Details

Time bar (total: 23.1s)

sample185.0ms

Algorithm
intervals
Results
99.0ms481×body80valid

simplify2.5s

Counts
1 → 1
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
02831
16629
220129
361629
4172229
done500029

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.6b

localize38.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (* x 18.0) y)
0.7b
(* (* j 27.0) k)
2.5b
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
5.1b
(* (* (* x 18.0) y) z)

rewrite453.0ms

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:
20.0ms
(* (* x 18.0) y)
24.0ms
(* (* j 27.0) k)
332.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
74.0ms
(* (* (* x 18.0) y) z)

series283.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(* (* x 18.0) y)
24.0ms
(* (* j 27.0) k)
174.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
46.0ms
(* (* (* x 18.0) y) z)

simplify2.5s

Counts
93 → 93
Iterations

Useful iterations: done (2.5s)

IterNodesCost
01581015
1424980
22822828
done5002822

prune603.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 1.6b

localize39.0ms

Local error

Found 4 expressions with local error:

0.3b
(* 27.0 (* k j))
0.5b
(* (* x 18.0) y)
2.5b
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
5.1b
(* (* (* x 18.0) y) z)

rewrite487.0ms

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:
17.0ms
(* 27.0 (* k j))
33.0ms
(* (* x 18.0) y)
332.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
101.0ms
(* (* (* x 18.0) y) z)

series290.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(* 27.0 (* k j))
33.0ms
(* (* x 18.0) y)
180.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
50.0ms
(* (* (* x 18.0) y) z)

simplify2.1s

Counts
93 → 93
Iterations

Useful iterations: done (2.1s)

IterNodesCost
01541012
1408979
22541835
done5000821

prune711.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 1.5b

localize75.0ms

Local error

Found 4 expressions with local error:

5.1b
(* (* (* x 18.0) y) z)
13.7b
(cbrt (* (* (* x 18.0) y) z))
13.7b
(cbrt (* (* (* x 18.0) y) z))
13.7b
(cbrt (* (* (* x 18.0) y) z))

rewrite348.0ms

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:
114.0ms
(* (* (* x 18.0) y) z)
80.0ms
(cbrt (* (* (* x 18.0) y) z))
78.0ms
(cbrt (* (* (* x 18.0) y) z))
72.0ms
(cbrt (* (* (* x 18.0) y) z))

series576.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(* (* (* x 18.0) y) z)
167.0ms
(cbrt (* (* (* x 18.0) y) z))
168.0ms
(cbrt (* (* (* x 18.0) y) z))
188.0ms
(cbrt (* (* (* x 18.0) y) z))

simplify1.1s

Counts
60 → 60
Iterations

Useful iterations: done (1.1s)

IterNodesCost
096700
1244683
21274573
done5001561

prune704.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 1.5b

localize55.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (* x 18.0) y)
0.5b
(* j (* 27.0 k))
2.5b
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
5.1b
(* (* (* x 18.0) y) z)

rewrite478.0ms

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)
25.0ms
(* j (* 27.0 k))
320.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
89.0ms
(* (* (* x 18.0) y) z)

series331.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(* (* x 18.0) y)
24.0ms
(* j (* 27.0 k))
220.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
51.0ms
(* (* (* x 18.0) y) z)

simplify2.0s

Counts
93 → 93
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01561012
1412979
22491835
done5000821

prune460.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 1.5b

regimes1.5s

Accuracy

47.9% (2.0b remaining)

Error of 4.1b against oracle of 2.1b and baseline of 5.9b

bsearch222.0ms

Steps
ItersRangePoint
5
1.2131355503403283e+26
2.632103798519069e+26
1.2816221810803726e+26
5
-3.297361833158244e-146
-9.754799411550227e-147
-3.2442429541128636e-146

simplify6.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
04095
16067
done6067

end0.0ms

sample5.0s

Algorithm
intervals
Results
2.9s16191×body80valid