Details

Time bar (total: 12.5s)

sample102.0ms

Algorithm
intervals
Results
47.0ms40×body640valid
14.0ms58×body1280valid
12.0ms252×body80nan
6.0ms123×body80valid
3.0ms21×body320valid
1.0ms14×body160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.5b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(sqrt (+ x 1.0))
3.6b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite93.0ms

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:
16.0ms
(sqrt (+ x 1.0))
69.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series158.0ms

Counts
2 → 6
Calls
2 calls:
50.0ms
(sqrt (+ x 1.0))
108.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify867.0ms

Counts
95 → 95
Iterations

Useful iterations: done (863.0ms)

IterNodesCost
01371993
13161446
210401125
done5000951

prune213.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize17.0ms

Local error

Found 3 expressions with local error:

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

rewrite120.0ms

Algorithm
rewrite-expression-head
Rules
76×*-un-lft-identity
32×distribute-lft-out
31×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 → 93
Calls
3 calls:
8.0ms
(sqrt (+ x 1.0))
20.0ms
(+ (sqrt x) (sqrt (+ x 1.0)))
86.0ms
(/ (+ 1.0 0) (+ (sqrt x) (sqrt (+ x 1.0))))

series363.0ms

Counts
3 → 9
Calls
3 calls:
49.0ms
(sqrt (+ x 1.0))
86.0ms
(+ (sqrt x) (sqrt (+ x 1.0)))
228.0ms
(/ (+ 1.0 0) (+ (sqrt x) (sqrt (+ x 1.0))))

simplify1.6s

Counts
102 → 102
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01691453
14281178
219951093
done50011085

prune412.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize31.0ms

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 x) (* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))))
0.3b
(* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))

rewrite163.0ms

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:
18.0ms
(sqrt (sqrt (+ x 1.0)))
17.0ms
(sqrt (sqrt (+ x 1.0)))
57.0ms
(/ (+ 1.0 0) (+ (sqrt x) (* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))))
63.0ms
(* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))

series531.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(sqrt (sqrt (+ x 1.0)))
127.0ms
(sqrt (sqrt (+ x 1.0)))
232.0ms
(/ (+ 1.0 0) (+ (sqrt x) (* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))))
48.0ms
(* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))

simplify2.2s

Counts
187 → 187
Iterations

Useful iterations: done (2.2s)

IterNodesCost
02663296
16471967
229301850
done50021834

prune755.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt x) (cbrt x))
0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
11×pow1
pow1/3
add-exp-log swap-sqr associate-*r* associate-*l*
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 81
Calls
4 calls:
20.0ms
(* (cbrt x) (cbrt x))
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series1.1s

Counts
4 → 12
Calls
4 calls:
321.0ms
(* (cbrt x) (cbrt x))
276.0ms
(cbrt x)
253.0ms
(cbrt x)
294.0ms
(cbrt x)

simplify1.5s

Counts
93 → 93
Iterations

Useful iterations: done (1.5s)

IterNodesCost
065554
1143443
2719423
done5000409

prune437.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.0b

regimes43.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01118
11416
21516
done1516

end0.0ms

sample1.7s

Algorithm
intervals
Results
386.0ms8028×body80nan
351.0ms1755×body1280valid
232.0ms4070×body80valid
199.0ms1232×body640valid
96.0ms605×body320valid
27.0ms338×body160valid