Details

Time bar (total: 11.6s)

sample32.0ms

Algorithm
intervals
Results
14.0ms349×body80valid

simplify5.8s

Counts
1 → 1
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
01717
13517
29016
324516
452616
571316
683516
787216
8107316
9166616
10190916
done190916

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 3.4b

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* x 2.0) (* (* (* y 9.0) z) t))
0.2b
(* (* y 9.0) z)
0.5b
(fma (* a 27.0) b (- (* x 2.0) (* (* (* y 9.0) z) t)))
6.2b
(* (* (* y 9.0) z) t)

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
18×pow1 add-exp-log add-cbrt-cube
pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity associate-*r* add-log-exp
expm1-log1p-u log1p-expm1-u
associate-*l* *-commutative
sub-neg flip3-- fma-neg diff-log prod-diff flip-- fma-udef
Counts
4 → 69
Calls
4 calls:
3.0ms
(- (* x 2.0) (* (* (* y 9.0) z) t))
7.0ms
(* (* y 9.0) z)
0.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* (* y 9.0) z) t)))
22.0ms
(* (* (* y 9.0) z) t)

series291.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(- (* x 2.0) (* (* (* y 9.0) z) t))
19.0ms
(* (* y 9.0) z)
171.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* (* y 9.0) z) t)))
28.0ms
(* (* (* y 9.0) z) t)

simplify697.0ms

Counts
81 → 81
Iterations

Useful iterations: 2 (104.0ms)

IterNodesCost
0125997
1317954
21382823
done5001823

prune270.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* x 2.0) (* (* y 9.0) (* z t)))
0.5b
(fma (* a 27.0) b (- (* x 2.0) (* (* y 9.0) (* z t))))
3.2b
(* (* y 9.0) (* z t))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
15×pow1 add-exp-log add-cbrt-cube
pow-prod-down prod-exp cbrt-unprod
add-log-exp
add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity log1p-expm1-u
sub-neg flip3-- fma-neg diff-log associate-*r* associate-*l* prod-diff *-commutative flip-- fma-udef
Counts
3 → 50
Calls
3 calls:
3.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
0.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* y 9.0) (* z t))))
10.0ms
(* (* y 9.0) (* z t))

series272.0ms

Counts
3 → 9
Calls
3 calls:
79.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
164.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* y 9.0) (* z t))))
29.0ms
(* (* y 9.0) (* z t))

simplify488.0ms

Counts
59 → 59
Iterations

Useful iterations: 2 (95.0ms)

IterNodesCost
0105849
1279811
21106698
done5000698

prune196.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* x 2.0) (* y (* 9.0 (* z t))))
0.2b
(* 9.0 (* z t))
0.5b
(fma (* a 27.0) b (- (* x 2.0) (* y (* 9.0 (* z t)))))
3.2b
(* y (* 9.0 (* z t)))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
18×pow1 add-exp-log add-cbrt-cube
pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity associate-*l* add-log-exp
expm1-log1p-u log1p-expm1-u
associate-*r* *-commutative
sub-neg flip3-- fma-neg diff-log prod-diff flip-- fma-udef
Counts
4 → 69
Calls
4 calls:
3.0ms
(- (* x 2.0) (* y (* 9.0 (* z t))))
6.0ms
(* 9.0 (* z t))
0.0ms
(fma (* a 27.0) b (- (* x 2.0) (* y (* 9.0 (* z t)))))
16.0ms
(* y (* 9.0 (* z t)))

series290.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(- (* x 2.0) (* y (* 9.0 (* z t))))
24.0ms
(* 9.0 (* z t))
161.0ms
(fma (* a 27.0) b (- (* x 2.0) (* y (* 9.0 (* z t)))))
31.0ms
(* y (* 9.0 (* z t)))

simplify475.0ms

Counts
81 → 81
Iterations

Useful iterations: 2 (95.0ms)

IterNodesCost
0121991
1298952
21132821
done5000821

prune266.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (fma 27.0 (* a b) (* x 2.0)) (* 9.0 (* t (* z y))))
0.1b
(fma 27.0 (* a b) (* x 2.0))
0.2b
(* 9.0 (* t (* z y)))
6.2b
(* t (* z y))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
18×pow1 add-exp-log add-cbrt-cube
pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-*l* add-log-exp
expm1-log1p-u log1p-expm1-u
fma-neg prod-diff
associate-*r* *-commutative fma-udef
sub-neg flip3-- diff-log associate--l+ flip--
Counts
4 → 74
Calls
4 calls:
3.0ms
(- (fma 27.0 (* a b) (* x 2.0)) (* 9.0 (* t (* z y))))
0.0ms
(fma 27.0 (* a b) (* x 2.0))
15.0ms
(* 9.0 (* t (* z y)))
6.0ms
(* t (* z y))

series263.0ms

Counts
4 → 12
Calls
4 calls:
162.0ms
(- (fma 27.0 (* a b) (* x 2.0)) (* 9.0 (* t (* z y))))
41.0ms
(fma 27.0 (* a b) (* x 2.0))
29.0ms
(* 9.0 (* t (* z y)))
30.0ms
(* t (* z y))

simplify452.0ms

Counts
86 → 86
Iterations

Useful iterations: 2 (86.0ms)

IterNodesCost
01151121
12731066
21011931
done5001931

prune262.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

regimes554.0ms

Accuracy

81.9% (0.6b remaining)

Error of 0.7b against oracle of 0.1b and baseline of 3.5b

bsearch1.0ms

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
03167
14452
done4452

end0.0ms

sample843.0ms

Algorithm
intervals
Results
455.0ms10974×body80valid