Details

Time bar (total: 25.5s)

sample75.0ms

Algorithm
intervals
Results
38.0ms539×body80valid

simplify13.6s

Counts
1 → 1
Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
02831
16629
219729
356729
4119129
5173629
6245929
7367529
8459729
done459729

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.2b

localize24.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 18.0) y)
0.2b
(* (* j 27.0) k)
4.1b
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
4.9b
(* (* (* x 18.0) y) z)

rewrite120.0ms

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:
6.0ms
(* (* x 18.0) y)
6.0ms
(* (* j 27.0) k)
84.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
21.0ms
(* (* (* x 18.0) y) z)

series173.0ms

Counts
4 → 12
Calls
4 calls:
19.0ms
(* (* x 18.0) y)
17.0ms
(* (* j 27.0) k)
111.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
26.0ms
(* (* (* x 18.0) y) z)

simplify832.0ms

Counts
93 → 93
Iterations

Useful iterations: 2 (178.0ms)

IterNodesCost
01581015
1403980
21774822
done5000822

prune317.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 1.9b

localize20.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 18.0) y)
0.2b
(* j (* 27.0 k))
4.1b
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
4.9b
(* (* (* x 18.0) y) z)

rewrite116.0ms

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:
6.0ms
(* (* x 18.0) y)
6.0ms
(* j (* 27.0 k))
82.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
20.0ms
(* (* (* x 18.0) y) z)

series174.0ms

Counts
4 → 12
Calls
4 calls:
21.0ms
(* (* x 18.0) y)
16.0ms
(* j (* 27.0 k))
108.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
28.0ms
(* (* (* x 18.0) y) z)

simplify733.0ms

Counts
93 → 93
Iterations

Useful iterations: 2 (162.0ms)

IterNodesCost
01561012
1395979
21712821
done5000821

prune321.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 1.9b

localize27.0ms

Local error

Found 4 expressions with local error:

4.9b
(* (* (* x 18.0) y) z)
16.5b
(cbrt (* (* (* x 18.0) y) z))
16.5b
(cbrt (* (* (* x 18.0) y) z))
16.5b
(cbrt (* (* (* x 18.0) y) z))

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
13×pow1 add-exp-log add-cbrt-cube
pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
add-log-exp
cbrt-prod pow1/3 associate-*r*
associate-*l* *-commutative
Counts
4 → 48
Calls
4 calls:
24.0ms
(* (* (* x 18.0) y) z)
18.0ms
(cbrt (* (* (* x 18.0) y) z))
18.0ms
(cbrt (* (* (* x 18.0) y) z))
19.0ms
(cbrt (* (* (* x 18.0) y) z))

series351.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(* (* (* x 18.0) y) z)
106.0ms
(cbrt (* (* (* x 18.0) y) z))
106.0ms
(cbrt (* (* (* x 18.0) y) z))
110.0ms
(cbrt (* (* (* x 18.0) y) z))

simplify2.7s

Counts
60 → 60
Iterations

Useful iterations: 3 (838.0ms)

IterNodesCost
096700
1241683
2922573
34881549
done5000549

prune370.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 1.9b

localize24.0ms

Local error

Found 4 expressions with local error:

4.9b
(* (* (* (cbrt (* (* x 18.0) y)) (cbrt (* (* x 18.0) y))) (cbrt (* (* x 18.0) y))) z)
12.2b
(cbrt (* (* x 18.0) y))
12.2b
(cbrt (* (* x 18.0) y))
12.2b
(cbrt (* (* x 18.0) y))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
13×pow1 add-exp-log
add-cbrt-cube
pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
add-log-exp
cbrt-prod pow1/3 associate-*r*
associate-*l* *-commutative
Counts
4 → 48
Calls
4 calls:
58.0ms
(* (* (* (cbrt (* (* x 18.0) y)) (cbrt (* (* x 18.0) y))) (cbrt (* (* x 18.0) y))) z)
5.0ms
(cbrt (* (* x 18.0) y))
5.0ms
(cbrt (* (* x 18.0) y))
7.0ms
(cbrt (* (* x 18.0) y))

series361.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(* (* (* (cbrt (* (* x 18.0) y)) (cbrt (* (* x 18.0) y))) (cbrt (* (* x 18.0) y))) z)
97.0ms
(cbrt (* (* x 18.0) y))
95.0ms
(cbrt (* (* x 18.0) y))
95.0ms
(cbrt (* (* x 18.0) y))

simplify1.5s

Counts
60 → 60
Iterations

Useful iterations: 3 (552.0ms)

IterNodesCost
083960
1210934
2726563
33180470
done5000470

prune278.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 1.9b

regimes960.0ms

Accuracy

17% (2.7b remaining)

Error of 4.7b against oracle of 2.1b and baseline of 5.3b

bsearch230.0ms

Steps
ItersRangePoint
10
7.320640770367206e-77
3.336902614120168e-65
1.2403457310672628e-70
6
-1.5073358491969284e-201
-1.4831394625346736e-202
-2.602365083086104e-202

simplify14.0ms

Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
05096
17395
28395
38695
done8695

end0.0ms

sample2.1s

Algorithm
intervals
Results
1.3s16045×body80valid