Details

Time bar (total: 18.6s)

sample84.0ms

Algorithm
intervals
Results
19.0ms227×body80valid
17.0ms23×body1280valid
10.0ms22×body640valid
7.0ms107×body80nan
3.0ms10×body320valid
1.0msbody160valid

simplify1.4s

Counts
1 → 1
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
01013
11813
22711
35511
415411
550811
6208511
done500111

prune12.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.6b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (pow (/ y (+ z y)) y) y)
0.0b
(+ x (/ (pow (/ y (+ z y)) y) y))
0.0b
(/ y (+ z y))
6.8b
(pow (/ y (+ z y)) y)

rewrite178.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
122×*-un-lft-identity
90×unpow-prod-down
82×add-sqr-sqrt add-cube-cbrt
25×associate-/l*
20×distribute-lft-out
17×add-exp-log
12×associate-/r/
add-cbrt-cube
flip3-+ div-exp associate-/r* flip-+ div-inv
add-log-exp
pow1 sqr-pow
expm1-log1p-u pow-exp log1p-expm1-u
pow-unpow fma-def
cbrt-undiv pow-to-exp frac-2neg clear-num
+-commutative pow-pow sum-log
Counts
4 → 195
Calls
4 calls:
63.0ms
(/ (pow (/ y (+ z y)) y) y)
74.0ms
(+ x (/ (pow (/ y (+ z y)) y) y))
11.0ms
(/ y (+ z y))
19.0ms
(pow (/ y (+ z y)) y)

series578.0ms

Counts
4 → 12
Calls
4 calls:
166.0ms
(/ (pow (/ y (+ z y)) y) y)
82.0ms
(+ x (/ (pow (/ y (+ z y)) y) y))
63.0ms
(/ y (+ z y))
266.0ms
(pow (/ y (+ z y)) y)

simplify1.9s

Counts
207 → 207
Iterations

Useful iterations: done (1.9s)

IterNodesCost
03083208
17442995
232052927
done50012925

prune874.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.3b

localize41.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (+ z y))
0.6b
(cbrt (+ z y))
0.7b
(pow (/ (cbrt y) (cbrt (+ z y))) y)
1.5b
(pow (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ z y)) (cbrt (+ z y)))) y)

rewrite99.0ms

Algorithm
rewrite-expression-head
Rules
61×unpow-prod-down
53×cbrt-prod
52×*-un-lft-identity
43×times-frac
36×add-sqr-sqrt add-cube-cbrt
20×add-exp-log
18×cbrt-div
10×associate-/r/
flip3-+ flip-+
distribute-lft-out
pow-exp
pow1 pow-unpow
div-exp
expm1-log1p-u frac-times prod-exp add-cbrt-cube log1p-expm1-u add-log-exp
pow-to-exp pow-pow pow1/3 associate-*r/ associate-*l/ div-inv sqr-pow
Counts
4 → 130
Calls
4 calls:
4.0ms
(cbrt (+ z y))
7.0ms
(cbrt (+ z y))
31.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)
46.0ms
(pow (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ z y)) (cbrt (+ z y)))) y)

series1.2s

Counts
4 → 12
Calls
4 calls:
191.0ms
(cbrt (+ z y))
205.0ms
(cbrt (+ z y))
370.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)
387.0ms
(pow (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ z y)) (cbrt (+ z y)))) y)

simplify2.2s

Counts
142 → 142
Iterations

Useful iterations: done (2.2s)

IterNodesCost
03142587
110172403
233952260
done50002204

prune974.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize40.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (+ z y))
0.7b
(pow (/ (cbrt y) (cbrt (+ z y))) y)
0.7b
(pow (/ (cbrt y) (cbrt (+ z y))) y)
0.7b
(pow (/ (cbrt y) (cbrt (+ z y))) y)

rewrite136.0ms

Algorithm
rewrite-expression-head
Rules
144×unpow-prod-down
139×cbrt-prod
127×*-un-lft-identity
126×times-frac
89×add-sqr-sqrt add-cube-cbrt
19×distribute-lft-out
13×add-exp-log
pow-unpow
cbrt-div
pow1
pow-exp associate-/r/
expm1-log1p-u flip3-+ add-cbrt-cube flip-+ log1p-expm1-u add-log-exp
pow-to-exp pow-pow div-exp div-inv sqr-pow
pow1/3
Counts
4 → 211
Calls
4 calls:
9.0ms
(cbrt (+ z y))
40.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)
40.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)
20.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)

series1.6s

Counts
4 → 12
Calls
4 calls:
218.0ms
(cbrt (+ z y))
486.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)
429.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)
420.0ms
(pow (/ (cbrt y) (cbrt (+ z y))) y)

simplify1.4s

Counts
223 → 223
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02254104
17043826
223663737
done50013733

prune1.3s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 2 expressions with local error:

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

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
11×add-sqr-sqrt add-cube-cbrt
times-frac
add-cbrt-cube add-log-exp
add-exp-log fma-def associate-/r* associate-/l*
pow1 expm1-log1p-u log1p-expm1-u associate-/l/
cbrt-undiv +-commutative neg-sub0 exp-neg frac-2neg flip3-+ exp-diff div-exp clear-num sum-log flip-+ div-inv distribute-lft-out
Counts
2 → 48
Calls
2 calls:
25.0ms
(/ (exp (- z)) y)
38.0ms
(+ x (/ (exp (- z)) y))

series59.0ms

Counts
2 → 6
Calls
2 calls:
28.0ms
(/ (exp (- z)) y)
30.0ms
(+ x (/ (exp (- z)) y))

simplify701.0ms

Counts
54 → 54
Iterations

Useful iterations: done (698.0ms)

IterNodesCost
089496
1199468
2767442
done5000437

prune346.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0.0b

regimes158.0ms

Accuracy

0% (1.0b remaining)

Error of 1.1b against oracle of 0.0b and baseline of 1.1b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01233
11433
done1433

end0.0ms

sample3.4s

Algorithm
intervals
Results
1.2s787×body1280valid
714.0ms6576×body80valid
429.0ms960×body640valid
250.0ms2957×body80nan
155.0ms524×body320valid
59.0ms320×body160valid