Details

Time bar (total: 1.3m)

sample210.0ms

Algorithm
intervals
Results
78.0ms40×body1280valid
48.0ms42×body640valid
43.0ms146×body80valid
11.0ms13×body320valid
9.0ms15×body160valid

simplify300.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
300.0ms
(* (* (* -2 J) (cos (/ K 2))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))

prune19.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.6b

localize27.0ms

Local error

Found 4 expressions with local error:

7.6b
(* (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))) (* (cos (/ K 2)) (* -2 J)))
0.1b
(/ U (* J (* (cos (/ K 2)) 2)))
0.1b
(* J (* (cos (/ K 2)) 2))
0.1b
(* (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 associate-*l* add-cube-cbrt
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv times-frac div-exp associate-*r* *-commutative associate-/l*
clear-num associate-/r* frac-2neg div-inv
Counts
4 → 92
Calls
4 calls:
Slowest
67.0ms
(* (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))) (* (cos (/ K 2)) (* -2 J)))
24.0ms
(* (cos (/ K 2)) (* -2 J))
14.0ms
(* J (* (cos (/ K 2)) 2))
12.0ms
(/ U (* J (* (cos (/ K 2)) 2)))

series650.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
358.0ms
(* (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))) (* (cos (/ K 2)) (* -2 J)))
133.0ms
(/ U (* J (* (cos (/ K 2)) 2)))
84.0ms
(* (cos (/ K 2)) (* -2 J))
75.0ms
(* J (* (cos (/ K 2)) 2))

simplify13.0s

Counts
105 → 104
Calls
105 calls:
Slowest
621.0ms
(* (* (* J (* (cos (/ K 2)) 2)) (* J (* (cos (/ K 2)) 2))) (* J (* (cos (/ K 2)) 2)))
550.0ms
(* (* (* (cos (/ K 2)) (cos (/ K 2))) (cos (/ K 2))) (* (* (* -2 J) (* -2 J)) (* -2 J)))
536.0ms
(* (* (* (cos (/ K 2)) (* -2 J)) (* (cos (/ K 2)) (* -2 J))) (* (cos (/ K 2)) (* -2 J)))
465.0ms
(* (* (* J J) J) (* (* (* (cos (/ K 2)) 2) (* (cos (/ K 2)) 2)) (* (cos (/ K 2)) 2)))
450.0ms
(* (* (* J J) J) (* (* (* (cos (/ K 2)) (cos (/ K 2))) (cos (/ K 2))) (* (* 2 2) 2)))

prune1.4s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 3.5b

localize35.0ms

Local error

Found 4 expressions with local error:

7.6b
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
7.6b
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
0.2b
(* (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (* (cos (/ K 2)) (* -2 J)))
0.1b
(/ U (* J (* (cos (/ K 2)) 2)))

rewrite91.0ms

Algorithm
rewrite-expression-head
Rules
22×add-cbrt-cube add-exp-log
15×pow1
12×add-sqr-sqrt
10×*-un-lft-identity add-cube-cbrt
prod-exp sqrt-prod cbrt-unprod
associate-*l* pow-prod-down
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv times-frac div-exp associate-/l*
rem-sqrt-square sqrt-pow1 pow1/2
clear-num associate-/r* frac-2neg associate-*r* *-commutative div-inv
Counts
4 → 85
Calls
4 calls:
Slowest
73.0ms
(* (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (* (cos (/ K 2)) (* -2 J)))
13.0ms
(/ U (* J (* (cos (/ K 2)) 2)))
3.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
2.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))

series1.2s

Counts
4 → 12
Calls
4 calls:
Slowest
670.0ms
(* (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (* (cos (/ K 2)) (* -2 J)))
235.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
230.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
111.0ms
(/ U (* J (* (cos (/ K 2)) 2)))

simplify10.9s

Counts
102 → 97
Calls
102 calls:
Slowest
403.0ms
(/ (* (* U U) U) (* (* (* J (* (cos (/ K 2)) 2)) (* J (* (cos (/ K 2)) 2))) (* J (* (cos (/ K 2)) 2))))
336.0ms
(- (log U) (+ (log J) (+ (log (cos (/ K 2))) (log 2))))
328.0ms
(+ (* 1/16 (/ (* (pow K 2) U) J)) (* 1/2 (/ U J)))
314.0ms
(- (log U) (+ (log J) (log (* (cos (/ K 2)) 2))))
309.0ms
(/ (* (* U U) U) (* (* (* J J) J) (* (* (* (cos (/ K 2)) 2) (* (cos (/ K 2)) 2)) (* (cos (/ K 2)) 2))))

prune1.5s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 3.5b

localize97.0ms

Local error

Found 4 expressions with local error:

7.6b
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
7.6b
(sqrt (hypot 1 (* U (/ 1 (* J (* (cos (/ K 2)) 2))))))
0.2b
(* U (/ 1 (* J (* (cos (/ K 2)) 2))))
0.2b
(* (sqrt (hypot 1 (* U (/ 1 (* J (* (cos (/ K 2)) 2)))))) (* (cos (/ K 2)) (* -2 J)))

