Details

Time bar (total: 27.3s)

sample170.0ms

Algorithm
intervals
Results
43.0ms274×body80valid
30.0ms29×body1280valid
28.0ms40×body640valid
20.0ms23×body320valid
6.0ms18×body160valid

simplify4.6s

Counts
1 → 1
Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
01732
13416
27616
325716
482616
5235516
done500016

prune15.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 3.8b

localize41.0ms

Local error

Found 4 expressions with local error:

0.0b
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))
0.1b
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2)) R)
0.2b
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
3.2b
(cos (/ (+ phi1 phi2) 2.0))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
10×*-un-lft-identity
pow1 add-exp-log add-cube-cbrt associate-*l* add-cbrt-cube
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:
1.0ms
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))
14.0ms
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2)) R)
46.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
22.0ms
(cos (/ (+ phi1 phi2) 2.0))

series1.5s

Counts
4 → 12
Calls
4 calls:
577.0ms
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))
791.0ms
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2)) R)
125.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
46.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify2.6s

Counts
75 → 75
Iterations

Useful iterations: done (2.6s)

IterNodesCost
01391279
13271271
29601077
331941060
done50001059

prune403.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.5b

localize29.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- lambda1 lambda2) (expm1 (log1p (cos (/ (+ phi1 phi2) 2.0)))))
0.2b
(expm1 (log1p (cos (/ (+ phi1 phi2) 2.0))))
0.3b
(log1p (cos (/ (+ phi1 phi2) 2.0)))
3.2b
(cos (/ (+ phi1 phi2) 2.0))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
*-un-lft-identity
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
expm1-log1p-u associate-*l*
log1p-expm1-u add-log-exp
associate-*r*
associate-*l/
log1p-udef expm1-log1p flip3-- log1p-expm1 pow-prod-down prod-exp *-commutative flip-- cbrt-unprod distribute-lft-out-- expm1-udef difference-of-squares unswap-sqr
Counts
4 → 55
Calls
4 calls:
24.0ms
(* (- lambda1 lambda2) (expm1 (log1p (cos (/ (+ phi1 phi2) 2.0)))))
0.0ms
(expm1 (log1p (cos (/ (+ phi1 phi2) 2.0))))
0.0ms
(log1p (cos (/ (+ phi1 phi2) 2.0)))
11.0ms
(cos (/ (+ phi1 phi2) 2.0))

series314.0ms

Counts
4 → 12
Calls
4 calls:
160.0ms
(* (- lambda1 lambda2) (expm1 (log1p (cos (/ (+ phi1 phi2) 2.0)))))
61.0ms
(expm1 (log1p (cos (/ (+ phi1 phi2) 2.0))))
59.0ms
(log1p (cos (/ (+ phi1 phi2) 2.0)))
35.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify3.8s

Counts
67 → 67
Iterations

Useful iterations: 4 (2.5s)

IterNodesCost
098808
1191718
2473622
31375619
44671616
done5000616

prune391.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 3.5b

localize47.0ms

Local error

Found 4 expressions with local error:

0.4b
(cbrt (expm1 (log1p (cos (/ (+ phi1 phi2) 2.0)))))
3.2b
(cos (/ (+ phi1 phi2) 2.0))
3.2b
(cos (/ (+ phi1 phi2) 2.0))
3.2b
(cos (/ (+ phi1 phi2) 2.0))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-prod
pow1/3
Counts
4 → 40
Calls
4 calls:
1.0ms
(cbrt (expm1 (log1p (cos (/ (+ phi1 phi2) 2.0)))))
11.0ms
(cos (/ (+ phi1 phi2) 2.0))
12.0ms
(cos (/ (+ phi1 phi2) 2.0))
22.0ms
(cos (/ (+ phi1 phi2) 2.0))

series326.0ms

Counts
4 → 12
Calls
4 calls:
216.0ms
(cbrt (expm1 (log1p (cos (/ (+ phi1 phi2) 2.0)))))
31.0ms
(cos (/ (+ phi1 phi2) 2.0))
37.0ms
(cos (/ (+ phi1 phi2) 2.0))
42.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify2.7s

Counts
52 → 52
Iterations

Useful iterations: done (2.7s)

IterNodesCost
052537
193494
2159444
3296437
4611433
51007433
62023433
done5000409

prune426.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 3.5b

localize42.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
0.5b
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))) (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))))
3.2b
(cos (/ (+ phi1 phi2) 2.0))
3.2b
(cos (/ (+ phi1 phi2) 2.0))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
30×add-sqr-sqrt
21×pow1
18×sqrt-prod
16×*-un-lft-identity
14×add-cube-cbrt
11×associate-*l*
associate-*r*
add-exp-log sqrt-pow1 pow1/2 swap-sqr add-cbrt-cube
pow-prod-up unswap-sqr
expm1-log1p-u pow-prod-down log1p-expm1-u add-log-exp
pow-sqr
associate-*l/ prod-exp *-commutative cbrt-unprod
pow2 flip3-- pow-plus sqrt-unprod rem-square-sqrt flip-- distribute-lft-out-- difference-of-squares
Counts
4 → 93
Calls
4 calls:
36.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
13.0ms
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))) (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))))
11.0ms
(cos (/ (+ phi1 phi2) 2.0))
11.0ms
(cos (/ (+ phi1 phi2) 2.0))

series861.0ms

Counts
4 → 12
Calls
4 calls:
138.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
647.0ms
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))) (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))))
46.0ms
(cos (/ (+ phi1 phi2) 2.0))
30.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify2.0s

Counts
105 → 105
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01312511
12701753
27311513
322131424
done50021381

prune495.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 3.5b

regimes599.0ms

Accuracy

0% (0.2b remaining)

Error of 3.8b against oracle of 3.6b and baseline of 3.8b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01618
11918
done1918

end0.0ms

sample5.8s

Algorithm
intervals
Results
1.8s790×body1280valid
1.5s8362×body80valid
1.0s1335×body640valid
353.0ms743×body320valid
143.0ms333×body160valid