Details

Time bar (total: 8.4s)

sample67.0ms

Algorithm
intervals
Results
15.0ms51×body640valid
15.0ms240×body80valid
10.0ms26×body1280valid
4.0ms20×body320valid
2.0ms17×body160valid

simplify54.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03217
17117
224117
374717
4219617
5500117

prune4.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 42.7b

Counts
2 → 1

localize17.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))))
2.5b
(cos (/ (+ phi1 phi2) 2.0))
2.5b
(cos (/ (+ phi1 phi2) 2.0))
39.4b
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
142×associate-*l/
102×flip3-- flip--
68×frac-times
66×sqrt-div
64×frac-add
44×pow1
34×associate-*r/
17×pow-prod-down
16×add-exp-log add-cbrt-cube
prod-exp cbrt-unprod
add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
pow-sqr pow-prod-up add-log-exp
sqrt-prod
pow-plus
pow2 rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 swap-sqr associate-*r* associate-*l* *-commutative flip-+
Counts
4 → 135
Calls
4 calls:
13.0ms
(* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))
22.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

series553.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))))
26.0ms
(cos (/ (+ phi1 phi2) 2.0))
30.0ms
(cos (/ (+ phi1 phi2) 2.0))
404.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

simplify64.0ms

Algorithm
egg-herbie
Counts
147 → 147
Iterations

Useful iterations: 1 (27.0ms)

IterNodesCost
013733924
150013756

prune594.0ms

Filtered
147 candidates to 77 candidates (52.4%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New1416147
Fresh000
Picked011
Done000
Total1417148

Merged error: 27.9b

Counts
148 → 7

localize21.0ms

Local error

Found 4 expressions with local error:

0.5b
(log (exp (cos (/ (+ phi1 phi2) 2.0))))
2.5b
(cos (/ (+ phi1 phi2) 2.0))
2.5b
(cos (/ (+ phi1 phi2) 2.0))
39.4b
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (log (exp (cos (/ (+ phi1 phi2) 2.0)))))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite46.0ms

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 log-pow add-cbrt-cube add-log-exp
log-prod exp-prod sqrt-prod
rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 rem-log-exp flip-+
Counts
4 → 108
Calls
4 calls:
6.0ms
(log (exp (cos (/ (+ phi1 phi2) 2.0))))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))
18.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (log (exp (cos (/ (+ phi1 phi2) 2.0)))))) (* (- phi1 phi2) (- phi1 phi2))))

series477.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(log (exp (cos (/ (+ phi1 phi2) 2.0))))
29.0ms
(cos (/ (+ phi1 phi2) 2.0))
26.0ms
(cos (/ (+ phi1 phi2) 2.0))
397.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (log (exp (cos (/ (+ phi1 phi2) 2.0)))))) (* (- phi1 phi2) (- phi1 phi2))))

simplify57.0ms

Algorithm
egg-herbie
Counts
120 → 120
Iterations

Useful iterations: 1 (26.0ms)

IterNodesCost
012963714
150013634

prune405.0ms

Filtered
120 candidates to 71 candidates (59.2%)
Pruning

7 alts after pruning (5 fresh and 2 done)

PrunedKeptTotal
New1200120
Fresh055
Picked011
Done011
Total1207127

Merged error: 27.9b

Counts
127 → 7

localize20.0ms

Local error

Found 4 expressions with local error:

2.5b
(cos (/ (+ phi1 phi2) 2.0))
2.5b
(cos (/ (+ phi1 phi2) 2.0))
6.3b
(exp (log (sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))))
39.4b
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
256×associate-*l/
192×flip3-- flip--
132×sqrt-div
128×frac-times frac-add
66×log-div exp-diff
64×associate-*r/
add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
pow1
log-prod exp-prod exp-sum sqrt-prod
add-exp-log add-cbrt-cube add-log-exp
log-pow
sqrt-pow1 flip3-+ pow1/2 flip-+
rem-sqrt-square rem-exp-log
Counts
4 → 179
Calls
4 calls:
5.0ms
(cos (/ (+ phi1 phi2) 2.0))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))
27.0ms
(exp (log (sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))))
18.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

series853.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(cos (/ (+ phi1 phi2) 2.0))
26.0ms
(cos (/ (+ phi1 phi2) 2.0))
404.0ms
(exp (log (sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))))
395.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

simplify91.0ms

Algorithm
egg-herbie
Counts
191 → 191
Iterations

Useful iterations: 1 (29.0ms)

IterNodesCost
015136939
150026823

prune631.0ms

Filtered
191 candidates to 99 candidates (51.8%)
Pruning

10 alts after pruning (9 fresh and 1 done)

PrunedKeptTotal
New1865191
Fresh044
Picked101
Done112
Total18810198

Merged error: 27.9b

Counts
198 → 10

localize27.0ms

Local error

Found 4 expressions with local error:

2.5b
(cos (/ (+ phi1 phi2) 2.0))
2.5b
(cos (/ (+ phi1 phi2) 2.0))
6.6b
(pow (exp 1/2) (log (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2)))))
41.1b
(log (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
256×associate-*l/
192×flip3-- flip--
132×log-div
128×frac-times frac-add
66×pow-sub
64×associate-*r/
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1
log-prod
add-exp-log
pow-unpow pow-pow add-cbrt-cube add-log-exp
unpow-prod-up unpow-prod-down exp-prod
flip3-+ log-pow flip-+
pow-to-exp rem-log-exp pow-exp sqr-pow
Counts
4 → 182
Calls
4 calls:
5.0ms
(cos (/ (+ phi1 phi2) 2.0))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))
28.0ms
(pow (exp 1/2) (log (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2)))))
19.0ms
(log (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

series827.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(cos (/ (+ phi1 phi2) 2.0))
31.0ms
(cos (/ (+ phi1 phi2) 2.0))
466.0ms
(pow (exp 1/2) (log (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2)))))
304.0ms
(log (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

simplify96.0ms

Algorithm
egg-herbie
Counts
194 → 194
Iterations

Useful iterations: 1 (31.0ms)

IterNodesCost
018207399
150037332

prune683.0ms

Filtered
194 candidates to 104 candidates (53.6%)
Pruning

14 alts after pruning (13 fresh and 1 done)

PrunedKeptTotal
New1877194
Fresh268
Picked101
Done011
Total19014204

Merged error: 20.2b

Counts
204 → 14

regimes855.0ms

Accuracy

25.7% (15.4b remaining)

Error of 33.8b against oracle of 18.4b and baseline of 39.1b

bsearch2.0ms

simplify4.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
09569
110669
212169
313069
413069

end0.0ms

sample1.8s

Algorithm
intervals
Results
527.0ms8275×body80valid
355.0ms1325×body640valid
306.0ms786×body1280valid
149.0ms745×body320valid
49.0ms335×body160valid