Details

Time bar (total: 37.3s)

sample165.0ms

Algorithm
intervals
Results
88.0ms500×body80valid

simplify5.8s

Counts
1 → 1
Iterations
IterNodes
done5000
54998
42295
3723
2217
167
028

prune52.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 1.2b

localize86.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma b c (- (* z (* (* t x) (* y 18.0))) (fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))))
0.2b
(* 27.0 (* k j))
4.3b
(* (* t x) (* y 18.0))
6.9b
(* z (* (* t x) (* y 18.0)))

rewrite161.0ms

Algorithm
rewrite-expression-head
Rules
39×pow1 add-cbrt-cube add-exp-log
24×pow-prod-down prod-exp cbrt-unprod
associate-*l*
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u log1p-expm1-u add-log-exp
associate-*r* *-commutative
fma-udef
Counts
4 → 83
Calls
4 calls:
0.0ms
(fma b c (- (* z (* (* t x) (* y 18.0))) (fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))))
22.0ms
(* 27.0 (* k j))
28.0ms
(* (* t x) (* y 18.0))
107.0ms
(* z (* (* t x) (* y 18.0)))

series11.8s

Counts
4 → 12
Calls
4 calls:
11.7s
(fma b c (- (* z (* (* t x) (* y 18.0))) (fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))))
39.0ms
(* 27.0 (* k j))
39.0ms
(* (* t x) (* y 18.0))
87.0ms
(* z (* (* t x) (* y 18.0)))

simplify1.6s

Counts
95 → 95
Iterations
IterNodes
done5005
21398
1360
0148

prune900.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

localize64.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))
0.2b
(* 27.0 (* k j))
5.1b
(* z (* t x))
6.1b
(* (* z (* t x)) (* y 18.0))

rewrite118.0ms

Algorithm
rewrite-expression-head
Rules
35×pow1 add-cbrt-cube add-exp-log
21×pow-prod-down prod-exp cbrt-unprod
associate-*l*
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u log1p-expm1-u add-log-exp
associate-*r* *-commutative
fma-udef
Counts
4 → 80
Calls
4 calls:
0.0ms
(fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))
19.0ms
(* 27.0 (* k j))
20.0ms
(* z (* t x))
75.0ms
(* (* z (* t x)) (* y 18.0))

series259.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))
30.0ms
(* 27.0 (* k j))
41.0ms
(* z (* t x))
81.0ms
(* (* z (* t x)) (* y 18.0))

simplify1.6s

Counts
92 → 92
Iterations
IterNodes
done5002
21355
1352
0143

prune925.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize49.0ms

Local error

Found 4 expressions with local error:

0.2b
(* 27.0 (* k j))
0.3b
(* (* (* z (* t x)) y) 18.0)
5.1b
(* z (* t x))
5.7b
(* (* z (* t x)) y)

rewrite263.0ms

Algorithm
rewrite-expression-head
Rules
37×pow1 add-cbrt-cube add-exp-log
22×pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt *-un-lft-identity associate-*r* associate-*l* add-cube-cbrt
expm1-log1p-u *-commutative log1p-expm1-u add-log-exp
Counts
4 → 89
Calls
4 calls:
13.0ms
(* 27.0 (* k j))
170.0ms
(* (* (* z (* t x)) y) 18.0)
14.0ms
(* z (* t x))
62.0ms
(* (* z (* t x)) y)

series229.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(* 27.0 (* k j))
78.0ms
(* (* (* z (* t x)) y) 18.0)
42.0ms
(* z (* t x))
73.0ms
(* (* z (* t x)) y)

simplify1.4s

Counts
101 → 101
Iterations
IterNodes
done5000
21398
1352
0140

prune1.0s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize64.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* 27.0 k) j)
0.3b
(* (* (* z (* t x)) y) 18.0)
5.1b
(* z (* t x))
5.7b
(* (* z (* t x)) y)

rewrite239.0ms

Algorithm
rewrite-expression-head
Rules
37×pow1 add-cbrt-cube add-exp-log
22×pow-prod-down prod-exp cbrt-unprod
10×associate-*r*
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
associate-*l*
expm1-log1p-u *-commutative log1p-expm1-u add-log-exp
Counts
4 → 89
Calls
4 calls:
18.0ms
(* (* 27.0 k) j)
146.0ms
(* (* (* z (* t x)) y) 18.0)
20.0ms
(* z (* t x))
50.0ms
(* (* z (* t x)) y)

series210.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(* (* 27.0 k) j)
73.0ms
(* (* (* z (* t x)) y) 18.0)
41.0ms
(* z (* t x))
65.0ms
(* (* z (* t x)) y)

simplify1.4s

Counts
101 → 101
Iterations
IterNodes
done5006
21454
1363
0142

prune913.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0b

regimes2.6s

Accuracy

76.9% (1.0b remaining)

Error of 1.0b against oracle of 0.0b and baseline of 4.3b

bsearch5.0ms

simplify19.0ms

Iterations
IterNodes
done81
181
056

end0.0ms

sample5.2s

Algorithm
intervals
Results
3.3s16152×body80valid