Details

Time bar (total: 31.0s)

sample163.0ms

Algorithm
intervals
Results
65.0ms53×body1280valid
40.0ms48×body640valid
26.0ms131×body80valid
10.0ms14×body320valid
4.0ms10×body160valid

simplify968.0ms

Counts
1 → 1
Iterations
IterNodes
52043
4623
3190
283
134
017

prune25.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.4b

localize52.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ U (* (* J 2) (cos (/ K 2))))
0.1b
(* (cos (/ K 2)) (* -2 J))
0.1b
(* (* J 2) (cos (/ K 2)))
7.3b
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

rewrite153.0ms

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 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 → 88
Calls
4 calls:
26.0ms
(/ U (* (* J 2) (cos (/ K 2))))
27.0ms
(* (cos (/ K 2)) (* -2 J))
34.0ms
(* (* J 2) (cos (/ K 2)))
63.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

series579.0ms

Counts
4 → 12
Calls
4 calls:
142.0ms
(/ U (* (* J 2) (cos (/ K 2))))
65.0ms
(* (cos (/ K 2)) (* -2 J))
71.0ms
(* (* J 2) (cos (/ K 2)))
300.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

simplify4.5s

Counts
100 → 100
Iterations
IterNodes
38588
21471
1410
0158

prune1.3s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 4.7b

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (cos (/ K 2)))
0.1b
(/ U (* (* J 2) (cos (/ K 2))))
0.1b
(* (* J 2) (cos (/ K 2)))
7.4b
(* (* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (cos (/ K 2))) (* -2 J))

rewrite93.0ms

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 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 → 89
Calls
4 calls:
13.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (cos (/ K 2)))
26.0ms
(/ U (* (* J 2) (cos (/ K 2))))
20.0ms
(* (* J 2) (cos (/ K 2)))
31.0ms
(* (* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (cos (/ K 2))) (* -2 J))

series789.0ms

Counts
4 → 12
Calls
4 calls:
264.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (cos (/ K 2)))
111.0ms
(/ U (* (* J 2) (cos (/ K 2))))
80.0ms
(* (* J 2) (cos (/ K 2)))
334.0ms
(* (* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (cos (/ K 2))) (* -2 J))

simplify5.1s

Counts
101 → 101
Iterations
IterNodes
38015
21457
1403
0156

prune1.3s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 4.7b

localize84.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J))))
7.3b
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
7.3b
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
7.3b
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

rewrite169.0ms

Algorithm
rewrite-expression-head
Rules
31×pow1 add-cbrt-cube add-exp-log
18×pow-prod-down prod-exp cbrt-unprod
associate-*l*
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u log1p-expm1-u add-log-exp
associate-*r* *-commutative
cbrt-prod pow1/3
Counts
4 → 80
Calls
4 calls:
22.0ms
(cbrt (* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J))))
33.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
66.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
46.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

series1.5s

Counts
4 → 12
Calls
4 calls:
456.0ms
(cbrt (* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J))))
325.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
358.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
376.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

simplify1.6s

Counts
92 → 92
Iterations
IterNodes
33466
2837
1265
0110

prune1.4s

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 4.7b

localize97.0ms

Local error

Found 4 expressions with local error:

7.3b
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
7.3b
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
7.3b
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
7.3b
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

rewrite169.0ms

Algorithm
rewrite-expression-head
Rules
40×pow1 add-cbrt-cube add-exp-log
24×pow-prod-down prod-exp cbrt-unprod
12×associate-*l*
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u associate-*r* *-commutative log1p-expm1-u add-log-exp
Counts
4 → 92
Calls
4 calls:
31.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
59.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
37.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
40.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

series1.4s

Counts
4 → 12
Calls
4 calls:
359.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
344.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
342.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
336.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

simplify1.2s

Counts
104 → 104
Iterations
IterNodes
32797
2600
1169
068

prune2.0s

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 4.7b

regimes420.0ms

Accuracy

0% (3.9b remaining)

Error of 7.9b against oracle of 3.9b and baseline of 7.9b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
220
120
015

end0.0ms

sample6.0s

Algorithm
intervals
Results
2.1s1536×body1280valid
1.2s643×body320valid
1.1s4244×body80valid
1.1s1255×body640valid
157.0ms323×body160valid