Details

Time bar (total: 24.1s)

sample34.0ms

Algorithm
intervals
Results
11.0ms256×body80valid
4.0ms90×body80nan

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
056
166
done66

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 23.3b

localize10.0ms

Local error

Found 1 expressions with local error:

21.8b
(sqrt (+ (* x x) y))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt sqrt-prod
pow1 add-cube-cbrt *-un-lft-identity sqrt-div
add-exp-log rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 add-cbrt-cube flip-+ add-log-exp
Counts
1 → 15
Calls
1 calls:
19.0ms
(sqrt (+ (* x x) y))

series83.0ms

Counts
1 → 3
Calls
1 calls:
83.0ms
(sqrt (+ (* x x) y))

simplify4.5s

Counts
18 → 18
Iterations

Useful iterations: 4 (325.0ms)

IterNodesCost
051195
1116173
2251157
3484154
4858153
51588153
63836153
done5001153

prune49.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (sqrt (+ (* x x) y)))
0.5b
(* (sqrt (sqrt (+ (* x x) y))) (sqrt (sqrt (+ (* x x) y))))
21.8b
(sqrt (+ (* x x) y))
21.8b
(sqrt (+ (* x x) y))

rewrite160.0ms

Algorithm
rewrite-expression-head
Rules
82×sqrt-prod
54×add-sqr-sqrt
38×sqrt-pow1
32×sqrt-div
31×pow1
20×add-cube-cbrt *-un-lft-identity pow1/2
15×swap-sqr
flip3-+ associate-*r* associate-*l* pow-prod-up flip-+ unswap-sqr
add-exp-log add-cbrt-cube
pow-prod-down pow-sqr
frac-times rem-sqrt-square add-log-exp
associate-*r/ associate-*l/
pow2 pow-plus sqrt-unprod prod-exp rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 134
Calls
4 calls:
21.0ms
(sqrt (sqrt (+ (* x x) y)))
109.0ms
(* (sqrt (sqrt (+ (* x x) y))) (sqrt (sqrt (+ (* x x) y))))
10.0ms
(sqrt (+ (* x x) y))
10.0ms
(sqrt (+ (* x x) y))

series317.0ms

Counts
4 → 12
Calls
4 calls:
112.0ms
(sqrt (sqrt (+ (* x x) y)))
76.0ms
(* (sqrt (sqrt (+ (* x x) y))) (sqrt (sqrt (+ (* x x) y))))
71.0ms
(sqrt (+ (* x x) y))
57.0ms
(sqrt (+ (* x x) y))

simplify4.3s

Counts
146 → 146
Iterations

Useful iterations: done (4.3s)

IterNodesCost
01382475
12621570
26311419
315541383
442801351
done50011337

prune330.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize12.0ms

Local error

Found 1 expressions with local error:

0.0b
(* -1/2 (/ y x))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
13×associate-*r*
10×times-frac
add-cube-cbrt *-un-lft-identity
add-exp-log add-cbrt-cube
pow1 associate-*l*
prod-exp cbrt-unprod unswap-sqr
cbrt-undiv associate-*r/ div-exp pow-prod-down *-commutative div-inv add-log-exp
Counts
1 → 32
Calls
1 calls:
23.0ms
(* -1/2 (/ y x))

series20.0ms

Counts
1 → 3
Calls
1 calls:
20.0ms
(* -1/2 (/ y x))

simplify6.0s

Counts
35 → 35
Iterations

Useful iterations: 2 (92.0ms)

IterNodesCost
068277
1162250
2427230
31068230
42497230
done5000230

prune58.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

localize6.0ms

Local error

Found 1 expressions with local error:

0.0b
(* 1/2 (/ y x))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
13×associate-*r*
10×times-frac
add-cube-cbrt *-un-lft-identity
add-exp-log add-cbrt-cube
pow1 associate-*l*
prod-exp cbrt-unprod unswap-sqr
cbrt-undiv associate-*r/ div-exp pow-prod-down *-commutative div-inv add-log-exp
Counts
1 → 32
Calls
1 calls:
14.0ms
(* 1/2 (/ y x))

series19.0ms

Counts
1 → 3
Calls
1 calls:
19.0ms
(* 1/2 (/ y x))

simplify6.7s

Counts
35 → 35
Iterations

Useful iterations: 3 (383.0ms)

IterNodesCost
068277
1162250
2426230
31067229
42498229
done5000229

prune80.0ms

Pruning

4 alts after pruning (0 fresh and 4 done)

Merged error: 0b

regimes271.0ms

Accuracy

99.8% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 21.1b

bsearch79.0ms

Steps
ItersRangePoint
6
1.3691772692280127e+122
1.865416815092154e+123
1.4388934535207275e+123
10
-4.750953680063193e+156
-7.066707918776839e+146
-1.3349869326014939e+154

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01828
12228
done2228

end0.0ms

sample891.0ms

Algorithm
intervals
Results
342.0ms8000×body80valid
131.0ms2684×body80nan