Details

Time bar (total: 21.5s)

sample65.0ms

Algorithm
intervals
Results
17.0ms205×body80valid
11.0ms36×body640valid
9.0ms19×body1280valid
5.0ms25×body320valid
3.0ms76×body80nan
1.0msbody160valid

simplify1.9s

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01013
11813
22711
35211
410811
524411
657711
7185011
done500011

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 4.7b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ (pow (/ y (+ z y)) y) y))
0.0b
(/ y (+ z y))
5.1b
(pow (/ y (+ z y)) y)

rewrite152.0ms

Algorithm
rewrite-expression-head
Rules
37×*-un-lft-identity
24×times-frac
21×add-sqr-sqrt add-cube-cbrt
18×unpow-prod-down
add-exp-log distribute-lft-out
add-cbrt-cube add-log-exp
pow1 associate-/r* associate-/r/
pow-unpow flip3-+ flip-+ associate-/l*
div-exp pow-exp div-inv
cbrt-undiv +-commutative pow-to-exp pow-pow frac-2neg clear-num sum-log sqr-pow
Counts
3 → 78
Calls
3 calls:
105.0ms
(+ x (/ (pow (/ y (+ z y)) y) y))
18.0ms
(/ y (+ z y))
23.0ms
(pow (/ y (+ z y)) y)

series484.0ms

Counts
3 → 9
Calls
3 calls:
126.0ms
(+ x (/ (pow (/ y (+ z y)) y) y))
66.0ms
(/ y (+ z y))
292.0ms
(pow (/ y (+ z y)) y)

simplify2.0s

Counts
87 → 87
Iterations

Useful iterations: 3 (957.0ms)

IterNodesCost
01581091
13901024
2976970
32786964
done5002964

prune260.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0b

localize38.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
1.2b
(pow (/ (cbrt y) (cbrt (+ z y))) y)
2.2b
(pow (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ z y)) (cbrt (+ z y)))) y)

rewrite99.0ms

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 y)
1.0ms
(cbrt y)
32.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)
55.0ms
(pow (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ z y)) (cbrt (+ z y)))) y)

series1.2s

Counts
4 → 12
Calls
4 calls:
222.0ms
(cbrt y)
215.0ms
(cbrt y)
359.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)
395.0ms
(pow (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ z y)) (cbrt (+ z y)))) y)

simplify2.4s

Counts
128 → 128
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
02952319
16782162
214681952
342441927
done50001927

prune551.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize25.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
1.2b
(pow (/ (cbrt y) (cbrt (+ z y))) y)
1.2b
(pow (/ (cbrt y) (cbrt (+ z y))) y)
1.2b
(pow (/ (cbrt y) (cbrt (+ z y))) y)

rewrite78.0ms

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 y)
19.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)
25.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)
20.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)

series1.3s

Counts
4 → 12
Calls
4 calls:
250.0ms
(cbrt y)
377.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)
345.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)
354.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)

simplify1.8s

Counts
212 → 212
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02083938
14593679
29343592
324003562
done50003550

prune937.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize17.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (+ x (/ (pow (/ y (+ z y)) y) y)))
5.1b
(pow (/ y (+ z y)) y)
5.1b
(pow (/ y (+ z y)) y)
5.1b
(pow (/ y (+ z y)) y)

rewrite173.0ms

Algorithm
rewrite-expression-head
Rules
54×unpow-prod-down
52×*-un-lft-identity
36×times-frac
32×add-sqr-sqrt add-cube-cbrt
13×add-exp-log
10×distribute-lft-out
pow-unpow
pow1
pow-exp associate-/r/
cbrt-prod flip3-+ add-cbrt-cube flip-+ add-log-exp
pow-to-exp pow-pow div-exp div-inv sqr-pow
cbrt-div
pow1/3
Counts
4 → 113
Calls
4 calls:
107.0ms
(cbrt (+ x (/ (pow (/ y (+ z y)) y) y)))
24.0ms
(pow (/ y (+ z y)) y)
21.0ms
(pow (/ y (+ z y)) y)
14.0ms
(pow (/ y (+ z y)) y)

series1.7s

Counts
4 → 12
Calls
4 calls:
376.0ms
(cbrt (+ x (/ (pow (/ y (+ z y)) y) y)))
302.0ms
(pow (/ y (+ z y)) y)
668.0ms
(pow (/ y (+ z y)) y)
355.0ms
(pow (/ y (+ z y)) y)

simplify2.1s

Counts
125 → 125
Iterations

Useful iterations: 3 (948.0ms)

IterNodesCost
01761932
14231806
29941752
329151722
done50011722

prune549.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

regimes112.0ms

Accuracy

0% (0.9b remaining)

Error of 1.2b against oracle of 0.2b and baseline of 1.2b

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01233
11533
done1533

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.1s739×body1280valid
637.0ms6463×body80valid
578.0ms975×body640valid
286.0ms3145×body80nan
282.0ms592×body320valid
65.0ms336×body160valid