Details

Time bar (total: 18.0s)

sample146.0ms

Algorithm
intervals
Results
51.0ms52×body640valid
30.0ms257×body80valid
20.0ms26×body1280valid
10.0ms29×body320valid
2.0ms10×body160valid

simplify1.3s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01732
13232
26932
324032
496032
done500032

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.1b

localize32.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
1.7b
(cos (/ (+ phi1 phi2) 2.0))
1.7b
(cos (/ (+ phi1 phi2) 2.0))
36.5b
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite208.0ms

Algorithm
rewrite-expression-head
Rules
130×associate-*l/
97×flip3-- flip--
66×sqrt-div
64×frac-times frac-add
32×associate-*r/
12×add-sqr-sqrt
*-un-lft-identity
pow1 add-cube-cbrt
add-exp-log add-cbrt-cube
associate-*l*
add-log-exp
associate-*r* sqrt-prod
rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 115
Calls
4 calls:
39.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
21.0ms
(cos (/ (+ phi1 phi2) 2.0))
13.0ms
(cos (/ (+ phi1 phi2) 2.0))
124.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

series773.0ms

Counts
4 → 12
Calls
4 calls:
122.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
28.0ms
(cos (/ (+ phi1 phi2) 2.0))
30.0ms
(cos (/ (+ phi1 phi2) 2.0))
593.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

simplify613.0ms

Counts
127 → 127
Iterations

Useful iterations: done (597.0ms)

IterNodesCost
04417086
113016625
done50006422

prune740.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 25.5b

localize50.0ms

Local error

Found 4 expressions with local error:

0.5b
(pow (cos (/ (+ phi1 phi2) 2.0)) 3)
1.7b
(cos (/ (+ phi1 phi2) 2.0))
1.7b
(cos (/ (+ phi1 phi2) 2.0))
36.5b
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cbrt (pow (cos (/ (+ phi1 phi2) 2.0)) 3)))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite278.0ms

Algorithm
rewrite-expression-head
Rules
128×associate-*l/
96×flip3-- flip--
66×sqrt-div
64×frac-times frac-add
32×associate-*r/
add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
pow1
add-exp-log add-cbrt-cube
add-log-exp
unpow-prod-down pow-unpow cube-prod sqrt-prod
cube-mult pow-to-exp rem-sqrt-square pow-pow sqrt-pow1 flip3-+ pow1/2 unpow3 pow-exp flip-+ rem-cube-cbrt sqr-pow
Counts
4 → 116
Calls
4 calls:
7.0ms
(pow (cos (/ (+ phi1 phi2) 2.0)) 3)
23.0ms
(cos (/ (+ phi1 phi2) 2.0))
23.0ms
(cos (/ (+ phi1 phi2) 2.0))
199.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cbrt (pow (cos (/ (+ phi1 phi2) 2.0)) 3)))) (* (- phi1 phi2) (- phi1 phi2))))

series815.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(pow (cos (/ (+ phi1 phi2) 2.0)) 3)
33.0ms
(cos (/ (+ phi1 phi2) 2.0))
31.0ms
(cos (/ (+ phi1 phi2) 2.0))
682.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cbrt (pow (cos (/ (+ phi1 phi2) 2.0)) 3)))) (* (- phi1 phi2) (- phi1 phi2))))

simplify843.0ms

Counts
128 → 128
Iterations

Useful iterations: done (830.0ms)

IterNodesCost
04497330
114216543
done50026371

prune808.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 25.5b

localize57.0ms

Local error

Found 4 expressions with local error:

1.7b
(cos (/ (+ phi1 phi2) 2.0))
1.7b
(cos (/ (+ phi1 phi2) 2.0))
1.7b
(cos (/ (+ phi1 phi2) 2.0))
36.5b
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (* (- lambda1 lambda2) (* (cbrt (cos (/ (+ phi1 phi2) 2.0))) (cbrt (cos (/ (+ phi1 phi2) 2.0))))) (cbrt (cos (/ (+ phi1 phi2) 2.0))))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite719.0ms

Algorithm
rewrite-expression-head
Rules
176×associate-*l/
96×flip3-- flip--
66×sqrt-div
64×frac-times frac-add
32×associate-*r/
add-sqr-sqrt
pow1 add-cube-cbrt *-un-lft-identity
add-exp-log add-cbrt-cube add-log-exp
sqrt-prod
rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 flip-+
Counts
4 → 100
Calls
4 calls:
20.0ms
(cos (/ (+ phi1 phi2) 2.0))
14.0ms
(cos (/ (+ phi1 phi2) 2.0))
12.0ms
(cos (/ (+ phi1 phi2) 2.0))
648.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (* (- lambda1 lambda2) (* (cbrt (cos (/ (+ phi1 phi2) 2.0))) (cbrt (cos (/ (+ phi1 phi2) 2.0))))) (cbrt (cos (/ (+ phi1 phi2) 2.0))))) (* (- phi1 phi2) (- phi1 phi2))))

series737.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(cos (/ (+ phi1 phi2) 2.0))
38.0ms
(cos (/ (+ phi1 phi2) 2.0))
31.0ms
(cos (/ (+ phi1 phi2) 2.0))
638.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (* (- lambda1 lambda2) (* (cbrt (cos (/ (+ phi1 phi2) 2.0))) (cbrt (cos (/ (+ phi1 phi2) 2.0))))) (cbrt (cos (/ (+ phi1 phi2) 2.0))))) (* (- phi1 phi2) (- phi1 phi2))))

simplify1.1s

Counts
112 → 112
Iterations

Useful iterations: done (1.1s)

IterNodesCost
04238318
112707826
done50017681

prune885.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 25.5b

localize5.0ms

Local error

Found 1 expressions with local error:

0.0b
(* R (- phi2 phi1))

rewrite38.0ms

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:
37.0ms
(* R (- phi2 phi1))

series66.0ms

Counts
1 → 3
Calls
1 calls:
66.0ms
(* R (- phi2 phi1))

simplify1.2s

Counts
29 → 29
Iterations

Useful iterations: 3 (432.0ms)

IterNodesCost
052217
1125206
2384188
31725186
done5002186

prune65.0ms

Pruning

14 alts after pruning (10 fresh and 4 done)

Merged error: 25.5b

regimes916.0ms

Accuracy

72.2% (3.8b remaining)

Error of 28.9b against oracle of 25.1b and baseline of 38.9b

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02269
12769
done2769

end0.0ms

sample5.6s

Algorithm
intervals
Results
1.5s800×body1280valid
1.5s8249×body80valid
1.3s1306×body640valid
358.0ms726×body320valid
94.0ms334×body160valid