Details

Time bar (total: 16.2s)

sample43.0ms

Algorithm
intervals
Results
19.0ms265×body80valid

simplify838.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01417
12317
23717
36517
410217
513817
616417
723317
851517
9141417
done500017

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 24.2b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (- b y))
0.0b
(* z (- t a))
0.7b
(+ (* x y) (* z (- t a)))
23.5b
(/ (+ (* x y) (* z (- t a))) (+ y (* z (- b y))))

rewrite95.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt
20×*-un-lft-identity
16×add-cube-cbrt
10×add-exp-log associate-*r* add-cbrt-cube
times-frac
pow1
distribute-rgt-in sub-neg distribute-lft-in associate-*l* add-log-exp
associate-+r+ associate-*r/
flip3-+ associate-/r* flip-+ associate-/l*
flip3-- pow-prod-down prod-exp associate-/r/ *-commutative flip-- cbrt-unprod associate-/l/ distribute-lft-out-- difference-of-squares unswap-sqr
cbrt-undiv +-commutative frac-2neg div-exp clear-num sum-log div-inv
Counts
4 → 98
Calls
4 calls:
21.0ms
(* z (- b y))
26.0ms
(* z (- t a))
10.0ms
(+ (* x y) (* z (- t a)))
35.0ms
(/ (+ (* x y) (* z (- t a))) (+ y (* z (- b y))))

series584.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(* z (- b y))
53.0ms
(* z (- t a))
65.0ms
(+ (* x y) (* z (- t a)))
425.0ms
(/ (+ (* x y) (* z (- t a))) (+ y (* z (- b y))))

simplify797.0ms

Counts
110 → 110
Iterations

Useful iterations: 2 (210.0ms)

IterNodesCost
01691522
14281458
216071348
done50001348

prune357.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 23.5b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (- t a))
0.7b
(/ 1 (+ y (* z (- b y))))
0.7b
(+ (* x y) (* z (- t a)))
23.4b
(* (+ (* x y) (* z (- t a))) (/ 1 (+ y (* z (- b y)))))

rewrite126.0ms

Algorithm
rewrite-expression-head
Rules
33×add-sqr-sqrt
25×*-un-lft-identity
22×add-cube-cbrt
20×times-frac associate-*r*
19×add-exp-log
13×add-cbrt-cube
pow1
associate-*l* add-log-exp
flip3-+ prod-exp flip-+
distribute-rgt-in sub-neg associate-+r+ distribute-lft-in div-exp associate-/r/ unswap-sqr
associate-*r/ associate-/r* cbrt-unprod associate-/l*
cbrt-undiv frac-times rec-exp 1-exp pow-prod-down associate-*l/ *-commutative div-inv
+-commutative flip3-- pow-flip frac-2neg clear-num sum-log un-div-inv flip-- distribute-lft-out-- inv-pow difference-of-squares
Counts
4 → 116
Calls
4 calls:
31.0ms
(* z (- t a))
15.0ms
(/ 1 (+ y (* z (- b y))))
15.0ms
(+ (* x y) (* z (- t a)))
59.0ms
(* (+ (* x y) (* z (- t a))) (/ 1 (+ y (* z (- b y)))))

series591.0ms

Counts
4 → 12
Calls
4 calls:
54.0ms
(* z (- t a))
93.0ms
(/ 1 (+ y (* z (- b y))))
53.0ms
(+ (* x y) (* z (- t a)))
391.0ms
(* (+ (* x y) (* z (- t a))) (/ 1 (+ y (* z (- b y)))))

simplify2.3s

Counts
128 → 128
Iterations

Useful iterations: done (2.3s)

IterNodesCost
01742024
14831883
228181662
done50011656

prune465.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 23.5b

localize28.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- b y))
0.6b
(cbrt (- b y))
0.7b
(+ (* x y) (* z (- t a)))
23.5b
(/ (+ (* x y) (* z (- t a))) (+ y (* (* z (* (cbrt (- b y)) (cbrt (- b y)))) (cbrt (- b y)))))

