Details

Time bar (total: 26.6s)

sample69.0ms

Algorithm
intervals
Results
34.0ms475×body80valid

simplify15.7s

Counts
1 → 1
Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
02831
16629
219729
356729
4119129
5173629
6238929
7371529
8475829
done475829

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.1b

localize26.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 18.0) y)
0.5b
(* (* j 27.0) k)
3.6b
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
4.5b
(* (* (* x 18.0) y) z)

rewrite129.0ms

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:
7.0ms
(* (* x 18.0) y)
7.0ms
(* (* j 27.0) k)
91.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
22.0ms
(* (* (* x 18.0) y) z)

series187.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(* (* x 18.0) y)
18.0ms
(* (* j 27.0) k)
121.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
28.0ms
(* (* (* x 18.0) y) z)

simplify745.0ms

Counts
93 → 93
Iterations

Useful iterations: 2 (210.0ms)

IterNodesCost
01581015
1403980
21682822
done5001822

prune320.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.6b

localize21.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 18.0) y)
0.7b
(* j (* 27.0 k))
3.6b
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
4.5b
(* (* (* x 18.0) y) z)

rewrite127.0ms

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:
7.0ms
(* (* x 18.0) y)
6.0ms
(* j (* 27.0 k))
89.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
22.0ms
(* (* (* x 18.0) y) z)

series185.0ms

Counts
4 → 12
Calls
4 calls:
21.0ms
(* (* x 18.0) y)
17.0ms
(* j (* 27.0 k))
119.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
28.0ms
(* (* (* x 18.0) y) z)

simplify938.0ms

Counts
93 → 93
Iterations

Useful iterations: 2 (206.0ms)

IterNodesCost
01561012
1395979
21620821
done5001821

prune316.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.6b

localize24.0ms

Local error

Found 4 expressions with local error:

0.4b
(* x (* y 18.0))
0.7b
(* j (* 27.0 k))
3.6b
(* t (- (* (* x (* y 18.0)) z) (* a 4.0)))
4.5b
(* (* x (* y 18.0)) z)

rewrite108.0ms

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-*l*
add-cube-cbrt *-un-lft-identity
associate-*r*
*-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 (* y 18.0))
6.0ms
(* j (* 27.0 k))
75.0ms
(* t (- (* (* x (* y 18.0)) z) (* a 4.0)))
18.0ms
(* (* x (* y 18.0)) z)

series179.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(* x (* y 18.0))
19.0ms
(* j (* 27.0 k))
113.0ms
(* t (- (* (* x (* y 18.0)) z) (* a 4.0)))
27.0ms
(* (* x (* y 18.0)) z)

simplify577.0ms

Counts
93 → 93
Iterations

Useful iterations: 2 (139.0ms)

IterNodesCost
01531011
1394980
21480822
done5000822

prune346.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 2.6b

localize30.0ms

Local error

Found 4 expressions with local error:

4.5b
(* (* (* x 18.0) y) z)
7.3b
(cbrt (* (* j 27.0) k))
7.3b
(cbrt (* (* j 27.0) k))
7.3b
(cbrt (* (* j 27.0) k))

rewrite39.0ms

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:
22.0ms
(* (* (* x 18.0) y) z)
5.0ms
(cbrt (* (* j 27.0) k))
5.0ms
(cbrt (* (* j 27.0) k))
5.0ms
(cbrt (* (* j 27.0) k))

series327.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(* (* (* x 18.0) y) z)
98.0ms
(cbrt (* (* j 27.0) k))
99.0ms
(cbrt (* (* j 27.0) k))
99.0ms
(cbrt (* (* j 27.0) k))

simplify2.7s

Counts
60 → 60
Iterations

Useful iterations: 3 (884.0ms)

IterNodesCost
097595
1234581
2840486
34474465
done5000465

prune274.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 2.6b

regimes1.0s

Accuracy

28.5% (2.5b remaining)

Error of 4.7b against oracle of 2.2b and baseline of 5.7b

bsearch133.0ms

Steps
ItersRangePoint
3
1.1118810547621865e-68
1.4213557528680274e-68
1.1312232233938015e-68
6
-1.6361143561567743e-43
-2.01543095993581e-44
-3.1141079314986784e-44

simplify10.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
052104
177103
287103
390103
done90103

end0.0ms

sample2.1s

Algorithm
intervals
Results
1.2s16144×body80valid