Details

Time bar (total: 46.0s)

sample180.0ms

Algorithm
intervals
Results
112.0ms529×body80valid

simplify6.8s

Counts
1 → 1
Iterations

Useful iterations: 5 (5.7s)

IterNodesCost
02831
16729
222127
375727
4262327
5439726
done500026

prune18.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 1.9b

localize43.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 18.0) y)
0.7b
(* (* j 27.0) k)
5.1b
(* (* (* x 18.0) y) z)
6.9b
(* (* (* (* x 18.0) y) z) t)

rewrite388.0ms

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:
29.0ms
(* (* x 18.0) y)
31.0ms
(* (* j 27.0) k)
71.0ms
(* (* (* x 18.0) y) z)
252.0ms
(* (* (* (* x 18.0) y) z) t)

series149.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(* (* x 18.0) y)
27.0ms
(* (* j 27.0) k)
33.0ms
(* (* (* x 18.0) y) z)
62.0ms
(* (* (* (* x 18.0) y) z) t)

simplify1.9s

Counts
101 → 101
Iterations

Useful iterations: 2 (360.0ms)

IterNodesCost
0145974
1358944
21718738
done5000738

prune597.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.1b

localize46.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 18.0) y)
0.5b
(* j (* 27.0 k))
5.1b
(* (* (* x 18.0) y) z)
6.9b
(* (* (* (* x 18.0) y) z) t)

rewrite358.0ms

Algorithm
rewrite-expression-head
Rules
37×pow1 add-exp-log add-cbrt-cube
22×pow-prod-down prod-exp cbrt-unprod
10×associate-*r*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-*l*
expm1-log1p-u *-commutative log1p-expm1-u add-log-exp
Counts
4 → 89
Calls
4 calls:
27.0ms
(* (* x 18.0) y)
17.0ms
(* j (* 27.0 k))
63.0ms
(* (* (* x 18.0) y) z)
248.0ms
(* (* (* (* x 18.0) y) z) t)

series182.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(* (* x 18.0) y)
34.0ms
(* j (* 27.0 k))
59.0ms
(* (* (* x 18.0) y) z)
64.0ms
(* (* (* (* x 18.0) y) z) t)

simplify1.7s

Counts
101 → 101
Iterations

Useful iterations: 2 (396.0ms)

IterNodesCost
0143971
1350943
21659737
done5000737

prune592.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize37.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (- (+ (- (* (* (* x 18.0) (* y z)) t) (* (* a 4.0) t)) (* b c)) (* (* x 4.0) i)) (* j (* 27.0 k)))
0.5b
(* j (* 27.0 k))
4.0b
(* (* x 18.0) (* y z))
6.9b
(* (* (* x 18.0) (* y z)) t)

rewrite19.5s

Algorithm
rewrite-expression-head
Rules
39×pow1 add-exp-log add-cbrt-cube
24×pow-prod-down prod-exp cbrt-unprod
18×add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
diff-log
associate--l+
prod-diff
associate-*r* associate-*l*
expm1-log1p-u log1p-expm1-u
fma-neg *-commutative
sub-neg sum-log
associate--l- flip3-- flip--
Counts
4 → 103
Calls
4 calls:
19.2s
(- (- (+ (- (* (* (* x 18.0) (* y z)) t) (* (* a 4.0) t)) (* b c)) (* (* x 4.0) i)) (* j (* 27.0 k)))
32.0ms
(* j (* 27.0 k))
53.0ms
(* (* x 18.0) (* y z))
195.0ms
(* (* (* x 18.0) (* y z)) t)

series3.5s

Counts
4 → 12
Calls
4 calls:
3.4s
(- (- (+ (- (* (* (* x 18.0) (* y z)) t) (* (* a 4.0) t)) (* b c)) (* (* x 4.0) i)) (* j (* 27.0 k)))
25.0ms
(* j (* 27.0 k))
40.0ms
(* (* x 18.0) (* y z))
71.0ms
(* (* (* x 18.0) (* y z)) t)

simplify1.7s

Counts
115 → 115
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01941983
14811853
220171520
done50011457

prune510.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (- (* (* x 18.0) (* (* y z) t)) (* (* a 4.0) t)) (* b c))
0.5b
(* j (* 27.0 k))
4.2b
(* (* y z) t)
5.7b
(* (* x 18.0) (* (* y z) t))

rewrite451.0ms

Algorithm
rewrite-expression-head
Rules
35×pow1 add-exp-log add-cbrt-cube
21×pow-prod-down prod-exp cbrt-unprod
add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-*r* associate-*l*
expm1-log1p-u log1p-expm1-u
associate-+l+ fma-def *-commutative
sum-log
+-commutative associate-+l- sub-neg flip3-+ diff-log prod-diff flip-+
Counts
4 → 91
Calls
4 calls:
345.0ms
(+ (- (* (* x 18.0) (* (* y z) t)) (* (* a 4.0) t)) (* b c))
16.0ms
(* j (* 27.0 k))
18.0ms
(* (* y z) t)
68.0ms
(* (* x 18.0) (* (* y z) t))

series339.0ms

Counts
4 → 12
Calls
4 calls:
231.0ms
(+ (- (* (* x 18.0) (* (* y z) t)) (* (* a 4.0) t)) (* b c))
26.0ms
(* j (* 27.0 k))
28.0ms
(* (* y z) t)
53.0ms
(* (* x 18.0) (* (* y z) t))

simplify1.2s

Counts
103 → 103
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01691293
14451260
21903975
done5000966

prune438.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

regimes1.1s

Accuracy

68% (1.9b remaining)

Error of 2.0b against oracle of 0.1b and baseline of 6.0b

bsearch341.0ms

Steps
ItersRangePoint
9
1.3119077395614098e+23
9.74959820535983e+31
2.1885021756705143e+25
8
-2.0129013522478902e-35
-1.4643973359591135e-38
-7.626211434592408e-36

simplify8.0ms

Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
055110
180108
done80108

end0.0ms

sample3.8s

Algorithm
intervals
Results
2.8s16213×body80valid