Details

Time bar (total: 18.5s)

sample91.0ms

Algorithm
intervals
Results
23.0ms31×body1280valid
17.0ms210×body80valid
15.0ms33×body640valid
8.0ms95×body80nan
4.0ms12×body320valid
2.0ms10×body160valid

simplify968.0ms

Counts
1 → 1
Iterations
IterNodes
done5000
61983
5483
4150
354
227
118
010

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.7b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ x (/ (pow (/ y (+ y z)) y) y))
0.0b
(/ (pow (/ y (+ y z)) y) y)
0.0b
(/ y (+ y z))
5.6b
(pow (/ y (+ y z)) y)

rewrite212.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
121×*-un-lft-identity
90×unpow-prod-down
81×add-sqr-sqrt add-cube-cbrt
25×associate-/l*
20×distribute-lft-out
17×add-exp-log
12×associate-/r/
add-cbrt-cube
associate-/r* flip3-+ div-exp flip-+ div-inv
add-log-exp
pow1 sqr-pow
pow-exp
pow-unpow
pow-to-exp cbrt-undiv clear-num frac-2neg
+-commutative sum-log pow-pow
Counts
4 → 184
Calls
4 calls:
95.0ms
(+ x (/ (pow (/ y (+ y z)) y) y))
69.0ms
(/ (pow (/ y (+ y z)) y) y)
18.0ms
(/ y (+ y z))
22.0ms
(pow (/ y (+ y z)) y)

series778.0ms

Counts
4 → 12
Calls
4 calls:
133.0ms
(+ x (/ (pow (/ y (+ y z)) y) y))
215.0ms
(/ (pow (/ y (+ y z)) y) y)
54.0ms
(/ y (+ y z))
376.0ms
(pow (/ y (+ y z)) y)

simplify1.6s

Counts
196 → 196
Iterations
IterNodes
done5001
23058
1718
0299

prune1.2s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.8b

localize52.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt y)
0.6b
(* (cbrt (+ y z)) (cbrt (+ y z)))
1.0b
(pow (/ (cbrt y) (cbrt (+ y z))) y)
1.9b
(pow (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ y z)) (cbrt (+ y z)))) y)

rewrite91.0ms

Algorithm
rewrite-expression-head
Rules
72×cbrt-prod
69×*-un-lft-identity
61×unpow-prod-down
51×add-sqr-sqrt
43×times-frac add-cube-cbrt
26×cbrt-div
22×add-exp-log
13×pow1 flip3-+ flip-+
12×distribute-lft-out
10×associate-/r/
swap-sqr
frac-times
pow1/3 associate-*r* associate-*l* pow-exp
pow-unpow
div-exp prod-exp
add-cbrt-cube associate-*l/ associate-*r/ add-log-exp unswap-sqr
pow-to-exp pow-pow pow-prod-down pow-sqr pow-prod-up div-inv sqr-pow
pow2 pow-plus *-commutative cbrt-unprod
Counts
4 → 158
Calls
4 calls:
1.0ms
(cbrt y)
29.0ms
(* (cbrt (+ y z)) (cbrt (+ y z)))
22.0ms
(pow (/ (cbrt y) (cbrt (+ y z))) y)
33.0ms
(pow (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ y z)) (cbrt (+ y z)))) y)

series1.5s

Counts
4 → 12
Calls
4 calls:
319.0ms
(cbrt y)
292.0ms
(* (cbrt (+ y z)) (cbrt (+ y z)))
452.0ms
(pow (/ (cbrt y) (cbrt (+ y z))) y)
455.0ms
(pow (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ y z)) (cbrt (+ y z)))) y)

simplify2.1s

Counts
170 → 170
Iterations
IterNodes
done5000
24213
11104
0338

prune1.2s

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize88.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt y)
1.0b
(pow (/ (cbrt y) (cbrt (+ y z))) y)
1.0b
(pow (/ (cbrt y) (cbrt (+ y z))) y)
1.0b
(pow (/ (cbrt y) (cbrt (+ y z))) y)

rewrite72.0ms

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)
28.0ms
(pow (/ (cbrt y) (cbrt (+ y z))) y)
19.0ms
(pow (/ (cbrt y) (cbrt (+ y z))) y)
15.0ms
(pow (/ (cbrt y) (cbrt (+ y z))) y)

series1.6s

Counts
4 → 12
Calls
4 calls:
261.0ms
(cbrt y)
447.0ms
(pow (/ (cbrt y) (cbrt (+ y z))) y)
432.0ms
(pow (/ (cbrt y) (cbrt (+ y z))) y)
436.0ms
(pow (/ (cbrt y) (cbrt (+ y z))) y)

simplify1.1s

Counts
212 → 212
Iterations
IterNodes
done5000
22077
1655
0208

prune1.6s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize21.0ms

Local error

Found 2 expressions with local error:

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

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
12×*-un-lft-identity
10×add-sqr-sqrt add-cube-cbrt
times-frac
add-cbrt-cube add-log-exp
associate-/r* add-exp-log associate-/l*
pow1 associate-/l/
neg-sub0 exp-neg cbrt-undiv +-commutative clear-num sum-log frac-2neg flip3-+ exp-diff div-exp flip-+ div-inv distribute-lft-out
Counts
2 → 41
Calls
2 calls:
34.0ms
(+ (/ (exp (- z)) y) x)
24.0ms
(/ (exp (- z)) y)

series73.0ms

Counts
2 → 6
Calls
2 calls:
48.0ms
(+ (/ (exp (- z)) y) x)
25.0ms
(/ (exp (- z)) y)

simplify610.0ms

Counts
47 → 47
Iterations
IterNodes
done5000
2823
1198
087

prune170.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

regimes151.0ms

Accuracy

0% (0.8b remaining)

Error of 0.9b against oracle of 0.1b and baseline of 0.9b

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done14
114
012

end0.0ms

sample3.2s

Algorithm
intervals
Results
1.1s6571×body80valid
611.0ms742×body1280valid
538.0ms943×body640valid
197.0ms550×body320valid
180.0ms3033×body80nan
61.0ms338×body160valid