Details

Time bar (total: 8.0s)

sample57.0ms

Algorithm
intervals
Results
17.0ms48×body1280valid
10.0ms139×body80valid
9.0ms37×body640valid
3.0ms16×body320valid
2.0ms16×body160valid

simplify43.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03413
17513
213913
320713
437513
5137313
6500113
done500113

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.1b

localize20.0ms

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)
7.5b
(sqrt (+ 1.0 (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))))

rewrite248.0ms

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-*r/ associate-*l* *-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:
17.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
21.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
67.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))
140.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))

series531.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
144.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
144.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))
195.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))

simplify59.0ms

Counts
108 → 108
Iterations

Useful iterations: 2 (49.0ms)

IterNodesCost
04641076
11988966
25001965
done5001965

prune343.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 8.8b

localize18.0ms

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))))

rewrite110.0ms

Algorithm
rewrite-expression-head
Rules
32×add-exp-log add-cbrt-cube
23×pow1
15×prod-exp cbrt-unprod
12×pow-prod-down
add-sqr-sqrt add-cube-cbrt *-un-lft-identity associate-*r*
expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv times-frac div-exp associate-*l* *-commutative associate-/l*
frac-2neg clear-num associate-/r* div-inv
Counts
4 → 88
Calls
4 calls:
17.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
17.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
18.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
55.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

series706.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
46.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
52.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
514.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

simplify65.0ms

Counts
100 → 100
Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
0489993
12344770
25001770
done5001770

prune331.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 8.8b

localize19.0ms

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

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
32×add-exp-log add-cbrt-cube
23×pow1
15×prod-exp cbrt-unprod
12×pow-prod-down
11×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
associate-*r*
associate-*l*
expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv times-frac div-exp *-commutative associate-/l*
frac-2neg clear-num associate-/r* div-inv unswap-sqr
Counts
4 → 89
Calls
4 calls:
8.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
17.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
20.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
27.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))

series1.1s

Counts
4 → 12
Calls
4 calls:
454.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
94.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
51.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
513.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))

simplify64.0ms

Counts
101 → 101
Iterations

Useful iterations: 2 (54.0ms)

IterNodesCost
05241240
12426964
25002963
done5002963

prune327.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 8.8b

localize19.0ms

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

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
33×times-frac
27×add-exp-log add-cbrt-cube
24×add-sqr-sqrt
22×add-cube-cbrt *-un-lft-identity
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 frac-2neg clear-num associate-/l/ unswap-sqr
Counts
4 → 104
Calls
4 calls:
0.0ms
(hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))
8.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2))))
16.0ms
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
27.0ms
(* (* -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:
430.0ms
(hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))
451.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2))))
92.0ms
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
503.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))))

simplify72.0ms

Counts
116 → 116
Iterations

Useful iterations: 2 (55.0ms)

IterNodesCost
06051555
126721277
250021276
done50021276

prune399.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 8.8b

regimes193.0ms

Accuracy

0% (0.3b remaining)

Error of 8.2b against oracle of 8.0b and baseline of 8.2b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02314
12314
done2314

end0.0ms

sample1.6s

Algorithm
intervals
Results
575.0ms1545×body1280valid
310.0ms1221×body640valid
298.0ms4300×body80valid
115.0ms626×body320valid
45.0ms312×body160valid