Details

Time bar (total: 20.6s)

sample44.0ms

Algorithm
intervals
Results
20.0ms472×body80valid

simplify3.5s

Counts
1 → 1
Iterations

Useful iterations: 4 (92.0ms)

IterNodesCost
01113
12113
25213
317113
434612
558612
669812
780512
8104212
9122512
10122812
done122812

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.1b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* z z) t)
4.8b
(* (* y 4.0) (- (* z z) t))

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
prod-diff
add-sqr-sqrt
pow1 add-exp-log add-cbrt-cube
add-cube-cbrt *-un-lft-identity
distribute-rgt-in distribute-lft-in
associate-*r* add-log-exp
sub-neg pow-prod-down prod-exp cbrt-unprod
expm1-log1p-u flip3-- associate-*r/ flip-- log1p-expm1-u difference-of-squares
fma-neg diff-log associate-*l* *-commutative
Counts
2 → 52
Calls
2 calls:
10.0ms
(- (* z z) t)
60.0ms
(* (* y 4.0) (- (* z z) t))

series112.0ms

Counts
2 → 6
Calls
2 calls:
33.0ms
(- (* z z) t)
79.0ms
(* (* y 4.0) (- (* z z) t))

simplify3.8s

Counts
58 → 58
Iterations

Useful iterations: done (3.8s)

IterNodesCost
0108760
1276662
2912553
33654544
done5000502

prune182.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.0b

localize12.0ms

Local error

Found 1 expressions with local error:

4.8b
(* (* y 4.0) (fma z z (- t)))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
associate-*r* pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity fma-udef
distribute-rgt-in expm1-log1p-u distribute-lft-in associate-*l* *-commutative log1p-expm1-u add-log-exp
Counts
1 → 22
Calls
1 calls:
33.0ms
(* (* y 4.0) (fma z z (- t)))

series84.0ms

Counts
1 → 3
Calls
1 calls:
84.0ms
(* (* y 4.0) (fma z z (- t)))

simplify2.4s

Counts
25 → 25
Iterations

Useful iterations: 2 (122.0ms)

IterNodesCost
056311
1142302
2545244
32249244
done5002244

prune102.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 2.0b

localize43.0ms

Local error

Found 4 expressions with local error:

3.4b
(cbrt (* (* y 4.0) (fma z z (- t))))
4.8b
(* (* y 4.0) (fma z z (- t)))
4.8b
(* (* y 4.0) (fma z z (- t)))
4.8b
(* (* y 4.0) (fma z z (- t)))

rewrite101.0ms

Algorithm
rewrite-expression-head
Rules
19×pow1 add-exp-log add-cbrt-cube
associate-*r* pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
fma-udef
expm1-log1p-u log1p-expm1-u add-log-exp
distribute-rgt-in distribute-lft-in associate-*l* *-commutative
cbrt-prod pow1/3
Counts
4 → 77
Calls
4 calls:
20.0ms
(cbrt (* (* y 4.0) (fma z z (- t))))
26.0ms
(* (* y 4.0) (fma z z (- t)))
21.0ms
(* (* y 4.0) (fma z z (- t)))
30.0ms
(* (* y 4.0) (fma z z (- t)))

series585.0ms

Counts
4 → 12
Calls
4 calls:
251.0ms
(cbrt (* (* y 4.0) (fma z z (- t))))
102.0ms
(* (* y 4.0) (fma z z (- t)))
118.0ms
(* (* y 4.0) (fma z z (- t)))
114.0ms
(* (* y 4.0) (fma z z (- t)))

simplify2.7s

Counts
89 → 89
Iterations

Useful iterations: done (2.7s)

IterNodesCost
0961123
12301092
2734898
32721891
done5001884

prune425.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 2.0b

localize55.0ms

Local error

Found 4 expressions with local error:

4.8b
(* (* y 4.0) (fma z z (- t)))
5.4b
(cbrt (fma z z (- t)))
5.4b
(cbrt (fma z z (- t)))
5.4b
(cbrt (fma z z (- t)))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log cbrt-prod add-cbrt-cube
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u log1p-expm1-u add-log-exp
pow1/3 associate-*r* pow-prod-down prod-exp cbrt-unprod
fma-udef
distribute-rgt-in distribute-lft-in associate-*l* *-commutative
Counts
4 → 61
Calls
4 calls:
19.0ms
(* (* y 4.0) (fma z z (- t)))
1.0ms
(cbrt (fma z z (- t)))
1.0ms
(cbrt (fma z z (- t)))
1.0ms
(cbrt (fma z z (- t)))

series542.0ms

Counts
4 → 12
Calls
4 calls:
102.0ms
(* (* y 4.0) (fma z z (- t)))
165.0ms
(cbrt (fma z z (- t)))
135.0ms
(cbrt (fma z z (- t)))
139.0ms
(cbrt (fma z z (- t)))

simplify2.2s

Counts
73 → 73
Iterations

Useful iterations: done (2.2s)

IterNodesCost
086797
1200785
2670691
32484670
done5000655

prune461.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 2.0b

regimes364.0ms

Accuracy

85.7% (0.5b remaining)

Error of 3.0b against oracle of 2.5b and baseline of 6.0b

bsearch229.0ms

Steps
ItersRangePoint
10
3.029225315373134e+150
5.4068805428593804e+166
1.343821229368199e+154
9
-4.846140813705079e+155
-5.517584414886129e+147
-1.3396835717420102e+154

simplify8.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
02355
13139
done3139

end0.0ms

sample2.5s

Algorithm
intervals
Results
1.6s15777×body80valid