Details

Time bar (total: 27.2s)

sample153.0ms

Algorithm
intervals
Results
46.0ms49×body1280valid
24.0ms37×body640valid
23.0ms137×body80valid
12.0ms25×body320valid
3.0msbody160valid

simplify3.0s

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

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.9b

localize26.0ms

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)
7.9b
(* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (* (cos (/ K 2)) (* -2 J)))

rewrite97.0ms

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:
20.0ms
(/ U (* (* 2 (cos (/ K 2))) J))
14.0ms
(* (cos (/ K 2)) (* -2 J))
22.0ms
(* (* 2 (cos (/ K 2))) J)
39.0ms
(* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (* (cos (/ K 2)) (* -2 J)))

series572.0ms

Counts
4 → 12
Calls
4 calls:
94.0ms
(/ U (* (* 2 (cos (/ K 2))) J))
69.0ms
(* (cos (/ K 2)) (* -2 J))
69.0ms
(* (* 2 (cos (/ K 2))) J)
340.0ms
(* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (* (cos (/ K 2)) (* -2 J)))

simplify2.1s

Counts
104 → 104
Iterations
IterNodes
done5001
21590
1418
0164

prune534.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 5.0b

localize46.0ms

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)
7.9b
(* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J))

rewrite82.0ms

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:
7.0ms
(* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2)))
22.0ms
(/ U (* (* 2 (cos (/ K 2))) J))
18.0ms
(* (* 2 (cos (/ K 2))) J)
33.0ms
(* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J))

series734.0ms

Counts
4 → 12
Calls
4 calls:
258.0ms
(* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2)))
92.0ms
(/ U (* (* 2 (cos (/ K 2))) J))
69.0ms
(* (* 2 (cos (/ K 2))) J)
315.0ms
(* (* (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))) (cos (/ K 2))) (* -2 J))

simplify1.7s

Counts
105 → 105
Iterations
IterNodes
done5002
21593
1419
0165

prune639.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 5.0b

localize56.0ms

Local error

Found 4 expressions with local error:

1.8b
(* (* (cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J)))) (cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))) (* (cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J)))) (* (cos (/ K 2)) (* -2 J))))
8.1b
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
8.1b
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
8.1b
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))

rewrite146.0ms

Algorithm
rewrite-expression-head
Rules
36×pow1 add-exp-log
24×pow-prod-down prod-exp cbrt-unprod
22×add-cbrt-cube
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-*r* associate-*l* *-commutative
Counts
4 → 79
Calls
4 calls:
143.0ms
(* (* (cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J)))) (cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))) (* (cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J)))) (* (cos (/ K 2)) (* -2 J))))
1.0ms
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
1.0ms
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
1.0ms
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))

series1.4s

Counts
4 → 12
Calls
4 calls:
344.0ms
(* (* (cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J)))) (cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))) (* (cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J)))) (* (cos (/ K 2)) (* -2 J))))
312.0ms
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
390.0ms
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
386.0ms
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))

simplify3.9s

Counts
91 → 91
Iterations
IterNodes
done5005
34933
21107
1309
0124

prune656.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 5.0b

localize109.0ms

Local error

Found 4 expressions with local error:

8.1b
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
8.1b
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
8.1b
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
8.1b
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube pow1/3 add-exp-log insert-posit16 log1p-expm1-u add-log-exp
Counts
4 → 56
Calls
4 calls:
1.0ms
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
1.0ms
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
1.0ms
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
2.0ms
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))

series1.4s

Counts
4 → 12
Calls
4 calls:
336.0ms
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
348.0ms
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
371.0ms
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))
337.0ms
(cbrt (hypot 1 (/ U (* (* 2 (cos (/ K 2))) J))))

simplify2.0s

Counts
68 → 68
Iterations
IterNodes
done5012
41981
3528
2185
187
049

prune554.0ms

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 5.0b

regimes540.0ms

Accuracy

-9.1% (4.4b remaining)

Error of 8.2b against oracle of 3.8b and baseline of 7.9b

bsearch110.0ms

Steps
ItersRangePoint
5
-8.091786763451962e+243
-4.0158444704749664e+243
-6.5450850664377556e+243

simplify6.0ms

Iterations
IterNodes
done26
126
019

end0.0ms

sample6.5s

Algorithm
intervals
Results
2.1s1477×body1280valid
1.9s1252×body640valid
1.2s4333×body80valid
948.0ms629×body320valid
140.0ms310×body160valid