Details

Time bar (total: 22.4s)

sample19.0ms

Algorithm
intervals
Results
7.0ms256×body80valid
2.0ms90×body80nan

simplify2.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
056
166
done66

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 23.3b

localize5.0ms

Local error

Found 1 expressions with local error:

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

rewrite10.0ms

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:
10.0ms
(sqrt (+ (* x x) y))

series54.0ms

Counts
1 → 3
Calls
1 calls:
54.0ms
(sqrt (+ (* x x) y))

simplify3.7s

Counts
18 → 18
Iterations

Useful iterations: 4 (337.0ms)

IterNodesCost
051195
1116173
2251157
3484154
4858153
51588153
63836153
done5001153

prune61.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize8.0ms

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))

rewrite107.0ms

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:
11.0ms
(sqrt (sqrt (+ (* x x) y)))
64.0ms
(* (sqrt (sqrt (+ (* x x) y))) (sqrt (sqrt (+ (* x x) y))))
15.0ms
(sqrt (+ (* x x) y))
11.0ms
(sqrt (+ (* x x) y))

series218.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(sqrt (sqrt (+ (* x x) y)))
46.0ms
(* (sqrt (sqrt (+ (* x x) y))) (sqrt (sqrt (+ (* x x) y))))
42.0ms
(sqrt (+ (* x x) y))
51.0ms
(sqrt (+ (* x x) y))

simplify4.1s

Counts
146 → 146
Iterations

Useful iterations: done (4.1s)

IterNodesCost
01382475
12621570
26311419
315541383
442801351
done50011337

prune323.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize5.0ms

Local error

Found 1 expressions with local error:

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

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
13×associate-*l*
10×times-frac
add-cube-cbrt *-un-lft-identity
add-exp-log add-cbrt-cube
pow1 associate-*r*
prod-exp cbrt-unprod unswap-sqr
cbrt-undiv div-exp pow-prod-down associate-*l/ *-commutative div-inv add-log-exp
Counts
1 → 32
Calls
1 calls:
18.0ms
(* (/ y x) -1/2)

series27.0ms

Counts
1 → 3
Calls
1 calls:
27.0ms
(* (/ y x) -1/2)

simplify6.2s

Counts
35 → 35
Iterations

Useful iterations: 2 (94.0ms)

IterNodesCost
067261
1153244
2404224
31033224
42565224
done5001224

prune91.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

localize11.0ms

Local error

Found 1 expressions with local error:

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

rewrite27.0ms

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:
25.0ms
(* 1/2 (/ y x))

series28.0ms

Counts
1 → 3
Calls
1 calls:
27.0ms
(* 1/2 (/ y x))

simplify6.2s

Counts
35 → 35
Iterations

Useful iterations: 3 (354.0ms)

IterNodesCost
068277
1162250
2426230
31067229
42498229
done5000229

prune117.0ms

Pruning

4 alts after pruning (0 fresh and 4 done)

Merged error: 0b

regimes248.0ms

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

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01828
12228
done2228

end0.0ms

sample782.0ms

Algorithm
intervals
Results
349.0ms8000×body80valid
94.0ms2684×body80nan