Details

Time bar (total: 30.3s)

sample212.0ms

Algorithm
intervals
Results
67.0ms49×body1280valid
64.0ms39×body640valid
37.0ms141×body80valid
15.0ms20×body320valid
3.0msbody160valid

simplify803.0ms

Counts
1 → 1
Iterations
IterNodes
52093
4624
3188
281
136
017

prune17.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.7b

localize41.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* -2 J) (cos (/ K 2)))
0.2b
(pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)
6.1b
(* (* (* -2 J) (cos (/ K 2))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))
8.5b
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))

rewrite379.0ms

Algorithm
rewrite-expression-head
Rules
28×add-exp-log
20×pow1
18×add-cbrt-cube
15×*-un-lft-identity
12×add-sqr-sqrt prod-exp
11×add-cube-cbrt
10×associate-*r*
pow-prod-down cbrt-unprod
sqrt-prod
unpow-prod-down
sqrt-div pow-exp insert-posit16 add-log-exp
pow-unpow times-frac div-exp
flip3-+ associate-*l* associate-*r/ *-commutative flip-+ distribute-lft-out
pow-to-exp rem-sqrt-square pow-pow sqrt-pow1 pow1/2 div-inv unpow2 sqr-pow
Counts
4 → 90
Calls
4 calls:
32.0ms
(* (* -2 J) (cos (/ K 2)))
37.0ms
(pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)
212.0ms
(* (* (* -2 J) (cos (/ K 2))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))
96.0ms
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))

series503.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(* (* -2 J) (cos (/ K 2)))
109.0ms
(pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)
191.0ms
(* (* (* -2 J) (cos (/ K 2))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))
146.0ms
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))

simplify3.2s

Counts
102 → 102
Iterations
IterNodes
35702
21419
1436
0179

prune1.3s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 11.1b

localize64.0ms

Local error

Found 4 expressions with local error:

0.1b
(* J (cos (/ K 2)))
0.2b
(* (/ (/ U 2) (* J (cos (/ K 2)))) (/ (/ U 2) (* J (cos (/ K 2)))))
6.2b
(* (* -2 J) (* (sqrt (+ 1 (* (/ (/ U 2) (* J (cos (/ K 2)))) (/ (/ U 2) (* J (cos (/ K 2))))))) (cos (/ K 2))))
8.5b
(sqrt (+ 1 (* (/ (/ U 2) (* J (cos (/ K 2)))) (/ (/ U 2) (* J (cos (/ K 2)))))))

rewrite114.0ms

Algorithm
rewrite-expression-head
Rules
148×add-cbrt-cube add-exp-log
88×times-frac
60×cbrt-undiv div-exp
54×prod-exp cbrt-unprod
44×add-sqr-sqrt
39×*-un-lft-identity add-cube-cbrt
26×pow1
21×associate-*r* associate-*l*
17×swap-sqr
10×pow-prod-down
div-inv
sqrt-div insert-posit16 add-log-exp
associate-*l/ associate-*r/ *-commutative sqrt-prod
flip3-+ flip-+ unswap-sqr
pow2 frac-times rem-sqrt-square sqrt-pow1 pow-plus pow1/2 pow-sqr pow-prod-up
Counts
4 → 179
Calls
4 calls:
14.0ms
(* J (cos (/ K 2)))
44.0ms
(* (/ (/ U 2) (* J (cos (/ K 2)))) (/ (/ U 2) (* J (cos (/ K 2)))))
42.0ms
(* (* -2 J) (* (sqrt (+ 1 (* (/ (/ U 2) (* J (cos (/ K 2)))) (/ (/ U 2) (* J (cos (/ K 2))))))) (cos (/ K 2))))
5.0ms
(sqrt (+ 1 (* (/ (/ U 2) (* J (cos (/ K 2)))) (/ (/ U 2) (* J (cos (/ K 2)))))))

series587.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(* J (cos (/ K 2)))
158.0ms
(* (/ (/ U 2) (* J (cos (/ K 2)))) (/ (/ U 2) (* J (cos (/ K 2)))))
219.0ms
(* (* -2 J) (* (sqrt (+ 1 (* (/ (/ U 2) (* J (cos (/ K 2)))) (/ (/ U 2) (* J (cos (/ K 2))))))) (cos (/ K 2))))
163.0ms
(sqrt (+ 1 (* (/ (/ U 2) (* J (cos (/ K 2)))) (/ (/ U 2) (* J (cos (/ K 2)))))))