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt *-un-lft-identity
14×add-cube-cbrt
10×cbrt-prod
times-frac
add-exp-log add-cbrt-cube add-log-exp
pow1 cbrt-div associate-+r+
flip3-+ associate-/r* flip-+ associate-/l*
distribute-rgt-in sub-neg flip3-- distribute-lft-in pow1/3 associate-/r/ flip-- associate-/l/ distribute-lft-out-- difference-of-squares
cbrt-undiv +-commutative frac-2neg div-exp clear-num sum-log div-inv
Counts
4 → 76
Calls
4 calls:
4.0ms
(cbrt (- b y))
8.0ms
(cbrt (- b y))
10.0ms
(+ (* x y) (* z (- t a)))
33.0ms
(/ (+ (* x y) (* z (- t a))) (+ y (* (* z (* (cbrt (- b y)) (cbrt (- b y)))) (cbrt (- b y)))))

series887.0ms

Counts
4 → 12
Calls
4 calls:
184.0ms
(cbrt (- b y))
181.0ms
(cbrt (- b y))
68.0ms
(+ (* x y) (* z (- t a)))
454.0ms
(/ (+ (* x y) (* z (- t a))) (+ y (* (* z (* (cbrt (- b y)) (cbrt (- b y)))) (cbrt (- b y)))))

simplify774.0ms

Counts
88 → 88
Iterations

Useful iterations: done (771.0ms)

IterNodesCost
01571966
13871936
214091320
done50001300

prune476.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 23.5b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (- t a))
0.2b
(/ 1 (/ (+ (* (- b y) z) y) (+ (* x y) (* z (- t a)))))
0.7b
(+ (* x y) (* z (- t a)))
23.5b
(/ (+ (* (- b y) z) y) (+ (* x y) (* z (- t a))))

rewrite156.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
62×add-sqr-sqrt
60×*-un-lft-identity
58×add-cube-cbrt
19×add-exp-log
18×associate-/r*
13×add-cbrt-cube
11×associate-/r/
div-exp
pow1 flip3-+ flip-+
div-inv associate-/l* add-log-exp
associate-*r*
cbrt-undiv distribute-rgt-in sub-neg associate-+r+ distribute-lft-in
associate-*l*
rec-exp frac-2neg 1-exp associate-*r/ clear-num associate-/l/
+-commutative flip3-- pow-flip pow-prod-down prod-exp sum-log *-commutative flip-- cbrt-unprod distribute-lft-out-- inv-pow difference-of-squares unswap-sqr
Counts
4 → 156
Calls
4 calls:
26.0ms
(* z (- t a))
43.0ms
(/ 1 (/ (+ (* (- b y) z) y) (+ (* x y) (* z (- t a)))))
10.0ms
(+ (* x y) (* z (- t a)))
71.0ms
(/ (+ (* (- b y) z) y) (+ (* x y) (* z (- t a))))

series2.5s

Counts
4 → 12
Calls
4 calls:
63.0ms
(* z (- t a))
2.2s
(/ 1 (/ (+ (* (- b y) z) y) (+ (* x y) (* z (- t a)))))
52.0ms
(+ (* x y) (* z (- t a)))
235.0ms
(/ (+ (* (- b y) z) y) (+ (* x y) (* z (- t a))))

simplify2.3s

Counts
168 → 168
Iterations

Useful iterations: done (2.3s)

IterNodesCost
02444181
16453905
235483693
done50013564

prune551.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 10.4b

regimes751.0ms

Accuracy

66.9% (4.1b remaining)

Error of 15.0b against oracle of 10.9b and baseline of 23.4b

bsearch2.0ms

simplify10.0ms

Iterations

Useful iterations: done (10.0ms)

IterNodesCost
029129
137123
240107
343107
done43106

end0.0ms

sample1.4s

Algorithm
intervals
Results
811.0ms8419×body80valid