Details

Time bar (total: 19.8s)

sample77.0ms

Algorithm
intervals
Results
28.0ms57×body1280valid
14.0ms48×body640valid
8.0ms161×body80valid
5.0ms27×body320valid
4.0ms103×body80nan
2.0ms15×body160valid

simplify2.4s

Counts
1 → 1
Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
0811
11511
2249
3499
41059
52419
65789
718549
done50009

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.7b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ x (+ x y))
6.1b
(pow (/ x (+ x y)) x)

rewrite28.0ms

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:
11.0ms
(/ x (+ x y))
14.0ms
(pow (/ x (+ x y)) x)

series429.0ms

Counts
2 → 6
Calls
2 calls:
62.0ms
(/ x (+ x y))
367.0ms
(pow (/ x (+ x y)) x)

simplify2.0s

Counts
72 → 72
Iterations

Useful iterations: done (2.0s)

IterNodesCost
0129836
1305785
2738756
31992754
done5001749

prune288.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.5b

localize37.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (+ x y))
0.5b
(* (cbrt x) (cbrt x))
1.0b
(pow (/ (cbrt x) (cbrt (+ x y))) x)
2.2b
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

rewrite147.0ms

Algorithm
rewrite-expression-head
Rules
65×cbrt-prod
61×unpow-prod-down
57×*-un-lft-identity
51×add-sqr-sqrt
43×add-cube-cbrt times-frac
22×add-exp-log
16×cbrt-div
13×pow1
10×associate-/r/
flip3-+ flip-+
pow1/3 pow-exp distribute-lft-out
pow-unpow swap-sqr associate-*r* associate-*l*
div-exp prod-exp
frac-times add-cbrt-cube add-log-exp unswap-sqr
pow-to-exp pow-pow associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up div-inv sqr-pow
pow2 pow-plus *-commutative cbrt-unprod
Counts
4 → 148
Calls
4 calls:
10.0ms
(cbrt (+ x y))
27.0ms
(* (cbrt x) (cbrt x))
38.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
57.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

series1.3s

Counts
4 → 12
Calls
4 calls:
174.0ms
(cbrt (+ x y))
305.0ms
(* (cbrt x) (cbrt x))
377.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
465.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

simplify1.5s

Counts
160 → 160
Iterations

Useful iterations: done (1.5s)

IterNodesCost
03382679
17822470
218312219
done50002200

prune724.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (+ x y))
0.5b
(cbrt (+ x y))
1.0b
(pow (/ (cbrt x) (cbrt (+ x y))) x)
2.8b
(log (/ (cbrt x) (cbrt (+ x y))))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
98×cbrt-prod
89×*-un-lft-identity
84×times-frac
61×add-sqr-sqrt add-cube-cbrt
48×unpow-prod-down log-prod
14×distribute-lft-out
10×add-exp-log
cbrt-div
pow1
flip3-+ associate-/r/ add-cbrt-cube flip-+ add-log-exp
pow-unpow
pow1/3 div-exp rem-log-exp pow-exp div-inv
pow-to-exp log-div pow-pow log-pow sqr-pow
Counts
4 → 150
Calls
4 calls:
4.0ms
(cbrt (+ x y))
4.0ms
(cbrt (+ x y))
33.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
9.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

series872.0ms

Counts
4 → 12
Calls
4 calls:
178.0ms
(cbrt (+ x y))
209.0ms
(cbrt (+ x y))
375.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
109.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

simplify2.0s

Counts
162 → 162
Iterations

Useful iterations: 3 (835.0ms)

IterNodesCost
02872677
16362499
212752450
331612405
done50002405

prune797.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 1 expressions with local error:

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

rewrite31.0ms

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 frac-2neg exp-diff div-exp clear-num div-inv add-log-exp
Counts
1 → 29
Calls
1 calls:
29.0ms
(/ (exp (- y)) x)

series38.0ms

Counts
1 → 3
Calls
1 calls:
38.0ms
(/ (exp (- y)) x)

simplify2.7s

Counts
32 → 32
Iterations

Useful iterations: 3 (208.0ms)

IterNodesCost
064299
1117289
2281269
3680267
42766267
done5001267

prune91.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

regimes77.0ms

Accuracy

99.7% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 5.5b

bsearch216.0ms

Steps
ItersRangePoint
9
2.9210494299769893e-08
3.811728419345326
3.548587978717038
10
-2.4955120319962723e+20
-128623.8930200133
-2375445713.2073126

simplify4.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
02547
13440
done3440

end0.0ms

sample3.9s

Algorithm
intervals
Results
1.6s1538×body1280valid
705.0ms1492×body640valid
424.0ms4916×body80valid
322.0ms2973×body80nan
251.0ms805×body320valid
76.0ms418×body160valid