Details

Time bar (total: 21.2s)

sample142.0ms

Algorithm
intervals
Results
53.0ms57×body1280valid
26.0ms48×body640valid
16.0ms161×body80valid
10.0ms27×body320valid
8.0ms103×body80nan
3.0ms15×body160valid

simplify2.4s

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
0811
11511
2249
3499
41079
52459
65809
718509
done50009

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.7b

localize9.0ms

Local error

Found 2 expressions with local error:

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

rewrite53.0ms

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:
24.0ms
(/ x (+ x y))
18.0ms
(pow (/ x (+ x y)) x)

series417.0ms

Counts
2 → 6
Calls
2 calls:
59.0ms
(/ x (+ x y))
358.0ms
(pow (/ x (+ x y)) x)

simplify1.9s

Counts
76 → 76
Iterations

Useful iterations: done (1.9s)

IterNodesCost
0133864
1316808
2781780
32157779
done5001775

prune283.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.5b

localize58.0ms

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)

rewrite125.0ms

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
expm1-log1p-u frac-times add-cbrt-cube log1p-expm1-u 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 → 156
Calls
4 calls:
7.0ms
(cbrt (+ x y))
30.0ms
(* (cbrt x) (cbrt x))
43.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
37.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

series1.3s

Counts
4 → 12
Calls
4 calls:
223.0ms
(cbrt (+ x y))
314.0ms
(* (cbrt x) (cbrt x))
373.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
410.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

simplify1.6s

Counts
168 → 168
Iterations

Useful iterations: done (1.6s)

IterNodesCost
03462757
18022531
219082264
done50002250

prune809.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize25.0ms

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))))

rewrite78.0ms

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
expm1-log1p-u flip3-+ associate-/r/ add-cbrt-cube flip-+ log1p-expm1-u 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 → 158
Calls
4 calls:
5.0ms
(cbrt (+ x y))
5.0ms
(cbrt (+ x y))
30.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
16.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

series882.0ms

Counts
4 → 12
Calls
4 calls:
214.0ms
(cbrt (+ x y))
151.0ms
(cbrt (+ x y))
409.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
108.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

simplify3.0s

Counts
170 → 170
Iterations

Useful iterations: done (3.0s)

IterNodesCost
02932735
16502547
213292498
333542454
done50012451

prune1.1s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 1 expressions with local error:

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

rewrite27.0ms

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:
25.0ms
(/ (exp (- y)) x)

series30.0ms

Counts
1 → 3
Calls
1 calls:
30.0ms
(/ (exp (- y)) x)

simplify2.7s

Counts
34 → 34
Iterations

Useful iterations: 3 (232.0ms)

IterNodesCost
066311
1120300
2293280
3709278
42815278
done5002278

prune115.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

regimes68.0ms

Accuracy

99.7% (0.0b remaining)

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

bsearch147.0ms

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

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02547
13440
done3440

end0.0ms

sample3.9s

Algorithm
intervals
Results
1.6s1538×body1280valid
730.0ms1492×body640valid
484.0ms4916×body80valid
267.0ms805×body320valid
251.0ms2973×body80nan
73.0ms418×body160valid