Details

Time bar (total: 49.1s)

sample160.0ms

Algorithm
intervals
Results
87.0ms529×body80valid

simplify8.1s

Counts
1 → 1
Iterations

Useful iterations: 5 (6.8s)

IterNodesCost
02831
16729
222127
375727
4262327
5439726
done500026

prune22.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 1.9b

localize28.0ms

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)

rewrite426.0ms

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:
32.0ms
(* (* x 18.0) y)
18.0ms
(* (* j 27.0) k)
97.0ms
(* (* (* x 18.0) y) z)
272.0ms
(* (* (* (* x 18.0) y) z) t)

series237.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(* (* x 18.0) y)
46.0ms
(* (* j 27.0) k)
58.0ms
(* (* (* x 18.0) y) z)
88.0ms
(* (* (* (* x 18.0) y) z) t)

simplify1.9s

Counts
101 → 101
Iterations

Useful iterations: 2 (440.0ms)

IterNodesCost
0145974
1358944
21718738
done5000738

prune603.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.1b

localize62.0ms

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)

rewrite370.0ms

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:
32.0ms
(* (* x 18.0) y)
24.0ms
(* j (* 27.0 k))
57.0ms
(* (* (* x 18.0) y) z)
251.0ms
(* (* (* (* x 18.0) y) z) t)

series210.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(* (* x 18.0) y)
36.0ms
(* j (* 27.0 k))
52.0ms
(* (* (* x 18.0) y) z)
93.0ms
(* (* (* (* x 18.0) y) z) t)

simplify1.8s

Counts
101 → 101
Iterations

Useful iterations: 2 (373.0ms)

IterNodesCost
0143971
1350943
21659737
done5000737

prune533.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize41.0ms

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)

rewrite18.6s

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:
18.4s
(- (- (+ (- (* (* (* x 18.0) (* y z)) t) (* (* a 4.0) t)) (* b c)) (* (* x 4.0) i)) (* j (* 27.0 k)))
30.0ms
(* j (* 27.0 k))
40.0ms
(* (* x 18.0) (* y z))
128.0ms
(* (* (* x 18.0) (* y z)) t)

series3.5s

Counts
4 → 12
Calls
4 calls:
3.3s
(- (- (+ (- (* (* (* x 18.0) (* y z)) t) (* (* a 4.0) t)) (* b c)) (* (* x 4.0) i)) (* j (* 27.0 k)))
39.0ms
(* j (* 27.0 k))
52.0ms
(* (* 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

prune649.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize31.0ms

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))

rewrite579.0ms

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:
427.0ms
(+ (- (* (* x 18.0) (* (* y z) t)) (* (* a 4.0) t)) (* b c))
27.0ms
(* j (* 27.0 k))
28.0ms
(* (* y z) t)
94.0ms
(* (* x 18.0) (* (* y z) t))

series459.0ms

Counts
4 → 12
Calls
4 calls:
310.0ms
(+ (- (* (* x 18.0) (* (* y z) t)) (* (* a 4.0) t)) (* b c))
32.0ms
(* j (* 27.0 k))
47.0ms
(* (* y z) t)
69.0ms
(* (* x 18.0) (* (* y z) t))

simplify2.0s

Counts
103 → 103
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01691293
14451260
21903975
done5000966

prune582.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

regimes1.4s

Accuracy

56.5% (2.6b remaining)

Error of 2.7b against oracle of 0.1b and baseline of 6.0b

bsearch538.0ms

Steps
ItersRangePoint
9
3.025113081735301e+79
3.0505688756044883e+87
3.1018628897132834e+79
10
-1.5221623019651764e+124
-9.542533327567714e+111
-9.655457606217992e+111

simplify12.0ms

Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
053103
178101
done78101

end0.0ms

sample4.6s

Algorithm
intervals
Results
3.0s16213×body80valid