Details

Time bar (total: 24.1s)

sample144.0ms

Algorithm
intervals
Results
62.0ms49×body1280valid
29.0ms44×body640valid
22.0ms129×body80valid
13.0ms27×body320valid
2.0msbody160valid

simplify880.0ms

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

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.7b

localize55.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ U (* (* J 2) (cos (/ K 2))))
0.2b
(* (cos (/ K 2)) (* -2 J))
0.2b
(* (* J 2) (cos (/ K 2)))
5.7b
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

rewrite87.0ms

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:
14.0ms
(/ U (* (* J 2) (cos (/ K 2))))
23.0ms
(* (cos (/ K 2)) (* -2 J))
15.0ms
(* (* J 2) (cos (/ K 2)))
34.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

series544.0ms

Counts
4 → 12
Calls
4 calls:
113.0ms
(/ U (* (* J 2) (cos (/ K 2))))
54.0ms
(* (cos (/ K 2)) (* -2 J))
63.0ms
(* (* J 2) (cos (/ K 2)))
315.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

simplify4.3s

Counts
104 → 104
Iterations
IterNodes
38613
21469
1408
0162

prune544.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 2.6b

localize41.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* J 2) (cos (/ K 2)))
0.2b
(* (* J 2) (cos (/ K 2)))
5.7b
(sqrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))
5.7b
(sqrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
16×pow1
14×add-cbrt-cube add-exp-log
10×add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
associate-*r* pow-prod-down prod-exp sqrt-prod cbrt-unprod
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* *-commutative
Counts
4 → 74
Calls
4 calls:
27.0ms
(* (* J 2) (cos (/ K 2)))
15.0ms
(* (* J 2) (cos (/ K 2)))
1.0ms
(sqrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))
1.0ms
(sqrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))

series598.0ms

Counts
4 → 12
Calls
4 calls:
61.0ms
(* (* J 2) (cos (/ K 2)))
74.0ms
(* (* J 2) (cos (/ K 2)))
228.0ms
(sqrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))
234.0ms
(sqrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))

simplify2.9s

Counts
86 → 86
Iterations
IterNodes
43468
31118
2363
1143
071

prune532.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 2.6b

localize55.0ms

Local error

Found 4 expressions with local error:

5.7b
(sqrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))
5.9b
(cbrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))
5.9b
(cbrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))
5.9b
(cbrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
pow1/3 sqrt-prod
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 58
Calls
4 calls:
1.0ms
(sqrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))
1.0ms
(cbrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))
1.0ms
(cbrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))
1.0ms
(cbrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))

series1.3s

Counts
4 → 12
Calls
4 calls:
227.0ms
(sqrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))
290.0ms
(cbrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))
364.0ms
(cbrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))
388.0ms
(cbrt (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))))

simplify637.0ms

Counts
70 → 70
Iterations
IterNodes
42013
3497
2194
1106
064

prune608.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 2.6b

localize37.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (cos (/ K 2)))
0.3b
(cbrt (cos (/ K 2)))
0.3b
(cbrt (cos (/ K 2)))
5.7b
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (* (cbrt (cos (/ K 2))) (cbrt (cos (/ K 2)))) (* (cbrt (cos (/ K 2))) (* -2 J))))

rewrite174.0ms

Algorithm
rewrite-expression-head
Rules
33×pow1 add-exp-log
23×add-cbrt-cube
22×pow-prod-down prod-exp cbrt-unprod
cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
pow1/3 associate-*l*
associate-*r* *-commutative
Counts
4 → 78
Calls
4 calls:
1.0ms
(cbrt (cos (/ K 2)))
1.0ms
(cbrt (cos (/ K 2)))
1.0ms
(cbrt (cos (/ K 2)))
170.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (* (cbrt (cos (/ K 2))) (cbrt (cos (/ K 2)))) (* (cbrt (cos (/ K 2))) (* -2 J))))

series754.0ms

Counts
4 → 12
Calls
4 calls:
102.0ms
(cbrt (cos (/ K 2)))
151.0ms
(cbrt (cos (/ K 2)))
153.0ms
(cbrt (cos (/ K 2)))
347.0ms
(* (hypot 1 (/ U (* (* J 2) (cos (/ K 2))))) (* (* (cbrt (cos (/ K 2))) (cbrt (cos (/ K 2)))) (* (cbrt (cos (/ K 2))) (* -2 J))))

simplify2.9s

Counts
90 → 90
Iterations
IterNodes
35929
21260
1325
0124

prune466.0ms

Pruning

10 alts after pruning (6 fresh and 4 done)

Merged error: 2.6b

regimes373.0ms

Accuracy

0% (3.9b remaining)

Error of 7.3b against oracle of 3.4b and baseline of 7.3b

bsearch0.0ms

simplify4.0ms

Iterations
IterNodes
220
120
015

end0.0ms

sample6.1s

Algorithm
intervals
Results
1.9s1282×body640valid
1.7s1402×body1280valid
1.4s4329×body80valid
471.0ms656×body320valid
219.0ms340×body160valid