Details

Time bar (total: 11.3s)

sample69.0ms

Algorithm
intervals
Results
21.0ms290×body80valid
13.0ms41×body640valid
8.0ms18×body1280valid
4.0ms17×body320valid
1.0msbody160valid

simplify783.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01732
13416
27616
319616
449716
5140516
done500016

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 3.2b

localize18.0ms

Local error

Found 3 expressions with local error:

0.1b
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2)) R)
0.2b
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
3.4b
(cos (/ (+ phi1 phi2) 2.0))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
*-un-lft-identity
associate-*l*
pow1 add-exp-log add-cube-cbrt 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
flip3-- flip-- distribute-lft-out-- difference-of-squares
Counts
3 → 53
Calls
3 calls:
3.0ms
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2)) R)
11.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))

series610.0ms

Counts
3 → 9
Calls
3 calls:
487.0ms
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2)) R)
93.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
29.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify1.5s

Counts
62 → 62
Iterations

Useful iterations: 3 (360.0ms)

IterNodesCost
0125990
1279983
2913835
33895824
done5001824

prune261.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.1b

localize25.0ms

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))))
0.4b
(log1p (cos (/ (+ phi1 phi2) 2.0)))
3.4b
(cos (/ (+ phi1 phi2) 2.0))

rewrite20.0ms

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:
12.0ms
(* (- 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)))
6.0ms
(cos (/ (+ phi1 phi2) 2.0))

series282.0ms

Counts
4 → 12
Calls
4 calls:
124.0ms
(* (- lambda1 lambda2) (expm1 (log1p (cos (/ (+ phi1 phi2) 2.0)))))
54.0ms
(expm1 (log1p (cos (/ (+ phi1 phi2) 2.0))))
71.0ms
(log1p (cos (/ (+ phi1 phi2) 2.0)))
32.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify884.0ms

Counts
67 → 67
Iterations

Useful iterations: 3 (190.0ms)

IterNodesCost
098808
1194718
2515622
31870619
done5000619

prune283.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 3.1b

localize22.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- lambda1 lambda2) (cbrt (pow (cos (/ (+ phi1 phi2) 2.0)) 3)))
0.4b
(cbrt (pow (cos (/ (+ phi1 phi2) 2.0)) 3))
0.5b
(pow (cos (/ (+ phi1 phi2) 2.0)) 3)
3.4b
(cos (/ (+ phi1 phi2) 2.0))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
28×cbrt-prod
26×add-sqr-sqrt
17×*-un-lft-identity
15×add-cube-cbrt associate-*r*
10×unpow-prod-down cube-prod
pow1 add-exp-log
add-cbrt-cube
associate-*l* unswap-sqr
expm1-log1p-u log1p-expm1-u add-log-exp sqr-pow
cube-mult pow-unpow unpow3
associate-*l/
pow-to-exp flip3-- pow-pow pow1/3 pow-prod-down pow-exp prod-exp *-commutative flip-- rem-cbrt-cube cbrt-unprod distribute-lft-out-- rem-cube-cbrt difference-of-squares
Counts
4 → 97
Calls
4 calls:
16.0ms
(* (- lambda1 lambda2) (cbrt (pow (cos (/ (+ phi1 phi2) 2.0)) 3)))
1.0ms
(cbrt (pow (cos (/ (+ phi1 phi2) 2.0)) 3))
1.0ms
(pow (cos (/ (+ phi1 phi2) 2.0)) 3)
5.0ms
(cos (/ (+ phi1 phi2) 2.0))

series199.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(* (- lambda1 lambda2) (cbrt (pow (cos (/ (+ phi1 phi2) 2.0)) 3)))
27.0ms
(cbrt (pow (cos (/ (+ phi1 phi2) 2.0)) 3))
53.0ms
(pow (cos (/ (+ phi1 phi2) 2.0)) 3)
28.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify481.0ms

Counts
109 → 109
Iterations

Useful iterations: done (478.0ms)

IterNodesCost
01311572
12861275
210491143
done50001138

prune388.0ms

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 3.1b

localize29.0ms

Local error

Found 4 expressions with local error:

0.4b
(cbrt (expm1 (log1p (cos (/ (+ phi1 phi2) 2.0)))))
3.4b
(cos (/ (+ phi1 phi2) 2.0))
3.4b
(cos (/ (+ phi1 phi2) 2.0))
3.4b
(cos (/ (+ phi1 phi2) 2.0))

rewrite18.0ms

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)))))
6.0ms
(cos (/ (+ phi1 phi2) 2.0))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))
6.0ms
(cos (/ (+ phi1 phi2) 2.0))

series246.0ms

Counts
4 → 12
Calls
4 calls:
154.0ms
(cbrt (expm1 (log1p (cos (/ (+ phi1 phi2) 2.0)))))
33.0ms
(cos (/ (+ phi1 phi2) 2.0))
27.0ms
(cos (/ (+ phi1 phi2) 2.0))
32.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify2.4s

Counts
52 → 52
Iterations

Useful iterations: 4 (202.0ms)

IterNodesCost
052537
193494
2175444
3388437
41104433
53328433
done5001433

prune314.0ms

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 3.1b

regimes464.0ms

Accuracy

0% (0.2b remaining)

Error of 3.5b against oracle of 3.4b and baseline of 3.5b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01618
11918
done1918

end0.0ms

sample2.0s

Algorithm
intervals
Results
579.0ms8373×body80valid
386.0ms1233×body640valid
355.0ms784×body1280valid
156.0ms718×body320valid
55.0ms359×body160valid