Details

Time bar (total: 13.7s)

sample71.0ms

Algorithm
intervals
Results
35.0ms475×body80valid

simplify3.1s

Counts
1 → 1
Iterations

Useful iterations: 5 (1.1s)

IterNodesCost
02831
16729
221827
372627
4211827
5388026
done500026

prune15.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 1.6b

localize28.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 18.0) y)
0.5b
(* (* j 27.0) k)
4.5b
(* (* (* x 18.0) y) z)
6.1b
(* (* (* (* x 18.0) y) z) t)

rewrite118.0ms

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:
6.0ms
(* (* x 18.0) y)
6.0ms
(* (* j 27.0) k)
22.0ms
(* (* (* x 18.0) y) z)
80.0ms
(* (* (* (* x 18.0) y) z) t)

series118.0ms

Counts
4 → 12
Calls
4 calls:
21.0ms
(* (* x 18.0) y)
19.0ms
(* (* j 27.0) k)
31.0ms
(* (* (* x 18.0) y) z)
47.0ms
(* (* (* (* x 18.0) y) z) t)

simplify1.2s

Counts
101 → 101
Iterations

Useful iterations: 2 (136.0ms)

IterNodesCost
0145974
1378944
21971738
done5000738

prune385.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (- (* (* (* x 18.0) y) (* z t)) (* (* a 4.0) t)) (* b c))
0.2b
(* (* x 18.0) y)
0.5b
(* (* j 27.0) k)
9.2b
(* (* (* x 18.0) y) (* z t))

rewrite214.0ms

Algorithm
rewrite-expression-head
Rules
35×pow1 add-exp-log add-cbrt-cube
21×pow-prod-down prod-exp cbrt-unprod
add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity associate-*r*
expm1-log1p-u log1p-expm1-u
associate-+l+ fma-def associate-*l* *-commutative
sum-log
+-commutative associate-+l- sub-neg flip3-+ diff-log prod-diff flip-+
Counts
4 → 91
Calls
4 calls:
171.0ms
(+ (- (* (* (* x 18.0) y) (* z t)) (* (* a 4.0) t)) (* b c))
6.0ms
(* (* x 18.0) y)
6.0ms
(* (* j 27.0) k)
27.0ms
(* (* (* x 18.0) y) (* z t))

series273.0ms

Counts
4 → 12
Calls
4 calls:
189.0ms
(+ (- (* (* (* x 18.0) y) (* z t)) (* (* a 4.0) t)) (* b c))
23.0ms
(* (* x 18.0) y)
17.0ms
(* (* j 27.0) k)
44.0ms
(* (* (* x 18.0) y) (* z t))

simplify855.0ms

Counts
103 → 103
Iterations

Useful iterations: 2 (162.0ms)

IterNodesCost
01721298
14811263
22074978
done5001978

prune406.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (- (* (* (* x 18.0) y) (* z t)) (* (* a 4.0) t)) (* b c))
0.2b
(* (* x 18.0) y)
0.7b
(* j (* 27.0 k))
9.2b
(* (* (* x 18.0) y) (* z t))

rewrite212.0ms

Algorithm
rewrite-expression-head
Rules
35×pow1 add-exp-log add-cbrt-cube
21×pow-prod-down prod-exp cbrt-unprod
add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-*r* associate-*l*
expm1-log1p-u log1p-expm1-u
associate-+l+ fma-def *-commutative
sum-log
+-commutative associate-+l- sub-neg flip3-+ diff-log prod-diff flip-+
Counts
4 → 91
Calls
4 calls:
169.0ms
(+ (- (* (* (* x 18.0) y) (* z t)) (* (* a 4.0) t)) (* b c))
6.0ms
(* (* x 18.0) y)
6.0ms
(* j (* 27.0 k))
27.0ms
(* (* (* x 18.0) y) (* z t))

series289.0ms

Counts
4 → 12
Calls
4 calls:
200.0ms
(+ (- (* (* (* x 18.0) y) (* z t)) (* (* a 4.0) t)) (* b c))
21.0ms
(* (* x 18.0) y)
22.0ms
(* j (* 27.0 k))
46.0ms
(* (* (* x 18.0) y) (* z t))

simplify800.0ms

Counts
103 → 103
Iterations

Useful iterations: 2 (153.0ms)

IterNodesCost
01701295
14701262
21944977
done5000977

prune444.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize30.0ms

Local error

Found 4 expressions with local error:

7.3b
(cbrt (* (* j 27.0) k))
7.3b
(cbrt (* (* j 27.0) k))
7.3b
(cbrt (* (* j 27.0) k))
9.2b
(* (* (* x 18.0) y) (* z t))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
25×pow1 add-exp-log add-cbrt-cube
15×pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity log1p-expm1-u add-log-exp
cbrt-prod pow1/3
associate-*r* associate-*l* *-commutative
Counts
4 → 63
Calls
4 calls:
5.0ms
(cbrt (* (* j 27.0) k))
5.0ms
(cbrt (* (* j 27.0) k))
5.0ms
(cbrt (* (* j 27.0) k))
29.0ms
(* (* (* x 18.0) y) (* z t))

series381.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(cbrt (* (* j 27.0) k))
106.0ms
(cbrt (* (* j 27.0) k))
113.0ms
(cbrt (* (* j 27.0) k))
54.0ms
(* (* (* x 18.0) y) (* z t))

simplify481.0ms

Counts
75 → 75
Iterations

Useful iterations: 2 (94.0ms)

IterNodesCost
0113847
1292826
21014661
done5000661

prune451.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

regimes1.6s

Accuracy

88.4% (0.7b remaining)

Error of 0.7b against oracle of 0.0b and baseline of 6.2b

bsearch4.0ms

simplify5.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
045151
168119
done68119

end0.0ms

sample2.2s

Algorithm
intervals
Results
1.2s16144×body80valid