Details

Time bar (total: 5.2s)

sample26.0ms

Algorithm
intervals
Results
5.0ms64×body1280valid
4.0ms267×body80nan
3.0ms42×body640valid
2.0ms122×body80valid
1.0ms22×body320valid
0.0msbody160valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
094
1104
2104
done104

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.2b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(sqrt (+ x 1.0))
2.5b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite61.0ms

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:
7.0ms
(sqrt (+ x 1.0))
50.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series105.0ms

Counts
2 → 6
Calls
2 calls:
31.0ms
(sqrt (+ x 1.0))
74.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify39.0ms

Counts
95 → 95
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
02991161
1921822
25001744
done5001744

prune138.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.2b

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)))

rewrite98.0ms

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:
7.0ms
(sqrt (+ x 1.0))
32.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
55.0ms
(/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x)))

series245.0ms

Counts
3 → 9
Calls
3 calls:
30.0ms
(sqrt (+ x 1.0))
70.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
146.0ms
(/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x)))

simplify48.0ms

Counts
103 → 103
Iterations

Useful iterations: 2 (40.0ms)

IterNodesCost
0409789
11675716
25001675
done5001675

prune231.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (sqrt (+ x 1.0)))
0.0b
(sqrt (sqrt (+ x 1.0)))
0.1b
(fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (sqrt x))
0.2b
(/ (+ 1.0 0) (fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (sqrt x)))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
29×*-un-lft-identity
24×sqrt-prod
21×add-sqr-sqrt
17×add-cube-cbrt
12×times-frac
pow1 sqrt-pow1 sqrt-div
add-exp-log add-cbrt-cube distribute-lft-out
expm1-log1p-u rem-sqrt-square pow1/2 log1p-expm1-u associate-/l* add-log-exp
flip3-+ associate-/r* flip-+
associate-/l/
cbrt-undiv frac-2neg div-exp clear-num fma-udef div-inv
Counts
4 → 93
Calls
4 calls:
8.0ms
(sqrt (sqrt (+ x 1.0)))
11.0ms
(sqrt (sqrt (+ x 1.0)))
0.0ms
(fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (sqrt x))
17.0ms
(/ (+ 1.0 0) (fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (sqrt x)))

series717.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(sqrt (sqrt (+ x 1.0)))
93.0ms
(sqrt (sqrt (+ x 1.0)))
227.0ms
(fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (sqrt x))
306.0ms
(/ (+ 1.0 0) (fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (sqrt x)))

simplify86.0ms

Counts
105 → 105
Iterations

Useful iterations: 2 (68.0ms)

IterNodesCost
07431312
132301218
250031183
done50031183

prune354.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 4 expressions with local error:

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

rewrite403.0ms

Algorithm
rewrite-expression-head
Rules
597×*-un-lft-identity
420×sqrt-prod
256×distribute-lft-out
247×times-frac
130×add-sqr-sqrt
99×add-cube-cbrt
71×swap-sqr
33×associate-*r* associate-*l*
20×pow1
14×associate-/r/
12×associate-/r*
10×add-exp-log add-cbrt-cube
sqrt-pow1 flip3-+ pow1/2 flip-+ unswap-sqr
associate-/l*
div-inv
sqrt-div pow-prod-up
expm1-log1p-u log1p-expm1-u associate-/l/ add-log-exp
pow-prod-down pow-sqr
cbrt-undiv rem-sqrt-square frac-2neg div-exp clear-num
pow2 frac-times pow-plus sqrt-unprod associate-*r/ associate-*l/ prod-exp rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 324
Calls
4 calls:
48.0ms
(sqrt (/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x))))
53.0ms
(/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x)))
53.0ms
(/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x)))
220.0ms
(* (sqrt (/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x)))))

series828.0ms

Counts
4 → 12
Calls
4 calls:
355.0ms
(sqrt (/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x))))
150.0ms
(/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x)))
151.0ms
(/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x)))
172.0ms
(* (sqrt (/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (/ (+ 1.0 0) (+ (sqrt (+ x 1.0)) (sqrt x)))))

simplify133.0ms

Counts
336 → 336
Iterations

Useful iterations: 2 (93.0ms)

IterNodesCost
07233900
137333364
250023360
done50023360

prune836.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

regimes41.0ms

Accuracy

0% (0.2b 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
01815
12215
22215
done2215

end0.0ms

sample706.0ms

Algorithm
intervals
Results
151.0ms1762×body1280valid
133.0ms7829×body80nan
81.0ms1260×body640valid
76.0ms4053×body80valid
33.0ms624×body320valid
10.0ms301×body160valid