expm1-u distribute-lft-out associate-/l* add-log-exp
pow-prod-down associate-/r*
sqrt-pow1 pow1/2 pow1/3 associate-/l/
cbrt-undiv frac-2neg flip3-+ sqrt-unprod div-exp prod-exp clear-num *-commutative cbrt-unprod flip-+ div-inv
Counts
4 → 103
Calls
4 calls:
8.0ms
(/ (+ 1.0 0) (fma (* (sqrt (fabs (cbrt x))) (sqrt (sqrt (cbrt x)))) (sqrt (sqrt x)) (sqrt (+ x 1.0))))
11.0ms
(* (sqrt (fabs (cbrt x))) (sqrt (sqrt (cbrt x))))
0.0ms
(cbrt x)
1.0ms
(cbrt x)

series952.0ms

Counts
4 → 12
Calls
4 calls:
284.0ms
(/ (+ 1.0 0) (fma (* (sqrt (fabs (cbrt x))) (sqrt (sqrt (cbrt x)))) (sqrt (sqrt x)) (sqrt (+ x 1.0))))
293.0ms
(* (sqrt (fabs (cbrt x))) (sqrt (sqrt (cbrt x))))
189.0ms
(cbrt x)
186.0ms
(cbrt x)

simplify1.1s

Counts
115 → 115
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02802515
16692288
227912139
done50002136

prune468.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

regimes34.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 2 (2.0ms)

IterNodesCost
01621
11921
22319
done2319

end0.0ms

sample665.0ms

Algorithm
intervals
Results
146.0ms1746×body1280valid
139.0ms7984×body80nan
89.0ms1276×body640valid
77.0ms4049×body80valid
30.0ms615×body320valid
10.0ms314×body160valid