Details

Time bar (total: 25.1s)

sample122.0ms

Algorithm
intervals
Results
38.0ms48×body1280valid
26.0ms46×body640valid
18.0ms128×body80valid
11.0ms26×body320valid
2.0msbody160valid

simplify2.9s

Counts
1 → 1
Iterations
IterNodes
done5000
63226
5495
4209
3135
272
134
017

prune16.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 17.9b

localize51.0ms

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)
6.6b
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
10.1b
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

rewrite269.0ms

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-*l* associate-*r/ *-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:
14.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
17.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
127.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
108.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

series719.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
228.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
233.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
196.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

simplify1.4s

Counts
108 → 108
Iterations
IterNodes
done5000
22432
1519
0200

prune740.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 6.9b

localize46.0ms

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)))
6.6b
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

rewrite128.0ms

Algorithm
rewrite-expression-head
Rules
32×add-cbrt-cube add-exp-log
23×pow1
15×prod-exp cbrt-unprod
12×pow-prod-down
add-sqr-sqrt *-un-lft-identity associate-*r* add-cube-cbrt
expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv times-frac div-exp associate-*l* *-commutative associate-/l*
clear-num associate-/r* frac-2neg div-inv
Counts
4 → 88
Calls
4 calls:
18.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
14.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
21.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
70.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

series1.0s

Counts
4 → 12
Calls
4 calls:
122.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
91.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
85.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
717.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

simplify1.4s

Counts
100 → 100
Iterations
IterNodes
done5000
23021
1499
0194

prune935.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 6.9b

localize55.0ms

Local error

Found 4 expressions with local error:

0.0b
(hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))
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)))
6.6b
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
33×times-frac
27×add-cbrt-cube add-exp-log
24×add-sqr-sqrt
22×*-un-lft-identity add-cube-cbrt
18×pow1
10×prod-exp cbrt-unprod
pow-prod-down
associate-/l*
cbrt-undiv div-exp div-inv
expm1-log1p-u associate-*r* associate-*l* log1p-expm1-u add-log-exp
associate-/r*
*-commutative
hypot-udef clear-num frac-2neg unswap-sqr associate-/l/
Counts
4 → 104
Calls
4 calls:
0.0ms
(hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))
7.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2))))
11.0ms
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
25.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))))

series2.1s

Counts
4 → 12
Calls
4 calls:
613.0ms
(hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))
615.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2))))
136.0ms
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
771.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))))

simplify1.4s

Counts
116 → 116
Iterations
IterNodes
done5000
23108
1639
0258

prune901.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 6.9b

localize94.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
0.2b
(* (* (* (* J -2.0) (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)))))
6.7b
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
6.7b
(sqrt (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2))))

rewrite249.0ms

Algorithm
rewrite-expression-head
Rules
33×times-frac
27×add-cbrt-cube add-exp-log
26×add-sqr-sqrt
24×*-un-lft-identity add-cube-cbrt
20×pow1
11×prod-exp cbrt-unprod
10×pow-prod-down
sqrt-prod
associate-/l*
associate-*r*
cbrt-undiv div-exp div-inv
expm1-log1p-u log1p-expm1-u add-log-exp
associate-/r*
rem-sqrt-square sqrt-pow1 pow1/2
clear-num frac-2neg associate-*l* *-commutative associate-/l/
Counts
4 → 109
Calls
4 calls:
23.0ms
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
218.0ms
(* (* (* (* J -2.0) (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)))))
1.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
1.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2))))

series2.9s

Counts
4 → 12
Calls
4 calls:
525.0ms
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
877.0ms
(* (* (* (* J -2.0) (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)))))
775.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
734.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2))))

simplify1.5s

Counts
121 → 121
Iterations
IterNodes
done5000
23387
1675
0274

prune1.2s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 6.9b

regimes732.0ms

Accuracy

0% (0.3b remaining)

Error of 8.1b against oracle of 7.8b and baseline of 8.1b

bsearch0.0ms

simplify5.0ms

Iterations
IterNodes
done24
124
019

end0.0ms

sample4.2s

Algorithm
intervals
Results
1.5s1509×body1280valid
1.1s4309×body80valid
855.0ms1244×body640valid
229.0ms618×body320valid
81.0ms325×body160valid