Details

Time bar (total: 13.0s)

sample27.0ms

Algorithm
intervals
Results
12.0ms256×body80valid

simplify280.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
09243
119243
239243
377243
4133243
5199243
6244243
7252243
done252243

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.6b

localize20.0ms

Local error

Found 2 expressions with local error:

3.3b
(- (* x x) (* (* y 4.0) y))
29.1b
(/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
times-frac
add-cbrt-cube add-exp-log add-log-exp
associate-/r* associate-/l*
expm1-log1p-u pow1 flip3-- associate-/r/ log1p-expm1-u flip-- associate-/l/
cbrt-undiv clear-num sub-neg frac-2neg flip3-+ fma-neg diff-log div-sub div-exp prod-diff flip-+ div-inv
Counts
2 → 50
Calls
2 calls:
13.0ms
(- (* x x) (* (* y 4.0) y))
43.0ms
(/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))

series175.0ms

Counts
2 → 6
Calls
2 calls:
54.0ms
(- (* x x) (* (* y 4.0) y))
121.0ms
(/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))

simplify1.8s

Counts
56 → 56
Iterations

Useful iterations: 2 (378.0ms)

IterNodesCost
09119859
125517651
2150117511
done500017526

prune358.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.6b

localize41.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
19.0b
(/ (* x x) (+ (* x x) (* (* y 4.0) y)))
20.4b
(/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))

rewrite204.0ms

Algorithm
rewrite-expression-head
Rules
81×prod-diff
64×times-frac
49×add-sqr-sqrt
47×*-un-lft-identity
46×associate-/r/
45×add-cube-cbrt
23×flip3-+ flip-+ div-inv
17×add-cbrt-cube add-exp-log
fma-neg
associate-/r*
cbrt-undiv div-exp add-log-exp
prod-exp cbrt-unprod
expm1-log1p-u pow1 distribute-rgt-out-- log1p-expm1-u
clear-num frac-2neg associate-/l* difference-of-squares
sub-neg flip3-- diff-log frac-sub flip-- distribute-lft-out-- sub-div
Counts
3 → 164
Calls
3 calls:
123.0ms
(- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
26.0ms
(/ (* x x) (+ (* x x) (* (* y 4.0) y)))
42.0ms
(/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))

series378.0ms

Counts
3 → 9
Calls
3 calls:
142.0ms
(- (/ (* x x) (+ (* x x) (* (* y 4.0) y))) (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y))))
117.0ms
(/ (* x x) (+ (* x x) (* (* y 4.0) y)))
118.0ms
(/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))

simplify3.3s

Counts
173 → 173
Iterations

Useful iterations: 2 (1.4s)

IterNodesCost
0255118232
1723100927
2425689255
done500089255

prune1.2s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.6b

localize81.0ms

Local error

Found 4 expressions with local error:

19.0b
(/ (* x x) (+ (* x x) (* (* y 4.0) y)))
20.4b
(/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))
20.4b
(/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))
20.4b
(/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))

rewrite114.0ms

Algorithm
rewrite-expression-head
Rules
36×add-cbrt-cube add-exp-log
12×add-sqr-sqrt associate-/r* *-un-lft-identity times-frac add-cube-cbrt
11×cbrt-undiv div-exp
10×prod-exp cbrt-unprod
associate-/r/
expm1-log1p-u pow1 clear-num frac-2neg flip3-+ flip-+ log1p-expm1-u div-inv associate-/l* add-log-exp
Counts
4 → 106
Calls
4 calls:
18.0ms
(/ (* x x) (+ (* x x) (* (* y 4.0) y)))
22.0ms
(/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))
31.0ms
(/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))
37.0ms
(/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))

series445.0ms

Counts
4 → 12
Calls
4 calls:
110.0ms
(/ (* x x) (+ (* x x) (* (* y 4.0) y)))
102.0ms
(/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))
101.0ms
(/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))
132.0ms
(/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))

simplify2.5s

Counts
118 → 118
Iterations

Useful iterations: 2 (524.0ms)

IterNodesCost
010434899
132829762
2235827592
done500227592

prune708.0ms

Pruning

4 alts after pruning (2 fresh and 2 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

prune1.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.6b

regimes271.0ms

Accuracy

56.7% (13.4b remaining)

Error of 13.8b against oracle of 0.3b and baseline of 31.4b

bsearch257.0ms

Steps
ItersRangePoint
9
1.8841348729660574e+121
3.270754152227266e+128
7.3735183150701e+127
6
1.9438090553147822e-153
1.5544812808461908e-152
2.1395518106041052e-153
7
-2.6703146002526768e+20
-6.809545746203195e+18
-9.211266202426182e+18
7
-4.6693392046439585e+80
-2.8553313065515472e+79
-4.332313917220749e+80
8
-1.4870231680618705e+126
-3.431305599926169e+122
-4.754864512281886e+122

simplify31.0ms

Iterations

Useful iterations: 0 (7.0ms)

IterNodesCost
0301100
1361100
done361100

end0.0ms

sample700.0ms

Algorithm
intervals
Results
513.0ms8000×body80valid