Details

Time bar (total: 22.2s)

sample166.0ms

Algorithm
intervals
Results
54.0ms44×body640valid
49.0ms49×body1280valid
25.0ms129×body80valid
16.0ms27×body320valid
2.0msbody160valid

simplify994.0ms

Counts
1 → 1
Iterations
IterNodes
done2093
52093
4843
3216
285
136
017

prune16.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.7b

localize25.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ U (* (* 2 J) (cos (/ K 2))))
0.2b
(* (cos (/ K 2)) (* -2 J))
0.2b
(* (* 2 J) (cos (/ K 2)))
5.7b
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

rewrite119.0ms

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 add-cube-cbrt
associate-*l*
associate-*r*
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv times-frac div-exp *-commutative associate-/l*
clear-num associate-/r* frac-2neg div-inv
Counts
4 → 92
Calls
4 calls:
29.0ms
(/ U (* (* 2 J) (cos (/ K 2))))
31.0ms
(* (cos (/ K 2)) (* -2 J))
17.0ms
(* (* 2 J) (cos (/ K 2)))
40.0ms
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

series611.0ms

Counts
4 → 12
Calls
4 calls:
120.0ms
(/ U (* (* 2 J) (cos (/ K 2))))
66.0ms
(* (cos (/ K 2)) (* -2 J))
71.0ms
(* (* 2 J) (cos (/ K 2)))
354.0ms
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (cos (/ K 2)) (* -2 J)))

simplify1.4s

Counts
104 → 104
Iterations
IterNodes
done2090
32090
21564
1413
0161

prune1.2s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 2.6b

localize43.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* 2 J) (cos (/ K 2)))
0.2b
(* (* 2 J) (cos (/ K 2)))
5.7b
(sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))
5.7b
(sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
16×pow1
14×add-cbrt-cube add-exp-log
10×add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
associate-*r* pow-prod-down prod-exp sqrt-prod cbrt-unprod
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* *-commutative
Counts
4 → 74
Calls
4 calls:
40.0ms
(* (* 2 J) (cos (/ K 2)))
31.0ms
(* (* 2 J) (cos (/ K 2)))
3.0ms
(sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))
3.0ms
(sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))

series590.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(* (* 2 J) (cos (/ K 2)))
59.0ms
(* (* 2 J) (cos (/ K 2)))
235.0ms
(sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))
235.0ms
(sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))

simplify1.2s

Counts
86 → 86
Iterations
IterNodes
done2003
42003
31348
2403
1144
070

prune1.3s

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 2.6b

localize80.0ms

Local error

Found 4 expressions with local error:

5.7b
(sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))
5.9b
(cbrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))
5.9b
(cbrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))
5.9b
(cbrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
pow1/3 sqrt-prod
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 58
Calls
4 calls:
2.0ms
(sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))
1.0ms
(cbrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))
1.0ms
(cbrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))
2.0ms
(cbrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))

series1.4s

Counts
4 → 12
Calls
4 calls:
241.0ms
(sqrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))
381.0ms
(cbrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))
385.0ms
(cbrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))
358.0ms
(cbrt (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))))

simplify999.0ms

Counts
70 → 70
Iterations
IterNodes
done2000
42000
3606
2216
1107
064

prune1.4s

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 2.6b

localize52.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (cos (/ K 2)))
0.3b
(cbrt (cos (/ K 2)))
0.3b
(cbrt (cos (/ K 2)))
5.7b
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (* (cbrt (cos (/ K 2))) (cbrt (cos (/ K 2)))) (* (cbrt (cos (/ K 2))) (* -2 J))))

rewrite199.0ms

Algorithm
rewrite-expression-head
Rules
33×pow1 add-exp-log
23×add-cbrt-cube
22×pow-prod-down prod-exp cbrt-unprod
cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
pow1/3 associate-*l*
associate-*r* *-commutative
Counts
4 → 78
Calls
4 calls:
1.0ms
(cbrt (cos (/ K 2)))
1.0ms
(cbrt (cos (/ K 2)))
1.0ms
(cbrt (cos (/ K 2)))
195.0ms
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (* (cbrt (cos (/ K 2))) (cbrt (cos (/ K 2)))) (* (cbrt (cos (/ K 2))) (* -2 J))))

series803.0ms

Counts
4 → 12
Calls
4 calls:
187.0ms
(cbrt (cos (/ K 2)))
127.0ms
(cbrt (cos (/ K 2)))
148.0ms
(cbrt (cos (/ K 2)))
339.0ms
(* (hypot 1 (/ U (* (* 2 J) (cos (/ K 2))))) (* (* (cbrt (cos (/ K 2))) (cbrt (cos (/ K 2)))) (* (cbrt (cos (/ K 2))) (* -2 J))))

simplify1.2s

Counts
90 → 90
Iterations
IterNodes
done2000
32000
21283
1327
0123

prune1.3s

Pruning

10 alts after pruning (6 fresh and 4 done)

Merged error: 2.6b

regimes572.0ms

Accuracy

0% (3.9b remaining)

Error of 7.3b against oracle of 3.4b and baseline of 7.3b

bsearch0.0ms

simplify5.0ms

Iterations
IterNodes
done22
122
015

end0.0ms

sample6.4s

Algorithm
intervals
Results
2.1s1402×body1280valid
1.7s1282×body640valid
1.6s4329×body80valid
600.0ms656×body320valid
162.0ms340×body160valid