Details

Time bar (total: 15.8s)

sample47.0ms

Algorithm
intervals
Results
26.0ms699×body80valid

simplify3.7s

Counts
1 → 1
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
01217
12616
25015
38615
415115
530315
693215
7396115
done500115

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize10.0ms

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)

rewrite91.0ms

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:
63.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
16.0ms
(* 4.0 (* b b))
10.0ms
(pow (+ (* a a) (* b b)) 2.0)

series206.0ms

Counts
3 → 9
Calls
3 calls:
68.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
31.0ms
(* 4.0 (* b b))
108.0ms
(pow (+ (* a a) (* b b)) 2.0)

simplify1.5s

Counts
69 → 69
Iterations

Useful iterations: 3 (537.0ms)

IterNodesCost
0107829
1254707
2740649
32396641
done5000641

prune183.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(* 4.0 (* b b))
0.2b
(fma (pow (+ (* a a) (* b b)) (/ 2.0 2)) (pow (+ (* a a) (* b b)) (/ 2.0 2)) (* 4.0 (* b b)))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt *-un-lft-identity associate-*l* pow-prod-down prod-exp cbrt-unprod
expm1-log1p-u log1p-expm1-u add-log-exp
associate-*r* *-commutative fma-udef unswap-sqr
Counts
2 → 31
Calls
2 calls:
16.0ms
(* 4.0 (* b b))
0.0ms
(fma (pow (+ (* a a) (* b b)) (/ 2.0 2)) (pow (+ (* a a) (* b b)) (/ 2.0 2)) (* 4.0 (* b b)))

series161.0ms

Counts
2 → 6
Calls
2 calls:
26.0ms
(* 4.0 (* b b))
135.0ms
(fma (pow (+ (* a a) (* b b)) (/ 2.0 2)) (pow (+ (* a a) (* b b)) (/ 2.0 2)) (* 4.0 (* b b)))

simplify2.6s

Counts
37 → 37
Iterations

Useful iterations: 4 (1.5s)

IterNodesCost
073620
1164481
2462409
31434388
44251366
done5000366

prune98.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma (* a a) 2 (* b b))
0.2b
(fma (* b b) (fma (* a a) 2 (* b b)) (pow a 4))

rewrite1.0ms

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:
0.0ms
(fma (* a a) 2 (* b b))
0.0ms
(fma (* b b) (fma (* a a) 2 (* b b)) (pow a 4))

series100.0ms

Counts
2 → 6
Calls
2 calls:
37.0ms
(fma (* a a) 2 (* b b))
62.0ms
(fma (* b b) (fma (* a a) 2 (* b b)) (pow a 4))

simplify1.7s

Counts
26 → 26
Iterations

Useful iterations: 2 (34.0ms)

IterNodesCost
040395
173392
2185340
3648340
43404340
done5000340

prune81.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma (* (pow a 2) (pow b 2)) 2.0 (pow b 4))
0.0b
(+ (fma (* (pow a 2) (pow b 2)) 2.0 (pow b 4)) (* 4.0 (* b b)))
0.0b
(* 4.0 (* b b))
1.4b
(* (pow a 2) (pow b 2))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
21×add-exp-log
17×unswap-sqr
14×unpow-prod-down
12×prod-exp
11×associate-*l* add-cbrt-cube
10×add-cube-cbrt *-un-lft-identity unpow2 sqr-pow
pow1 associate-*r*
pow-to-exp pow-exp add-log-exp
expm1-log1p-u pow-prod-down cbrt-unprod log1p-expm1-u
fma-def
*-commutative fma-udef
+-commutative associate-+l+ flip3-+ sum-log flip-+
Counts
4 → 101
Calls
4 calls:
0.0ms
(fma (* (pow a 2) (pow b 2)) 2.0 (pow b 4))
7.0ms
(+ (fma (* (pow a 2) (pow b 2)) 2.0 (pow b 4)) (* 4.0 (* b b)))
16.0ms
(* 4.0 (* b b))
21.0ms
(* (pow a 2) (pow b 2))

series215.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(fma (* (pow a 2) (pow b 2)) 2.0 (pow b 4))
69.0ms
(+ (fma (* (pow a 2) (pow b 2)) 2.0 (pow b 4)) (* 4.0 (* b b)))
30.0ms
(* 4.0 (* b b))
35.0ms
(* (pow a 2) (pow b 2))

simplify3.4s

Counts
113 → 113
Iterations

Useful iterations: 3 (1.5s)

IterNodesCost
01501431
13351291
210361062
348521001
done50001001

prune259.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes61.0ms

Accuracy

0% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01430
11630
done1630

end0.0ms

sample1.3s

Algorithm
intervals
Results
781.0ms20523×body80valid