Details

Time bar (total: 15.8s)

sample77.0ms

Algorithm
intervals
Results
33.0ms324×body80valid

simplify1.9s

Counts
1 → 1
Iterations

Useful iterations: 2 (23.0ms)

IterNodesCost
01717
13517
29216
325716
460116
5128416
done500116

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 4.3b

localize31.0ms

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)
6.7b
(* (* (* y 9.0) z) t)

rewrite150.0ms

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:
10.0ms
(- (* x 2.0) (* (* (* y 9.0) z) t))
0.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* (* y 9.0) z) t)))
33.0ms
(* (* y 9.0) z)
105.0ms
(* (* (* y 9.0) z) t)

series417.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(- (* x 2.0) (* (* (* y 9.0) z) t))
224.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* (* y 9.0) z) t)))
24.0ms
(* (* y 9.0) z)
46.0ms
(* (* (* y 9.0) z) t)

simplify2.0s

Counts
81 → 81
Iterations

Useful iterations: 2 (381.0ms)

IterNodesCost
0125997
1315954
21867823
done5000823

prune475.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize19.0ms

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))))
5.6b
(* (* y 9.0) (* z t))

rewrite83.0ms

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:
21.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
1.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* y 9.0) (* z t))))
58.0ms
(* (* y 9.0) (* z t))

series462.0ms

Counts
3 → 9
Calls
3 calls:
122.0ms
(- (* x 2.0) (* (* y 9.0) (* z t)))
273.0ms
(fma (* a 27.0) b (- (* x 2.0) (* (* y 9.0) (* z t))))
67.0ms
(* (* y 9.0) (* z t))

simplify1.5s

Counts
59 → 59
Iterations

Useful iterations: done (1.5s)

IterNodesCost
0105849
1267811
21210698
done5000696

prune270.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize28.0ms

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))
5.5b
(* y (* 9.0 (* z t)))

rewrite96.0ms

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:
15.0ms
(- (* x 2.0) (* y (* 9.0 (* z t))))
1.0ms
(fma (* a 27.0) b (- (* x 2.0) (* y (* 9.0 (* z t)))))
31.0ms
(* 9.0 (* z t))
48.0ms
(* y (* 9.0 (* z t)))

series518.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(- (* x 2.0) (* y (* 9.0 (* z t))))
359.0ms
(fma (* a 27.0) b (- (* x 2.0) (* y (* 9.0 (* z t)))))
30.0ms
(* 9.0 (* z t))
36.0ms
(* y (* 9.0 (* z t)))

simplify1.5s

Counts
81 → 81
Iterations

Useful iterations: 2 (235.0ms)

IterNodesCost
0121991
1294952
21340821
done5000821

prune435.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize24.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (* a 27.0) b (- (* x 2.0) (* y (* (* (cbrt 9.0) (cbrt 9.0)) (* (cbrt 9.0) (* z t))))))
0.2b
(* (cbrt 9.0) (* z t))
0.3b
(* (* (cbrt 9.0) (cbrt 9.0)) (* (cbrt 9.0) (* z t)))
5.5b
(* y (* (* (cbrt 9.0) (cbrt 9.0)) (* (cbrt 9.0) (* z t))))

rewrite358.0ms

Algorithm
rewrite-expression-head
Rules
59×pow1 add-exp-log
40×pow-prod-down prod-exp cbrt-unprod
37×add-cbrt-cube
10×associate-*l*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-prod associate-*r* *-commutative
fma-udef
Counts
4 → 98
Calls
4 calls:
0.0ms
(fma (* a 27.0) b (- (* x 2.0) (* y (* (* (cbrt 9.0) (cbrt 9.0)) (* (cbrt 9.0) (* z t))))))
20.0ms
(* (cbrt 9.0) (* z t))
80.0ms
(* (* (cbrt 9.0) (cbrt 9.0)) (* (cbrt 9.0) (* z t)))
254.0ms
(* y (* (* (cbrt 9.0) (cbrt 9.0)) (* (cbrt 9.0) (* z t))))

series576.0ms

Counts
4 → 12
Calls
4 calls:
335.0ms
(fma (* a 27.0) b (- (* x 2.0) (* y (* (* (cbrt 9.0) (cbrt 9.0)) (* (cbrt 9.0) (* z t))))))
55.0ms
(* (cbrt 9.0) (* z t))
85.0ms
(* (* (cbrt 9.0) (cbrt 9.0)) (* (cbrt 9.0) (* z t)))
100.0ms
(* y (* (* (cbrt 9.0) (cbrt 9.0)) (* (cbrt 9.0) (* z t))))

simplify1.3s

Counts
110 → 110
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01351757
13441714
215521138
done5000880

prune311.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

regimes818.0ms

Accuracy

90.7% (0.3b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 3.5b

bsearch2.0ms

simplify8.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
02965
14350
done4350

end0.0ms

sample2.4s

Algorithm
intervals
Results
1.1s10956×body80valid