Details

Time bar (total: 30.2s)

sample211.0ms

Algorithm
intervals
Results
135.0ms527×body80valid

simplify7.6s

Counts
1 → 1
Iterations

Useful iterations: 5 (6.3s)

IterNodesCost
02831
16729
222127
375727
4262327
5439726
done500026

prune16.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.6b

localize51.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* j 27.0) k)
0.2b
(* (* x 18.0) y)
4.9b
(* (* (* x 18.0) y) z)
5.9b
(* (* (* (* x 18.0) y) z) t)

rewrite468.0ms

Algorithm
rewrite-expression-head
Rules
37×pow1 add-exp-log add-cbrt-cube
22×pow-prod-down prod-exp cbrt-unprod
12×associate-*r*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u associate-*l* *-commutative log1p-expm1-u add-log-exp
Counts
4 → 89
Calls
4 calls:
35.0ms
(* (* j 27.0) k)
20.0ms
(* (* x 18.0) y)
101.0ms
(* (* (* x 18.0) y) z)
306.0ms
(* (* (* (* x 18.0) y) z) t)

series171.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(* (* j 27.0) k)
40.0ms
(* (* x 18.0) y)
44.0ms
(* (* (* x 18.0) y) z)
58.0ms
(* (* (* (* x 18.0) y) z) t)

simplify1.9s

Counts
101 → 101
Iterations

Useful iterations: 2 (445.0ms)

IterNodesCost
0145974
1358944
21696738
done5001738

prune604.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize32.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma t a (* x i))
0.1b
(fma (* (* t y) (* z x)) 18.0 (fma c b (- (fma 4.0 (fma t a (* x i)) (* (* j 27.0) k)))))
0.2b
(* (* j 27.0) k)
11.5b
(* (* t y) (* z x))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
21×pow1 add-exp-log add-cbrt-cube
11×pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u associate-*r* log1p-expm1-u add-log-exp
associate-*l* *-commutative fma-udef
Counts
4 → 64
Calls
4 calls:
0.0ms
(fma t a (* x i))
0.0ms
(fma (* (* t y) (* z x)) 18.0 (fma c b (- (fma 4.0 (fma t a (* x i)) (* (* j 27.0) k)))))
32.0ms
(* (* j 27.0) k)
37.0ms
(* (* t y) (* z x))

series3.8s

Counts
4 → 12
Calls
4 calls:
121.0ms
(fma t a (* x i))
3.6s
(fma (* (* t y) (* z x)) 18.0 (fma c b (- (fma 4.0 (fma t a (* x i)) (* (* j 27.0) k)))))
21.0ms
(* (* j 27.0) k)
56.0ms
(* (* t y) (* z x))

simplify1.9s

Counts
76 → 76
Iterations

Useful iterations: 2 (297.0ms)

IterNodesCost
0130904
1285889
21149725
done5000725

prune565.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize38.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 18.0) y)
0.3b
(* j (* 27.0 k))
4.9b
(* (* (* x 18.0) y) z)
5.9b
(* (* (* (* x 18.0) y) z) t)

rewrite435.0ms

Algorithm
rewrite-expression-head
Rules
37×pow1 add-exp-log add-cbrt-cube
22×pow-prod-down prod-exp cbrt-unprod
10×associate-*r*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-*l*
expm1-log1p-u *-commutative log1p-expm1-u add-log-exp
Counts
4 → 89
Calls
4 calls:
21.0ms
(* (* x 18.0) y)
33.0ms
(* j (* 27.0 k))
107.0ms
(* (* (* x 18.0) y) z)
270.0ms
(* (* (* (* x 18.0) y) z) t)

series238.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(* (* x 18.0) y)
26.0ms
(* j (* 27.0 k))
73.0ms
(* (* (* x 18.0) y) z)
104.0ms
(* (* (* (* x 18.0) y) z) t)

simplify2.3s

Counts
101 → 101
Iterations

Useful iterations: 2 (367.0ms)

IterNodesCost
0143971
1350943
21659737
done5000737

prune636.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.0b

localize46.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 18.0) y)
0.3b
(* 27.0 (* k j))
4.9b
(* (* (* x 18.0) y) z)
5.9b
(* (* (* (* x 18.0) y) z) t)

rewrite432.0ms

Algorithm
rewrite-expression-head
Rules
37×pow1 add-exp-log add-cbrt-cube
22×pow-prod-down prod-exp cbrt-unprod
10×associate-*r*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-*l*
expm1-log1p-u *-commutative log1p-expm1-u add-log-exp
Counts
4 → 89
Calls
4 calls:
30.0ms
(* (* x 18.0) y)
24.0ms
(* 27.0 (* k j))
81.0ms
(* (* (* x 18.0) y) z)
291.0ms
(* (* (* (* x 18.0) y) z) t)

series177.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(* (* x 18.0) y)
24.0ms
(* 27.0 (* k j))
50.0ms
(* (* (* x 18.0) y) z)
79.0ms
(* (* (* (* x 18.0) y) z) t)

simplify1.9s

Counts
101 → 101
Iterations

Useful iterations: 2 (477.0ms)

IterNodesCost
0141971
1346943
21636737
done5000737

prune596.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.0b

regimes912.0ms

Accuracy

78.2% (1.3b remaining)

Error of 1.5b against oracle of 0.2b and baseline of 6.1b

bsearch5.0ms

simplify8.0ms

Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
045139
166114
done66114

end0.0ms

sample4.9s

Algorithm
intervals
Results
3.6s16195×body80valid