Details

Time bar (total: 9.7s)

sample59.0ms

Algorithm
intervals
Results
20.0ms48×body1280valid
11.0ms45×body640valid
7.0ms159×body80valid
6.0ms36×body320valid
2.0ms82×body80nan
1.0msbody160valid

simplify1.3s

Counts
1 → 1
Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
0811
11511
2249
3519
41029
52419
65799
728849
done50019

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 9.9b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ x (+ x y))
5.3b
(pow (/ x (+ x y)) x)

rewrite16.0ms

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))
8.0ms
(pow (/ x (+ x y)) x)

series285.0ms

Counts
2 → 6
Calls
2 calls:
40.0ms
(/ x (+ x y))
244.0ms
(pow (/ x (+ x y)) x)

simplify814.0ms

Counts
76 → 76
Iterations

Useful iterations: 2 (136.0ms)

IterNodesCost
0133864
1319808
21041780
done5000780

prune172.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.3b

localize20.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt x)
0.5b
(* (cbrt (+ x y)) (cbrt (+ x y)))
0.6b
(* (cbrt x) (cbrt x))
1.9b
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
43×cbrt-prod
39×add-sqr-sqrt
37×*-un-lft-identity
24×cbrt-div
23×add-cube-cbrt
21×add-exp-log
19×pow1
15×swap-sqr
13×unpow-prod-down pow1/3 associate-*r* associate-*l*
12×flip3-+ flip-+
frac-times associate-/r/ unswap-sqr
prod-exp distribute-lft-out
pow-exp
expm1-log1p-u associate-*r/ div-exp pow-prod-down associate-*l/ pow-sqr pow-prod-up add-cbrt-cube log1p-expm1-u add-log-exp
pow-unpow
pow2 pow-plus *-commutative cbrt-unprod
pow-to-exp pow-pow times-frac div-inv sqr-pow
Counts
4 → 143
Calls
4 calls:
1.0ms
(cbrt x)
20.0ms
(* (cbrt (+ x y)) (cbrt (+ x y)))
6.0ms
(* (cbrt x) (cbrt x))
16.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

series876.0ms

Counts
4 → 12
Calls
4 calls:
192.0ms
(cbrt x)
179.0ms
(* (cbrt (+ x y)) (cbrt (+ x y)))
208.0ms
(* (cbrt x) (cbrt x))
297.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

simplify850.0ms

Counts
155 → 155
Iterations

Useful iterations: 2 (236.0ms)

IterNodesCost
02282149
15261814
219201729
done50001729

prune478.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (+ x y))
0.5b
(cbrt x)
0.5b
(cbrt x)
0.5b
(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))
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series881.0ms

Counts
4 → 12
Calls
4 calls:
138.0ms
(cbrt (+ x y))
180.0ms
(cbrt x)
378.0ms
(cbrt x)
185.0ms
(cbrt x)

simplify720.0ms

Counts
67 → 67
Iterations

Useful iterations: 3 (142.0ms)

IterNodesCost
073384
1151361
2365335
3978322
done5001322

prune234.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.0b

localize5.0ms

Local error

Found 1 expressions with local error:

0.0b
(/ (exp (- y)) x)

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac
associate-/r* add-cbrt-cube associate-/l*
add-exp-log associate-/l/
pow1 cbrt-undiv neg-sub0 exp-neg expm1-log1p-u frac-2neg exp-diff div-exp clear-num log1p-expm1-u div-inv add-log-exp
Counts
1 → 31
Calls
1 calls:
6.0ms
(/ (exp (- y)) x)

series21.0ms

Counts
1 → 3
Calls
1 calls:
21.0ms
(/ (exp (- y)) x)

simplify1.0s

Counts
34 → 34
Iterations

Useful iterations: 3 (228.0ms)

IterNodesCost
066311
1120300
2335280
31595278
done5000278

prune72.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes61.0ms

Accuracy

96.4% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 5.7b

bsearch74.0ms

Steps
ItersRangePoint
5
2.0587583544234707e-06
6.651833699959797e-06
6.552630352198267e-06
7
-3.430057490437851e+43
-2.7564750964835823e+41
-3.371891914955366e+41

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01949
12445
done2445

end0.0ms

sample1.7s

Algorithm
intervals
Results
663.0ms1582×body1280valid
346.0ms1425×body640valid
205.0ms4873×body80valid
125.0ms812×body320valid
86.0ms2981×body80nan
43.0ms453×body160valid