Details

Time bar (total: 22.6s)

sample101.0ms

Algorithm
intervals
Results
47.0ms526×body80valid

simplify2.1s

Counts
1 → 1
Iterations

Useful iterations: 1 (28.0ms)

IterNodesCost
02831
16629
220129
361629
4172229
done500029

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 4.6b

localize25.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* j 27.0) k)
0.3b
(* (* x 18.0) y)
2.9b
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
5.1b
(* (* (* x 18.0) y) z)

rewrite332.0ms

Algorithm
rewrite-expression-head
Rules
25×pow1 add-exp-log add-cbrt-cube
13×pow-prod-down prod-exp cbrt-unprod
12×associate-*r*
11×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
associate-*l*
*-commutative add-log-exp
distribute-rgt-in sub-neg distribute-lft-in associate-*r/
flip3-- flip-- unswap-sqr
Counts
4 → 81
Calls
4 calls:
24.0ms
(* (* j 27.0) k)
21.0ms
(* (* x 18.0) y)
222.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
60.0ms
(* (* (* x 18.0) y) z)

series252.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(* (* j 27.0) k)
27.0ms
(* (* x 18.0) y)
153.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
44.0ms
(* (* (* x 18.0) y) z)

simplify2.3s

Counts
93 → 93
Iterations

Useful iterations: done (2.3s)

IterNodesCost
01581015
1424980
22817840
done5001822

prune525.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.2b

localize28.0ms

Local error

Found 4 expressions with local error:

0.2b
(* x (* y 18.0))
0.2b
(* (* j 27.0) k)
2.9b
(* t (- (* (* x (* y 18.0)) z) (* a 4.0)))
5.1b
(* (* x (* y 18.0)) z)

rewrite462.0ms

Algorithm
rewrite-expression-head
Rules
25×pow1 add-exp-log add-cbrt-cube
13×pow-prod-down prod-exp cbrt-unprod
11×add-sqr-sqrt
10×associate-*r*
add-cube-cbrt *-un-lft-identity
associate-*l*
*-commutative add-log-exp
distribute-rgt-in sub-neg distribute-lft-in associate-*r/
flip3-- flip-- unswap-sqr
Counts
4 → 81
Calls
4 calls:
19.0ms
(* x (* y 18.0))
36.0ms
(* (* j 27.0) k)
308.0ms
(* t (- (* (* x (* y 18.0)) z) (* a 4.0)))
96.0ms
(* (* x (* y 18.0)) z)

series262.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(* x (* y 18.0))
25.0ms
(* (* j 27.0) k)
164.0ms
(* t (- (* (* x (* y 18.0)) z) (* a 4.0)))
51.0ms
(* (* x (* y 18.0)) z)

simplify1.7s

Counts
93 → 93
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01551014
1416981
22275825
done5000823

prune495.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.5b

localize63.0ms

Local error

Found 4 expressions with local error:

0.2b
(* j (* 27.0 k))
0.3b
(* (* x 18.0) y)
2.9b
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
5.1b
(* (* (* x 18.0) y) z)

rewrite465.0ms

Algorithm
rewrite-expression-head
Rules
25×pow1 add-exp-log add-cbrt-cube
13×pow-prod-down prod-exp cbrt-unprod
11×add-sqr-sqrt
10×associate-*r*
add-cube-cbrt *-un-lft-identity
associate-*l*
*-commutative add-log-exp
distribute-rgt-in sub-neg distribute-lft-in associate-*r/
flip3-- flip-- unswap-sqr
Counts
4 → 81
Calls
4 calls:
32.0ms
(* j (* 27.0 k))
36.0ms
(* (* x 18.0) y)
287.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
105.0ms
(* (* (* x 18.0) y) z)

series264.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(* j (* 27.0 k))
26.0ms
(* (* x 18.0) y)
168.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
49.0ms
(* (* (* x 18.0) y) z)

simplify2.4s

Counts
93 → 93
Iterations

Useful iterations: done (2.3s)

IterNodesCost
01561012
1412979
22535839
done5000825

prune623.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 0.5b

localize67.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* x 18.0) y)
0.3b
(* 27.0 (* k j))
2.9b
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
5.1b
(* (* (* x 18.0) y) z)

rewrite494.0ms

Algorithm
rewrite-expression-head
Rules
25×pow1 add-exp-log add-cbrt-cube
13×pow-prod-down prod-exp cbrt-unprod
11×add-sqr-sqrt
10×associate-*r*
add-cube-cbrt *-un-lft-identity
associate-*l*
*-commutative add-log-exp
distribute-rgt-in sub-neg distribute-lft-in associate-*r/
flip3-- flip-- unswap-sqr
Counts
4 → 81
Calls
4 calls:
36.0ms
(* (* x 18.0) y)
33.0ms
(* 27.0 (* k j))
326.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
93.0ms
(* (* (* x 18.0) y) z)

series289.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(* (* x 18.0) y)
23.0ms
(* 27.0 (* k j))
179.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
53.0ms
(* (* (* x 18.0) y) z)

simplify2.2s

Counts
93 → 93
Iterations

Useful iterations: done (2.2s)

IterNodesCost
01541012
1408979
22526835
done5001821

prune527.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.5b

regimes1.5s

Accuracy

12.8% (3.8b remaining)

Error of 4.5b against oracle of 0.7b and baseline of 5.1b

bsearch193.0ms

Steps
ItersRangePoint
8
4.380805319875246e+68
4.626612217824153e+72
7.404784423365477e+68

simplify27.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
04167
16865
27465
37565
done7565

end0.0ms

sample4.9s

Algorithm
intervals
Results
3.2s16179×body80valid