rewrite140.0ms

Algorithm
rewrite-expression-head
Rules
45×add-exp-log
27×add-cbrt-cube
25×prod-exp
17×pow1
15×add-sqr-sqrt
13×cbrt-unprod
11×*-un-lft-identity add-cube-cbrt
associate-*l* sqrt-prod
associate-*r*
pow-prod-down
div-exp
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv rec-exp times-frac 1-exp
rem-sqrt-square sqrt-pow1 pow1/2 *-commutative
associate-*r/ un-div-inv div-inv unswap-sqr
Counts
4 → 98
Calls
4 calls:
Slowest
76.0ms
(* U (/ 1 (* J (* (cos (/ K 2)) 2))))
58.0ms
(* (sqrt (hypot 1 (* U (/ 1 (* J (* (cos (/ K 2)) 2)))))) (* (cos (/ K 2)) (* -2 J)))
2.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
2.0ms
(sqrt (hypot 1 (* U (/ 1 (* J (* (cos (/ K 2)) 2))))))

series884.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
300.0ms
(* (sqrt (hypot 1 (* U (/ 1 (* J (* (cos (/ K 2)) 2)))))) (* (cos (/ K 2)) (* -2 J)))
248.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
213.0ms
(sqrt (hypot 1 (* U (/ 1 (* J (* (cos (/ K 2)) 2))))))
123.0ms
(* U (/ 1 (* J (* (cos (/ K 2)) 2))))

simplify27.2s

Counts
110 → 110
Calls
110 calls:
Slowest
693.0ms
(* (sqrt (hypot 1 (* U (/ 1 (* J (* (cos (/ K 2)) 2)))))) (* (cos (/ K 2)) (* -2 J)))
548.0ms
(* (* (sqrt (hypot 1 (* U (/ 1 (* J (* (cos (/ K 2)) 2)))))) (sqrt (hypot 1 (* U (/ 1 (* J (* (cos (/ K 2)) 2))))))) (sqrt (hypot 1 (* U (/ 1 (* J (* (cos (/ K 2)) 2)))))))
526.0ms
(* (cbrt (sqrt (hypot 1 (* U (/ 1 (* J (* (cos (/ K 2)) 2))))))) (cbrt (sqrt (hypot 1 (* U (/ 1 (* J (* (cos (/ K 2)) 2))))))))
503.0ms
(cbrt (sqrt (hypot 1 (* U (/ 1 (* J (* (cos (/ K 2)) 2)))))))
491.0ms
(* (cbrt U) (/ 1 (* J (* (cos (/ K 2)) 2))))

prune1.7s

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 3.5b

localize120.0ms

Local error

Found 4 expressions with local error:

7.6b
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
7.6b
(sqrt (hypot 1 (* (* U (* (cbrt (/ 1 (* J (* (cos (/ K 2)) 2)))) (cbrt (/ 1 (* J (* (cos (/ K 2)) 2)))))) (cbrt (/ 1 (* J (* (cos (/ K 2)) 2)))))))
0.6b
(cbrt (/ 1 (* J (* (cos (/ K 2)) 2))))
0.6b
(cbrt (/ 1 (* J (* (cos (/ K 2)) 2))))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
14×cbrt-prod
12×add-sqr-sqrt
10×*-un-lft-identity add-cube-cbrt
pow1 times-frac sqrt-prod
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square cbrt-div sqrt-pow1 pow1/2 pow1/3 div-inv
Counts
4 → 70
Calls
4 calls:
Slowest
19.0ms
(cbrt (/ 1 (* J (* (cos (/ K 2)) 2))))
14.0ms
(cbrt (/ 1 (* J (* (cos (/ K 2)) 2))))
2.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
2.0ms
(sqrt (hypot 1 (* (* U (* (cbrt (/ 1 (* J (* (cos (/ K 2)) 2)))) (cbrt (/ 1 (* J (* (cos (/ K 2)) 2)))))) (cbrt (/ 1 (* J (* (cos (/ K 2)) 2)))))))

series1.0s

Counts
4 → 12
Calls
4 calls:
Slowest
352.0ms
(sqrt (hypot 1 (* (* U (* (cbrt (/ 1 (* J (* (cos (/ K 2)) 2)))) (cbrt (/ 1 (* J (* (cos (/ K 2)) 2)))))) (cbrt (/ 1 (* J (* (cos (/ K 2)) 2)))))))
239.0ms
(cbrt (/ 1 (* J (* (cos (/ K 2)) 2))))
210.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
202.0ms
(cbrt (/ 1 (* J (* (cos (/ K 2)) 2))))

simplify8.6s

Counts
98 → 82
Calls
98 calls:
Slowest
423.0ms
(* (cbrt -1/2) (exp (* 1/3 (+ (log (/ 1 (cos (* 1/2 K)))) (log (/ -1 J))))))
404.0ms
(* (cbrt 1/2) (exp (* 1/3 (+ (log (/ 1 (cos (* 1/2 K)))) (log (/ 1 J))))))
388.0ms
(* (cbrt -1/2) (exp (* 1/3 (+ (log (/ 1 (cos (* 1/2 K)))) (log (/ -1 J))))))
369.0ms
(* (cbrt 1/2) (exp (* 1/3 (+ (log (/ 1 (cos (* 1/2 K)))) (log (/ 1 J))))))
337.0ms
(+ (* (cbrt 1/2) (pow (/ 1 J) 1/3)) (* 1/24 (* (* (cbrt 1/2) (pow K 2)) (pow (/ 1 J) 1/3))))

prune1.5s

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 3.5b

regimes401.0ms

Accuracy

0% (3.7b remaining)

Error of 7.8b against oracle of 4.0b and baseline of 7.8b

bsearch3.0ms

end0.0ms

sample6.4s

Algorithm
intervals
Results
2.6s1515×body1280valid
1.6s4296×body80valid
1.3s1237×body640valid
402.0ms602×body320valid
198.0ms352×body160valid