Details

Time bar (total: 25.1s)

sample127.0ms

Algorithm
intervals
Results
36.0ms53×body1280valid
29.0ms127×body80valid
22.0ms41×body640valid
9.0ms25×body320valid
3.0ms10×body160valid

simplify3.7s

Counts
1 → 1
Iterations
IterNodes
done5000
63236
5492
4208
3135
271
134
017

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.2b

localize67.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* -2.0 J) (cos (/ K 2.0)))
0.2b
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
7.4b
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
9.6b
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

rewrite281.0ms

Algorithm
rewrite-expression-head
Rules
28×add-exp-log
20×pow1
18×add-cbrt-cube
15×*-un-lft-identity
12×add-sqr-sqrt prod-exp
11×add-cube-cbrt
10×associate-*r*
pow-prod-down cbrt-unprod
sqrt-prod
unpow-prod-down
sqrt-div pow-exp add-log-exp
pow-unpow times-frac div-exp
flip3-+ associate-*l* associate-*r/ *-commutative flip-+ distribute-lft-out
pow-to-exp rem-sqrt-square pow-pow sqrt-pow1 pow1/2 div-inv sqr-pow
Counts
4 → 85
Calls
4 calls:
29.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
16.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
154.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
79.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

series800.0ms

Counts
4 → 12
Calls
4 calls:
75.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
197.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
297.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
230.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

simplify2.2s

Counts
97 → 97
Iterations
IterNodes
done5002
22368
1508
0192

prune698.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 12.2b

localize42.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* 2.0 J) (cos (/ K 2.0)))
0.2b
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
7.4b
(* (* -2.0 J) (* (cos (/ K 2.0)) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))))
9.6b
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

rewrite288.0ms

Algorithm
rewrite-expression-head
Rules
31×add-exp-log
23×pow1
21×add-cbrt-cube
14×prod-exp
11×*-un-lft-identity pow-prod-down cbrt-unprod
10×add-sqr-sqrt
add-cube-cbrt
unpow-prod-down
sqrt-div associate-*r* pow-exp associate-*r/ sqrt-prod add-log-exp
pow-unpow times-frac div-exp
flip3-+ associate-*l* *-commutative flip-+
pow-to-exp rem-sqrt-square pow-pow sqrt-pow1 pow1/2 div-inv distribute-lft-out sqr-pow
Counts
4 → 82
Calls
4 calls:
14.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
28.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
161.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))))
82.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

series859.0ms

Counts
4 → 12
Calls
4 calls:
84.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
238.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
304.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))))
233.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

simplify1.9s

Counts
94 → 94
Iterations
IterNodes
done5002
22427
1544
0199

prune589.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 12.2b

localize46.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
0.2b
(pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)
7.4b
(* (* -2.0 J) (* (cos (/ K 2.0)) (sqrt (+ 1.0 (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)))))
9.6b
(sqrt (+ 1.0 (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)))

rewrite746.0ms

Algorithm
rewrite-expression-head
Rules
63×times-frac
38×*-un-lft-identity
37×add-sqr-sqrt
36×add-cube-cbrt
35×add-exp-log
25×unpow-prod-down add-cbrt-cube
18×pow1
10×div-exp prod-exp
cbrt-unprod div-inv
pow-prod-down
associate-/l*
cbrt-undiv
sqrt-div pow-exp associate-*r/ sqrt-prod add-log-exp
pow-unpow associate-/r*
flip3-+ flip-+
pow-to-exp rem-sqrt-square clear-num pow-pow frac-2neg sqrt-pow1 pow1/2 associate-*r* associate-*l* *-commutative distribute-lft-out sqr-pow associate-/l/
Counts
4 → 130
Calls
4 calls:
12.0ms
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
16.0ms
(pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)
610.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (sqrt (+ 1.0 (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)))))
103.0ms
(sqrt (+ 1.0 (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)))

series858.0ms

Counts
4 → 12
Calls
4 calls:
133.0ms
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
239.0ms
(pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)
256.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (sqrt (+ 1.0 (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)))))
230.0ms
(sqrt (+ 1.0 (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)))

simplify2.4s

Counts
142 → 142
Iterations
IterNodes
done5001
23801
1914
0298

prune963.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 12.2b

localize62.0ms

Local error

Found 4 expressions with local error:

7.4b
(sqrt (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
7.4b
(sqrt (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
9.6b
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))
9.6b
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

rewrite316.0ms

Algorithm
rewrite-expression-head
Rules
32×sqrt-prod
18×*-un-lft-identity
16×add-sqr-sqrt
12×sqrt-div
10×pow1 sqrt-pow1 add-cube-cbrt
rem-sqrt-square pow1/2
flip3-+ add-cbrt-cube add-exp-log flip-+ distribute-lft-out add-log-exp
Counts
4 → 76
Calls
4 calls:
88.0ms
(sqrt (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
85.0ms
(sqrt (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
62.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))
78.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

series1.1s

Counts
4 → 12
Calls
4 calls:
370.0ms
(sqrt (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
303.0ms
(sqrt (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
236.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))
201.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

simplify1.6s

Counts
88 → 88
Iterations
IterNodes
done5000
31471
2475
1195
097

prune709.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 12.2b

regimes589.0ms

Accuracy

-1.4% (5.5b remaining)

Error of 18.0b against oracle of 12.5b and baseline of 18.0b

bsearch137.0ms

Steps
ItersRangePoint
6
2.9613139026136572e+256
2.589187708518178e+257
1.5340647844779605e+257

simplify12.0ms

Iterations
IterNodes
done40
140
030

end0.0ms

sample4.0s

Algorithm
intervals
Results
1.4s1451×body1280valid
1.2s1263×body640valid
785.0ms4322×body80valid
230.0ms622×body320valid
84.0ms342×body160valid