Details

Time bar (total: 10.3s)

sample46.0ms

Algorithm
intervals
Results
21.0ms360×body80valid

simplify2.5s

Counts
1 → 1
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
01717
13517
29016
324416
450016
562016
669516
773216
884916
9123716
10124116
done124116

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 3.6b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (- (* x 2.0) (* (* (* y 9.0) z) t)) (* (* a 27.0) b))
0.2b
(* (* y 9.0) z)
0.5b
(* (* a 27.0) b)
5.6b
(* (* (* y 9.0) z) t)

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
23×pow1 add-exp-log add-cbrt-cube
12×pow-prod-down prod-exp cbrt-unprod
associate-*r* add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u log1p-expm1-u
associate-+l+ fma-def associate-*l* *-commutative
sum-log
+-commutative associate-+l- sub-neg flip3-+ diff-log prod-diff flip-+
Counts
4 → 84
Calls
4 calls:
12.0ms
(+ (- (* x 2.0) (* (* (* y 9.0) z) t)) (* (* a 27.0) b))
9.0ms
(* (* y 9.0) z)
6.0ms
(* (* a 27.0) b)
21.0ms
(* (* (* y 9.0) z) t)

series211.0ms

Counts
4 → 12
Calls
4 calls:
149.0ms
(+ (- (* x 2.0) (* (* (* y 9.0) z) t)) (* (* a 27.0) b))
17.0ms
(* (* y 9.0) z)
20.0ms
(* (* a 27.0) b)
25.0ms
(* (* (* y 9.0) z) t)

simplify1.4s

Counts
96 → 96
Iterations

Useful iterations: 2 (400.0ms)

IterNodesCost
01521078
13911038
21713880
done5001880

prune256.0ms

Pruning

6 alts after pruning (6 fresh and 0 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)))
0.0b
(+ (- (* x 2.0) (* (* y 9.0) (* z t))) (* (* a 27.0) b))
0.5b
(* (* a 27.0) b)
5.5b
(* (* y 9.0) (* z t))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
21×pow1 add-exp-log add-cbrt-cube
11×pow-prod-down prod-exp cbrt-unprod add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u associate-*r* log1p-expm1-u
associate-+l+ fma-def
sub-neg diff-log associate-*l* prod-diff sum-log *-commutative
+-commutative associate-+l- flip3-- flip3-+ fma-neg flip-- flip-+
Counts
4 → 81
Calls
4 calls:
3.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
15.0ms
(+ (- (* x 2.0) (* (* y 9.0) (* z t))) (* (* a 27.0) b))
6.0ms
(* (* a 27.0) b)
10.0ms
(* (* y 9.0) (* z t))

series270.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
152.0ms
(+ (- (* x 2.0) (* (* y 9.0) (* z t))) (* (* a 27.0) b))
20.0ms
(* (* a 27.0) b)
26.0ms
(* (* y 9.0) (* z t))

simplify962.0ms

Counts
93 → 93
Iterations

Useful iterations: 2 (193.0ms)

IterNodesCost
01521246
14191162
217851028
done50011028

prune260.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* x 2.0) (* (* y 9.0) (* z t)))
0.0b
(+ (- (* x 2.0) (* (* y 9.0) (* z t))) (* a (* 27.0 b)))
0.3b
(* a (* 27.0 b))
5.5b
(* (* y 9.0) (* z t))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
21×pow1 add-exp-log add-cbrt-cube
11×pow-prod-down prod-exp cbrt-unprod add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u associate-*l* log1p-expm1-u
associate-+l+ fma-def
sub-neg diff-log associate-*r* prod-diff sum-log *-commutative
+-commutative associate-+l- flip3-- flip3-+ fma-neg flip-- flip-+
Counts
4 → 81
Calls
4 calls:
3.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
13.0ms
(+ (- (* x 2.0) (* (* y 9.0) (* z t))) (* a (* 27.0 b)))
6.0ms
(* a (* 27.0 b))
10.0ms
(* (* y 9.0) (* z t))

series267.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
149.0ms
(+ (- (* x 2.0) (* (* y 9.0) (* z t))) (* a (* 27.0 b)))
20.0ms
(* a (* 27.0 b))
26.0ms
(* (* y 9.0) (* z t))

simplify854.0ms

Counts
93 → 93
Iterations

Useful iterations: 2 (160.0ms)

IterNodesCost
01491243
14101161
216651027
done50001027

prune279.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* x 2.0) (* (* y 9.0) (* z t)))
0.0b
(+ (- (* x 2.0) (* (* y 9.0) (* z t))) (* 27.0 (* a b)))
0.3b
(* 27.0 (* a b))
5.5b
(* (* y 9.0) (* z t))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
21×pow1 add-exp-log add-cbrt-cube
11×pow-prod-down prod-exp cbrt-unprod add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u associate-*l* log1p-expm1-u
associate-+l+ fma-def
sub-neg diff-log associate-*r* prod-diff sum-log *-commutative
+-commutative associate-+l- flip3-- flip3-+ fma-neg flip-- flip-+
Counts
4 → 81
Calls
4 calls:
3.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
13.0ms
(+ (- (* x 2.0) (* (* y 9.0) (* z t))) (* 27.0 (* a b)))
6.0ms
(* 27.0 (* a b))
10.0ms
(* (* y 9.0) (* z t))

series275.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
150.0ms
(+ (- (* x 2.0) (* (* y 9.0) (* z t))) (* 27.0 (* a b)))
23.0ms
(* 27.0 (* a b))
27.0ms
(* (* y 9.0) (* z t))

simplify882.0ms

Counts
93 → 93
Iterations

Useful iterations: 2 (164.0ms)

IterNodesCost
01471243
14061161
216181027
done50001027

prune250.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0b

regimes584.0ms

Accuracy

88.5% (0.4b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 3.8b

bsearch1.0ms

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02967
14451
done4451

end0.0ms

sample795.0ms

Algorithm
intervals
Results
434.0ms11060×body80valid