Details

Time bar (total: 19.8s)

sample108.0ms

Algorithm
intervals
Results
35.0ms54×body1280valid
23.0ms54×body640valid
12.0ms99×body80nan
11.0ms153×body80valid
8.0ms30×body320valid
3.0ms19×body160valid

simplify1.9s

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
0811
11511
2249
3499
41059
52419
65789
718549
done50009

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.5b

localize8.0ms

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)

rewrite99.0ms

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:
55.0ms
(/ (pow (/ x (+ x y)) x) x)
11.0ms
(/ x (+ x y))
17.0ms
(pow (/ x (+ x y)) x)

series547.0ms

Counts
3 → 9
Calls
3 calls:
212.0ms
(/ (pow (/ x (+ x y)) x) x)
50.0ms
(/ x (+ x y))
284.0ms
(pow (/ x (+ x y)) x)

simplify1.3s

Counts
181 → 181
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02762881
15282708
214872650
done50002646

prune453.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 4 expressions with local error:

0.6b
(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)

rewrite60.0ms

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)
25.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
28.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

series1.3s

Counts
4 → 12
Calls
4 calls:
282.0ms
(cbrt x)
258.0ms
(cbrt x)
351.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
376.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

simplify2.4s

Counts
128 → 128
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
02952319
16782162
214671952
341981936
done50001936

prune546.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize20.0ms

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)
4.9b
(log (/ (cbrt x) (cbrt (+ x y))))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
96×cbrt-prod
85×*-un-lft-identity
84×times-frac
61×add-sqr-sqrt add-cube-cbrt
48×unpow-prod-down log-prod
12×distribute-lft-out
10×add-exp-log
pow1
cbrt-div associate-/r/ add-cbrt-cube add-log-exp
pow-unpow
flip3-+ pow1/3 div-exp rem-log-exp pow-exp flip-+ div-inv
pow-to-exp log-div pow-pow log-pow sqr-pow
Counts
4 → 144
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
32.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
14.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

series933.0ms

Counts
4 → 12
Calls
4 calls:
250.0ms
(cbrt x)
269.0ms
(cbrt x)
332.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
83.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

simplify2.0s

Counts
156 → 156
Iterations

Useful iterations: 3 (865.0ms)

IterNodesCost
02742485
15982317
211922241
330222196
done50002196

prune759.0ms

Pruning

2 alts after pruning (1 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)

series40.0ms

Counts
1 → 3
Calls
1 calls:
40.0ms
(/ (exp (- y)) x)

simplify3.3s

Counts
32 → 32
Iterations

Useful iterations: 3 (228.0ms)

IterNodesCost
064299
1117289
2281269
3680267
42766267
done5001267

prune75.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

regimes56.0ms

Accuracy

81.8% (1.0b remaining)

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

bsearch187.0ms

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

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02547
13440
done3440

end0.0ms

sample3.7s

Algorithm
intervals
Results
1.1s1522×body1280valid
703.0ms877×body320valid
671.0ms1422×body640valid
581.0ms4873×body80valid
240.0ms3017×body80nan
74.0ms427×body160valid