Details

Time bar (total: 10.8s)

sample67.0ms

Algorithm
intervals
Results
27.0ms63×body1280valid
12.0ms48×body640valid
6.0ms152×body80valid
6.0ms107×body80nan
4.0ms25×body320valid
1.0ms13×body160valid

simplify1.7s

Counts
1 → 1
Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
0811
11511
2249
3519
41099
52869
66789
734409
done50009

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.0b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ x (+ x y))
6.7b
(pow (/ x (+ x y)) x)

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
34×*-un-lft-identity
24×times-frac
20×add-sqr-sqrt add-cube-cbrt
18×unpow-prod-down
add-exp-log distribute-lft-out
associate-/r* associate-/r/ add-cbrt-cube
pow1 pow-unpow associate-/l*
expm1-log1p-u flip3-+ div-exp pow-exp flip-+ log1p-expm1-u div-inv add-log-exp
cbrt-undiv pow-to-exp pow-pow frac-2neg clear-num sqr-pow
Counts
2 → 70
Calls
2 calls:
5.0ms
(/ x (+ x y))
7.0ms
(pow (/ x (+ x y)) x)

series263.0ms

Counts
2 → 6
Calls
2 calls:
38.0ms
(/ x (+ x y))
224.0ms
(pow (/ x (+ x y)) x)

simplify557.0ms

Counts
76 → 76
Iterations

Useful iterations: 2 (99.0ms)

IterNodesCost
0133864
1327808
21252780
done5000780

prune158.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.3b

localize16.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)
1.4b
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
17×add-exp-log
13×unpow-prod-down
12×cbrt-div
cbrt-prod add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-/r/
flip3-+ flip-+
pow1 pow-exp
expm1-log1p-u frac-times div-exp prod-exp add-cbrt-cube log1p-expm1-u add-log-exp
pow-unpow pow1/3
associate-*r/ associate-*l/
pow-to-exp pow-pow times-frac div-inv sqr-pow
Counts
4 → 72
Calls
4 calls:
0.0ms
(cbrt x)
0.0ms
(cbrt x)
0.0ms
(cbrt x)
15.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

series796.0ms

Counts
4 → 12
Calls
4 calls:
181.0ms
(cbrt x)
173.0ms
(cbrt x)
173.0ms
(cbrt x)
268.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

simplify3.3s

Counts
84 → 84
Iterations

Useful iterations: 3 (468.0ms)

IterNodesCost
01541147
13721061
21138939
34535921
done5000921

prune265.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (+ x y))
0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
13×cbrt-prod
10×*-un-lft-identity
add-sqr-sqrt add-cube-cbrt
pow1 add-exp-log expm1-log1p-u pow1/3 add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-div
flip3-+ flip-+ distribute-lft-out
Counts
4 → 55
Calls
4 calls:
2.0ms
(cbrt (+ x y))
0.0ms
(cbrt x)
0.0ms
(cbrt x)
1.0ms
(cbrt x)

series872.0ms

Counts
4 → 12
Calls
4 calls:
130.0ms
(cbrt (+ x y))
174.0ms
(cbrt x)
192.0ms
(cbrt x)
376.0ms
(cbrt x)

simplify564.0ms

Counts
67 → 67
Iterations

Useful iterations: 3 (134.0ms)

IterNodesCost
073384
1152361
2387335
31135322
done5000322

prune260.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize4.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify1.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
000
done00

prune0.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes48.0ms

Accuracy

88.8% (0.7b remaining)

Error of 0.7b against oracle of 0.0b and baseline of 5.9b

bsearch64.0ms

Steps
ItersRangePoint
7
1.7032345034745653e-05
0.0005333266348582408
0.0005238356276561065
4
-3.226264717511912e+140
-1.7940569278775236e+140
-1.8181743492396227e+140

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02151
12647
done2647

end0.0ms

sample1.7s

Algorithm
intervals
Results
658.0ms1550×body1280valid
363.0ms1465×body640valid
198.0ms4851×body80valid
130.0ms819×body320valid
92.0ms3111×body80nan
51.0ms462×body160valid