Details

Time bar (total: 26.1s)

sample194.0ms

Algorithm
intervals
Results
60.0ms45×body1280valid
52.0ms39×body640valid
34.0ms138×body80valid
15.0ms21×body320valid
7.0ms13×body160valid

simplify2.6s

Counts
1 → 1
Iterations
IterNodes
done5025
54486
4782
3215
281
136
017

prune16.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.1b

localize34.0ms

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)
8.3b
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
9.7b
(* (* (* -2 J) (cos (/ K 2))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))

rewrite299.0ms

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)))
27.0ms
(pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)
89.0ms
(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))))

series531.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(* (* -2 J) (cos (/ K 2)))
126.0ms
(pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)
168.0ms
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
189.0ms
(* (* (* -2 J) (cos (/ K 2))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))

simplify1.8s

Counts
102 → 102
Iterations
IterNodes
done5000
21519
1485
0179

prune627.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 13.2b

localize44.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* (cos (/ K 2)) 2) J)
0.2b
(* (/ U (* (* (cos (/ K 2)) 2) J)) (/ U (* (* (cos (/ K 2)) 2) J)))
8.3b
(sqrt (+ (* (/ U (* (* (cos (/ K 2)) 2) J)) (/ U (* (* (cos (/ K 2)) 2) J))) 1))
9.7b
(* (* -2 J) (* (sqrt (+ (* (/ U (* (* (cos (/ K 2)) 2) J)) (/ U (* (* (cos (/ K 2)) 2) J))) 1)) (cos (/ K 2))))

rewrite679.0ms

Algorithm
rewrite-expression-head
Rules
101×add-cbrt-cube add-exp-log
51×prod-exp cbrt-unprod
29×pow1
24×cbrt-undiv div-exp
17×add-sqr-sqrt
14×*-un-lft-identity add-cube-cbrt
12×times-frac pow-prod-down
11×associate-*r*
associate-*l*
swap-sqr
sqrt-div insert-posit16 div-inv add-log-exp
associate-*l/ associate-*r/ *-commutative sqrt-prod
flip3-+ flip-+
pow2 frac-times rem-sqrt-square sqrt-pow1 pow-plus pow1/2 pow-sqr pow-prod-up unswap-sqr
Counts
4 → 131
Calls
4 calls:
31.0ms
(* (* (cos (/ K 2)) 2) J)
112.0ms
(* (/ U (* (* (cos (/ K 2)) 2) J)) (/ U (* (* (cos (/ K 2)) 2) J)))
176.0ms
(sqrt (+ (* (/ U (* (* (cos (/ K 2)) 2) J)) (/ U (* (* (cos (/ K 2)) 2) J))) 1))
356.0ms
(* (* -2 J) (* (sqrt (+ (* (/ U (* (* (cos (/ K 2)) 2) J)) (/ U (* (* (cos (/ K 2)) 2) J))) 1)) (cos (/ K 2))))

series601.0ms

Counts
4 → 12
Calls
4 calls:
95.0ms
(* (* (cos (/ K 2)) 2) J)
159.0ms
(* (/ U (* (* (cos (/ K 2)) 2) J)) (/ U (* (* (cos (/ K 2)) 2) J)))
124.0ms
(sqrt (+ (* (/ U (* (* (cos (/ K 2)) 2) J)) (/ U (* (* (cos (/ K 2)) 2) J))) 1))
223.0ms
(* (* -2 J) (* (sqrt (+ (* (/ U (* (* (cos (/ K 2)) 2) J)) (/ U (* (* (cos (/ K 2)) 2) J))) 1)) (cos (/ K 2))))

simplify3.0s

Counts
143 → 143
Iterations
IterNodes
done5003
23237
1712
0237

prune691.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 8.0b

localize65.0ms

Local error

Found 4 expressions with local error:

8.3b
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
8.3b
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
9.8b
(sqrt (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))
9.8b
(sqrt (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))

rewrite374.0ms

Algorithm
rewrite-expression-head
Rules
32×sqrt-prod
18×*-un-lft-identity
16×add-sqr-sqrt
12×sqrt-div
10×pow1 sqrt-pow1 add-cube-cbrt
rem-sqrt-square pow1/2
flip3-+ add-cbrt-cube add-exp-log flip-+ insert-posit16 distribute-lft-out add-log-exp
Counts
4 → 80
Calls
4 calls:
71.0ms
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
80.0ms
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
103.0ms
(sqrt (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))
119.0ms
(sqrt (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))

series827.0ms

Counts
4 → 12
Calls
4 calls:
147.0ms
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
160.0ms
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
278.0ms
(sqrt (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))
242.0ms
(sqrt (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))

simplify2.1s

Counts
92 → 92
Iterations
IterNodes
done5004
31614
2439
1178
092

prune818.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 8.0b

localize78.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (cos (/ K 2)))
0.3b
(cbrt (cos (/ K 2)))
8.3b
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
9.7b
(* (* (* (* -2 J) (* (cbrt (cos (/ K 2))) (cbrt (cos (/ K 2))))) (cbrt (cos (/ K 2)))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))

rewrite607.0ms

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)))
71.0ms
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
533.0ms
(* (* (* (* -2 J) (* (cbrt (cos (/ K 2))) (cbrt (cos (/ K 2))))) (cbrt (cos (/ K 2)))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))

series675.0ms

Counts
4 → 12
Calls
4 calls:
133.0ms
(cbrt (cos (/ K 2)))
187.0ms
(cbrt (cos (/ K 2)))
164.0ms
(sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2)))
192.0ms
(* (* (* (* -2 J) (* (cbrt (cos (/ K 2))) (cbrt (cos (/ K 2))))) (cbrt (cos (/ K 2)))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))

simplify2.0s

Counts
90 → 90
Iterations
IterNodes
done5006
21460
1379
0147

prune552.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 8.0b

regimes723.0ms

Accuracy

83.1% (1.4b remaining)

Error of 9.7b against oracle of 8.2b and baseline of 16.6b

bsearch4.0ms

simplify23.0ms

Iterations
IterNodes
done48
148
032

end0.0ms

sample6.2s

Algorithm
intervals
Results
2.5s1479×body1280valid
1.3s1250×body640valid
1.1s4309×body80valid
847.0ms625×body320valid
193.0ms337×body160valid