Details

Time bar (total: 20.9s)

sample110.0ms

Algorithm
intervals
Results
38.0ms54×body1280valid
22.0ms54×body640valid
12.0ms153×body80valid
8.0ms30×body320valid
5.0ms99×body80nan
3.0ms19×body160valid

simplify2.1s

Counts
1 → 1
Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
0811
11511
2249
3499
41059
52419
65789
718549
done50009

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.5b

localize7.0ms

Local error

Found 3 expressions with local error:

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

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
118×*-un-lft-identity
90×unpow-prod-down
80×add-sqr-sqrt add-cube-cbrt
25×associate-/l*
19×distribute-lft-out
16×add-exp-log
12×associate-/r/
div-exp associate-/r* add-cbrt-cube div-inv
flip3-+ flip-+
sqr-pow
pow1 pow-exp
pow-unpow add-log-exp
cbrt-undiv pow-to-exp frac-2neg clear-num
pow-pow
Counts
3 → 172
Calls
3 calls:
47.0ms
(/ (pow (/ x (+ x y)) x) x)
12.0ms
(/ x (+ x y))
14.0ms
(pow (/ x (+ x y)) x)

series535.0ms

Counts
3 → 9
Calls
3 calls:
157.0ms
(/ (pow (/ x (+ x y)) x) x)
42.0ms
(/ x (+ x y))
336.0ms
(pow (/ x (+ x y)) x)

simplify1.1s

Counts
181 → 181
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02762881
15282708
214872650
done50002646

prune593.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize37.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
1.1b
(pow (/ (cbrt x) (cbrt (+ x y))) x)
2.1b
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

rewrite93.0ms

Algorithm
rewrite-expression-head
Rules
61×unpow-prod-down
51×cbrt-prod
48×*-un-lft-identity
43×times-frac
36×add-sqr-sqrt add-cube-cbrt
20×add-exp-log
14×cbrt-div
10×associate-/r/
flip3-+ pow-exp flip-+
pow1 pow-unpow distribute-lft-out
div-exp
frac-times prod-exp add-cbrt-cube add-log-exp
pow-to-exp pow-pow pow1/3 associate-*r/ associate-*l/ div-inv sqr-pow
Counts
4 → 116
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
33.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
49.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

series1.2s

Counts
4 → 12
Calls
4 calls:
268.0ms
(cbrt x)
235.0ms
(cbrt x)
346.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
361.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

simplify2.8s

Counts
128 → 128
Iterations

Useful iterations: 3 (1.4s)

IterNodesCost
02952319
16782162
214671952
341981936
done50001936

prune585.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
1.1b
(pow (/ (cbrt x) (cbrt (+ x y))) x)
1.1b
(pow (/ (cbrt x) (cbrt (+ x y))) x)
1.1b
(pow (/ (cbrt x) (cbrt (+ x y))) x)

rewrite86.0ms

Algorithm
rewrite-expression-head
Rules
144×unpow-prod-down
138×cbrt-prod
126×times-frac
125×*-un-lft-identity
89×add-sqr-sqrt add-cube-cbrt
18×distribute-lft-out
13×add-exp-log
pow-unpow
pow1
cbrt-div pow-exp associate-/r/
add-cbrt-cube add-log-exp
pow-to-exp pow-pow flip3-+ div-exp flip-+ div-inv sqr-pow
pow1/3
Counts
4 → 200
Calls
4 calls:
1.0ms
(cbrt x)
24.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
27.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
20.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)

series1.3s

Counts
4 → 12
Calls
4 calls:
275.0ms
(cbrt x)
373.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
357.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
321.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)

simplify2.0s

Counts
212 → 212
Iterations

Useful iterations: done (2.0s)

IterNodesCost
02083938
14593679
29343592
323693574
done50003556

prune1.4s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 1 expressions with local error:

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

rewrite15.0ms

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:
14.0ms
(/ (exp (- y)) x)

series32.0ms

Counts
1 → 3
Calls
1 calls:
32.0ms
(/ (exp (- y)) x)

simplify2.8s

Counts
32 → 32
Iterations

Useful iterations: 3 (243.0ms)

IterNodesCost
064299
1117289
2281269
3680267
42766267
done5001267

prune91.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

regimes60.0ms

Accuracy

81.9% (1.0b remaining)

Error of 1.0b against oracle of 0.0b and baseline of 5.4b

bsearch209.0ms

Steps
ItersRangePoint
9
1.2167838917470026e-32
2.9088581115424155e-25
2.859517489315194e-25
9
-1.1336114390675675e+140
-1.3239866454658551e+135
-1.335604954605443e+135

simplify6.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
02051
12746
done2746

end0.0ms

sample3.7s

Algorithm
intervals
Results
1.2s1422×body640valid
1.1s1522×body1280valid
334.0ms4873×body80valid
273.0ms877×body320valid
260.0ms3017×body80nan
75.0ms427×body160valid