Details

Time bar (total: 25.1s)

sample92.0ms

Algorithm
intervals
Results
62.0ms709×body80valid

simplify5.6s

Counts
1 → 1
Iterations

Useful iterations: 2 (18.0ms)

IterNodesCost
01217
12616
25015
38615
415115
530315
693215
7396115
done500115

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
0.0b
(* 4.0 (* b b))
0.3b
(pow (+ (* a a) (* b b)) 2.0)

rewrite141.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt
add-cube-cbrt *-un-lft-identity add-cbrt-cube
fma-def
unpow-prod-down
add-log-exp
expm1-log1p-u pow-unpow associate-*l* pow-prod-down prod-exp cbrt-unprod log1p-expm1-u
sqr-pow
+-commutative pow-to-exp pow-pow flip3-+ associate-*r* pow-exp sum-log *-commutative flip-+ unswap-sqr
Counts
3 → 60
Calls
3 calls:
81.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
42.0ms
(* 4.0 (* b b))
16.0ms
(pow (+ (* a a) (* b b)) 2.0)

series276.0ms

Counts
3 → 9
Calls
3 calls:
93.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
26.0ms
(* 4.0 (* b b))
157.0ms
(pow (+ (* a a) (* b b)) 2.0)

simplify2.5s

Counts
69 → 69
Iterations

Useful iterations: 3 (930.0ms)

IterNodesCost
0107829
1254707
2740649
32396641
done5000641

prune310.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize24.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma (* a a) 2 (* b b))
0.1b
(fma (* b b) (fma (* a a) 2 (* b b)) (pow a 4))

rewrite2.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube fma-udef log1p-expm1-u add-log-exp
Counts
2 → 20
Calls
2 calls:
1.0ms
(fma (* a a) 2 (* b b))
1.0ms
(fma (* b b) (fma (* a a) 2 (* b b)) (pow a 4))

series154.0ms

Counts
2 → 6
Calls
2 calls:
67.0ms
(fma (* a a) 2 (* b b))
87.0ms
(fma (* b b) (fma (* a a) 2 (* b b)) (pow a 4))

simplify2.9s

Counts
26 → 26
Iterations

Useful iterations: 2 (66.0ms)

IterNodesCost
040395
173392
2185340
3648340
43404340
done5000340

prune142.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize31.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma 2 (* (pow a 2) (pow b 2)) (pow b 4))
1.8b
(* (pow a 2) (pow b 2))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
16×unswap-sqr
14×add-exp-log unpow-prod-down
10×unpow2 sqr-pow
prod-exp
associate-*r* associate-*l*
pow-to-exp add-cube-cbrt *-un-lft-identity pow-exp
add-cbrt-cube
pow1 expm1-log1p-u log1p-expm1-u add-log-exp
pow-prod-down *-commutative cbrt-unprod fma-udef
Counts
2 → 63
Calls
2 calls:
1.0ms
(fma 2 (* (pow a 2) (pow b 2)) (pow b 4))
36.0ms
(* (pow a 2) (pow b 2))

series173.0ms

Counts
2 → 6
Calls
2 calls:
131.0ms
(fma 2 (* (pow a 2) (pow b 2)) (pow b 4))
43.0ms
(* (pow a 2) (pow b 2))

simplify3.1s

Counts
69 → 69
Iterations

Useful iterations: done (3.1s)

IterNodesCost
093810
1190730
2516568
32234560
done5000543

prune273.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize43.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 4.0 (* b b))
0.1b
(pow (pow (fma a a (pow b 2)) 2.0) 3)
0.3b
(pow (fma a a (pow b 2)) 2.0)
27.2b
(cbrt (pow (pow (fma a a (pow b 2)) 2.0) 3))

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
29×unpow-prod-down
20×cbrt-prod
18×add-sqr-sqrt
17×add-cube-cbrt *-un-lft-identity
14×cube-prod
12×add-exp-log
10×pow1 add-cbrt-cube
sqr-pow
pow-unpow
pow-exp
expm1-log1p-u log1p-expm1-u add-log-exp
pow-to-exp associate-*l* pow-prod-down prod-exp cbrt-unprod
cube-mult pow-pow unpow3
pow1/3 associate-*r* *-commutative rem-cbrt-cube rem-cube-cbrt unswap-sqr
Counts
4 → 106
Calls
4 calls:
36.0ms
(* 4.0 (* b b))
11.0ms
(pow (pow (fma a a (pow b 2)) 2.0) 3)
5.0ms
(pow (fma a a (pow b 2)) 2.0)
9.0ms
(cbrt (pow (pow (fma a a (pow b 2)) 2.0) 3))

series620.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(* 4.0 (* b b))
171.0ms
(pow (pow (fma a a (pow b 2)) 2.0) 3)
159.0ms
(pow (fma a a (pow b 2)) 2.0)
254.0ms
(cbrt (pow (pow (fma a a (pow b 2)) 2.0) 3))

simplify5.1s

Counts
118 → 118
Iterations

Useful iterations: 3 (2.0s)

IterNodesCost
01561729
13491395
29191326
349211309
done50001309

prune409.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes77.0ms

Accuracy

51% (0.5b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 1.1b

bsearch2.0ms

simplify8.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
03067
13750
done3750

end0.0ms

sample2.9s

Algorithm
intervals
Results
2.3s20340×body80valid