Details

Time bar (total: 15.1s)

sample52.0ms

Algorithm
intervals
Results
20.0ms339×body80valid

simplify576.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
099
1159
2269
3469
4859
51149
61299
71429
81759
92329
102619
112989
123299
133399
done3399

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.1b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(* y (- z t))
0.0b
(+ x (/ (* y (- z t)) a))
7.6b
(/ (* y (- z t)) a)

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
10×add-exp-log add-cbrt-cube
add-cube-cbrt
pow1 associate-*r* add-log-exp
associate-*r/
times-frac associate-*l* associate-/r*
cbrt-undiv distribute-rgt-in sub-neg flip3-- distribute-lft-in div-exp prod-exp flip-- cbrt-unprod associate-/l/
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* distribute-lft-out-- difference-of-squares unswap-sqr
Counts
3 → 61
Calls
3 calls:
26.0ms
(* y (- z t))
10.0ms
(+ x (/ (* y (- z t)) a))
22.0ms
(/ (* y (- z t)) a)

series155.0ms

Counts
3 → 9
Calls
3 calls:
40.0ms
(* y (- z t))
54.0ms
(+ x (/ (* y (- z t)) a))
60.0ms
(/ (* y (- z t)) a)

simplify2.5s

Counts
70 → 70
Iterations

Useful iterations: 2 (115.0ms)

IterNodesCost
0116722
1297679
2910589
34416589
done5000589

prune161.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(* y (- z t))
0.0b
(+ x (* (* y (- z t)) (/ 1 a)))
7.6b
(* (* y (- z t)) (/ 1 a))

rewrite88.0ms

Algorithm
rewrite-expression-head
Rules
27×add-exp-log
18×associate-*r*
17×add-cbrt-cube
16×add-sqr-sqrt
14×*-un-lft-identity
13×prod-exp
12×add-cube-cbrt
10×pow1
times-frac
associate-*r/ cbrt-unprod
add-log-exp
div-exp associate-*l* pow-prod-down
flip3-- flip--
cbrt-undiv distribute-rgt-in frac-times sub-neg rec-exp distribute-lft-in 1-exp associate-*l/ *-commutative
+-commutative flip3-+ sum-log un-div-inv flip-+ div-inv distribute-lft-out-- difference-of-squares unswap-sqr
Counts
3 → 79
Calls
3 calls:
23.0ms
(* y (- z t))
9.0ms
(+ x (* (* y (- z t)) (/ 1 a)))
53.0ms
(* (* y (- z t)) (/ 1 a))

series152.0ms

Counts
3 → 9
Calls
3 calls:
38.0ms
(* y (- z t))
58.0ms
(+ x (* (* y (- z t)) (/ 1 a)))
56.0ms
(* (* y (- z t)) (/ 1 a))

simplify1.1s

Counts
88 → 88
Iterations

Useful iterations: 2 (239.0ms)

IterNodesCost
01541062
1400877
21300741
done5000741

prune220.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (/ 1 a))
0.7b
(cbrt (/ 1 a))
1.3b
(* (* (* y (- z t)) (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))) (cbrt (/ 1 a)))
6.5b
(* (* y (- z t)) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))

rewrite403.0ms

Algorithm
rewrite-expression-head
Rules
50×cbrt-div
43×associate-*r/
39×cbrt-prod
38×frac-times
34×pow1 add-exp-log
27×times-frac
26×add-sqr-sqrt add-cube-cbrt *-un-lft-identity associate-*l/
21×pow-prod-down prod-exp add-cbrt-cube cbrt-unprod
17×associate-*r*
12×flip3-- flip--
add-log-exp
div-inv
pow1/3 associate-*l* *-commutative
Counts
4 → 140
Calls
4 calls:
4.0ms
(cbrt (/ 1 a))
3.0ms
(cbrt (/ 1 a))
301.0ms
(* (* (* y (- z t)) (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))) (cbrt (/ 1 a)))
87.0ms
(* (* y (- z t)) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))

series924.0ms

Counts
4 → 12
Calls
4 calls:
280.0ms
(cbrt (/ 1 a))
281.0ms
(cbrt (/ 1 a))
114.0ms
(* (* (* y (- z t)) (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))) (cbrt (/ 1 a)))
248.0ms
(* (* y (- z t)) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))

simplify1.7s

Counts
152 → 152
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02082815
15522564
217651819
done50011705

prune918.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.0b

localize44.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (/ 1 a))
0.7b
(cbrt (/ 1 a))
1.3b
(* (* (* y (- z t)) (* (cbrt (/ 1 a)) (/ 1 (cbrt a)))) (cbrt (/ 1 a)))
6.5b
(* (* y (- z t)) (* (cbrt (/ 1 a)) (/ 1 (cbrt a))))

rewrite530.0ms

Algorithm
rewrite-expression-head
Rules
86×add-exp-log
57×prod-exp
52×associate-*r/
47×frac-times
39×cbrt-prod
35×cbrt-div add-cbrt-cube
34×pow1
33×cbrt-unprod
29×associate-*l/
27×times-frac
26×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
21×pow-prod-down
17×associate-*r*
15×flip3-- flip--
un-div-inv
div-exp
cbrt-undiv rec-exp 1-exp add-log-exp
div-inv
pow1/3 associate-*l* *-commutative
Counts
4 → 165
Calls
4 calls:
4.0ms
(cbrt (/ 1 a))
5.0ms
(cbrt (/ 1 a))
408.0ms
(* (* (* y (- z t)) (* (cbrt (/ 1 a)) (/ 1 (cbrt a)))) (cbrt (/ 1 a)))
104.0ms
(* (* y (- z t)) (* (cbrt (/ 1 a)) (/ 1 (cbrt a))))

series787.0ms

Counts
4 → 12
Calls
4 calls:
257.0ms
(cbrt (/ 1 a))
243.0ms
(cbrt (/ 1 a))
123.0ms
(* (* (* y (- z t)) (* (cbrt (/ 1 a)) (/ 1 (cbrt a)))) (cbrt (/ 1 a)))
163.0ms
(* (* y (- z t)) (* (cbrt (/ 1 a)) (/ 1 (cbrt a))))

simplify1.9s

Counts
177 → 177
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02493408
16322878
222352364
done50002269

prune594.0ms

Pruning

8 alts after pruning (4 fresh and 4 done)

Merged error: 0.0b

regimes681.0ms

Accuracy

91.9% (0.5b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 6.2b

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02045
12937
done2937

end0.0ms

sample1.5s

Algorithm
intervals
Results
682.0ms10736×body80valid