Details

Time bar (total: 24.8s)

sample123.0ms

Algorithm
intervals
Results
31.0ms45×body1280valid
17.0ms138×body80valid
17.0ms39×body640valid
8.0ms21×body320valid
3.0ms13×body160valid

simplify3.1s

Counts
1 → 1
Iterations
IterNodes
done5038
54827
4843
3216
285
136
017

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 9.7b

localize36.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ U (* (* 2 (cos (/ K 2))) J))
0.1b
(* (cos (/ K 2)) (* -2 J))
0.1b
(* (* 2 (cos (/ K 2))) J)
9.7b
(* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (* (cos (/ K 2)) (* -2 J)))

rewrite147.0ms

Algorithm
rewrite-expression-head
Rules
32×add-cbrt-cube add-exp-log
23×pow1
15×prod-exp cbrt-unprod
12×pow-prod-down
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
associate-*l*
associate-*r*
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv times-frac div-exp *-commutative associate-/l*
clear-num associate-/r* frac-2neg div-inv
Counts
4 → 92
Calls
4 calls:
33.0ms
(/ U (* (* 2 (cos (/ K 2))) J))
30.0ms
(* (cos (/ K 2)) (* -2 J))
21.0ms
(* (* 2 (cos (/ K 2))) J)
60.0ms
(* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (* (cos (/ K 2)) (* -2 J)))

series578.0ms

Counts
4 → 12
Calls
4 calls:
111.0ms
(/ U (* (* 2 (cos (/ K 2))) J))
54.0ms
(* (cos (/ K 2)) (* -2 J))
68.0ms
(* (* 2 (cos (/ K 2))) J)
345.0ms
(* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (* (cos (/ K 2)) (* -2 J)))

simplify1.8s

Counts
104 → 104
Iterations
IterNodes
done5001
21590
1418
0164

prune672.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 4.5b

localize35.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2)))
0.1b
(/ U (* (* 2 (cos (/ K 2))) J))
0.1b
(* (* 2 (cos (/ K 2))) J)
9.7b
(* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J))

rewrite95.0ms

Algorithm
rewrite-expression-head
Rules
32×add-cbrt-cube add-exp-log
23×pow1
15×prod-exp cbrt-unprod
12×pow-prod-down
11×add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
associate-*r*
associate-*l*
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv times-frac div-exp *-commutative associate-/l*
clear-num associate-/r* frac-2neg div-inv unswap-sqr
Counts
4 → 93
Calls
4 calls:
8.0ms
(* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2)))
21.0ms
(/ U (* (* 2 (cos (/ K 2))) J))
32.0ms
(* (* 2 (cos (/ K 2))) J)
33.0ms
(* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J))

series798.0ms

Counts
4 → 12
Calls
4 calls:
275.0ms
(* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2)))
122.0ms
(/ U (* (* 2 (cos (/ K 2))) J))
88.0ms
(* (* 2 (cos (/ K 2))) J)
312.0ms
(* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J))

simplify1.6s

Counts
105 → 105
Iterations
IterNodes
done5002
21593
1419
0165

prune612.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.5b

localize50.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (cos (/ K 2)) (* -2 J))
0.2b
(* (sqrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J)))) (* (cos (/ K 2)) (* -2 J)))
9.8b
(sqrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
9.8b
(sqrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
20×pow1
18×add-cbrt-cube add-exp-log
11×add-sqr-sqrt
*-un-lft-identity associate-*l* pow-prod-down prod-exp add-cube-cbrt sqrt-prod cbrt-unprod
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 associate-*r* *-commutative
Counts
4 → 80
Calls
4 calls:
17.0ms
(* (cos (/ K 2)) (* -2 J))
46.0ms
(* (sqrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J)))) (* (cos (/ K 2)) (* -2 J)))
1.0ms
(sqrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
1.0ms
(sqrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))

series917.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(* (cos (/ K 2)) (* -2 J))
350.0ms
(* (sqrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J)))) (* (cos (/ K 2)) (* -2 J)))
250.0ms
(sqrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
243.0ms
(sqrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))

simplify2.6s

Counts
92 → 92
Iterations
IterNodes
done5001
33247
2724
1234
0105

prune599.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 4.5b

localize57.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J)))
9.7b
(* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J))
9.7b
(* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J))
9.7b
(* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J))

rewrite143.0ms

Algorithm
rewrite-expression-head
Rules
40×pow1 add-cbrt-cube add-exp-log
24×pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt expm1-log1p-u *-un-lft-identity add-cube-cbrt insert-posit16 log1p-expm1-u add-log-exp
associate-*r* associate-*l* *-commutative
cbrt-prod pow1/3
Counts
4 → 87
Calls
4 calls:
16.0ms
(cbrt (* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J)))
25.0ms
(* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J))
49.0ms
(* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J))
51.0ms
(* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J))

series1.4s

Counts
4 → 12
Calls
4 calls:
392.0ms
(cbrt (* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J)))
305.0ms
(* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J))
352.0ms
(* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J))
381.0ms
(* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J))

simplify3.6s

Counts
99 → 99
Iterations
IterNodes
done5000
33879
2846
1267
0110

prune755.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.5b

regimes420.0ms

Accuracy

-5.7% (4.3b remaining)

Error of 8.1b against oracle of 3.8b and baseline of 7.9b

bsearch165.0ms

Steps
ItersRangePoint
10
4.5767912825291445e+246
4.205015792487067e+261
1.0984957296591846e+254

simplify6.0ms

Iterations
IterNodes
done29
129
021

end0.0ms

sample4.3s

Algorithm
intervals
Results
1.4s1479×body1280valid
1.4s4309×body80valid
807.0ms1250×body640valid
403.0ms625×body320valid
100.0ms337×body160valid