Details

Time bar (total: 34.6s)

sample755.0ms

Algorithm
intervals
Results
420.0ms160×body1280valid
143.0ms57×body640valid
62.0msbody160valid
29.0ms24×body320valid
11.0msbody2560valid
2.0msbody80valid

simplify94.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (12.0ms)

IterNodesCost
01719
12718
23818
34418
44618
done4618

prune17.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 19.1b

localize58.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))
0.2b
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
1.5b
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
3.0b
(cos (- lambda1 lambda2))

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt
13×add-cube-cbrt *-un-lft-identity
11×pow1 add-exp-log cos-sum add-cbrt-cube
prod-diff
associate-*r*
expm1-log1p-u associate-*l* pow-prod-down prod-exp cbrt-unprod log1p-expm1-u add-log-exp
cos-diff
*-commutative
distribute-rgt-in acos-asin sub-neg distribute-lft-in associate-*l/ cos-mult unswap-sqr
Counts
4 → 74
Calls
4 calls:
81.0ms
(* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))
13.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
4.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
29.0ms
(cos (- lambda1 lambda2))

series283.0ms

Counts
4 → 12
Calls
4 calls:
137.0ms
(* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))
77.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
23.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
46.0ms
(cos (- lambda1 lambda2))

simplify1.3s

Counts
86 → 86
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01971807
14041595
216081331
done50011299

prune719.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 4.6b

localize49.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))) R)
0.2b
(* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2)))
0.3b
(* (sin lambda1) (sin lambda2))
1.5b
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

rewrite93.0ms

Algorithm
rewrite-expression-head
Rules
20×pow1 add-exp-log add-cbrt-cube
12×add-sqr-sqrt
10×pow-prod-down prod-exp cbrt-unprod
add-cube-cbrt *-un-lft-identity
associate-*r* associate-*l*
expm1-log1p-u cos-mult log1p-expm1-u add-log-exp
*-commutative
unswap-sqr
acos-asin frac-times associate-*r/ associate-*l/ sin-mult
Counts
4 → 78
Calls
4 calls:
7.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))) R)
61.0ms
(* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2)))
20.0ms
(* (sin lambda1) (sin lambda2))
2.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

series424.0ms

Counts
4 → 12
Calls
4 calls:
130.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))) R)
190.0ms
(* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2)))
68.0ms
(* (sin lambda1) (sin lambda2))
36.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

simplify1.2s

Counts
90 → 90
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01662079
13971783
215991442
done50001437

prune753.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 4.5b

localize41.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (exp (log (acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2)))))) R)
0.3b
(* (sin lambda1) (sin lambda2))
0.6b
(log (acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2)))))
1.5b
(acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2))))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
10×add-cube-cbrt *-un-lft-identity
pow1 associate-*l*
add-exp-log add-cbrt-cube
log-prod
associate-*r*
expm1-log1p-u exp-sum log1p-expm1-u add-log-exp
unswap-sqr
pow-prod-down prod-exp *-commutative cbrt-unprod
acos-asin rem-log-exp log-pow sin-mult
Counts
4 → 69
Calls
4 calls:
49.0ms
(* (exp (log (acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2)))))) R)
14.0ms
(* (sin lambda1) (sin lambda2))
1.0ms
(log (acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2)))))
1.0ms
(acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2))))

series206.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(* (exp (log (acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2)))))) R)
79.0ms
(* (sin lambda1) (sin lambda2))
40.0ms
(log (acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2)))))
13.0ms
(acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2))))

simplify4.1s

Counts
81 → 81
Iterations

Useful iterations: done (4.0s)

IterNodesCost
01141949
12021882
25751638
338391634
done50001632

prune876.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 4.5b

localize47.0ms

Local error

Found 4 expressions with local error:

0.3b
(expm1 (log (acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2))))))
0.6b
(log (acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2)))))
1.1b
(log1p (expm1 (log (acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2)))))))
1.5b
(acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2))))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt *-un-lft-identity log1p-expm1-u
expm1-log1p-u add-cbrt-cube add-log-exp
log-prod
acos-asin log1p-udef expm1-log1p log1p-expm1 rem-log-exp log-pow expm1-udef
Counts
4 → 46
Calls
4 calls:
1.0ms
(expm1 (log (acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2))))))
2.0ms
(log (acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2)))))
0.0ms
(log1p (expm1 (log (acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2)))))))
1.0ms
(acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2))))

series330.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(expm1 (log (acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2))))))
77.0ms
(log (acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2)))))
162.0ms
(log1p (expm1 (log (acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2)))))))
26.0ms
(acos (fma (* (cos phi1) (cos phi2)) (fma (cos lambda2) (cos lambda1) (* (sin lambda1) (sin lambda2))) (* (sin phi1) (sin phi2))))

simplify4.0s

Counts
58 → 58
Iterations

Useful iterations: 5 (687.0ms)

IterNodesCost
0651695
1921662
21561456
33011456
47251454
529181452
done50001452

prune485.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 4.5b

regimes954.0ms

Accuracy

0% (0.3b remaining)

Error of 3.8b against oracle of 3.5b and baseline of 3.8b

bsearch0.0ms

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02226
12626
done2626

end0.0ms

sample17.7s

Algorithm
intervals
Results
12.9s4733×body1280valid
3.0s2153×body640valid
536.0ms659×body320valid
513.0ms305×body160valid
41.0ms143×body80valid
32.0msbody2560valid