Details

Time bar (total: 11.5s)

sample21.0ms

Algorithm
intervals
Results
10.0ms256×body80valid

simplify306.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0919
11719
23519
36719
411119
515819
617319
717419
done17419

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.1b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* x x) (* (* y 4.0) y))
4.7b
(- (* x x) (* (* y 4.0) y))
30.6b
(/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-log-exp
add-exp-log add-cbrt-cube
pow1 associate-/r* associate-/l*
flip3-- flip3-+ associate-/r/ flip-- flip-+ associate-/l/
cbrt-undiv +-commutative sub-neg frac-2neg diff-log div-sub div-exp clear-num sum-log div-inv
Counts
3 → 55
Calls
3 calls:
17.0ms
(+ (* x x) (* (* y 4.0) y))
16.0ms
(- (* x x) (* (* y 4.0) y))
53.0ms
(/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))

series241.0ms

Counts
3 → 9
Calls
3 calls:
59.0ms
(+ (* x x) (* (* y 4.0) y))
71.0ms
(- (* x x) (* (* y 4.0) y))
111.0ms
(/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))

simplify2.5s

Counts
64 → 64
Iterations

Useful iterations: done (2.5s)

IterNodesCost
0871404
12331375
27691233
328911226
done50011210

prune189.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.6b

localize1.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
000
done00

prune11.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.6b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* x x) (* (* y 4.0) y))
0.0b
(/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))))
4.7b
(- (* x x) (* (* y 4.0) y))
30.6b
(/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))

rewrite137.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
56×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
18×associate-/r*
17×add-exp-log
11×associate-/r/ add-cbrt-cube
div-exp add-log-exp
flip3-- flip-- div-inv associate-/l*
pow1
cbrt-undiv
rec-exp frac-2neg flip3-+ 1-exp clear-num flip-+ associate-/l/
+-commutative sub-neg pow-flip diff-log sum-log inv-pow
Counts
4 → 138
Calls
4 calls:
14.0ms
(+ (* x x) (* (* y 4.0) y))
45.0ms
(/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))))
13.0ms
(- (* x x) (* (* y 4.0) y))
55.0ms
(/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))

series242.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(+ (* x x) (* (* y 4.0) y))
67.0ms
(/ 1 (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))))
48.0ms
(- (* x x) (* (* y 4.0) y))
67.0ms
(/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))

simplify3.0s

Counts
150 → 150
Iterations

Useful iterations: 3 (1.3s)

IterNodesCost
01924490
14474224
211583827
341883710
done50013710

prune365.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.6b

localize14.0ms

Local error

Found 4 expressions with local error:

4.7b
(- (* x x) (* (* y 4.0) y))
29.1b
(sqrt (+ (* x x) (* (* y 4.0) y)))
29.1b
(sqrt (+ (* x x) (* (* y 4.0) y)))
30.6b
(/ (- (* x x) (* (* y 4.0) y)) (* (sqrt (+ (* x x) (* (* y 4.0) y))) (sqrt (+ (* x x) (* (* y 4.0) y)))))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
16×sqrt-div
10×add-sqr-sqrt
add-exp-log add-cbrt-cube
add-cube-cbrt *-un-lft-identity flip3-+ associate-/r/ flip-+
pow1 sqrt-prod add-log-exp
frac-times
times-frac associate-/l*
cbrt-undiv rem-sqrt-square flip3-- sqrt-pow1 pow1/2 associate-*r/ div-exp associate-*l/ flip-- associate-/l/
sub-neg frac-2neg diff-log div-sub prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 74
Calls
4 calls:
11.0ms
(- (* x x) (* (* y 4.0) y))
8.0ms
(sqrt (+ (* x x) (* (* y 4.0) y)))
13.0ms
(sqrt (+ (* x x) (* (* y 4.0) y)))
49.0ms
(/ (- (* x x) (* (* y 4.0) y)) (* (sqrt (+ (* x x) (* (* y 4.0) y))) (sqrt (+ (* x x) (* (* y 4.0) y)))))

series331.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(- (* x x) (* (* y 4.0) y))
101.0ms
(sqrt (+ (* x x) (* (* y 4.0) y)))
68.0ms
(sqrt (+ (* x x) (* (* y 4.0) y)))
88.0ms
(/ (- (* x x) (* (* y 4.0) y)) (* (sqrt (+ (* x x) (* (* y 4.0) y))) (sqrt (+ (* x x) (* (* y 4.0) y)))))

simplify2.4s

Counts
86 → 86
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
01082118
12891662
29231450
335861426
done50001426

prune291.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.6b

regimes204.0ms

Accuracy

61.6% (12.1b remaining)

Error of 12.4b against oracle of 0.4b and baseline of 31.8b

bsearch135.0ms

Steps
ItersRangePoint
9
8.159449298811563e+284
2.5807847408175677e+291
7.251271519567313e+285
6
5.513526497765108e+28
7.5214253074415e+29
5.630971785438847e+28
10
1730015830381252.2
5.608395996213628e+25
2.5951328951665388e+25
8
1.6369066125026377e-180
2.6572673748491515e-176
1.8839870956276886e-179

simplify8.0ms

Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
02581
13077
done3077

end0.0ms

sample901.0ms

Algorithm
intervals
Results
594.0ms8000×body80valid