Details

Time bar (total: 3.2s)

sample357.0ms

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 69.726563%

Guaranteed chance to sample good point: 93.175403%

Results
20.0ms256×body80valid
0.0msbody80invalid

simplify95.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
05315
116115
245915
3132315
4299215
5500115

prune3.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 0.2b

Counts
2 → 1

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a))))))
0.1b
(* (* a a) (+ 1.0 a))
0.3b
(* (* b b) (- 1.0 (* 3.0 a)))
0.3b
(pow (+ (* a a) (* b b)) 2.0)

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
15×pow1 add-exp-log
14×add-cbrt-cube
10×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
associate-*r*
pow-prod-down prod-exp cbrt-unprod add-log-exp
distribute-rgt-in distribute-lft-in associate-*r/
unpow-prod-down pow-unpow
sub-neg associate-+r+ flip3-+ associate-*l* *-commutative flip-+ unswap-sqr
+-commutative pow-to-exp flip3-- pow-pow pow-exp sum-log flip-- distribute-lft-out sqr-pow
Counts
4 → 79
Calls
4 calls:
7.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a))))))
7.0ms
(* (* a a) (+ 1.0 a))
7.0ms
(* (* b b) (- 1.0 (* 3.0 a)))
4.0ms
(pow (+ (* a a) (* b b)) 2.0)

series59.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a))))))
5.0ms
(* (* a a) (+ 1.0 a))
9.0ms
(* (* b b) (- 1.0 (* 3.0 a)))
21.0ms
(pow (+ (* a a) (* b b)) 2.0)

simplify70.0ms

Algorithm
egg-herbie
Counts
91 → 91
Iterations

Useful iterations: 2 (61.0ms)

IterNodesCost
0547721
12714641
25001637

prune156.0ms

Filtered
61 candidates to 91 candidates (-49.2%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New85691
Fresh000
Picked101
Done000
Total86692

Merged error: 0.0b

Counts
92 → 6

localize20.0ms

Local error

Found 4 expressions with local error:

0.3b
(pow (+ (* a a) (* b b)) 2.0)
0.3b
(pow (+ (* a a) (* b b)) 2.0)
9.5b
(sqrt (+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a)))))))
9.5b
(sqrt (+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a)))))))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
10×add-cube-cbrt *-un-lft-identity
pow1
add-exp-log unpow-prod-down pow-unpow sqrt-prod
sqrt-div add-cbrt-cube add-log-exp
pow-to-exp rem-sqrt-square pow-pow sqrt-pow1 flip3-+ pow1/2 pow-exp flip-+ sqr-pow
Counts
4 → 64
Calls
4 calls:
5.0ms
(pow (+ (* a a) (* b b)) 2.0)
4.0ms
(pow (+ (* a a) (* b b)) 2.0)
6.0ms
(sqrt (+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a)))))))
7.0ms
(sqrt (+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a)))))))

series103.0ms

Counts
4 → 12
Calls
4 calls:
21.0ms
(pow (+ (* a a) (* b b)) 2.0)
22.0ms
(pow (+ (* a a) (* b b)) 2.0)
30.0ms
(sqrt (+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a)))))))
30.0ms
(sqrt (+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a)))))))

simplify41.0ms

Algorithm
egg-herbie
Counts
76 → 76
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0290994
11071958
25001942

prune220.0ms

Filtered
58 candidates to 76 candidates (-31.0%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New76076
Fresh055
Picked011
Done000
Total76682

Merged error: 0.0b

Counts
82 → 6

localize22.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt (+ (* a a) (* b b))) (cbrt (+ (* a a) (* b b))))
10.1b
(cbrt (+ (* a a) (* b b)))
10.1b
(cbrt (+ (* a a) (* b b)))
10.1b
(cbrt (+ (* a a) (* b b)))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
18×cbrt-div
15×add-cube-cbrt *-un-lft-identity
11×pow1
flip3-+ pow1/3 flip-+
add-exp-log swap-sqr associate-*r* associate-*l*
frac-times add-cbrt-cube add-log-exp unswap-sqr
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 87
Calls
4 calls:
10.0ms
(* (cbrt (+ (* a a) (* b b))) (cbrt (+ (* a a) (* b b))))
3.0ms
(cbrt (+ (* a a) (* b b)))
3.0ms
(cbrt (+ (* a a) (* b b)))
3.0ms
(cbrt (+ (* a a) (* b b)))

series82.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(* (cbrt (+ (* a a) (* b b))) (cbrt (+ (* a a) (* b b))))
20.0ms
(cbrt (+ (* a a) (* b b)))
20.0ms
(cbrt (+ (* a a) (* b b)))
21.0ms
(cbrt (+ (* a a) (* b b)))

simplify121.0ms

Algorithm
egg-herbie
Counts
99 → 99
Iterations

Useful iterations: 3 (108.0ms)

IterNodesCost
02641051
1906986
23837912
35002878

prune184.0ms

Filtered
75 candidates to 99 candidates (-32.0%)
Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New99099
Fresh044
Picked011
Done011
Total996105

Merged error: 0.0b

Counts
105 → 6

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (+ (pow a 4) (+ (pow b 4) (* 2 (* (pow a 2) (pow b 2))))) 1.0)
0.0b
(+ (pow b 4) (* 2 (* (pow a 2) (pow b 2))))
1.9b
(* (pow a 2) (pow b 2))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
16×unswap-sqr
15×add-exp-log
14×unpow-prod-down add-log-exp
12×*-un-lft-identity
10×unpow2 sqr-pow
prod-exp
associate-*r* associate-*l*
add-cube-cbrt
pow-to-exp pow-exp
add-cbrt-cube
sum-log
pow1 diff-log
distribute-lft-out--
+-commutative sub-neg flip3-- flip3-+ pow-prod-down associate--l+ *-commutative flip-- cbrt-unprod flip-+ distribute-lft-out difference-of-squares
Counts
3 → 80
Calls
3 calls:
13.0ms
(- (+ (pow a 4) (+ (pow b 4) (* 2 (* (pow a 2) (pow b 2))))) 1.0)
4.0ms
(+ (pow b 4) (* 2 (* (pow a 2) (pow b 2))))
7.0ms
(* (pow a 2) (pow b 2))

series27.0ms

Counts
3 → 9
Calls
3 calls:
12.0ms
(- (+ (pow a 4) (+ (pow b 4) (* 2 (* (pow a 2) (pow b 2))))) 1.0)
9.0ms
(+ (pow b 4) (* 2 (* (pow a 2) (pow b 2))))
6.0ms
(* (pow a 2) (pow b 2))

simplify48.0ms

Algorithm
egg-herbie
Counts
89 → 89
Iterations

Useful iterations: 2 (39.0ms)

IterNodesCost
0334638
11402555
25001542

prune134.0ms

Filtered
50 candidates to 89 candidates (-78.0%)
Pruning

6 alts after pruning (3 fresh and 3 done)

PrunedKeptTotal
New89089
Fresh033
Picked011
Done022
Total89695

Merged error: 0.0b

Counts
95 → 6

regimes211.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02932
12932

end0.0ms

sample1.1s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 69.726563%

Guaranteed chance to sample good point: 93.175403%

Results
528.0ms8000×body80valid
16.0ms236×body80invalid

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