Details

Time bar (total: 17.9s)

sample5.4s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0%

Guaranteed chance to sample good point: 43.652344%

Results
24.0ms195×body80valid
13.0ms29×body640valid
9.0ms90×body80invalid
8.0ms12×body1280invalid
7.0ms11×body1280valid
6.0ms12×body640invalid
4.0ms11×body320valid
2.0ms10×body160valid
2.0msbody320invalid
0.0msbody160invalid

simplify51.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03217
17117
224117
374717
4219617
5500117

prune5.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 39.4b

Counts
2 → 1

localize16.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))))
4.0b
(cos (/ (+ phi1 phi2) 2.0))
4.0b
(cos (/ (+ phi1 phi2) 2.0))
36.3b
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
142×associate-*l/
102×flip3-- flip--
68×frac-times
66×sqrt-div
64×frac-add
44×pow1
34×associate-*r/
17×pow-prod-down
16×add-exp-log add-cbrt-cube
prod-exp cbrt-unprod
add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
pow-sqr pow-prod-up add-log-exp
sqrt-prod
pow-plus
pow2 rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 swap-sqr associate-*r* associate-*l* *-commutative flip-+
Counts
4 → 135
Calls
4 calls:
12.0ms
(* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))))
4.0ms
(cos (/ (+ phi1 phi2) 2.0))
4.0ms
(cos (/ (+ phi1 phi2) 2.0))
17.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

series175.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))
134.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

simplify61.0ms

Algorithm
egg-herbie
Counts
147 → 147
Iterations

Useful iterations: 1 (28.0ms)

IterNodesCost
013733924
150013756

prune244.0ms

Filtered
77 candidates to 147 candidates (-90.9%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New1425147
Fresh000
Picked011
Done000
Total1426148

Merged error: 26.2b

Counts
148 → 6

localize20.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* (- lambda1 lambda2) (- lambda1 lambda2)) (* (cos (/ (+ phi1 phi2) 2.0)) (cos (/ (+ phi1 phi2) 2.0))))
4.0b
(cos (/ (+ phi1 phi2) 2.0))
4.0b
(cos (/ (+ phi1 phi2) 2.0))
36.3b
(sqrt (+ (* (* (- lambda1 lambda2) (- lambda1 lambda2)) (* (cos (/ (+ phi1 phi2) 2.0)) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
212×frac-times
210×flip3-- flip--
142×associate-*l/
138×sqrt-div
136×frac-add
81×cos-mult
79×associate-*r/
33×pow1
16×add-exp-log add-cbrt-cube
14×pow-prod-down
prod-exp cbrt-unprod
add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
pow-plus pow-prod-up add-log-exp
sqrt-prod
pow2 sqr-cos pow-sqr
distribute-rgt-in rem-sqrt-square distribute-lft-in sqrt-pow1 flip3-+ pow1/2 associate-*r* associate-*l* *-commutative flip-+ unswap-sqr
Counts
4 → 213
Calls
4 calls:
15.0ms
(* (* (- lambda1 lambda2) (- lambda1 lambda2)) (* (cos (/ (+ phi1 phi2) 2.0)) (cos (/ (+ phi1 phi2) 2.0))))
4.0ms
(cos (/ (+ phi1 phi2) 2.0))
4.0ms
(cos (/ (+ phi1 phi2) 2.0))
23.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (- lambda1 lambda2)) (* (cos (/ (+ phi1 phi2) 2.0)) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

series173.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(* (* (- lambda1 lambda2) (- lambda1 lambda2)) (* (cos (/ (+ phi1 phi2) 2.0)) (cos (/ (+ phi1 phi2) 2.0))))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))
132.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (- lambda1 lambda2)) (* (cos (/ (+ phi1 phi2) 2.0)) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

simplify109.0ms

Algorithm
egg-herbie
Counts
225 → 225
Iterations

Useful iterations: 1 (41.0ms)

IterNodesCost
025537988
150027819

prune354.0ms

Filtered
114 candidates to 225 candidates (-97.4%)
Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New2241225
Fresh134
Picked011
Done011
Total2256231

