Details

Time bar (total: 34.5s)

sample234.0ms

Algorithm
intervals
Results
93.0ms271×body80valid
48.0ms32×body1280valid
36.0ms33×body640valid
18.0ms21×body320valid
5.0ms11×body160valid

simplify3.6s

Counts
1 → 1
Iterations
IterNodes
done5004
52141
4757
3225
266
132
017

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.6b

localize40.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))))
2.7b
(cos (/ (+ phi1 phi2) 2))
2.7b
(cos (/ (+ phi1 phi2) 2))
37.2b
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite225.0ms

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-cbrt-cube add-exp-log
prod-exp cbrt-unprod
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow-sqr pow-prod-up insert-posit16 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 → 139
Calls
4 calls:
77.0ms
(* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))))
7.0ms
(cos (/ (+ phi1 phi2) 2))
9.0ms
(cos (/ (+ phi1 phi2) 2))
128.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))

series895.0ms

Counts
4 → 12
Calls
4 calls:
165.0ms
(* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))))
39.0ms
(cos (/ (+ phi1 phi2) 2))
41.0ms
(cos (/ (+ phi1 phi2) 2))
650.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))

simplify1.8s

Counts
151 → 151
Iterations
IterNodes
done5000
11357
0460

prune954.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 26.0b

localize72.0ms

Local error

Found 4 expressions with local error:

2.7b
(cos (/ (+ phi1 phi2) 2))
2.7b
(cos (/ (+ phi1 phi2) 2))
2.7b
(cos (/ (+ phi1 phi2) 2))
37.2b
(sqrt (+ (* (* (- lambda1 lambda2) (cbrt (* (* (cos (/ (+ phi1 phi2) 2)) (cos (/ (+ phi1 phi2) 2))) (cos (/ (+ phi1 phi2) 2))))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite163.0ms

Algorithm
rewrite-expression-head
Rules
290×associate-*l/
198×flip3-- flip--
196×frac-times
138×sqrt-div
136×frac-add
74×associate-*r/
72×cbrt-div cos-mult
add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt
add-cbrt-cube add-exp-log insert-posit16 add-log-exp
sqrt-prod
rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 flip-+
Counts
4 → 176
Calls
4 calls:
9.0ms
(cos (/ (+ phi1 phi2) 2))
7.0ms
(cos (/ (+ phi1 phi2) 2))
11.0ms
(cos (/ (+ phi1 phi2) 2))
125.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cbrt (* (* (cos (/ (+ phi1 phi2) 2)) (cos (/ (+ phi1 phi2) 2))) (cos (/ (+ phi1 phi2) 2))))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))

series738.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(cos (/ (+ phi1 phi2) 2))
39.0ms
(cos (/ (+ phi1 phi2) 2))
40.0ms
(cos (/ (+ phi1 phi2) 2))
629.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cbrt (* (* (cos (/ (+ phi1 phi2) 2)) (cos (/ (+ phi1 phi2) 2))) (cos (/ (+ phi1 phi2) 2))))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))

simplify3.4s

Counts
188 → 188
Iterations
IterNodes
done5000
12494
0831

prune1.9s

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 24.1b

localize69.0ms

Local error

Found 4 expressions with local error:

2.7b
(cos (/ (+ phi1 phi2) 2))
2.7b
(cos (/ (+ phi1 phi2) 2))
37.2b
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))
37.2b
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite216.0ms

Algorithm
rewrite-expression-head
Rules
256×associate-*l/
192×flip3-- flip--
132×sqrt-div
128×frac-times frac-add
64×associate-*r/
add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt sqrt-prod
add-cbrt-cube add-exp-log insert-posit16 add-log-exp
rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 flip-+
Counts
4 → 176
Calls
4 calls:
9.0ms
(cos (/ (+ phi1 phi2) 2))
7.0ms
(cos (/ (+ phi1 phi2) 2))
96.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))
96.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))

series1.3s

Counts
4 → 12
Calls
4 calls:
36.0ms
(cos (/ (+ phi1 phi2) 2))
25.0ms
(cos (/ (+ phi1 phi2) 2))
602.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))
640.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))

simplify2.1s

Counts
188 → 188
Iterations
IterNodes
done5000
11245
0421

prune1.5s

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 24.1b

localize102.0ms

Local error

Found 4 expressions with local error:

2.7b
(cos (* 1/2 (+ phi1 phi2)))
2.7b
(cos (* 1/2 (+ phi1 phi2)))
2.7b
(cos (* 1/2 (+ phi1 phi2)))
37.2b
(sqrt (+ (- (* (* (cos (* 1/2 (+ phi1 phi2))) (cos (* 1/2 (+ phi1 phi2)))) (+ (* lambda2 lambda2) (* lambda1 lambda1))) (* 2 (* (* lambda1 lambda2) (* (cos (* 1/2 (+ phi1 phi2))) (cos (* 1/2 (+ phi1 phi2))))))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite370.0ms

Algorithm
rewrite-expression-head
Rules
128×associate-*r/
80×cos-mult
66×sqrt-div
64×frac-add
56×flip3-- flip--
48×frac-times
40×frac-sub
32×associate-*l/
17×flip3-+ flip-+
sub-div
add-sqr-sqrt cos-sum
pow1 *-un-lft-identity add-cube-cbrt
add-cbrt-cube add-exp-log insert-posit16 add-log-exp
distribute-rgt-in distribute-lft-in sqrt-prod
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 110
Calls
4 calls:
8.0ms
(cos (* 1/2 (+ phi1 phi2)))
9.0ms
(cos (* 1/2 (+ phi1 phi2)))
12.0ms
(cos (* 1/2 (+ phi1 phi2)))
336.0ms
(sqrt (+ (- (* (* (cos (* 1/2 (+ phi1 phi2))) (cos (* 1/2 (+ phi1 phi2)))) (+ (* lambda2 lambda2) (* lambda1 lambda1))) (* 2 (* (* lambda1 lambda2) (* (cos (* 1/2 (+ phi1 phi2))) (cos (* 1/2 (+ phi1 phi2))))))) (* (- phi1 phi2) (- phi1 phi2))))

series953.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(cos (* 1/2 (+ phi1 phi2)))
23.0ms
(cos (* 1/2 (+ phi1 phi2)))
26.0ms
(cos (* 1/2 (+ phi1 phi2)))
878.0ms
(sqrt (+ (- (* (* (cos (* 1/2 (+ phi1 phi2))) (cos (* 1/2 (+ phi1 phi2)))) (+ (* lambda2 lambda2) (* lambda1 lambda1))) (* 2 (* (* lambda1 lambda2) (* (cos (* 1/2 (+ phi1 phi2))) (cos (* 1/2 (+ phi1 phi2))))))) (* (- phi1 phi2) (- phi1 phi2))))

simplify3.5s

Counts
122 → 122
Iterations
IterNodes
done5004
11474
0515

prune1.2s

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 19.0b

regimes1.4s

Accuracy

42.5% (10.6b remaining)

Error of 29.6b against oracle of 19.0b and baseline of 37.4b

bsearch4.0ms

simplify8.0ms

Iterations
IterNodes
done37
137
028

end0.0ms

sample7.8s

Algorithm
intervals
Results
3.0s8378×body80valid
2.0s1236×body640valid
1.3s844×body1280valid
660.0ms722×body320valid
210.0ms356×body160valid