simplify1.8s

Counts
191 → 191
Iterations
IterNodes
24490
11014
0327

prune2.6s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 7.5b

localize62.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (cos (/ K 2)))
0.3b
(cbrt (cos (/ K 2)))
6.1b
(* (* (* (* -2 J) (* (cbrt (cos (/ K 2))) (cbrt (cos (/ K 2))))) (cbrt (cos (/ K 2)))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))
8.5b
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))

rewrite585.0ms

Algorithm
rewrite-expression-head
Rules
30×pow1
29×add-exp-log
20×add-cbrt-cube
19×pow-prod-down prod-exp cbrt-unprod
13×*-un-lft-identity
10×add-sqr-sqrt
add-cube-cbrt
sqrt-prod
associate-*r*
cbrt-prod
sqrt-div insert-posit16 add-log-exp
flip3-+ pow1/3 associate-*r/ flip-+ distribute-lft-out
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* *-commutative
Counts
4 → 78
Calls
4 calls:
1.0ms
(cbrt (cos (/ K 2)))
1.0ms
(cbrt (cos (/ K 2)))
487.0ms
(* (* (* (* -2 J) (* (cbrt (cos (/ K 2))) (cbrt (cos (/ K 2))))) (cbrt (cos (/ K 2)))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))
96.0ms
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))

series665.0ms

Counts
4 → 12
Calls
4 calls:
170.0ms
(cbrt (cos (/ K 2)))
146.0ms
(cbrt (cos (/ K 2)))
208.0ms
(* (* (* (* -2 J) (* (cbrt (cos (/ K 2))) (cbrt (cos (/ K 2))))) (cbrt (cos (/ K 2)))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))
141.0ms
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))

simplify4.6s

Counts
90 → 90
Iterations
IterNodes
37230
21463
1375
0147

prune1.4s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 7.5b

localize68.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (cbrt (cos (/ K 2))))
0.3b
(cbrt (cbrt (cos (/ K 2))))
6.1b
(* (* (* (* -2 J) (* (cbrt (cos (/ K 2))) (cbrt (cos (/ K 2))))) (* (* (cbrt (cbrt (cos (/ K 2)))) (cbrt (cbrt (cos (/ K 2))))) (cbrt (cbrt (cos (/ K 2)))))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))
8.5b
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))

rewrite774.0ms

Algorithm
rewrite-expression-head
Rules
91×pow1
90×add-exp-log
70×pow-prod-down prod-exp cbrt-unprod
58×add-cbrt-cube
18×cbrt-prod
15×*-un-lft-identity
12×add-sqr-sqrt
11×add-cube-cbrt
sqrt-prod
associate-*r*
sqrt-div insert-posit16 add-log-exp
flip3-+ pow1/3 associate-*r/ flip-+ distribute-lft-out
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* *-commutative
Counts
4 → 114
Calls
4 calls:
1.0ms
(cbrt (cbrt (cos (/ K 2))))
1.0ms
(cbrt (cbrt (cos (/ K 2))))
686.0ms
(* (* (* (* -2 J) (* (cbrt (cos (/ K 2))) (cbrt (cos (/ K 2))))) (* (* (cbrt (cbrt (cos (/ K 2)))) (cbrt (cbrt (cos (/ K 2))))) (cbrt (cbrt (cos (/ K 2)))))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))
82.0ms
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))

series638.0ms

Counts
4 → 12
Calls
4 calls:
163.0ms
(cbrt (cbrt (cos (/ K 2))))
168.0ms
(cbrt (cbrt (cos (/ K 2))))
191.0ms
(* (* (* (* -2 J) (* (cbrt (cos (/ K 2))) (cbrt (cos (/ K 2))))) (* (* (cbrt (cbrt (cos (/ K 2)))) (cbrt (cbrt (cos (/ K 2))))) (cbrt (cbrt (cos (/ K 2)))))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))
116.0ms
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))

simplify1.2s

Counts
126 → 126
Iterations
IterNodes
22579
1550
0207

prune2.1s

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 7.5b

regimes720.0ms

Accuracy

88% (1.0b remaining)

Error of 9.7b against oracle of 8.7b and baseline of 17.2b

bsearch3.0ms

simplify12.0ms

Iterations
IterNodes
247
147
032

end0.0ms

sample5.9s

Algorithm
intervals
Results
2.5s1499×body1280valid
1.4s4296×body80valid
1.2s1279×body640valid
444.0ms635×body320valid
162.0ms295×body160valid