Details

Time bar (total: 20.4s)

sample80.0ms

Algorithm
intervals
Results
35.0ms514×body80valid

simplify9.4s

Counts
1 → 1
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
02831
16629
220129
358029
4115029
5174429
6236029
7308729
8342129
done342129

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.4b

localize21.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 4.0) i)
0.4b
(* (* x 18.0) y)
2.7b
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
5.1b
(* (* (* x 18.0) y) z)

rewrite303.0ms

Algorithm
rewrite-expression-head
Rules
25×pow1 add-exp-log add-cbrt-cube
13×pow-prod-down prod-exp cbrt-unprod
12×associate-*r*
11×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
associate-*l*
*-commutative add-log-exp
distribute-rgt-in sub-neg distribute-lft-in associate-*r/
flip3-- flip-- unswap-sqr
Counts
4 → 81
Calls
4 calls:
17.0ms
(* (* x 4.0) i)
18.0ms
(* (* x 18.0) y)
210.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
55.0ms
(* (* (* x 18.0) y) z)

series196.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(* (* x 4.0) i)
25.0ms
(* (* x 18.0) y)
121.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
30.0ms
(* (* (* x 18.0) y) z)

simplify1.2s

Counts
93 → 93
Iterations

Useful iterations: 2 (268.0ms)

IterNodesCost
01531015
1395980
21623822
done5000822

prune335.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 1.6b

localize29.0ms

Local error

Found 4 expressions with local error:

0.2b
(* 18.0 (* t (* x (* z y))))
0.2b
(* (- (* a 4.0)) t)
4.0b
(* x (* z y))
5.3b
(* t (* x (* z y)))

rewrite177.0ms

Algorithm
rewrite-expression-head
Rules
34×pow1 add-exp-log add-cbrt-cube
20×pow-prod-down prod-exp cbrt-unprod
15×associate-*l*
11×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
associate-*r*
*-commutative add-log-exp
distribute-lft-neg-out distribute-lft-neg-in neg-mul-1 distribute-rgt-neg-in unswap-sqr
Counts
4 → 85
Calls
4 calls:
105.0ms
(* 18.0 (* t (* x (* z y))))
13.0ms
(* (- (* a 4.0)) t)
16.0ms
(* x (* z y))
40.0ms
(* t (* x (* z y)))

series149.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(* 18.0 (* t (* x (* z y))))
22.0ms
(* (- (* a 4.0)) t)
27.0ms
(* x (* z y))
48.0ms
(* t (* x (* z y)))

simplify1.1s

Counts
97 → 97
Iterations

Useful iterations: 2 (177.0ms)

IterNodesCost
0118939
1300913
21359717
done5000717

prune352.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.3b

localize24.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 4.0) i)
0.2b
(* 18.0 (* (* t x) (* z y)))
0.2b
(* (- (* a 4.0)) t)
8.5b
(* (* t x) (* z y))

rewrite129.0ms

Algorithm
rewrite-expression-head
Rules
41×pow1 add-exp-log add-cbrt-cube
25×pow-prod-down prod-exp cbrt-unprod
11×associate-*l*
10×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity associate-*r*
*-commutative add-log-exp
distribute-lft-neg-out distribute-lft-neg-in neg-mul-1 distribute-rgt-neg-in unswap-sqr
Counts
4 → 89
Calls
4 calls:
17.0ms
(* (* x 4.0) i)
69.0ms
(* 18.0 (* (* t x) (* z y)))
12.0ms
(* (- (* a 4.0)) t)
27.0ms
(* (* t x) (* z y))

series143.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(* (* x 4.0) i)
49.0ms
(* 18.0 (* (* t x) (* z y)))
22.0ms
(* (- (* a 4.0)) t)
48.0ms
(* (* t x) (* z y))

simplify1.4s

Counts
101 → 101
Iterations

Useful iterations: 2 (263.0ms)

IterNodesCost
01461023
1383990
21818762
done5000762

prune346.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.3b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(* 18.0 (* (* (* t x) z) y))
0.2b
(* (- (* a 4.0)) t)
5.5b
(* (* (* t x) z) y)
5.6b
(* (* t x) z)

rewrite231.0ms

Algorithm
rewrite-expression-head
Rules
34×pow1 add-exp-log add-cbrt-cube
20×pow-prod-down prod-exp cbrt-unprod
11×add-sqr-sqrt associate-*l*
10×associate-*r*
add-cube-cbrt *-un-lft-identity
*-commutative add-log-exp
distribute-lft-neg-out distribute-lft-neg-in neg-mul-1 distribute-rgt-neg-in unswap-sqr
Counts
4 → 85
Calls
4 calls:
146.0ms
(* 18.0 (* (* (* t x) z) y))
11.0ms
(* (- (* a 4.0)) t)
54.0ms
(* (* (* t x) z) y)
17.0ms
(* (* t x) z)

series147.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(* 18.0 (* (* (* t x) z) y))
25.0ms
(* (- (* a 4.0)) t)
45.0ms
(* (* (* t x) z) y)
27.0ms
(* (* t x) z)

simplify1.2s

Counts
97 → 97
Iterations

Useful iterations: 2 (230.0ms)

IterNodesCost
0128949
1328919
21643723
done5000723

prune319.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.3b

regimes787.0ms

Accuracy

66.7% (1.5b remaining)

Error of 1.9b against oracle of 0.4b and baseline of 4.9b

bsearch221.0ms

Steps
ItersRangePoint
9
1.2589921686921708e-28
2.1261294527294433e-23
7.712463495126097e-24
6
-5.518553156936373e-45
-1.2934669252785625e-45
-2.0920623128406453e-45

simplify6.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
04397
16669
done6669

end0.0ms

sample2.1s

Algorithm
intervals
Results
1.0s16083×body80valid