Details

Time bar (total: 5.6s)

sample81.0ms

Algorithm
intervals
Results
20.0ms268×body80valid
18.0ms39×body1280valid
13.0ms42×body640valid
6.0ms26×body320valid
2.0ms13×body160valid

simplify60.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0348
1788
22618
38348
426008
550018

prune12.0ms

Filtered
1 candidates to 1 candidates (100.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New011
Fresh101
Picked000
Done000
Total112

Merged error: 4.6b

Counts
2 → 1

localize13.0ms

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)))
3.1b
(cos (/ (+ phi1 phi2) 2.0))

rewrite17.0ms

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))
3.0ms
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2)) R)
7.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))

series911.0ms

Counts
4 → 12
Calls
4 calls:
357.0ms
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))
441.0ms
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2)) R)
87.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
26.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify42.0ms

Algorithm
egg-herbie
Counts
75 → 75
Iterations

Useful iterations: 2 (31.0ms)

IterNodesCost
0328677
11130579
25001569

prune255.0ms

Filtered
75 candidates to 62 candidates (82.7%)
Pruning

14 alts after pruning (14 fresh and 0 done)

PrunedKeptTotal
New611475
Fresh000
Picked101
Done000
Total621476

Merged error: 4.4b

Counts
76 → 14

localize17.0ms

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)))
3.1b
(cos (/ (+ phi1 phi2) 2.0))

rewrite14.0ms

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:
6.0ms
(* (- lambda1 lambda2) (expm1 (log1p (cos (/ (+ phi1 phi2) 2.0)))))
1.0ms
(expm1 (log1p (cos (/ (+ phi1 phi2) 2.0))))
1.0ms
(log1p (cos (/ (+ phi1 phi2) 2.0)))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))

series246.0ms

Counts
4 → 12
Calls
4 calls:
111.0ms
(* (- lambda1 lambda2) (expm1 (log1p (cos (/ (+ phi1 phi2) 2.0)))))
54.0ms
(expm1 (log1p (cos (/ (+ phi1 phi2) 2.0))))
52.0ms
(log1p (cos (/ (+ phi1 phi2) 2.0)))
29.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify58.0ms

Algorithm
egg-herbie
Counts
67 → 67
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
0191432
1547363
22476363
35001363

prune226.0ms

Filtered
67 candidates to 53 candidates (79.1%)
Pruning

14 alts after pruning (13 fresh and 1 done)

PrunedKeptTotal
New67067
Fresh01313
Picked011
Done000
Total671481

Merged error: 4.4b

Counts
81 → 14

localize17.0ms

Local error

Found 4 expressions with local error:

0.1b
(exp (cos (/ (+ phi1 phi2) 2.0)))
0.2b
(* (- lambda1 lambda2) (log (exp (cos (/ (+ phi1 phi2) 2.0)))))
0.5b
(log (exp (cos (/ (+ phi1 phi2) 2.0))))
3.1b
(cos (/ (+ phi1 phi2) 2.0))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
14×*-un-lft-identity
12×add-cube-cbrt
log-prod exp-prod
pow1 log-pow
associate-*r*
add-exp-log add-cbrt-cube
associate-*l* add-log-exp
expm1-log1p-u log1p-expm1-u
distribute-rgt-in distribute-lft-in
associate-*l/
flip3-- rem-log-exp pow-prod-down prod-exp *-commutative flip-- cbrt-unprod rem-exp-log distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 73
Calls
4 calls:
5.0ms
(exp (cos (/ (+ phi1 phi2) 2.0)))
12.0ms
(* (- lambda1 lambda2) (log (exp (cos (/ (+ phi1 phi2) 2.0)))))
6.0ms
(log (exp (cos (/ (+ phi1 phi2) 2.0))))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))

series190.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(exp (cos (/ (+ phi1 phi2) 2.0)))
86.0ms
(* (- lambda1 lambda2) (log (exp (cos (/ (+ phi1 phi2) 2.0)))))
26.0ms
(log (exp (cos (/ (+ phi1 phi2) 2.0))))
30.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify68.0ms

Algorithm
egg-herbie
Counts
85 → 85
Iterations

Useful iterations: 2 (21.0ms)

IterNodesCost
0224596
1703507
23169501
35002501

prune270.0ms

Filtered
85 candidates to 65 candidates (76.5%)
Pruning

13 alts after pruning (12 fresh and 1 done)

PrunedKeptTotal
New84185
Fresh11112
Picked101
Done011
Total861399

Merged error: 4.4b

Counts
99 → 13

localize20.0ms

Local error

Found 4 expressions with local error:

0.1b
(pow E (cos (/ (+ phi1 phi2) 2.0)))
0.2b
(* (- lambda1 lambda2) (log (pow E (cos (/ (+ phi1 phi2) 2.0)))))
0.5b
(log (pow E (cos (/ (+ phi1 phi2) 2.0))))
3.1b
(cos (/ (+ phi1 phi2) 2.0))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
21×log-prod
18×add-sqr-sqrt
16×*-un-lft-identity
14×add-cube-cbrt
12×unpow-prod-down
add-exp-log
pow1 distribute-rgt-in distribute-lft-in
add-cbrt-cube
associate-*l*
expm1-log1p-u rem-log-exp associate-*r* pow-exp log1p-expm1-u add-log-exp sqr-pow
pow-unpow
pow-to-exp e-exp-1 associate-*l/ log-pow
flip3-- pow-pow pow-prod-down prod-exp *-commutative flip-- cbrt-unprod distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 89
Calls
4 calls:
6.0ms
(pow E (cos (/ (+ phi1 phi2) 2.0)))
12.0ms
(* (- lambda1 lambda2) (log (pow E (cos (/ (+ phi1 phi2) 2.0)))))
6.0ms
(log (pow E (cos (/ (+ phi1 phi2) 2.0))))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))

series274.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(pow E (cos (/ (+ phi1 phi2) 2.0)))
116.0ms
(* (- lambda1 lambda2) (log (pow E (cos (/ (+ phi1 phi2) 2.0)))))
62.0ms
(log (pow E (cos (/ (+ phi1 phi2) 2.0))))
30.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify43.0ms

Algorithm
egg-herbie
Counts
101 → 101
Iterations

Useful iterations: 2 (34.0ms)

IterNodesCost
0275777
11058671
25002647

prune268.0ms

Filtered
101 candidates to 70 candidates (69.3%)
Pruning

13 alts after pruning (11 fresh and 2 done)

PrunedKeptTotal
New1010101
Fresh01111
Picked011
Done011
Total10113114

Merged error: 4.4b

Counts
114 → 13

regimes354.0ms

Accuracy

0% (0.2b remaining)

Error of 4.0b against oracle of 3.8b and baseline of 4.0b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01910
11910

end0.0ms

sample2.1s

Algorithm
intervals
Results
642.0ms8329×body80valid
436.0ms1292×body640valid
363.0ms791×body1280valid
187.0ms788×body320valid
59.0ms363×body160valid