Details

Time bar (total: 24.0s)

sample118.0ms

Algorithm
intervals
Results
33.0ms45×body1280valid
24.0ms45×body640valid
18.0ms123×body80valid
12.0ms30×body320valid
4.0ms13×body160valid

simplify3.0s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01724
13424
27224
313324
419424
531524
675424
7253924
done500124

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.2b

localize19.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* -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)))

rewrite418.0ms

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:
33.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
26.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
229.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
127.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

series847.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
254.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
257.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
259.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

simplify1.6s

Counts
108 → 108
Iterations

Useful iterations: 2 (411.0ms)

IterNodesCost
02012139
14521925
214791736
done50011736

prune548.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 7.7b

localize45.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
0.2b
(* (* 2.0 J) (cos (/ K 2.0)))
0.2b
(* (* -2.0 J) (cos (/ K 2.0)))
7.4b
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

rewrite169.0ms

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:
19.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
20.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
32.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
94.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

series922.0ms

Counts
4 → 12
Calls
4 calls:
119.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
56.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
53.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
693.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

simplify1.6s

Counts
100 → 100
Iterations

Useful iterations: 2 (481.0ms)

IterNodesCost
01931843
14781816
218991415
done50001415

prune514.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 7.7b

localize48.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
0.1b
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
0.2b
(* (* 2.0 J) (cos (/ K 2.0)))
7.4b
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))

rewrite130.0ms

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:
37.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
22.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
38.0ms
(* (* 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)))))

series1.6s

Counts
4 → 12
Calls
4 calls:
171.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
671.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
68.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
720.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))

simplify1.7s

Counts
101 → 101
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02062273
15092248
219561753
done50001752

prune633.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 7.6b

localize35.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* -2.0 J) (cos (/ K 2.0)))
0.2b
(* (* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))
7.4b
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
7.4b
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

rewrite351.0ms

Algorithm
rewrite-expression-head
Rules
25×pow1
23×add-exp-log add-cbrt-cube
13×pow-prod-down prod-exp cbrt-unprod
11×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity associate-*r* sqrt-prod
expm1-log1p-u log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* *-commutative
Counts
4 → 79
Calls
4 calls:
19.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
327.0ms
(* (* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))
1.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
1.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

series2.4s

Counts
4 → 12
Calls
4 calls:
96.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
868.0ms
(* (* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))
754.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
727.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

simplify1.8s

Counts
91 → 91
Iterations

Useful iterations: 2 (283.0ms)

IterNodesCost
01523025
13702316
214001857
done50011857

prune456.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 7.6b

regimes477.0ms

Accuracy

0% (0.3b remaining)

Error of 7.9b against oracle of 7.6b and baseline of 7.9b

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01926
12426
done2426

end0.0ms

sample4.4s

Algorithm
intervals
Results
1.7s1517×body1280valid
876.0ms1196×body640valid
673.0ms4369×body80valid
560.0ms316×body160valid
216.0ms604×body320valid