Details

Time bar (total: 9.5s)

sample68.0ms

Algorithm
intervals
Results
27.0ms63×body1280valid
12.0ms48×body640valid
9.0ms152×body80valid
4.0ms25×body320valid
3.0ms107×body80nan
1.0ms13×body160valid

simplify1.0s

Counts
1 → 1
Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
0811
11511
2249
3519
41009
52359
65439
716369
done50009

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.0b

localize7.0ms

Local error

Found 2 expressions with local error:

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

rewrite21.0ms

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*
flip3-+ div-exp pow-exp flip-+ div-inv add-log-exp
cbrt-undiv pow-to-exp pow-pow frac-2neg clear-num sqr-pow
Counts
2 → 66
Calls
2 calls:
6.0ms
(/ x (+ x y))
8.0ms
(pow (/ x (+ x y)) x)

series273.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(/ x (+ x y))
230.0ms
(pow (/ x (+ x y)) x)

simplify952.0ms

Counts
72 → 72
Iterations

Useful iterations: 3 (394.0ms)

IterNodesCost
0129836
1308785
2781756
32189754
done5001754

prune157.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.3b

localize17.0ms

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)

rewrite23.0ms

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
frac-times div-exp prod-exp add-cbrt-cube add-log-exp
pow-unpow pow1/3
associate-*r/ associate-*l/
pow-to-exp pow-pow times-frac div-inv sqr-pow
Counts
4 → 64
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)
19.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

series811.0ms

Counts
4 → 12
Calls
4 calls:
183.0ms
(cbrt x)
183.0ms
(cbrt x)
173.0ms
(cbrt x)
272.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

simplify993.0ms

Counts
76 → 76
Iterations

Useful iterations: 3 (389.0ms)

IterNodesCost
01501093
13571017
2856899
32453878
done5001878

prune255.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize17.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (+ x y))
0.6b
(cbrt x)
0.6b
(cbrt x)
4.0b
(log (/ (cbrt x) (cbrt (+ x y))))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
55×cbrt-prod
48×log-prod *-un-lft-identity
42×times-frac
34×add-sqr-sqrt add-cube-cbrt
add-exp-log distribute-lft-out
pow1
cbrt-div add-cbrt-cube add-log-exp
pow1/3
flip3-+ rem-log-exp associate-/r/ flip-+
log-div div-exp log-pow div-inv
Counts
4 → 95
Calls
4 calls:
2.0ms
(cbrt (+ x y))
1.0ms
(cbrt x)
1.0ms
(cbrt x)
9.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

series567.0ms

Counts
4 → 12
Calls
4 calls:
134.0ms
(cbrt (+ x y))
183.0ms
(cbrt x)
182.0ms
(cbrt x)
68.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

simplify2.1s

Counts
107 → 107
Iterations

Useful iterations: 4 (1.0s)

IterNodesCost
01921355
13591263
27241206
317111163
446801159
done50001159

prune400.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize5.0ms

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

regimes53.0ms

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

simplify3.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02343
13039
done3039

end0.0ms

sample1.7s

Algorithm
intervals
Results
662.0ms1550×body1280valid
363.0ms1465×body640valid
208.0ms4851×body80valid
131.0ms819×body320valid
93.0ms3111×body80nan
46.0ms462×body160valid