Details

Time bar (total: 25.4s)

sample138.0ms

Algorithm
intervals
Results
50.0ms58×body1280valid
30.0ms46×body640valid
17.0ms113×body80valid
12.0ms28×body320valid
3.0ms11×body160valid

simplify3.0s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01724
13424
27224
313324
419424
531524
675424
7253924
done500124

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 19.2b

localize19.0ms

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)
7.8b
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
10.0b
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

rewrite457.0ms

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:
40.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
48.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
211.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
141.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

series822.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
239.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
295.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
222.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

simplify1.5s

Counts
108 → 108
Iterations

Useful iterations: 2 (324.0ms)

IterNodesCost
02012139
14521925
214791736
done50011736

prune540.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 8.1b

localize34.0ms

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)))
7.8b
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

rewrite156.0ms

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:
27.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
22.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
21.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
83.0ms
(* (* (* -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:
123.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
83.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
77.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
768.0ms
(* (* (* -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
100 → 100
Iterations

Useful iterations: 2 (428.0ms)

IterNodesCost
01931843
14781816
218991415
done50001415

prune493.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 8.1b

localize23.0ms

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)))
7.8b
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))

rewrite127.0ms

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:
11.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
20.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
34.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
57.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))

series1.7s

Counts
4 → 12
Calls
4 calls:
750.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
138.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
83.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
777.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))

simplify2.0s

Counts
101 → 101
Iterations

Useful iterations: done (2.0s)

IterNodesCost
02062273
15092248
219491753
done50001752

prune613.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 8.1b

localize45.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))
0.1b
(* (* (* (* -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)))))
7.8b
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
7.8b
(sqrt (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
27×add-exp-log add-cbrt-cube
16×pow-prod-down prod-exp cbrt-unprod
12×add-sqr-sqrt associate-*r* sqrt-prod
10×add-cube-cbrt *-un-lft-identity
expm1-log1p-u log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* *-commutative
Counts
4 → 85
Calls
4 calls:
66.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))
314.0ms
(* (* (* (* -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)))))
3.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
3.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

series3.2s

Counts
4 → 12
Calls
4 calls:
850.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))
819.0ms
(* (* (* (* -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)))))
818.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
760.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

simplify1.9s

Counts
97 → 97
Iterations

Useful iterations: 2 (280.0ms)

IterNodesCost
01563825
13923009
214782451
done50002451

prune643.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 8.1b

regimes508.0ms

Accuracy

0% (0.3b remaining)

Error of 8.2b against oracle of 7.9b and baseline of 8.2b

bsearch0.0ms

simplify7.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01926
12426
done2426

end0.0ms

sample4.1s

Algorithm
intervals
Results
1.2s1285×body640valid
1.2s1445×body1280valid
836.0ms4305×body80valid
333.0ms653×body320valid
79.0ms314×body160valid