Details

Time bar (total: 6.1s)

sample26.0ms

Algorithm
intervals
Results
9.0ms345×body80valid

simplify42.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0164
1324
2694
31484
42384
53644
65184
76384
87404
98134
108424
118424
done8424

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.9b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(- x (/ (* y (- z t)) a))
0.0b
(* y (- z t))
8.2b
(/ (* y (- z t)) a)

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
11×*-un-lft-identity
10×add-exp-log add-cbrt-cube
add-cube-cbrt
pow1 associate-*r* add-log-exp
associate-*r/
sub-neg flip3-- times-frac associate-*l* associate-/r* flip--
cbrt-undiv distribute-rgt-in distribute-lft-in div-exp prod-exp cbrt-unprod associate-/l/ distribute-lft-out-- difference-of-squares
frac-2neg diff-log pow-prod-down clear-num *-commutative div-inv associate-/l* unswap-sqr
Counts
3 → 63
Calls
3 calls:
8.0ms
(- x (/ (* y (- z t)) a))
23.0ms
(* y (- z t))
15.0ms
(/ (* y (- z t)) a)

series143.0ms

Counts
3 → 9
Calls
3 calls:
52.0ms
(- x (/ (* y (- z t)) a))
40.0ms
(* y (- z t))
51.0ms
(/ (* y (- z t)) a)

simplify37.0ms

Counts
72 → 72
Iterations

Useful iterations: 1 (8.0ms)

IterNodesCost
0291345
11204306
25001306
done5001306

prune144.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt a)
0.6b
(cbrt a)
0.6b
(cbrt a)
6.3b
(* (/ y (* (cbrt a) (cbrt a))) (/ (- z t) (cbrt a)))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
54×add-sqr-sqrt
40×times-frac
38×*-un-lft-identity
34×associate-*r*
26×cbrt-prod add-cube-cbrt
25×add-exp-log
18×add-cbrt-cube
prod-exp cbrt-unprod
cbrt-undiv div-exp associate-*l*
pow1 distribute-lft-out-- difference-of-squares unswap-sqr
add-log-exp
pow1/3
div-inv
frac-times associate-*r/ pow-prod-down associate-*l/ *-commutative
Counts
4 → 104
Calls
4 calls:
1.0ms
(cbrt a)
1.0ms
(cbrt a)
1.0ms
(cbrt a)
58.0ms
(* (/ y (* (cbrt a) (cbrt a))) (/ (- z t) (cbrt a)))

series630.0ms

Counts
4 → 12
Calls
4 calls:
178.0ms
(cbrt a)
177.0ms
(cbrt a)
184.0ms
(cbrt a)
92.0ms
(* (/ y (* (cbrt a) (cbrt a))) (/ (- z t) (cbrt a)))

simplify61.0ms

Counts
116 → 116
Iterations

Useful iterations: 2 (53.0ms)

IterNodesCost
0480918
12615741
25001706
done5001706

prune328.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
1.0b
(* (/ (cbrt y) (cbrt a)) (/ (- z t) (cbrt a)))
2.4b
(* (/ (* (cbrt y) (cbrt y)) (cbrt a)) (* (/ (cbrt y) (cbrt a)) (/ (- z t) (cbrt a))))

rewrite149.0ms

Algorithm
rewrite-expression-head
Rules
115×add-sqr-sqrt
94×times-frac
85×add-exp-log
77×cbrt-prod
63×*-un-lft-identity
51×add-cube-cbrt
50×associate-*l*
41×add-cbrt-cube
36×prod-exp cbrt-unprod
35×associate-*r*
26×cbrt-undiv div-exp
15×unswap-sqr
11×pow1
frac-times associate-*r/ distribute-lft-out-- difference-of-squares
pow-prod-down associate-*l/ add-log-exp
div-inv
pow1/3 *-commutative
Counts
4 → 189
Calls
4 calls:
1.0ms
(cbrt y)
1.0ms
(cbrt y)
63.0ms
(* (/ (cbrt y) (cbrt a)) (/ (- z t) (cbrt a)))
76.0ms
(* (/ (* (cbrt y) (cbrt y)) (cbrt a)) (* (/ (cbrt y) (cbrt a)) (/ (- z t) (cbrt a))))

series661.0ms

Counts
4 → 12
Calls
4 calls:
182.0ms
(cbrt y)
181.0ms
(cbrt y)
242.0ms
(* (/ (cbrt y) (cbrt a)) (/ (- z t) (cbrt a)))
56.0ms
(* (/ (* (cbrt y) (cbrt y)) (cbrt a)) (* (/ (cbrt y) (cbrt a)) (/ (- z t) (cbrt a))))

simplify102.0ms

Counts
201 → 201
Iterations

Useful iterations: 2 (86.0ms)

IterNodesCost
08922272
140331912
250021780
done50021780

prune615.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
1.0b
(* (/ (cbrt y) (cbrt a)) (/ (- z t) (cbrt a)))
3.8b
(* (* (cbrt y) (cbrt y)) (/ (* (/ (cbrt y) (cbrt a)) (/ (- z t) (cbrt a))) (cbrt a)))

rewrite152.0ms

Algorithm
rewrite-expression-head
Rules
116×add-sqr-sqrt
94×times-frac
77×cbrt-prod
72×add-exp-log
63×*-un-lft-identity
51×add-cube-cbrt
44×associate-*r*
41×associate-*l*
32×add-cbrt-cube
30×prod-exp cbrt-unprod
22×cbrt-undiv div-exp
16×unswap-sqr
11×pow1
distribute-lft-out-- difference-of-squares
pow-prod-down add-log-exp
div-inv
pow1/3 associate-*r/ *-commutative
frac-times associate-*l/
Counts
4 → 178
Calls
4 calls:
1.0ms
(cbrt y)
1.0ms
(cbrt y)
63.0ms
(* (/ (cbrt y) (cbrt a)) (/ (- z t) (cbrt a)))
78.0ms
(* (* (cbrt y) (cbrt y)) (/ (* (/ (cbrt y) (cbrt a)) (/ (- z t) (cbrt a))) (cbrt a)))

series682.0ms

Counts
4 → 12
Calls
4 calls:
184.0ms
(cbrt y)
189.0ms
(cbrt y)
246.0ms
(* (/ (cbrt y) (cbrt a)) (/ (- z t) (cbrt a)))
62.0ms
(* (* (cbrt y) (cbrt y)) (/ (* (/ (cbrt y) (cbrt a)) (/ (- z t) (cbrt a))) (cbrt a)))

simplify100.0ms

Counts
190 → 190
Iterations

Useful iterations: 2 (85.0ms)

IterNodesCost
08962082
141701781
250011729
done50011729

prune636.0ms

Pruning

9 alts after pruning (5 fresh and 4 done)

Merged error: 0b

regimes398.0ms

Accuracy

54.4% (1.2b remaining)

Error of 1.2b against oracle of 0.0b and baseline of 2.6b

bsearch64.0ms

Steps
ItersRangePoint
5
1.3606245530563372e-127
4.113531426965663e-127
4.0188843002630235e-127
9
-15972117335248.346
-5519578.764678075
-12943396756.221924

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0228
1228
done228

end0.0ms

sample953.0ms

Algorithm
intervals
Results
498.0ms10813×body80valid