Details

Time bar (total: 28.5s)

sample111.0ms

Algorithm
intervals
Results
43.0ms46×body1280valid
20.0ms45×body640valid
18.0ms144×body80valid
5.0ms15×body320valid
1.0msbody160valid

simplify4.7s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
017636
134636
272636
3135636
4209636
5495636
63226636
done5000636

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 19.7b

localize57.0ms

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)
8.5b
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
9.9b
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

rewrite313.0ms

Algorithm
rewrite-expression-head
Rules
28×add-exp-log
20×pow1
18×add-cbrt-cube
17×add-sqr-sqrt
15×*-un-lft-identity
12×prod-exp
11×add-cube-cbrt
10×associate-*r*
pow-prod-down cbrt-unprod
unpow-prod-down sqrt-prod
expm1-log1p-u sqrt-div pow-exp log1p-expm1-u add-log-exp
pow-unpow times-frac div-exp hypot-def
flip3-+ associate-*l* associate-*r/ *-commutative flip-+ distribute-lft-out sqr-pow
pow-to-exp rem-sqrt-square pow-pow sqrt-pow1 pow1/2 div-inv
Counts
4 → 96
Calls
4 calls:
27.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
32.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
182.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
68.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

series772.0ms

Counts
4 → 12
Calls
4 calls:
89.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
213.0ms
(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))))
214.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

simplify2.9s

Counts
108 → 108
Iterations

Useful iterations: 2 (1.2s)

IterNodesCost
020053644
151950768
2243250038
done500050038

prune833.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 8.9b

localize60.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
0.1b
(* (* 2.0 J) (cos (/ K 2.0)))
0.1b
(* (* -2.0 J) (cos (/ K 2.0)))
8.5b
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

rewrite118.0ms

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 associate-*r* add-cube-cbrt
expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv times-frac div-exp associate-*l* *-commutative associate-/l*
clear-num associate-/r* frac-2neg div-inv
Counts
4 → 88
Calls
4 calls:
22.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
14.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
19.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
61.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

series930.0ms

Counts
4 → 12
Calls
4 calls:
126.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
65.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
57.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
682.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

simplify2.5s

Counts
100 → 100
Iterations

Useful iterations: done (2.5s)

IterNodesCost
019439918
149937315
2302136600
done500036520

prune770.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 8.8b

localize47.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
0.1b
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
0.1b
(* (* 2.0 J) (cos (/ K 2.0)))
8.6b
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))

rewrite71.0ms

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:
6.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
14.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
14.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
34.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))

series1.5s

Counts
4 → 12
Calls
4 calls:
573.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
96.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
54.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
743.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))

simplify2.2s

Counts
101 → 101
Iterations

Useful iterations: 2 (1.2s)

IterNodesCost
020750291
153647363
2302445528
done500145528

prune632.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 8.8b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))
0.1b
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2))))
0.1b
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
8.6b
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
33×times-frac
27×add-cbrt-cube add-exp-log
24×add-sqr-sqrt
22×*-un-lft-identity add-cube-cbrt
18×pow1
10×prod-exp cbrt-unprod
pow-prod-down
associate-/l*
cbrt-undiv div-exp div-inv
expm1-log1p-u associate-*r* associate-*l* log1p-expm1-u add-log-exp
associate-/r*
*-commutative
hypot-udef clear-num frac-2neg unswap-sqr associate-/l/
Counts
4 → 104
Calls
4 calls:
0.0ms
(hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))
6.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2))))
12.0ms
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
21.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))))

series1.9s

Counts
4 → 12
Calls
4 calls:
557.0ms
(hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))
579.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2))))
128.0ms
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
625.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))))

simplify2.5s

Counts
116 → 116
Iterations

Useful iterations: done (2.5s)

IterNodesCost
025866507
163961880
2310860984
done500060584

prune723.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 8.8b

regimes594.0ms

Accuracy

0% (0.3b remaining)

Error of 8.1b against oracle of 7.8b and baseline of 8.1b

bsearch0.0ms

simplify8.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
019692
124692
done24692

end0.0ms

sample4.3s

Algorithm
intervals
Results
1.3s1296×body640valid
1.2s1520×body1280valid
1.1s4242×body80valid
249.0ms623×body320valid
85.0ms324×body160valid