Details

Time bar (total: 16.5s)

sample86.0ms

Algorithm
intervals
Results
36.0ms364×body80valid

simplify3.8s

Counts
1 → 1
Iterations

Useful iterations: 2 (24.0ms)

IterNodesCost
01717
13517
29216
325316
450616
562916
670416
774116
889416
9108416
10108816
done108816

prune12.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 3.9b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* x 2.0) (* (* (* y 9.0) z) t))
0.1b
(fma (* a 27.0) b (- (* x 2.0) (* (* (* y 9.0) z) t)))
0.2b
(* (* y 9.0) z)
5.6b
(* (* (* y 9.0) z) t)

rewrite133.0ms

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:
9.0ms
(- (* x 2.0) (* (* (* y 9.0) z) t))
1.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* (* y 9.0) z) t)))
28.0ms
(* (* y 9.0) z)
93.0ms
(* (* (* y 9.0) z) t)

series399.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(- (* x 2.0) (* (* (* y 9.0) z) t))
237.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* (* y 9.0) z) t)))
22.0ms
(* (* y 9.0) z)
34.0ms
(* (* (* y 9.0) z) t)

simplify1.5s

Counts
81 → 81
Iterations

Useful iterations: 2 (325.0ms)

IterNodesCost
0125997
1302954
21202823
done5000823

prune364.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* x 2.0) (* (* y 9.0) (* z t)))
0.1b
(fma (* a 27.0) b (- (* x 2.0) (* (* y 9.0) (* z t))))
4.5b
(* (* y 9.0) (* z t))

rewrite61.0ms

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:
11.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
0.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* y 9.0) (* z t))))
41.0ms
(* (* y 9.0) (* z t))

series429.0ms

Counts
3 → 9
Calls
3 calls:
137.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
253.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* y 9.0) (* z t))))
39.0ms
(* (* y 9.0) (* z t))

simplify1.3s

Counts
59 → 59
Iterations

Useful iterations: done (1.3s)

IterNodesCost
0105849
1265811
21043698
done5001696

prune281.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* x 2.0) (* y (* 9.0 (* z t))))
0.1b
(fma (* a 27.0) b (- (* x 2.0) (* y (* 9.0 (* z t)))))
0.2b
(* 9.0 (* z t))
4.4b
(* y (* 9.0 (* z t)))

rewrite98.0ms

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:
27.0ms
(- (* x 2.0) (* y (* 9.0 (* z t))))
1.0ms
(fma (* a 27.0) b (- (* x 2.0) (* y (* 9.0 (* z t)))))
19.0ms
(* 9.0 (* z t))
47.0ms
(* y (* 9.0 (* z t)))

series525.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(- (* x 2.0) (* y (* 9.0 (* z t))))
360.0ms
(fma (* a 27.0) b (- (* x 2.0) (* y (* 9.0 (* z t)))))
23.0ms
(* 9.0 (* z t))
43.0ms
(* y (* 9.0 (* z t)))

simplify1.9s

Counts
81 → 81
Iterations

Useful iterations: done (1.9s)

IterNodesCost
0121991
1290952
21142843
done5000821

prune384.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* x 2.0) (* (* y 9.0) (* z t)))
0.0b
(+ (* 27.0 (* a b)) (- (* x 2.0) (* (* y 9.0) (* z t))))
0.3b
(* 27.0 (* a b))
4.5b
(* (* y 9.0) (* z t))

rewrite111.0ms

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-+r+
sub-neg diff-log associate-*r* prod-diff sum-log *-commutative
+-commutative associate-+r- flip3-- fma-def flip3-+ fma-neg flip-- flip-+
Counts
4 → 79
Calls
4 calls:
12.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
47.0ms
(+ (* 27.0 (* a b)) (- (* x 2.0) (* (* y 9.0) (* z t))))
18.0ms
(* 27.0 (* a b))
31.0ms
(* (* y 9.0) (* z t))

series499.0ms

Counts
4 → 12
Calls
4 calls:
148.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
265.0ms
(+ (* 27.0 (* a b)) (- (* x 2.0) (* (* y 9.0) (* z t))))
42.0ms
(* 27.0 (* a b))
44.0ms
(* (* y 9.0) (* z t))

simplify1.3s

Counts
91 → 91
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01471231
14001123
215881012
done50011007

prune398.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.0b

regimes773.0ms

Accuracy

89.5% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 3.6b

bsearch1.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03364
14564
done4564

end0.0ms

sample2.0s

Algorithm
intervals
Results
1.2s11015×body80valid