Details

Time bar (total: 25.9s)

sample41.0ms

Algorithm
intervals
Results
19.0ms273×body80valid

simplify159.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (13.0ms)

IterNodesCost
0911
12111
24010
36710
410010
513010
613210
done13210

prune11.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 3.8b

localize17.0ms

Local error

Found 2 expressions with local error:

0.5b
(/ (/ 1.0 x) y)
3.9b
(/ (/ (/ 1.0 x) y) (fma z z 1.0))

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
468×times-frac
228×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
56×associate-/l*
22×div-inv
16×add-exp-log add-cbrt-cube
cbrt-undiv div-exp
associate-/r*
pow1 expm1-log1p-u frac-2neg clear-num log1p-expm1-u associate-/l/ add-log-exp
Counts
2 → 266
Calls
2 calls:
13.0ms
(/ (/ 1.0 x) y)
42.0ms
(/ (/ (/ 1.0 x) y) (fma z z 1.0))

series126.0ms

Counts
2 → 6
Calls
2 calls:
40.0ms
(/ (/ 1.0 x) y)
86.0ms
(/ (/ (/ 1.0 x) y) (fma z z 1.0))

simplify2.0s

Counts
272 → 272
Iterations

Useful iterations: done (2.0s)

IterNodesCost
04715328
110665051
228244931
done50004929

prune1.3s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.3b

localize18.0ms

Local error

Found 2 expressions with local error:

0.5b
(/ 1.0 (* x y))
3.9b
(/ (* 1 (/ 1.0 (* x y))) (fma z z 1.0))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
30×add-exp-log
21×add-cbrt-cube
13×div-exp
prod-exp
cbrt-undiv
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac
cbrt-unprod
associate-/r* associate-/l*
1-exp
pow1 expm1-log1p-u frac-2neg clear-num log1p-expm1-u div-inv add-log-exp
associate-*r/ associate-/l/
Counts
2 → 54
Calls
2 calls:
15.0ms
(/ 1.0 (* x y))
36.0ms
(/ (* 1 (/ 1.0 (* x y))) (fma z z 1.0))

series160.0ms

Counts
2 → 6
Calls
2 calls:
41.0ms
(/ 1.0 (* x y))
119.0ms
(/ (* 1 (/ 1.0 (* x y))) (fma z z 1.0))

simplify1.5s

Counts
60 → 60
Iterations

Useful iterations: done (1.5s)

IterNodesCost
0119792
1279699
21012565
done5001563

prune212.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.3b

localize29.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
1.8b
(/ (/ (/ (sqrt 1.0) (cbrt x)) (cbrt y)) (fma z z 1.0))
1.9b
(* (/ (/ (sqrt 1.0) (* (cbrt x) (cbrt x))) (* (cbrt y) (cbrt y))) (/ (/ (/ (sqrt 1.0) (cbrt x)) (cbrt y)) (fma z z 1.0)))

rewrite1.1s

Algorithm
rewrite-expression-head
Rules
4848×times-frac
2329×add-sqr-sqrt
2117×add-cube-cbrt *-un-lft-identity
1638×cbrt-prod
787×sqrt-prod
736×associate-*r*
244×associate-/l*
171×add-exp-log
107×add-cbrt-cube
88×cbrt-undiv div-exp
53×div-inv
48×prod-exp cbrt-unprod unswap-sqr
14×associate-*l*
pow1
expm1-log1p-u log1p-expm1-u add-log-exp
associate-/r*
pow1/3
frac-times frac-2neg associate-*r/ pow-prod-down associate-*l/ clear-num *-commutative associate-/l/
Counts
4 → 1892
Calls
4 calls:
2.0ms
(cbrt y)
2.0ms
(cbrt y)
144.0ms
(/ (/ (/ (sqrt 1.0) (cbrt x)) (cbrt y)) (fma z z 1.0))
663.0ms
(* (/ (/ (sqrt 1.0) (* (cbrt x) (cbrt x))) (* (cbrt y) (cbrt y))) (/ (/ (/ (sqrt 1.0) (cbrt x)) (cbrt y)) (fma z z 1.0)))

series1.1s

Counts
4 → 12
Calls
4 calls:
312.0ms
(cbrt y)
274.0ms
(cbrt y)
250.0ms
(/ (/ (/ (sqrt 1.0) (cbrt x)) (cbrt y)) (fma z z 1.0))
259.0ms
(* (/ (/ (sqrt 1.0) (* (cbrt x) (cbrt x))) (* (cbrt y) (cbrt y))) (/ (/ (/ (sqrt 1.0) (cbrt x)) (cbrt y)) (fma z z 1.0)))

simplify2.0s

Counts
1904 → 1904
Iterations

Useful iterations: done (1.9s)

IterNodesCost
0215961468
done500058656

prune12.8s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 3.3b

localize18.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ 1.0 (* (fma z z 1.0) x))
2.4b
(/ (/ 1.0 (* (fma z z 1.0) x)) y)
3.6b
(* (fma z z 1.0) x)

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
36×times-frac
25×add-sqr-sqrt
23×add-cube-cbrt *-un-lft-identity
19×add-exp-log add-cbrt-cube
10×associate-/l*
cbrt-undiv div-exp
div-inv
pow1
associate-/r*
expm1-log1p-u associate-*r* associate-*l* prod-exp cbrt-unprod log1p-expm1-u add-log-exp
frac-2neg clear-num
pow-prod-down *-commutative associate-/l/ unswap-sqr
Counts
3 → 93
Calls
3 calls:
9.0ms
(/ 1.0 (* (fma z z 1.0) x))
22.0ms
(/ (/ 1.0 (* (fma z z 1.0) x)) y)
13.0ms
(* (fma z z 1.0) x)

series213.0ms

Counts
3 → 9
Calls
3 calls:
76.0ms
(/ 1.0 (* (fma z z 1.0) x))
81.0ms
(/ (/ 1.0 (* (fma z z 1.0) x)) y)
55.0ms
(* (fma z z 1.0) x)

simplify1.6s

Counts
102 → 102
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01791418
14081375
212771205
done50001202

prune271.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 3.3b

regimes194.0ms

Accuracy

0% (1.1b remaining)

Error of 6.3b against oracle of 5.2b and baseline of 6.3b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01628
11728
done1728

end0.0ms

sample828.0ms

Algorithm
intervals
Results
405.0ms8614×body80valid