Details

Time bar (total: 28.2s)

sample205.0ms

Algorithm
intervals
Results
78.0ms63×body1280valid
37.0ms134×body80valid
35.0ms35×body640valid
9.0ms15×body320valid
5.0msbody160valid

simplify1.0s

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

prune25.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.3b

localize37.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ U (* (* 2 J) (cos (/ K 2))))
0.2b
(pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)
6.6b
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
6.6b
(* (* (* -2 J) (cos (/ K 2))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))

rewrite284.0ms

Algorithm
rewrite-expression-head
Rules
32×add-exp-log
22×add-cbrt-cube
16×*-un-lft-identity
15×pow1
13×add-sqr-sqrt
12×prod-exp add-cube-cbrt
cbrt-unprod
sqrt-prod
unpow-prod-down associate-*r*
times-frac div-exp pow-prod-down
sqrt-div pow-exp insert-posit16 add-log-exp
cbrt-undiv pow-unpow associate-/l*
flip3-+ associate-*r/ flip-+ div-inv distribute-lft-out
pow-to-exp rem-sqrt-square clear-num associate-/r* pow-pow frac-2neg sqrt-pow1 pow1/2 associate-*l* *-commutative unpow2 sqr-pow
Counts
4 → 95
Calls
4 calls:
28.0ms
(/ U (* (* 2 J) (cos (/ K 2))))
35.0ms
(pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)
71.0ms
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
149.0ms
(* (* (* -2 J) (cos (/ K 2))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))

series621.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(/ U (* (* 2 J) (cos (/ K 2))))
133.0ms
(pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)
161.0ms
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
203.0ms
(* (* (* -2 J) (cos (/ K 2))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))

simplify983.0ms

Counts
107 → 107
Iterations
IterNodes
22073
1517
0197

prune1.3s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 9.9b

localize60.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ U (* (* (cos (/ K 2)) J) 2))
0.2b
(* (/ U (* (* (cos (/ K 2)) J) 2)) (/ U (* (* (cos (/ K 2)) J) 2)))
6.6b
(sqrt (+ (* (/ U (* (* (cos (/ K 2)) J) 2)) (/ U (* (* (cos (/ K 2)) J) 2))) 1))
6.7b
(* (* -2 J) (* (sqrt (+ (* (/ U (* (* (cos (/ K 2)) J) 2)) (/ U (* (* (cos (/ K 2)) J) 2))) 1)) (cos (/ K 2))))

rewrite611.0ms

Algorithm
rewrite-expression-head
Rules
105×add-cbrt-cube add-exp-log
51×prod-exp cbrt-unprod
27×cbrt-undiv div-exp
24×pow1
18×add-sqr-sqrt
15×*-un-lft-identity times-frac add-cube-cbrt
pow-prod-down
associate-*r* associate-*l*
swap-sqr
div-inv
sqrt-div insert-posit16 add-log-exp
associate-*l/ associate-*r/ sqrt-prod associate-/l*
flip3-+ *-commutative flip-+
pow2 frac-times rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 pow-plus pow1/2 pow-sqr pow-prod-up unswap-sqr
Counts
4 → 136
Calls
4 calls:
14.0ms
(/ U (* (* (cos (/ K 2)) J) 2))
117.0ms
(* (/ U (* (* (cos (/ K 2)) J) 2)) (/ U (* (* (cos (/ K 2)) J) 2)))
153.0ms
(sqrt (+ (* (/ U (* (* (cos (/ K 2)) J) 2)) (/ U (* (* (cos (/ K 2)) J) 2))) 1))
322.0ms
(* (* -2 J) (* (sqrt (+ (* (/ U (* (* (cos (/ K 2)) J) 2)) (/ U (* (* (cos (/ K 2)) J) 2))) 1)) (cos (/ K 2))))

series636.0ms

Counts
4 → 12
Calls
4 calls:
101.0ms
(/ U (* (* (cos (/ K 2)) J) 2))
146.0ms
(* (/ U (* (* (cos (/ K 2)) J) 2)) (/ U (* (* (cos (/ K 2)) J) 2)))
155.0ms
(sqrt (+ (* (/ U (* (* (cos (/ K 2)) J) 2)) (/ U (* (* (cos (/ K 2)) J) 2))) 1))
233.0ms
(* (* -2 J) (* (sqrt (+ (* (/ U (* (* (cos (/ K 2)) J) 2)) (/ U (* (* (cos (/ K 2)) J) 2))) 1)) (cos (/ K 2))))

simplify1.4s

Counts
148 → 148
Iterations
IterNodes
23120
1690
0235

prune2.1s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 7.3b

localize78.0ms

Local error

Found 4 expressions with local error:

