Details

Time bar (total: 28.3s)

sample233.0ms

Algorithm
intervals
Results
97.0ms261×body80valid
49.0ms43×body640valid
37.0ms26×body1280valid
15.0ms19×body320valid
6.0ms13×body160valid

simplify4.1s

Counts
1 → 1
Iterations
IterNodes
65440
51878
4761
3231
272
134
017

prune23.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 3.5b

localize32.0ms

Local error

Found 4 expressions with local error:

0.0b
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))
0.1b
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2)) R)
0.2b
(* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2)))
2.0b
(cos (/ (+ phi2 phi1) 2))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
10×*-un-lft-identity
pow1 add-cbrt-cube associate-*l* add-exp-log add-cube-cbrt
associate-*r*
expm1-log1p-u log1p-expm1-u add-log-exp
pow-prod-down associate-*l/ prod-exp *-commutative cbrt-unprod unswap-sqr
hypot-udef flip3-- flip-- distribute-lft-out-- difference-of-squares
Counts
4 → 63
Calls
4 calls:
0.0ms
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))
5.0ms
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2)) R)
16.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2)))
6.0ms
(cos (/ (+ phi2 phi1) 2))

series1.3s

Counts
4 → 12
Calls
4 calls:
512.0ms
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))
621.0ms
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2)) R)
158.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2)))
45.0ms
(cos (/ (+ phi2 phi1) 2))

simplify1.4s

Counts
75 → 75
Iterations
IterNodes
33962
21082
1355
0140

prune1.2s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 3.4b

localize65.0ms

Local error

Found 4 expressions with local error:

0.4b
(cbrt (* (* (cos (/ (+ phi2 phi1) 2)) (cos (/ (+ phi2 phi1) 2))) (cos (/ (+ phi2 phi1) 2))))
2.0b
(cos (/ (+ phi2 phi1) 2))
2.0b
(cos (/ (+ phi2 phi1) 2))
2.0b
(cos (/ (+ phi2 phi1) 2))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt log1p-expm1-u add-log-exp
cbrt-prod cbrt-div pow1/3 pow3 associate-*l/ cos-mult rem-cbrt-cube
Counts
4 → 40
Calls
4 calls:
19.0ms
(cbrt (* (* (cos (/ (+ phi2 phi1) 2)) (cos (/ (+ phi2 phi1) 2))) (cos (/ (+ phi2 phi1) 2))))
15.0ms
(cos (/ (+ phi2 phi1) 2))
14.0ms
(cos (/ (+ phi2 phi1) 2))
14.0ms
(cos (/ (+ phi2 phi1) 2))

series148.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(cbrt (* (* (cos (/ (+ phi2 phi1) 2)) (cos (/ (+ phi2 phi1) 2))) (cos (/ (+ phi2 phi1) 2))))
36.0ms
(cos (/ (+ phi2 phi1) 2))
25.0ms
(cos (/ (+ phi2 phi1) 2))
46.0ms
(cos (/ (+ phi2 phi1) 2))

simplify4.5s

Counts
52 → 52
Iterations
IterNodes
83145
71396
6874
5656
4441
3226
2118
175
047

prune881.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 3.4b

localize82.0ms

Local error

Found 4 expressions with local error:

0.5b
(log (exp (cos (/ (+ phi2 phi1) 2))))
2.0b
(cos (/ (+ phi2 phi1) 2))
2.0b
(cos (/ (+ phi2 phi1) 2))
2.0b
(cos (/ (+ phi2 phi1) 2))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
pow1
expm1-log1p-u add-cbrt-cube add-exp-log log-pow log1p-expm1-u add-log-exp
log-prod exp-prod
rem-log-exp
Counts
4 → 44
Calls
4 calls:
18.0ms
(log (exp (cos (/ (+ phi2 phi1) 2))))
7.0ms
(cos (/ (+ phi2 phi1) 2))
6.0ms
(cos (/ (+ phi2 phi1) 2))
9.0ms
(cos (/ (+ phi2 phi1) 2))

series115.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(log (exp (cos (/ (+ phi2 phi1) 2))))
26.0ms
(cos (/ (+ phi2 phi1) 2))
28.0ms
(cos (/ (+ phi2 phi1) 2))
24.0ms
(cos (/ (+ phi2 phi1) 2))

simplify1.7s

Counts
56 → 56
Iterations
IterNodes
82201
71092
6664
5474
4336
3190
2115
183
051

prune1.2s

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 3.4b

localize89.0ms

Local error

Found 4 expressions with local error:

1.0b
(cbrt 2)
2.0b
(cos (* 1/2 (+ phi1 phi2)))
2.0b
(cos (* 1/2 (+ phi1 phi2)))
2.1b
(cos (+ phi1 phi2))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt cos-sum *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
cbrt-prod
distribute-rgt-in distribute-lft-in
pow1/3
Counts
4 → 45
Calls
4 calls:
1.0ms
(cbrt 2)
7.0ms
(cos (* 1/2 (+ phi1 phi2)))
7.0ms
(cos (* 1/2 (+ phi1 phi2)))
6.0ms
(cos (+ phi1 phi2))

series108.0ms

Counts
4 → 10
Calls
4 calls:
0.0ms
(cbrt 2)
39.0ms
(cos (* 1/2 (+ phi1 phi2)))
39.0ms
(cos (* 1/2 (+ phi1 phi2)))
29.0ms
(cos (+ phi1 phi2))

simplify2.4s

Counts
55 → 55
Iterations
IterNodes
82350
71581
61127
5866
4605
3330
2191
1130
085

prune1.0s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.3b

regimes719.0ms

Accuracy

0% (0.3b remaining)

Error of 3.9b against oracle of 3.6b and baseline of 3.9b

bsearch0.0ms

simplify4.0ms

Iterations
IterNodes
224
124
019

end0.0ms

sample6.9s

Algorithm
intervals
Results
2.5s8323×body80valid
1.5s1255×body640valid
1.2s804×body1280valid
1.1s751×body320valid
217.0ms348×body160valid