Details

Time bar (total: 58.3s)

sample225.0ms

Algorithm
intervals
Results
109.0ms557×body80valid

simplify5.8s

Counts
1 → 1
Iterations

Useful iterations: done (5.8s)

IterNodesCost
02831
16729
222127
379527
4364327
done500026

prune33.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.6b

localize91.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 18.0) y)
0.2b
(* (* j 27.0) k)
4.0b
(* (* (* x 18.0) y) z)
6.7b
(* (* (* (* x 18.0) y) z) t)

rewrite584.0ms

Algorithm
rewrite-expression-head
Rules
37×pow1 add-exp-log add-cbrt-cube
22×pow-prod-down prod-exp cbrt-unprod
12×associate-*r*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u associate-*l* *-commutative log1p-expm1-u add-log-exp
Counts
4 → 89
Calls
4 calls:
34.0ms
(* (* x 18.0) y)
37.0ms
(* (* j 27.0) k)
116.0ms
(* (* (* x 18.0) y) z)
391.0ms
(* (* (* (* x 18.0) y) z) t)

series236.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(* (* x 18.0) y)
35.0ms
(* (* j 27.0) k)
64.0ms
(* (* (* x 18.0) y) z)
98.0ms
(* (* (* (* x 18.0) y) z) t)

simplify4.8s

Counts
101 → 101
Iterations

Useful iterations: done (4.8s)

IterNodesCost
0145974
1378944
23097774
done5000772

prune1.3s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 1.0b

localize58.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (fma c b (* (* (* x 18.0) y) (* t z))) (fma 4.0 (fma t a (* x i)) (* (* j 27.0) k)))
0.2b
(* (* x 18.0) y)
0.2b
(* (* j 27.0) k)
9.2b
(* (* (* x 18.0) y) (* t z))

rewrite247.0ms

Algorithm
rewrite-expression-head
Rules
35×pow1 add-exp-log add-cbrt-cube
21×pow-prod-down prod-exp cbrt-unprod
15×add-sqr-sqrt *-un-lft-identity
13×add-cube-cbrt
prod-diff
associate-*r*
add-log-exp
expm1-log1p-u log1p-expm1-u
fma-neg associate-*l* *-commutative
fma-udef
sub-neg flip3-- diff-log associate--l+ flip-- associate--r+ distribute-lft-out-- difference-of-squares
Counts
4 → 100
Calls
4 calls:
15.0ms
(- (fma c b (* (* (* x 18.0) y) (* t z))) (fma 4.0 (fma t a (* x i)) (* (* j 27.0) k)))
40.0ms
(* (* x 18.0) y)
41.0ms
(* (* j 27.0) k)
144.0ms
(* (* (* x 18.0) y) (* t z))

series12.9s

Counts
4 → 12
Calls
4 calls:
12.7s
(- (fma c b (* (* (* x 18.0) y) (* t z))) (fma 4.0 (fma t a (* x i)) (* (* j 27.0) k)))
45.0ms
(* (* x 18.0) y)
39.0ms
(* (* j 27.0) k)
87.0ms
(* (* (* x 18.0) y) (* t z))

simplify2.6s

Counts
112 → 112
Iterations

Useful iterations: done (2.6s)

IterNodesCost
01952628
14862180
226631777
done50011556

prune1.3s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize62.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (fma c b (* x (* (* 18.0 y) (* t z)))) (fma 4.0 (fma t a (* x i)) (* (* j 27.0) k)))
0.2b
(* (* j 27.0) k)
3.7b
(* x (* (* 18.0 y) (* t z)))
5.9b
(* (* 18.0 y) (* t z))

rewrite248.0ms

Algorithm
rewrite-expression-head
Rules
39×pow1 add-exp-log add-cbrt-cube
24×pow-prod-down prod-exp cbrt-unprod
15×add-sqr-sqrt *-un-lft-identity
13×add-cube-cbrt
prod-diff
add-log-exp
associate-*r* associate-*l*
expm1-log1p-u log1p-expm1-u
fma-neg *-commutative
fma-udef
sub-neg flip3-- diff-log associate--l+ flip-- associate--r+ distribute-lft-out-- difference-of-squares
Counts
4 → 103
Calls
4 calls:
16.0ms
(- (fma c b (* x (* (* 18.0 y) (* t z)))) (fma 4.0 (fma t a (* x i)) (* (* j 27.0) k)))
34.0ms
(* (* j 27.0) k)
135.0ms
(* x (* (* 18.0 y) (* t z)))
56.0ms
(* (* 18.0 y) (* t z))

series12.5s

Counts
4 → 12
Calls
4 calls:
12.4s
(- (fma c b (* x (* (* 18.0 y) (* t z)))) (fma 4.0 (fma t a (* x i)) (* (* j 27.0) k)))
44.0ms
(* (* j 27.0) k)
76.0ms
(* x (* (* 18.0 y) (* t z)))
45.0ms
(* (* 18.0 y) (* t z))

simplify2.0s

Counts
115 → 115
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01952712
14832263
224001808
done50001593

prune1.1s

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.0b

localize49.0ms

Local error

Found 4 expressions with local error:

0.2b
(* 18.0 (* t (* z y)))
0.2b
(* (* j 27.0) k)
3.7b
(* (* 18.0 (* t (* z y))) x)
4.5b
(* t (* z y))

rewrite332.0ms

Algorithm
rewrite-expression-head
Rules
37×pow1 add-exp-log add-cbrt-cube
22×pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity associate-*r* associate-*l*
expm1-log1p-u *-commutative log1p-expm1-u add-log-exp
Counts
4 → 89
Calls
4 calls:
64.0ms
(* 18.0 (* t (* z y)))
29.0ms
(* (* j 27.0) k)
207.0ms
(* (* 18.0 (* t (* z y))) x)
24.0ms
(* t (* z y))

series183.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(* 18.0 (* t (* z y)))
31.0ms
(* (* j 27.0) k)
69.0ms
(* (* 18.0 (* t (* z y))) x)
39.0ms
(* t (* z y))

simplify1.7s

Counts
101 → 101
Iterations

Useful iterations: 2 (324.0ms)

IterNodesCost
0137968
1357942
22039740
done5000740

prune1.0s

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.0b

regimes2.6s

Accuracy

65.5% (2.0b remaining)

Error of 2.0b against oracle of 0.1b and baseline of 5.8b

bsearch560.0ms

Steps
ItersRangePoint
10
1.948422009378651e+31
3.106766247233548e+41
1.0880873366626365e+39
8
-2.536129427768581e+49
-2.847941429072607e+46
-1.090628401318568e+48

simplify9.0ms

Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
04188
15961
done5961

end0.0ms

sample5.8s

Algorithm
intervals
Results
3.8s16032×body80valid