Details

Time bar (total: 3.6s)

sample21.0ms

Algorithm
intervals
Results
9.0ms312×body80valid

simplify10.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0166
1296
2386
3456
4516
5546
6546
done546

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.3b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (+ x 4.0) y)
0.0b
(- (/ (+ x 4.0) y) (* (/ x y) z))
3.0b
(* (/ x y) z)

rewrite84.0ms

Algorithm
rewrite-expression-head
Rules
28×*-un-lft-identity
25×add-sqr-sqrt
22×times-frac
20×add-cube-cbrt
13×associate-*l*
10×add-exp-log add-cbrt-cube
pow1 add-log-exp
distribute-lft-out associate-/l*
associate-*r* associate-*l/ associate-/r*
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
sub-neg flip3-- frac-2neg flip3-+ diff-log pow-prod-down clear-num *-commutative frac-sub flip-- flip-+ sub-div
Counts
3 → 79
Calls
3 calls:
19.0ms
(/ (+ x 4.0) y)
47.0ms
(- (/ (+ x 4.0) y) (* (/ x y) z))
17.0ms
(* (/ x y) z)

series97.0ms

Counts
3 → 9
Calls
3 calls:
30.0ms
(/ (+ x 4.0) y)
44.0ms
(- (/ (+ x 4.0) y) (* (/ x y) z))
22.0ms
(* (/ x y) z)

simplify112.0ms

Counts
88 → 88
Iterations

Useful iterations: 2 (29.0ms)

IterNodesCost
0341425
11212395
24978394
35002394
done5002394

prune191.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
1.3b
(* (/ (cbrt x) y) z)
3.8b
(* (/ (* (cbrt x) (cbrt x)) 1) (* (/ (cbrt x) y) z))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
66×add-exp-log
35×add-cbrt-cube
33×prod-exp
30×add-sqr-sqrt
29×associate-*l*
23×times-frac
22×add-cube-cbrt *-un-lft-identity
20×cbrt-unprod
18×div-exp
16×cbrt-prod
11×pow1
10×cbrt-undiv
1-exp
associate-*r* pow-prod-down associate-*l/ add-log-exp
unswap-sqr
pow1/3 *-commutative div-inv
frac-times associate-*r/
Counts
4 → 109
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
17.0ms
(* (/ (cbrt x) y) z)
48.0ms
(* (/ (* (cbrt x) (cbrt x)) 1) (* (/ (cbrt x) y) z))

series533.0ms

Counts
4 → 12
Calls
4 calls:
176.0ms
(cbrt x)
182.0ms
(cbrt x)
128.0ms
(* (/ (cbrt x) y) z)
46.0ms
(* (/ (* (cbrt x) (cbrt x)) 1) (* (/ (cbrt x) y) z))

simplify61.0ms

Counts
121 → 121
Iterations

Useful iterations: 2 (54.0ms)

IterNodesCost
0473757
12306591
25001518
done5001518

prune298.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 4 expressions with local error:

3.8b
(* (/ (* (cbrt x) (cbrt x)) 1) (* (/ (cbrt x) y) z))
10.2b
(cbrt (* (/ (* (cbrt x) (cbrt x)) 1) (* (/ (cbrt x) y) z)))
10.2b
(cbrt (* (/ (* (cbrt x) (cbrt x)) 1) (* (/ (cbrt x) y) z)))
10.2b
(cbrt (* (/ (* (cbrt x) (cbrt x)) 1) (* (/ (cbrt x) y) z)))

rewrite198.0ms

Algorithm
rewrite-expression-head
Rules
61×add-exp-log
31×prod-exp add-cbrt-cube
18×cbrt-unprod
17×div-exp
12×associate-*l/
pow1 cbrt-undiv cbrt-div
associate-*l*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity 1-exp
frac-times associate-*r/ add-log-exp
cbrt-prod times-frac pow1/3 pow-prod-down
associate-*r* *-commutative div-inv
Counts
4 → 81
Calls
4 calls:
46.0ms
(* (/ (* (cbrt x) (cbrt x)) 1) (* (/ (cbrt x) y) z))
36.0ms
(cbrt (* (/ (* (cbrt x) (cbrt x)) 1) (* (/ (cbrt x) y) z)))
58.0ms
(cbrt (* (/ (* (cbrt x) (cbrt x)) 1) (* (/ (cbrt x) y) z)))
55.0ms
(cbrt (* (/ (* (cbrt x) (cbrt x)) 1) (* (/ (cbrt x) y) z)))

series302.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(* (/ (* (cbrt x) (cbrt x)) 1) (* (/ (cbrt x) y) z))
85.0ms
(cbrt (* (/ (* (cbrt x) (cbrt x)) 1) (* (/ (cbrt x) y) z)))
81.0ms
(cbrt (* (/ (* (cbrt x) (cbrt x)) 1) (* (/ (cbrt x) y) z)))
85.0ms
(cbrt (* (/ (* (cbrt x) (cbrt x)) 1) (* (/ (cbrt x) y) z)))

simplify52.0ms

Counts
93 → 93
Iterations

Useful iterations: 2 (45.0ms)

IterNodesCost
0410948
11922758
25001634
done5001634

prune418.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (+ x 4.0) (* x z))
3.4b
(/ (- (+ x 4.0) (* x z)) y)

rewrite104.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-log-exp
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 flip3-- diff-log flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg div-sub div-exp associate--l+ clear-num sum-log div-inv
Counts
2 → 44
Calls
2 calls:
37.0ms
(- (+ x 4.0) (* x z))
66.0ms
(/ (- (+ x 4.0) (* x z)) y)

series70.0ms

Counts
2 → 6
Calls
2 calls:
21.0ms
(- (+ x 4.0) (* x z))
49.0ms
(/ (- (+ x 4.0) (* x z)) y)

simplify82.0ms

Counts
50 → 50
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
0206339
1735314
23242314
35001314
done5001314

prune103.0ms

Pruning

8 alts after pruning (4 fresh and 4 done)

Merged error: 0b

regimes191.0ms

Accuracy

90.8% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 1.7b

bsearch2.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02621
12621
done2621

end0.0ms

sample572.0ms

Algorithm
intervals
Results
285.0ms10092×body80valid