Details

Time bar (total: 35.6s)

sample204.0ms

Algorithm
intervals
Results
93.0ms557×body80valid

simplify4.1s

Counts
1 → 1
Iterations

Useful iterations: 1 (51.0ms)

IterNodesCost
02831
16629
220129
361629
4172229
done500029

prune27.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.9b

localize78.0ms

Local error

Found 4 expressions with local error:

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

rewrite579.0ms

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:
35.0ms
(* (* x 18.0) y)
32.0ms
(* (* j 27.0) k)
102.0ms
(* (* (* x 18.0) y) z)
406.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))

series343.0ms

Counts
4 → 12
Calls
4 calls:
47.0ms
(* (* x 18.0) y)
40.0ms
(* (* j 27.0) k)
47.0ms
(* (* (* x 18.0) y) z)
209.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))

simplify3.1s

Counts
93 → 93
Iterations

Useful iterations: done (3.1s)

IterNodesCost
01581015
1427980
22863842
done5000832

prune1.1s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.0b

localize68.0ms

Local error

Found 4 expressions with local error:

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

rewrite557.0ms

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:
38.0ms
(* (* x 18.0) y)
34.0ms
(* (* 27.0 k) j)
90.0ms
(* (* (* x 18.0) y) z)
389.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))

series324.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(* (* x 18.0) y)
36.0ms
(* (* 27.0 k) j)
49.0ms
(* (* (* x 18.0) y) z)
203.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))

simplify3.1s

Counts
93 → 93
Iterations

Useful iterations: 2 (623.0ms)

IterNodesCost
01571015
1426980
22869832
done5001832

prune1.0s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.0b

localize70.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* x 18.0) y)
0.3b
(* 27.0 (* k j))
4.0b
(* (* (* x 18.0) y) z)
4.5b
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))

rewrite491.0ms

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:
27.0ms
(* (* x 18.0) y)
26.0ms
(* 27.0 (* k j))
83.0ms
(* (* (* x 18.0) y) z)
352.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))

series312.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(* (* x 18.0) y)
36.0ms
(* 27.0 (* k j))
54.0ms
(* (* (* x 18.0) y) z)
186.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))

simplify2.5s

Counts
93 → 93
Iterations

Useful iterations: 2 (496.0ms)

IterNodesCost
01541012
1411979
22542831
done5001831

prune915.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.0b

localize71.0ms

Local error

Found 4 expressions with local error:

4.5b
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
7.1b
(cbrt (* (* 27.0 k) j))
7.1b
(cbrt (* (* 27.0 k) j))
7.1b
(cbrt (* (* 27.0 k) j))

rewrite439.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 add-exp-log add-cube-cbrt *-un-lft-identity add-cbrt-cube
add-log-exp
cbrt-prod pow1/3 associate-*r* associate-*l*
distribute-rgt-in sub-neg distribute-lft-in associate-*r/
flip3-- pow-prod-down prod-exp *-commutative flip-- cbrt-unprod unswap-sqr
Counts
4 → 51
Calls
4 calls:
368.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
20.0ms
(cbrt (* (* 27.0 k) j))
19.0ms
(cbrt (* (* 27.0 k) j))
30.0ms
(cbrt (* (* 27.0 k) j))

series751.0ms

Counts
4 → 12
Calls
4 calls:
224.0ms
(* t (- (* (* (* x 18.0) y) z) (* a 4.0)))
172.0ms
(cbrt (* (* 27.0 k) j))
174.0ms
(cbrt (* (* 27.0 k) j))
180.0ms
(cbrt (* (* 27.0 k) j))

simplify3.4s

Counts
63 → 63
Iterations

Useful iterations: done (3.4s)

IterNodesCost
0103808
1258799
2862706
34499683
done5000659

prune941.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 3.0b

regimes3.3s

Accuracy

31.4% (2.5b remaining)

Error of 4.5b against oracle of 2.0b and baseline of 5.7b

bsearch515.0ms

Steps
ItersRangePoint
7
3.095668687735648e-73
6.849074586855587e-71
7.599063119527469e-73
8
-2.3304752159111582e-263
-7.021949338371723e-268
-2.2838980492380643e-263

simplify39.0ms

Iterations

Useful iterations: 1 (10.0ms)

IterNodesCost
05696
18991
29691
39791
done9791

end0.0ms

sample7.1s

Algorithm
intervals
Results
4.5s16032×body80valid