Details

Time bar (total: 25.7s)

sample104.0ms

Algorithm
intervals
Results
54.0ms514×body80valid

simplify5.8s

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

prune38.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.8b

localize76.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))
0.3b
(* 27.0 (* k j))
4.0b
(* (* t x) (* y 18.0))
8.1b
(* z (* (* t x) (* y 18.0)))

rewrite128.0ms

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 4.0 (fma t a (* x i)) (* 27.0 (* k j)))
12.0ms
(* 27.0 (* k j))
28.0ms
(* (* t x) (* y 18.0))
85.0ms
(* z (* (* t x) (* y 18.0)))

series274.0ms

Counts
4 → 12
Calls
4 calls:
129.0ms
(fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))
22.0ms
(* 27.0 (* k j))
43.0ms
(* (* t x) (* y 18.0))
80.0ms
(* z (* (* t x) (* y 18.0)))

simplify1.6s

Counts
95 → 95
Iterations
IterNodes
done5004
21439
1358
0146

prune960.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize52.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))
0.3b
(* 27.0 (* k j))
3.9b
(* z (* t x))
5.2b
(* (* z (* t x)) (* y 18.0))

rewrite146.0ms

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)))
23.0ms
(* 27.0 (* k j))
24.0ms
(* z (* t x))
95.0ms
(* (* z (* t x)) (* y 18.0))

series283.0ms

Counts
4 → 12
Calls
4 calls:
139.0ms
(fma 4.0 (fma t a (* x i)) (* 27.0 (* k j)))
24.0ms
(* 27.0 (* k j))
40.0ms
(* z (* t x))
79.0ms
(* (* z (* t x)) (* y 18.0))

simplify1.5s

Counts
92 → 92
Iterations
IterNodes
done5002
21355
1352
0143

prune911.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize71.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (* z (* t x)) y) 18.0)
0.3b
(* 27.0 (* k j))
3.9b
(* z (* t x))
5.2b
(* (* z (* t x)) y)

rewrite244.0ms

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:
154.0ms
(* (* (* z (* t x)) y) 18.0)
13.0ms
(* 27.0 (* k j))
18.0ms
(* z (* t x))
54.0ms
(* (* z (* t x)) y)

series186.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(* (* (* z (* t x)) y) 18.0)
31.0ms
(* 27.0 (* k j))
41.0ms
(* z (* t x))
57.0ms
(* (* z (* t x)) y)

simplify1.5s

Counts
101 → 101
Iterations
IterNodes
done5001
21381
1356
0140

prune1.1s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize110.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (fma 4.0 (fma t a (* x i)) (* 27.0 (* k j))))
0.5b
(cbrt (fma 4.0 (fma t a (* x i)) (* 27.0 (* k j))))
3.9b
(* z (* t x))
5.2b
(* (* z (* t x)) (* y 18.0))

rewrite422.0ms

Algorithm
rewrite-expression-head
Rules
30×pow1 add-cbrt-cube add-exp-log
18×pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
cbrt-prod
expm1-log1p-u associate-*l* log1p-expm1-u add-log-exp
pow1/3 associate-*r* *-commutative
Counts
4 → 76
Calls
4 calls:
1.0ms
(cbrt (fma 4.0 (fma t a (* x i)) (* 27.0 (* k j))))
1.0ms
(cbrt (fma 4.0 (fma t a (* x i)) (* 27.0 (* k j))))
19.0ms
(* z (* t x))
399.0ms
(* (* z (* t x)) (* y 18.0))

series838.0ms

Counts
4 → 12
Calls
4 calls:
374.0ms
(cbrt (fma 4.0 (fma t a (* x i)) (* 27.0 (* k j))))
351.0ms
(cbrt (fma 4.0 (fma t a (* x i)) (* 27.0 (* k j))))
41.0ms
(* z (* t x))
71.0ms
(* (* z (* t x)) (* y 18.0))

simplify1.7s

Counts
88 → 88
Iterations
IterNodes
done5000
21158
1318
0134

prune853.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

regimes2.7s

Accuracy

65.6% (1.4b remaining)

Error of 1.4b against oracle of 0.0b and baseline of 4.1b

bsearch4.0ms

simplify19.0ms

Iterations
IterNodes
done67
167
045

end0.0ms

sample4.1s

Algorithm
intervals
Results
2.9s16269×body80valid