Details

Time bar (total: 5.9s)

sample21.0ms

Algorithm
intervals
Results
9.0ms256×body80valid
2.0ms81×body80nan

simplify3.0ms

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: 21.1b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (* x x) y)
19.7b
(sqrt (+ (* x x) y))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-log-exp
pow1 add-cube-cbrt *-un-lft-identity sqrt-prod
add-exp-log flip3-+ sqrt-div add-cbrt-cube flip-+
+-commutative rem-sqrt-square sqrt-pow1 pow1/2 sum-log
Counts
2 → 26
Calls
2 calls:
8.0ms
(+ (* x x) y)
10.0ms
(sqrt (+ (* x x) y))

series68.0ms

Counts
2 → 6
Calls
2 calls:
26.0ms
(+ (* x x) y)
41.0ms
(sqrt (+ (* x x) y))

simplify474.0ms

Counts
32 → 32
Iterations

Useful iterations: done (473.0ms)

IterNodesCost
059319
1154294
2700258
done5000255

prune95.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (sqrt (+ (* x x) y)))
0.5b
(* (sqrt (sqrt (+ (* x x) y))) (sqrt (sqrt (+ (* x x) y))))
19.7b
(sqrt (+ (* x x) y))
19.7b
(sqrt (+ (* x x) y))

rewrite102.0ms

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:
13.0ms
(sqrt (sqrt (+ (* x x) y)))
64.0ms
(* (sqrt (sqrt (+ (* x x) y))) (sqrt (sqrt (+ (* x x) y))))
9.0ms
(sqrt (+ (* x x) y))
10.0ms
(sqrt (+ (* x x) y))

series262.0ms

Counts
4 → 12
Calls
4 calls:
115.0ms
(sqrt (sqrt (+ (* x x) y)))
57.0ms
(* (sqrt (sqrt (+ (* x x) y))) (sqrt (sqrt (+ (* x x) y))))
47.0ms
(sqrt (+ (* x x) y))
42.0ms
(sqrt (+ (* x x) y))

simplify882.0ms

Counts
146 → 146
Iterations

Useful iterations: done (877.0ms)

IterNodesCost
01382475
13081579
213341419
done50001396

prune294.0ms

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)

rewrite24.0ms

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:
23.0ms
(* (/ y x) -1/2)

series19.0ms

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

simplify584.0ms

Counts
35 → 35
Iterations

Useful iterations: 2 (112.0ms)

IterNodesCost
067261
1160244
2663224
done5000224

prune63.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

localize7.0ms

Local error

Found 1 expressions with local error:

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

rewrite17.0ms

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:
15.0ms
(* 1/2 (/ y x))

series23.0ms

Counts
1 → 3
Calls
1 calls:
23.0ms
(* 1/2 (/ y x))

simplify1.6s

Counts
35 → 35
Iterations

Useful iterations: 3 (535.0ms)

IterNodesCost
068277
1178250
2570230
32465229
done5000229

prune94.0ms

Pruning

4 alts after pruning (0 fresh and 4 done)

Merged error: 0b

regimes236.0ms

Accuracy

99.4% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 21.2b

bsearch45.0ms

Steps
ItersRangePoint
7
5.97211645844156e+100
7.949077325264555e+102
6.791589890324519e+101
8
-6.888726652681395e+154
-1.350243324689865e+150
-1.3369273759662153e+154

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01828
12228
done2228

end0.0ms

sample970.0ms

Algorithm
intervals
Results
244.0ms8000×body80valid
98.0ms2721×body80nan