Details

Time bar (total: 12.2s)

sample34.0ms

Algorithm
intervals
Results
17.0ms256×body80valid

simplify333.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
0919
11918
23918
37718
412818
518418
621118
721618
done21618

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.1b

localize18.0ms

Local error

Found 2 expressions with local error:

4.7b
(- (* x x) (* (* y 4.0) y))
30.6b
(/ (- (* x x) (* (* y 4.0) y)) (fma x x (* (* y 4.0) y)))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log add-cbrt-cube add-log-exp
associate-/r* associate-/l*
pow1 expm1-log1p-u flip3-- flip-- log1p-expm1-u associate-/l/
cbrt-undiv sub-neg frac-2neg fma-neg diff-log div-sub div-exp prod-diff clear-num div-inv
Counts
2 → 48
Calls
2 calls:
16.0ms
(- (* x x) (* (* y 4.0) y))
39.0ms
(/ (- (* x x) (* (* y 4.0) y)) (fma x x (* (* y 4.0) y)))

series154.0ms

Counts
2 → 6
Calls
2 calls:
62.0ms
(- (* x x) (* (* y 4.0) y))
91.0ms
(/ (- (* x x) (* (* y 4.0) y)) (fma x x (* (* y 4.0) y)))

simplify2.5s

Counts
54 → 54
Iterations

Useful iterations: done (2.5s)

IterNodesCost
0901183
12201154
27751046
330571044
done50001043

prune231.0ms

Pruning

4 alts after pruning (4 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

prune10.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.6b

localize25.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (/ (* x x) (fma x x (* (* y 4.0) y))) (/ (* (* y 4.0) y) (fma x x (* (* y 4.0) y))))
22.3b
(/ (* x x) (fma x x (* (* y 4.0) y)))
22.6b
(/ (* (* y 4.0) y) (fma x x (* (* y 4.0) y)))

rewrite123.0ms

Algorithm
rewrite-expression-head
Rules
52×times-frac
49×prod-diff
41×add-sqr-sqrt
39×*-un-lft-identity
37×add-cube-cbrt
19×div-inv
17×add-exp-log add-cbrt-cube
fma-neg
associate-/r*
cbrt-undiv div-exp add-log-exp
prod-exp cbrt-unprod
pow1 expm1-log1p-u log1p-expm1-u
frac-2neg clear-num associate-/l* difference-of-squares
sub-neg flip3-- distribute-rgt-out-- diff-log frac-sub flip-- distribute-lft-out-- sub-div
Counts
3 → 124
Calls
3 calls:
47.0ms
(- (/ (* x x) (fma x x (* (* y 4.0) y))) (/ (* (* y 4.0) y) (fma x x (* (* y 4.0) y))))
20.0ms
(/ (* x x) (fma x x (* (* y 4.0) y)))
50.0ms
(/ (* (* y 4.0) y) (fma x x (* (* y 4.0) y)))

series264.0ms

Counts
3 → 9
Calls
3 calls:
97.0ms
(- (/ (* x x) (fma x x (* (* y 4.0) y))) (/ (* (* y 4.0) y) (fma x x (* (* y 4.0) y))))
98.0ms
(/ (* x x) (fma x x (* (* y 4.0) y)))
68.0ms
(/ (* (* y 4.0) y) (fma x x (* (* y 4.0) y)))

simplify1.8s

Counts
133 → 133
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02027019
15005841
217174714
done50003980

prune388.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.6b

localize43.0ms

Local error

Found 4 expressions with local error:

22.3b
(/ (* x x) (fma x x (* (* y 4.0) y)))
22.6b
(/ (* (* y 4.0) y) (fma x x (* (* y 4.0) y)))
22.6b
(/ (* (* y 4.0) y) (fma x x (* (* y 4.0) y)))
22.6b
(/ (* (* y 4.0) y) (fma x x (* (* y 4.0) y)))

rewrite146.0ms

Algorithm
rewrite-expression-head
Rules
36×add-exp-log add-cbrt-cube
12×add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac associate-/r*
11×cbrt-undiv div-exp
10×prod-exp cbrt-unprod
pow1 expm1-log1p-u frac-2neg clear-num log1p-expm1-u div-inv associate-/l* add-log-exp
Counts
4 → 98
Calls
4 calls:
19.0ms
(/ (* x x) (fma x x (* (* y 4.0) y)))
33.0ms
(/ (* (* y 4.0) y) (fma x x (* (* y 4.0) y)))
48.0ms
(/ (* (* y 4.0) y) (fma x x (* (* y 4.0) y)))
42.0ms
(/ (* (* y 4.0) y) (fma x x (* (* y 4.0) y)))

series327.0ms

Counts
4 → 12
Calls
4 calls:
85.0ms
(/ (* x x) (fma x x (* (* y 4.0) y)))
72.0ms
(/ (* (* y 4.0) y) (fma x x (* (* y 4.0) y)))
78.0ms
(/ (* (* y 4.0) y) (fma x x (* (* y 4.0) y)))
91.0ms
(/ (* (* y 4.0) y) (fma x x (* (* y 4.0) y)))

simplify3.9s

Counts
110 → 110
Iterations

Useful iterations: 2 (145.0ms)

IterNodesCost
0952022
12341985
29071577
347121577
done50001577

prune520.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.6b

regimes170.0ms

Accuracy

61.6% (12.1b remaining)

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

bsearch168.0ms

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: 0 (2.0ms)

IterNodesCost
031151
136151
done36151

end0.0ms

sample870.0ms

Algorithm
intervals
Results
572.0ms8000×body80valid