Details

Time bar (total: 18.6s)

sample197.0ms

Algorithm
intervals
Results
85.0ms55×body1280valid
36.0ms141×body80valid
31.0ms32×body640valid
19.0ms23×body320valid
2.0msbody160valid

simplify892.0ms

Counts
1 → 1
Iterations
IterNodes
done2001
4843
3216
285
136
017

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 9.0b

localize45.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ U (* (* 2 J) (cos (/ K 2))))
0.1b
(* (cos (/ K 2)) (* -2 J))
0.1b
(* (* 2 J) (cos (/ K 2)))
9.0b
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

rewrite103.0ms

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:
16.0ms
(/ U (* (* 2 J) (cos (/ K 2))))
29.0ms
(* (cos (/ K 2)) (* -2 J))
17.0ms
(* (* 2 J) (cos (/ K 2)))
41.0ms
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

series532.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(/ U (* (* 2 J) (cos (/ K 2))))
68.0ms
(* (cos (/ K 2)) (* -2 J))
56.0ms
(* (* 2 J) (cos (/ K 2)))
308.0ms
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

simplify700.0ms

Counts
104 → 104
Iterations
IterNodes
done2027
21564
1413
0161

prune551.0ms

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
(* (sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2)))))) (* (cos (/ K 2)) (* -2 J)))
0.2b
(* (sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2)))))) (* (sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2)))))) (* (cos (/ K 2)) (* -2 J))))
9.1b
(sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))
9.1b
(sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))

rewrite184.0ms

Algorithm
rewrite-expression-head
Rules
29×pow1
27×add-cbrt-cube add-exp-log
16×pow-prod-down prod-exp cbrt-unprod
12×add-sqr-sqrt associate-*l* sqrt-prod
10×*-un-lft-identity add-cube-cbrt
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 associate-*r* *-commutative
Counts
4 → 89
Calls
4 calls:
43.0ms
(* (sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2)))))) (* (cos (/ K 2)) (* -2 J)))
136.0ms
(* (sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2)))))) (* (sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2)))))) (* (cos (/ K 2)) (* -2 J))))
1.0ms
(sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))
1.0ms
(sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))

series1.1s

Counts
4 → 12
Calls
4 calls:
302.0ms
(* (sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2)))))) (* (cos (/ K 2)) (* -2 J)))
326.0ms
(* (sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2)))))) (* (sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2)))))) (* (cos (/ K 2)) (* -2 J))))
251.0ms
(sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))
269.0ms
(sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))

simplify960.0ms

Counts
101 → 101
Iterations
IterNodes
done2018
2940
1270
0114

prune567.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 4.5b

localize41.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J))))
9.0b
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
9.0b
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
9.0b
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

rewrite170.0ms

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 insert-posit16 log1p-expm1-u add-log-exp
associate-*r* *-commutative
cbrt-prod pow1/3
Counts
4 → 84
Calls
4 calls:
26.0ms
(cbrt (* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J))))
63.0ms
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
36.0ms
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
43.0ms
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

series1.6s

Counts
4 → 12
Calls
4 calls:
523.0ms
(cbrt (* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J))))
406.0ms
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
269.0ms
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))
388.0ms
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

simplify778.0ms

Counts
96 → 96
Iterations
IterNodes
done2001
2855
1268
0111

prune840.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 4.5b

localize42.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (sqrt (cos (/ K 2))) (* (sqrt (cos (/ K 2))) (* -2 J)))
0.1b
(/ U (* (* 2 J) (cos (/ K 2))))
0.1b
(* (* 2 J) (cos (/ K 2)))
6.8b
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (sqrt (cos (/ K 2))) (* (sqrt (cos (/ K 2))) (* -2 J))))

rewrite250.0ms

Algorithm
rewrite-expression-head
Rules
41×add-cbrt-cube add-exp-log
32×pow1
22×prod-exp cbrt-unprod
19×pow-prod-down
10×add-sqr-sqrt *-un-lft-identity associate-*l* add-cube-cbrt
associate-*r*
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv times-frac div-exp *-commutative sqrt-prod associate-/l*
clear-num associate-/r* frac-2neg div-inv
Counts
4 → 101
Calls
4 calls:
54.0ms
(* (sqrt (cos (/ K 2))) (* (sqrt (cos (/ K 2))) (* -2 J)))
15.0ms
(/ U (* (* 2 J) (cos (/ K 2))))
28.0ms
(* (* 2 J) (cos (/ K 2)))
151.0ms
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (sqrt (cos (/ K 2))) (* (sqrt (cos (/ K 2))) (* -2 J))))

series668.0ms

Counts
4 → 12
Calls
4 calls:
71.0ms
(* (sqrt (cos (/ K 2))) (* (sqrt (cos (/ K 2))) (* -2 J)))
134.0ms
(/ U (* (* 2 J) (cos (/ K 2))))
90.0ms
(* (* 2 J) (cos (/ K 2)))
373.0ms
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (sqrt (cos (/ K 2))) (* (sqrt (cos (/ K 2))) (* -2 J))))

simplify1.1s

Counts
113 → 113
Iterations
IterNodes
done2003
21892
1482
0179

prune569.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 4.5b

regimes400.0ms

Accuracy

0% (4.1b remaining)

Error of 8.0b against oracle of 3.9b and baseline of 8.0b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done22
122
015

end0.0ms

sample6.2s

Algorithm
intervals
Results
2.5s1552×body1280valid
1.6s4320×body80valid
1.2s1180×body640valid
485.0ms649×body320valid
163.0ms301×body160valid