Details

Time bar (total: 10.1s)

sample256.0ms

Algorithm
intervals
Results
175.0ms156×body1280valid
52.0ms73×body640valid
5.0msbody2560valid
5.0ms13×body320valid
2.0msbody160valid
1.0msbody80valid

simplify8.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02712
13912
24412
34512
44512

prune4.0ms

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: 15.1b

Counts
2 → 1

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin phi1) (sin phi2))
0.3b
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
1.1b
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
2.4b
(cos (- lambda1 lambda2))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
cos-sum *-commutative
acos-asin cos-diff sub-neg sin-mult
Counts
4 → 7
Calls
4 calls:
3.0ms
(* (sin phi1) (sin phi2))
2.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
2.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
3.0ms
(cos (- lambda1 lambda2))

series120.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(* (sin phi1) (sin phi2))
42.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
14.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
16.0ms
(cos (- lambda1 lambda2))

simplify271.0ms

Algorithm
egg-herbie
Counts
19 → 19
Iterations

Useful iterations: 3 (10.0ms)

IterNodesCost
086122
1133122
2260121
3684120
44497120
55001120

prune51.0ms

Filtered
19 candidates to 9 candidates (47.4%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New17219
Fresh000
Picked101
Done000
Total18220

Merged error: 3.1b

Counts
20 → 2

localize30.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin phi1) (sin phi2))
0.2b
(* (sin lambda1) (sin lambda2))
0.2b
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))))) R)
1.1b
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2))))))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
*-commutative
sin-mult
acos-asin
Counts
4 → 6
Calls
4 calls:
3.0ms
(* (sin phi1) (sin phi2))
3.0ms
(* (sin lambda1) (sin lambda2))
2.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))))) R)
2.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2))))))

series174.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(* (sin phi1) (sin phi2))
46.0ms
(* (sin lambda1) (sin lambda2))
70.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))))) R)
17.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2))))))

simplify22.0ms

Algorithm
egg-herbie
Counts
18 → 18
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0103164
1215164
2443164
3500164
4506164
5506164

prune56.0ms

Filtered
18 candidates to 9 candidates (50.0%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New17118
Fresh101
Picked011
Done000
Total18220

Merged error: 3.0b

Counts
20 → 2

localize33.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin lambda1) (sin lambda2))
0.2b
(* (- (/ PI 2) (asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2))))))) R)
0.4b
(asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2))))))
0.9b
(- (/ PI 2) (asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))))))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
asin-acos flip3-- associate-*l/ *-commutative flip--
sub-neg fma-neg div-inv sin-mult associate--r-
Counts
4 → 12
Calls
4 calls:
6.0ms
(* (sin lambda1) (sin lambda2))
4.0ms
(* (- (/ PI 2) (asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2))))))) R)
2.0ms
(asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2))))))
4.0ms
(- (/ PI 2) (asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))))))

series277.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(* (sin lambda1) (sin lambda2))
163.0ms
(* (- (/ PI 2) (asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2))))))) R)
16.0ms
(asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2))))))
52.0ms
(- (/ PI 2) (asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))))))

simplify109.0ms

Algorithm
egg-herbie
Counts
24 → 24
Iterations

Useful iterations: 5 (103.0ms)

IterNodesCost
0152448
1344435
2807429
31443426
43657424
55001412

prune133.0ms

Filtered
24 candidates to 14 candidates (58.3%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New18624
Fresh000
Picked101
Done011
Total19726

Merged error: 2.8b

Counts
26 → 7

localize39.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin lambda1) (sin lambda2))
0.3b
(* R (asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))))))
0.4b
(asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2))))))
2.8b
(fma PI (* 1/2 R) (- (* R (asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))))))))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
*-commutative
asin-acos fma-udef sin-mult
Counts
4 → 5
Calls
4 calls:
3.0ms
(* (sin lambda1) (sin lambda2))
3.0ms
(* R (asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))))))
2.0ms
(asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2))))))
1.0ms
(fma PI (* 1/2 R) (- (* R (asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))))))))

series188.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(* (sin lambda1) (sin lambda2))
41.0ms
(* R (asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))))))
16.0ms
(asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2))))))
85.0ms
(fma PI (* 1/2 R) (- (* R (asin (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))))))))

simplify101.0ms

Algorithm
egg-herbie
Counts
17 → 17
Iterations

Useful iterations: 3 (14.0ms)

IterNodesCost
0116224
1272224
2619224
3858223
41280223
52203223
62431223
72657223
83002223
95002223

prune53.0ms

Filtered
17 candidates to 8 candidates (47.1%)
Pruning

9 alts after pruning (7 fresh and 2 done)

PrunedKeptTotal
New15217
Fresh055
Picked011
Done011
Total15924

Merged error: 2.8b

Counts
24 → 9

regimes366.0ms

Accuracy

0% (0.4b remaining)

Error of 3.6b against oracle of 3.2b and baseline of 3.6b

bsearch0.0ms

simplify4.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03017
13017

end0.0ms

sample7.8s

Algorithm
intervals
Results
5.7s4826×body1280valid
1.4s2044×body640valid
284.0ms682×body320valid
81.0ms288×body160valid
34.0msbody2560valid
23.0ms153×body80valid