6.7b
(* (* -2 J) (* (sqrt (+ (* (/ U (* (* (cos (/ K 2)) J) 2)) (* (* (cbrt (/ U (* (* (cos (/ K 2)) J) 2))) (cbrt (/ U (* (* (cos (/ K 2)) J) 2)))) (cbrt (/ U (* (* (cos (/ K 2)) J) 2))))) 1)) (cos (/ K 2))))
15.5b
(cbrt (/ U (* (* (cos (/ K 2)) J) 2)))
15.5b
(cbrt (/ U (* (* (cos (/ K 2)) J) 2)))
15.5b
(cbrt (/ U (* (* (cos (/ K 2)) J) 2)))

rewrite1.0s

Algorithm
rewrite-expression-head
Rules
21×cbrt-prod
16×pow1 add-cbrt-cube add-exp-log
10×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
times-frac
pow-prod-down prod-exp cbrt-unprod
insert-posit16 add-log-exp
cbrt-div pow1/3 div-inv
sqrt-div associate-*l/ associate-*r/
flip3-+ associate-*r* associate-*l* *-commutative flip-+
Counts
4 → 76
Calls
4 calls:
954.0ms
(* (* -2 J) (* (sqrt (+ (* (/ U (* (* (cos (/ K 2)) J) 2)) (* (* (cbrt (/ U (* (* (cos (/ K 2)) J) 2))) (cbrt (/ U (* (* (cos (/ K 2)) J) 2)))) (cbrt (/ U (* (* (cos (/ K 2)) J) 2))))) 1)) (cos (/ K 2))))
22.0ms
(cbrt (/ U (* (* (cos (/ K 2)) J) 2)))
23.0ms
(cbrt (/ U (* (* (cos (/ K 2)) J) 2)))
23.0ms
(cbrt (/ U (* (* (cos (/ K 2)) J) 2)))

series1.0s

Counts
4 → 12
Calls
4 calls:
311.0ms
(* (* -2 J) (* (sqrt (+ (* (/ U (* (* (cos (/ K 2)) J) 2)) (* (* (cbrt (/ U (* (* (cos (/ K 2)) J) 2))) (cbrt (/ U (* (* (cos (/ K 2)) J) 2)))) (cbrt (/ U (* (* (cos (/ K 2)) J) 2))))) 1)) (cos (/ K 2))))
228.0ms
(cbrt (/ U (* (* (cos (/ K 2)) J) 2)))
264.0ms
(cbrt (/ U (* (* (cos (/ K 2)) J) 2)))
243.0ms
(cbrt (/ U (* (* (cos (/ K 2)) J) 2)))

simplify2.0s

Counts
88 → 88
Iterations
IterNodes
34352
21010
1328
0141

prune1.5s

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 7.3b

localize83.0ms

Local error

Found 4 expressions with local error:

7.8b
(sqrt (* (cbrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))) (cbrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))))
11.7b
(cbrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
11.7b
(cbrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
11.7b
(cbrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))

rewrite217.0ms

Algorithm
rewrite-expression-head
Rules
18×cbrt-div
13×*-un-lft-identity
12×cbrt-prod pow1
sqrt-pow1 flip3-+ pow1/3 flip-+
sqrt-div
add-sqr-sqrt add-cube-cbrt
frac-times add-cbrt-cube add-exp-log insert-posit16 add-log-exp
distribute-lft-out
pow-prod-down associate-*l/ associate-*r/ pow-sqr pow-prod-up
pow2 rem-sqrt-square pow-plus pow1/2 sqrt-prod
Counts
4 → 73
Calls
4 calls:
73.0ms
(sqrt (* (cbrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))) (cbrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))))
50.0ms
(cbrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
58.0ms
(cbrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
36.0ms
(cbrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))

series1.2s

Counts
4 → 12
Calls
4 calls:
290.0ms
(sqrt (* (cbrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))) (cbrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))))
318.0ms
(cbrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
335.0ms
(cbrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
264.0ms
(cbrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))

simplify3.4s

Counts
85 → 85
Iterations
IterNodes
45957
31046
2381
1199
0115

prune1.7s

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 7.3b

regimes723.0ms

Accuracy

85.4% (1.3b remaining)

Error of 9.9b against oracle of 8.6b and baseline of 17.4b

bsearch3.0ms

simplify6.0ms

Iterations
IterNodes
235
135
024

end0.0ms

sample5.9s

Algorithm
intervals
Results
2.4s1543×body1280valid
1.4s4254×body80valid
1.3s1260×body640valid
452.0ms635×body320valid
154.0ms310×body160valid