Merged error: 26.2b

Counts
231 → 6

localize21.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* (- lambda1 lambda2) (- lambda1 lambda2)) (+ (cos (+ (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0))) (cos (- (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0)))))
0.6b
(+ (cos (+ (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0))) (cos (- (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0))))
3.8b
(cos (+ (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0)))
36.3b
(sqrt (+ (/ (* (* (- lambda1 lambda2) (- lambda1 lambda2)) (+ (cos (+ (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0))) (cos (- (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0))))) 2) (* (- phi1 phi2) (- phi1 phi2))))

rewrite96.0ms

Algorithm
rewrite-expression-head
Rules
32×frac-times
24×flip3-- flip--
16×associate-*l/
11×flip3-+ flip-+
10×pow1 *-un-lft-identity sqrt-div associate-*r/
add-exp-log add-cbrt-cube
add-sqr-sqrt frac-add
add-cube-cbrt add-log-exp
associate-*r*
cos-sum
pow-prod-down prod-exp sqrt-prod cbrt-unprod
associate-+l- associate-+r- sum-cos count-2 cos-2 distribute-lft-out
+-commutative distribute-rgt-in cos-diff sub-neg rem-sqrt-square associate-+r+ distribute-lft-in sqrt-pow1 pow1/2 associate-*l* sum-log *-commutative unswap-sqr
Counts
4 → 99
Calls
4 calls:
14.0ms
(* (* (- lambda1 lambda2) (- lambda1 lambda2)) (+ (cos (+ (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0))) (cos (- (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0)))))
44.0ms
(+ (cos (+ (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0))) (cos (- (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0))))
21.0ms
(cos (+ (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0)))
13.0ms
(sqrt (+ (/ (* (* (- lambda1 lambda2) (- lambda1 lambda2)) (+ (cos (+ (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0))) (cos (- (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0))))) 2) (* (- phi1 phi2) (- phi1 phi2))))

series565.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(* (* (- lambda1 lambda2) (- lambda1 lambda2)) (+ (cos (+ (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0))) (cos (- (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0)))))
8.0ms
(+ (cos (+ (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0))) (cos (- (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0))))
6.0ms
(cos (+ (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0)))
518.0ms
(sqrt (+ (/ (* (* (- lambda1 lambda2) (- lambda1 lambda2)) (+ (cos (+ (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0))) (cos (- (/ (+ phi1 phi2) 2.0) (/ (+ phi1 phi2) 2.0))))) 2) (* (- phi1 phi2) (- phi1 phi2))))

simplify116.0ms

Algorithm
egg-herbie
Counts
111 → 111
Iterations

Useful iterations: 2 (88.0ms)

IterNodesCost
09993121
143372817
250012763

prune301.0ms

Filtered
81 candidates to 111 candidates (-37.0%)
Pruning

8 alts after pruning (5 fresh and 3 done)

PrunedKeptTotal
New1092111
Fresh033
Picked011
Done022
Total1098117

Merged error: 26.2b

Counts
117 → 8

localize4.0ms

Local error

Found 1 expressions with local error:

0.0b
(* R (- phi2 phi1))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
*-un-lft-identity associate-*r*
pow1 add-exp-log add-cube-cbrt associate-*l* add-cbrt-cube
distribute-rgt-in sub-neg distribute-lft-in associate-*r/
flip3-- pow-prod-down prod-exp *-commutative flip-- cbrt-unprod distribute-lft-out-- add-log-exp difference-of-squares unswap-sqr
Counts
1 → 26
Calls
1 calls:
6.0ms
(* R (- phi2 phi1))

series7.0ms

Counts
1 → 3
Calls
1 calls:
7.0ms
(* R (- phi2 phi1))

simplify45.0ms

Algorithm
egg-herbie
Counts
29 → 29
Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
011298
146288
2188388
3500288

prune28.0ms

Filtered
17 candidates to 29 candidates (-70.6%)
Pruning

16 alts after pruning (13 fresh and 3 done)

PrunedKeptTotal
New20929
Fresh044
Picked101
Done033
Total211637

Merged error: 26.2b

Counts
37 → 16

regimes1.4s

Accuracy

74.4% (3.6b remaining)

Error of 28.7b against oracle of 25.2b and baseline of 39.0b

bsearch1.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03955
14355
24455
34455

end0.0ms

sample8.5s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0%

Guaranteed chance to sample good point: 43.652344%

Results
620.0ms5938×body80valid
394.0ms813×body640valid
344.0ms484×body1280valid
257.0ms2529×body80invalid
225.0ms464×body640invalid
217.0ms319×body1280invalid
170.0ms499×body320valid
77.0ms241×body320invalid
63.0ms266×body160valid
22.0ms99×body160invalid

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