Details

Time bar (total: 2.5s)

sample43.0ms

Algorithm
intervals
Results
27.0ms699×body80valid

simplify58.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0258
1418
2678
31198
43098
514858
650028

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 0.2b

Counts
2 → 1

localize10.0ms

Local error

Found 4 expressions with local error:

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

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
+-commutative flip3-+ associate-*r* *-commutative flip-+
pow-to-exp sqr-pow
Counts
4 → 11
Calls
4 calls:
7.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
4.0ms
(+ (* a a) (* b b))
3.0ms
(* 4.0 (* b b))
4.0ms
(pow (+ (* a a) (* b b)) 2.0)

series215.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
26.0ms
(+ (* a a) (* b b))
26.0ms
(* 4.0 (* b b))
100.0ms
(pow (+ (* a a) (* b b)) 2.0)

simplify77.0ms

Algorithm
egg-herbie
Counts
23 → 23
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
0173135
1695127
22430127
35001127

prune54.0ms

Filtered
23 candidates to 16 candidates (69.6%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New21223
Fresh000
Picked101
Done000
Total22224

Merged error: 0.0b

Counts
24 → 2

localize13.0ms

Local error

Found 2 expressions with local error:

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

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
14×associate-*r*
12×unpow2 sqr-pow
unswap-sqr
associate-*l*
*-commutative
pow-to-exp
pow-prod-down prod-exp
Counts
2 → 22
Calls
2 calls:
9.0ms
(* 2 (* (pow a 2) (pow b 2)))
8.0ms
(* (pow a 2) (pow b 2))

series71.0ms

Counts
2 → 6
Calls
2 calls:
34.0ms
(* 2 (* (pow a 2) (pow b 2)))
37.0ms
(* (pow a 2) (pow b 2))

simplify35.0ms

Algorithm
egg-herbie
Counts
28 → 28
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
07762
118162
282062
3500162

prune64.0ms

Filtered
28 candidates to 19 candidates (67.9%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New28028
Fresh011
Picked011
Done000
Total28230

Merged error: 0.0b

Counts
30 → 2

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 2.0 (* (pow a 2) (pow b 2)))
0.0b
(+ (+ (pow b 4) (* 2.0 (* (pow a 2) (pow b 2)))) (* 4.0 (* b b)))
0.0b
(* 4.0 (* b b))
1.8b
(* (pow a 2) (pow b 2))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
16×associate-*r*
12×unpow2 sqr-pow
unswap-sqr
*-commutative
associate-*l*
+-commutative pow-to-exp associate-+l+
flip3-+ pow-prod-down prod-exp flip-+
Counts
4 → 30
Calls
4 calls:
5.0ms
(* 2.0 (* (pow a 2) (pow b 2)))
10.0ms
(+ (+ (pow b 4) (* 2.0 (* (pow a 2) (pow b 2)))) (* 4.0 (* b b)))
3.0ms
(* 4.0 (* b b))
4.0ms
(* (pow a 2) (pow b 2))

series150.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(* 2.0 (* (pow a 2) (pow b 2)))
57.0ms
(+ (+ (pow b 4) (* 2.0 (* (pow a 2) (pow b 2)))) (* 4.0 (* b b)))
26.0ms
(* 4.0 (* b b))
31.0ms
(* (pow a 2) (pow b 2))

simplify135.0ms

Algorithm
egg-herbie
Counts
42 → 42
Iterations

Useful iterations: 2 (19.0ms)

IterNodesCost
0153173
1527167
22803151
35001151

prune85.0ms

Filtered
42 candidates to 27 candidates (64.3%)
Pruning

2 alts after pruning (0 fresh and 2 done)

PrunedKeptTotal
New42042
Fresh000
Picked011
Done011
Total42244

Merged error: 0.0b

Counts
44 → 2

regimes35.0ms

Accuracy

93.7% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 1.0b

bsearch108.0ms

Steps
ItersRangePoint
8
5.206592823702773e-46
6.8203431504564e-43
1.2385758517046966e-45
10
-0.0011167250079306748
-1.2209559826642226e-16
-0.000107404362338187

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03919
13919

end0.0ms

sample1.3s

Algorithm
intervals
Results
874.0ms20696×body80valid