Details

Time bar (total: 24.8s)

sample117.0ms

Algorithm
intervals
Results
36.0ms51×body1280valid
23.0ms47×body640valid
17.0ms127×body80valid
10.0ms22×body320valid
3.0msbody160valid

simplify2.7s

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: 18.1b

localize38.0ms

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)
7.1b
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
9.9b
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

rewrite274.0ms

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:
15.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
25.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
156.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
76.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

series788.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
194.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
305.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
230.0ms
(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

prune864.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 7.4b

localize52.0ms

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)))
7.1b
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

rewrite146.0ms

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:
19.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
23.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
15.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
87.0ms
(* (* (* -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:
124.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
90.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
63.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
742.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

simplify1.5s

Counts
100 → 100
Iterations
IterNodes
done5000
23021
1499
0194

prune791.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 7.4b

localize31.0ms

Local error

Found 3 expressions with local error:

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)))
7.1b
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
33×times-frac
26×add-cbrt-cube add-exp-log
23×add-sqr-sqrt
21×*-un-lft-identity add-cube-cbrt
17×pow1
10×prod-exp cbrt-unprod
pow-prod-down
associate-/l*
cbrt-undiv div-exp div-inv
associate-*r* associate-*l*
expm1-log1p-u associate-/r* log1p-expm1-u add-log-exp
*-commutative
clear-num frac-2neg unswap-sqr associate-/l/
Counts
3 → 94
Calls
3 calls:
6.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2))))
12.0ms
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
24.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))))

series1.6s

Counts
3 → 9
Calls
3 calls:
698.0ms
(* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2))))
130.0ms
(/ (/ U (* 2.0 J)) (cos (/ K 2.0)))
758.0ms
(* (* -2.0 J) (* (cos (/ K 2.0)) (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))))

simplify2.4s

Counts
103 → 103
Iterations
IterNodes
done5001
23075
1613
0245

prune752.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 7.4b

localize46.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* (* (* 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)))))
0.1b
(* (* (* J -2.0) (cos (/ K 2.0))) (sqrt (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))))
7.1b
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
7.1b
(sqrt (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2))))

rewrite314.0ms

Algorithm
rewrite-expression-head
Rules
29×pow1
27×add-cbrt-cube add-exp-log
16×pow-prod-down prod-exp cbrt-unprod
12×add-sqr-sqrt associate-*r* sqrt-prod
10×*-un-lft-identity add-cube-cbrt
expm1-log1p-u log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* *-commutative
Counts
4 → 85
Calls
4 calls:
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)))))
89.0ms
(* (* (* J -2.0) (cos (/ K 2.0))) (sqrt (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))))
2.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
2.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2))))

series3.2s

Counts
4 → 12
Calls
4 calls:
917.0ms
(* (* (* (* 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)))))
789.0ms
(* (* (* J -2.0) (cos (/ K 2.0))) (sqrt (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2)))))
767.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
693.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ (/ U (* 2.0 J)) (cos (/ K 2.0))) (/ 2.0 2))))

simplify1.1s

Counts
97 → 97
Iterations
IterNodes
done5000
22336
1454
0183

prune749.0ms

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 7.4b

regimes745.0ms

Accuracy

0% (0.3b remaining)

Error of 7.8b against oracle of 7.5b and baseline of 7.8b

bsearch0.0ms

simplify6.0ms

Iterations
IterNodes
done24
124
019

end0.0ms

sample4.1s

Algorithm
intervals
Results
1.5s1469×body1280valid
1.1s1311×body640valid
784.0ms4324×body80valid
221.0ms602×body320valid
80.0ms296×body160valid