Details

Time bar (total: 23.0s)

sample85.0ms

Algorithm
intervals
Results
35.0ms46×body1280valid
15.0ms42×body640valid
12.0ms132×body80valid
5.0ms21×body320valid
3.0ms15×body160valid

simplify2.8s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01724
13424
27124
313224
418924
530024
673124
7246224
done500024

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.9b

localize30.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
0.2b
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
6.4b
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
8.5b
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

rewrite472.0ms

Algorithm
rewrite-expression-head
Rules
32×add-exp-log
22×add-cbrt-cube
16×*-un-lft-identity
15×pow1
13×add-sqr-sqrt
12×add-cube-cbrt prod-exp
cbrt-unprod
sqrt-prod
unpow-prod-down associate-*r*
times-frac div-exp pow-prod-down
sqrt-div pow-exp add-log-exp
cbrt-undiv pow-unpow associate-/l*
flip3-+ associate-*r/ flip-+ div-inv distribute-lft-out
pow-to-exp rem-sqrt-square pow-pow frac-2neg sqrt-pow1 pow1/2 associate-*l* clear-num associate-/r* *-commutative sqr-pow
Counts
4 → 90
Calls
4 calls:
30.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
35.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
276.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
125.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

series807.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
189.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
264.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
246.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

simplify1.3s

Counts
102 → 102
Iterations

Useful iterations: 2 (320.0ms)

IterNodesCost
02142168
15311954
219531735
done50011735

prune583.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 9.1b

localize42.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
0.2b
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
6.5b
(* (* -2.0 J) (* (cos (/ K 2.0)) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))))
8.5b
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

rewrite801.0ms

Algorithm
rewrite-expression-head
Rules
35×add-exp-log
25×add-cbrt-cube
18×pow1
14×prod-exp
12×*-un-lft-identity
11×add-sqr-sqrt cbrt-unprod
10×add-cube-cbrt
pow-prod-down
unpow-prod-down
times-frac div-exp
sqrt-div associate-*r/ pow-exp sqrt-prod add-log-exp
cbrt-undiv pow-unpow associate-/l*
flip3-+ flip-+ div-inv
pow-to-exp rem-sqrt-square pow-pow frac-2neg sqrt-pow1 pow1/2 associate-*r* associate-*l* clear-num associate-/r* *-commutative distribute-lft-out sqr-pow
Counts
4 → 87
Calls
4 calls:
38.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
43.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
613.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))))
101.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

series937.0ms

Counts
4 → 12
Calls
4 calls:
170.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
212.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
302.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))))
252.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

simplify1.2s

Counts
99 → 99
Iterations

Useful iterations: 2 (348.0ms)

IterNodesCost
02122138
15221929
218431679
done50011679

prune498.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 9.1b

localize51.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
0.2b
(pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)
6.5b
(* (* -2.0 J) (* (cos (/ K 2.0)) (sqrt (+ 1.0 (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)))))
8.5b
(sqrt (+ 1.0 (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)))

rewrite425.0ms

Algorithm
rewrite-expression-head
Rules
63×times-frac
38×*-un-lft-identity
37×add-sqr-sqrt
36×add-cube-cbrt
35×add-exp-log
25×unpow-prod-down add-cbrt-cube
18×pow1
10×div-exp prod-exp
cbrt-unprod div-inv
pow-prod-down
associate-/l*
cbrt-undiv
sqrt-div associate-*r/ pow-exp sqrt-prod add-log-exp
pow-unpow associate-/r*
flip3-+ flip-+
pow-to-exp rem-sqrt-square pow-pow frac-2neg sqrt-pow1 pow1/2 associate-*r* associate-*l* clear-num *-commutative associate-/l/ distribute-lft-out sqr-pow
Counts
4 → 130
Calls
4 calls:
33.0ms
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
31.0ms
(pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)
248.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (sqrt (+ 1.0 (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)))))
101.0ms
(sqrt (+ 1.0 (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)))

series728.0ms

Counts
4 → 12
Calls
4 calls:
124.0ms
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
179.0ms
(pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)
238.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (sqrt (+ 1.0 (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)))))
186.0ms
(sqrt (+ 1.0 (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) 2.0)))

simplify1.4s

Counts
142 → 142
Iterations

Useful iterations: 2 (460.0ms)

IterNodesCost
02983126
17202885
221932633
done50002633

prune838.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 9.1b

localize37.0ms

Local error

Found 4 expressions with local error:

6.4b
(sqrt (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
6.4b
(sqrt (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
8.5b
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))
8.5b
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

rewrite431.0ms

Algorithm
rewrite-expression-head
Rules
32×sqrt-prod
18×*-un-lft-identity
16×add-sqr-sqrt
12×sqrt-div
10×pow1 add-cube-cbrt sqrt-pow1
rem-sqrt-square pow1/2
add-exp-log flip3-+ add-cbrt-cube flip-+ distribute-lft-out add-log-exp
Counts
4 → 76
Calls
4 calls:
82.0ms
(sqrt (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
133.0ms
(sqrt (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
96.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))
116.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

series1.1s

Counts
4 → 12
Calls
4 calls:
282.0ms
(sqrt (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
368.0ms
(sqrt (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
225.0ms
(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)))

simplify2.5s

Counts
88 → 88
Iterations

Useful iterations: done (2.5s)

IterNodesCost
0971968
11921666
24201604
311181598
434451592
done50001580

prune542.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 9.1b

regimes406.0ms

Accuracy

-20% (6.7b remaining)

Error of 18.9b against oracle of 12.1b and baseline of 17.7b

bsearch193.0ms

Steps
ItersRangePoint
9
-1.488607050460361e+122
-5.449253800430163e+114
-1.4686792642946565e+122
4
-4.94194543027164e+213
-3.284918449488842e+213
-3.44026472893723e+213

simplify6.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
03376
14653
done4653

end0.0ms

sample4.7s

Algorithm
intervals
Results
2.3s1528×body1280valid
869.0ms4294×body80valid
795.0ms1234×body640valid
299.0ms610×body320valid
87.0ms335×body160valid