Details

Time bar (total: 7.9s)

sample58.0ms

Algorithm
intervals
Results
20.0ms54×body1280valid
9.0ms143×body80valid
8.0ms34×body640valid
3.0ms18×body320valid
1.0msbody160valid

simplify46.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03413
17513
213913
320713
437513
5137313
6500113
done500113

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.2b

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)
7.1b
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
8.9b
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

rewrite272.0ms

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:
19.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
23.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
152.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
75.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

series538.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
139.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
198.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
152.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

simplify61.0ms

Counts
108 → 108
Iterations

Useful iterations: 2 (48.0ms)

IterNodesCost
04641076
11988966
25001965
done5001965

prune329.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 7.4b

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)))
7.1b
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

rewrite116.0ms

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:
18.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
19.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
20.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
58.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

series703.0ms

Counts
4 → 12
Calls
4 calls:
94.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
47.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
52.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
509.0ms
(* (* (* -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
100 → 100
Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
0489993
12344770
25001770
done5001770

prune323.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 7.4b

localize18.0ms

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)))
7.1b
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))

rewrite78.0ms

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))))
18.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
19.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
30.0ms
(* (* -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:
461.0ms
(* (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))))
53.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
515.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))

simplify66.0ms

Counts
101 → 101
Iterations

Useful iterations: 2 (56.0ms)

IterNodesCost
05241240
12426964
25002963
done5002963

prune343.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 7.4b

localize22.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (cos (/ K 2.0)))
0.3b
(cbrt (cos (/ K 2.0)))
0.3b
(cbrt (cos (/ K 2.0)))
7.1b
(* (* (* (* -2.0 J) (* (cbrt (cos (/ K 2.0))) (cbrt (cos (/ K 2.0))))) (cbrt (cos (/ K 2.0)))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

rewrite389.0ms

Algorithm
rewrite-expression-head
Rules
29×pow1 add-exp-log
20×add-cbrt-cube
19×pow-prod-down prod-exp cbrt-unprod
cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u log1p-expm1-u add-log-exp
pow1/3 associate-*r*
associate-*l* *-commutative
Counts
4 → 71
Calls
4 calls:
1.0ms
(cbrt (cos (/ K 2.0)))
1.0ms
(cbrt (cos (/ K 2.0)))
1.0ms
(cbrt (cos (/ K 2.0)))
384.0ms
(* (* (* (* -2.0 J) (* (cbrt (cos (/ K 2.0))) (cbrt (cos (/ K 2.0))))) (cbrt (cos (/ K 2.0)))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

series959.0ms

Counts
4 → 12
Calls
4 calls:
142.0ms
(cbrt (cos (/ K 2.0)))
149.0ms
(cbrt (cos (/ K 2.0)))
149.0ms
(cbrt (cos (/ K 2.0)))
519.0ms
(* (* (* (* -2.0 J) (* (cbrt (cos (/ K 2.0))) (cbrt (cos (/ K 2.0))))) (cbrt (cos (/ K 2.0)))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

simplify63.0ms

Counts
83 → 83
Iterations

Useful iterations: 2 (48.0ms)

IterNodesCost
04221310
11793930
25001847
done5001847

prune315.0ms

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 7.4b

regimes282.0ms

Accuracy

0% (0.3b remaining)

Error of 8.0b against oracle of 7.8b and baseline of 8.0b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02414
12414
done2414

end0.0ms

sample1.6s

Algorithm
intervals
Results
594.0ms1581×body1280valid
314.0ms1245×body640valid
302.0ms4274×body80valid
111.0ms598×body320valid
39.0ms305×body160valid