Details

Time bar (total: 33.7s)

sample224.0ms

Algorithm
intervals
Results
63.0ms271×body80valid
44.0ms32×body1280valid
32.0ms33×body640valid
15.0ms21×body320valid
13.0ms11×body160valid

simplify3.1s

Counts
1 → 1
Iterations
IterNodes
done5014
52701
4858
3238
269
132
017

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.6b

localize34.0ms

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))))

rewrite233.0ms

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:
90.0ms
(* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))))
7.0ms
(cos (/ (+ phi1 phi2) 2))
13.0ms
(cos (/ (+ phi1 phi2) 2))
115.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))

series709.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))))
33.0ms
(cos (/ (+ phi1 phi2) 2))
26.0ms
(cos (/ (+ phi1 phi2) 2))
546.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))

simplify1.8s

Counts
151 → 151
Iterations
IterNodes
done5001
11357
0460

prune1.0s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 26.5b

localize53.0ms

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) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cbrt (* (* (cos (/ (+ phi1 phi2) 2)) (cos (/ (+ phi1 phi2) 2))) (cos (/ (+ phi1 phi2) 2)))))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite198.0ms

Algorithm
rewrite-expression-head
Rules
266×associate-*l/
198×flip3-- flip--
196×frac-times
138×sqrt-div
136×frac-add
98×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:
7.0ms
(cos (/ (+ phi1 phi2) 2))
8.0ms
(cos (/ (+ phi1 phi2) 2))
8.0ms
(cos (/ (+ phi1 phi2) 2))
167.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cbrt (* (* (cos (/ (+ phi1 phi2) 2)) (cos (/ (+ phi1 phi2) 2))) (cos (/ (+ phi1 phi2) 2)))))) (* (- phi1 phi2) (- phi1 phi2))))

series627.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(cos (/ (+ phi1 phi2) 2))
31.0ms
(cos (/ (+ phi1 phi2) 2))
38.0ms
(cos (/ (+ phi1 phi2) 2))
534.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cbrt (* (* (cos (/ (+ phi1 phi2) 2)) (cos (/ (+ phi1 phi2) 2))) (cos (/ (+ phi1 phi2) 2)))))) (* (- phi1 phi2) (- phi1 phi2))))

simplify3.5s

Counts
188 → 188
Iterations
IterNodes
done5002
12341
0789

prune1.8s

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 25.8b

localize62.0ms

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))))

rewrite190.0ms

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:
7.0ms
(cos (/ (+ phi1 phi2) 2))
8.0ms
(cos (/ (+ phi1 phi2) 2))
76.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))
92.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))

series1.2s

Counts
4 → 12
Calls
4 calls:
22.0ms
(cos (/ (+ phi1 phi2) 2))
37.0ms
(cos (/ (+ phi1 phi2) 2))
616.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2)))) (* (- phi1 phi2) (- phi1 phi2))))
522.0ms
(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

12 alts after pruning (10 fresh and 2 done)

Merged error: 25.8b

localize79.0ms

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) (* (* (cos (* 1/2 (+ phi1 phi2))) (cos (* 1/2 (+ phi1 phi2)))) lambda2))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite386.0ms

Algorithm
rewrite-expression-head
Rules
80×associate-*l/ associate-*r/ cos-mult
66×sqrt-div
64×frac-add
56×flip3-- flip--
48×frac-times
40×frac-sub
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:
17.0ms
(cos (* 1/2 (+ phi1 phi2)))
11.0ms
(cos (* 1/2 (+ phi1 phi2)))
9.0ms
(cos (* 1/2 (+ phi1 phi2)))
343.0ms
(sqrt (+ (- (* (* (cos (* 1/2 (+ phi1 phi2))) (cos (* 1/2 (+ phi1 phi2)))) (+ (* lambda2 lambda2) (* lambda1 lambda1))) (* (* 2 lambda1) (* (* (cos (* 1/2 (+ phi1 phi2))) (cos (* 1/2 (+ phi1 phi2)))) lambda2))) (* (- phi1 phi2) (- phi1 phi2))))

series1.1s

Counts
4 → 12
Calls
4 calls:
41.0ms
(cos (* 1/2 (+ phi1 phi2)))
40.0ms
(cos (* 1/2 (+ phi1 phi2)))
41.0ms
(cos (* 1/2 (+ phi1 phi2)))
976.0ms
(sqrt (+ (- (* (* (cos (* 1/2 (+ phi1 phi2))) (cos (* 1/2 (+ phi1 phi2)))) (+ (* lambda2 lambda2) (* lambda1 lambda1))) (* (* 2 lambda1) (* (* (cos (* 1/2 (+ phi1 phi2))) (cos (* 1/2 (+ phi1 phi2)))) lambda2))) (* (- phi1 phi2) (- phi1 phi2))))

simplify3.6s

Counts
122 → 122
Iterations
IterNodes
done5013
11475
0515

prune1.3s

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 20.4b

regimes1.5s

Accuracy

43.7% (10.1b remaining)

Error of 29.6b against oracle of 19.5b and baseline of 37.4b

bsearch3.0ms

simplify9.0ms

Iterations
IterNodes
done37
137
028

end0.0ms

sample7.4s

Algorithm
intervals
Results
2.8s8378×body80valid
1.8s844×body1280valid
1.5s1236×body640valid
573.0ms722×body320valid
189.0ms356×body160valid