Details

Time bar (total: 30.2s)

sample51.0ms

Algorithm
intervals
Results
19.0ms372×body80valid

simplify6.8s

Counts
1 → 1
Iterations

Useful iterations: 2 (14.0ms)

IterNodesCost
017329
135329
290304
3234304
4479304
5785304
61259304
71579304
81794304
92110304
102752304
113636304
124854304
done5000304

prune17.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 4.1b

localize20.0ms

Local error

Found 3 expressions with local error:

0.2b
(* (* y 9.0) z)
0.3b
(fma a (* 27.0 b) (- (* x 2.0) (* (* (* y 9.0) z) t)))
7.7b
(* (* (* y 9.0) z) t)

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
17×pow1 add-cbrt-cube add-exp-log
pow-prod-down prod-exp cbrt-unprod
associate-*r*
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u log1p-expm1-u add-log-exp
associate-*l* *-commutative
fma-udef
Counts
3 → 53
Calls
3 calls:
14.0ms
(* (* y 9.0) z)
0.0ms
(fma a (* 27.0 b) (- (* x 2.0) (* (* (* y 9.0) z) t)))
47.0ms
(* (* (* y 9.0) z) t)

series287.0ms

Counts
3 → 9
Calls
3 calls:
28.0ms
(* (* y 9.0) z)
220.0ms
(fma a (* 27.0 b) (- (* x 2.0) (* (* (* y 9.0) z) t)))
39.0ms
(* (* (* y 9.0) z) t)

simplify4.0s

Counts
62 → 62
Iterations

Useful iterations: 2 (239.0ms)

IterNodesCost
09612722
122811935
277511215
3351511215
done500011215

prune471.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize33.0ms

Local error

Found 2 expressions with local error:

0.3b
(fma a (* 27.0 b) (- (* x 2.0) (* (* y 9.0) (* z t))))
5.3b
(* (* y 9.0) (* z t))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
14×pow1 add-cbrt-cube add-exp-log
pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt expm1-log1p-u *-un-lft-identity add-cube-cbrt log1p-expm1-u add-log-exp
associate-*r* associate-*l* *-commutative fma-udef
Counts
2 → 34
Calls
2 calls:
0.0ms
(fma a (* 27.0 b) (- (* x 2.0) (* (* y 9.0) (* z t))))
21.0ms
(* (* y 9.0) (* z t))

series274.0ms

Counts
2 → 6
Calls
2 calls:
227.0ms
(fma a (* 27.0 b) (- (* x 2.0) (* (* y 9.0) (* z t))))
47.0ms
(* (* y 9.0) (* z t))

simplify3.2s

Counts
40 → 40
Iterations

Useful iterations: 2 (265.0ms)

IterNodesCost
0769781
11809146
26508506
329048506
done50008506

prune304.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 3 expressions with local error:

0.2b
(* 9.0 (* z t))
0.3b
(fma a (* 27.0 b) (- (* x 2.0) (* y (* 9.0 (* z t)))))
5.1b
(* y (* 9.0 (* z t)))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
17×pow1 add-cbrt-cube add-exp-log
pow-prod-down prod-exp cbrt-unprod
associate-*l*
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u log1p-expm1-u add-log-exp
associate-*r* *-commutative
fma-udef
Counts
3 → 53
Calls
3 calls:
16.0ms
(* 9.0 (* z t))
0.0ms
(fma a (* 27.0 b) (- (* x 2.0) (* y (* 9.0 (* z t)))))
33.0ms
(* y (* 9.0 (* z t)))

series294.0ms

Counts
3 → 9
Calls
3 calls:
20.0ms
(* 9.0 (* z t))
243.0ms
(fma a (* 27.0 b) (- (* x 2.0) (* y (* 9.0 (* z t)))))
31.0ms
(* y (* 9.0 (* z t)))

simplify4.3s

Counts
62 → 62
Iterations

Useful iterations: 2 (256.0ms)

IterNodesCost
09212642
120611937
272211377
3312711377
done500911377

prune520.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.0b

localize83.0ms

Local error

Found 4 expressions with local error:

5.3b
(* (* y 9.0) (* z t))
10.1b
(cbrt (* (* y 9.0) (* z t)))
10.1b
(cbrt (* (* y 9.0) (* z t)))
10.1b
(cbrt (* (* y 9.0) (* z t)))

rewrite139.0ms

Algorithm
rewrite-expression-head
Rules
16×pow1 add-cbrt-cube add-exp-log
pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt expm1-log1p-u *-un-lft-identity add-cube-cbrt log1p-expm1-u add-log-exp
cbrt-prod pow1/3
associate-*r* associate-*l* *-commutative
Counts
4 → 57
Calls
4 calls:
40.0ms
(* (* y 9.0) (* z t))
33.0ms
(cbrt (* (* y 9.0) (* z t)))
32.0ms
(cbrt (* (* y 9.0) (* z t)))
31.0ms
(cbrt (* (* y 9.0) (* z t)))

series562.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(* (* y 9.0) (* z t))
162.0ms
(cbrt (* (* y 9.0) (* z t)))
204.0ms
(cbrt (* (* y 9.0) (* z t)))
164.0ms
(cbrt (* (* y 9.0) (* z t)))

simplify3.7s

Counts
69 → 69
Iterations

Useful iterations: done (3.7s)

IterNodesCost
09619150
123218377
274617287
3308216807
done500116267

prune604.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.0b

regimes2.7s

Accuracy

85.5% (0.5b remaining)

Error of 0.6b against oracle of 0.0b and baseline of 3.6b

bsearch2.0ms

simplify17.0ms

Iterations

Useful iterations: 0 (4.0ms)

IterNodesCost
028806
141806
done41806

end0.0ms

sample1.7s

Algorithm
intervals
Results
1.1s10939×body80valid