Details

Time bar (total: 38.1s)

sample199.0ms

Algorithm
intervals
Results
65.0ms43×body1280valid
58.0ms154×body80valid
34.0ms32×body640valid
17.0ms21×body320valid
3.0msbody160valid

simplify215.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
214.0ms
(* (* (* -2 J) (cos (/ K 2))) (sqrt (+ 1 (pow (/ U (* (* 2 J) (cos (/ K 2)))) 2))))

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 8.8b

localize46.0ms

Local error

Found 4 expressions with local error:

8.8b
(* (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))) (* (cos (/ K 2)) (* -2 J)))
0.1b
(* J (* (cos (/ K 2)) 2))
0.1b
(* (cos (/ K 2)) (* -2 J))
0.1b
(/ U (* J (* (cos (/ K 2)) 2)))

rewrite94.0ms

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
35.0ms
(* (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))) (* (cos (/ K 2)) (* -2 J)))
26.0ms
(* J (* (cos (/ K 2)) 2))
19.0ms
(* (cos (/ K 2)) (* -2 J))
13.0ms
(/ U (* J (* (cos (/ K 2)) 2)))

series634.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
384.0ms
(* (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))) (* (cos (/ K 2)) (* -2 J)))
126.0ms
(/ U (* J (* (cos (/ K 2)) 2)))
66.0ms
(* (cos (/ K 2)) (* -2 J))
57.0ms
(* J (* (cos (/ K 2)) 2))

simplify6.6s

Counts
55 → 104
Calls
55 calls:
Slowest
517.0ms
(* (* (* (cos (/ K 2)) (cos (/ K 2))) (cos (/ K 2))) (* (* (* -2 J) (* -2 J)) (* -2 J)))
434.0ms
(* (* (* J J) J) (* (* (* (cos (/ K 2)) (cos (/ K 2))) (cos (/ K 2))) (* (* 2 2) 2)))
432.0ms
(* (* (* J J) J) (* (* (* (cos (/ K 2)) 2) (* (cos (/ K 2)) 2)) (* (cos (/ K 2)) 2)))
369.0ms
(+ (* 1/16 (/ (* (pow K 2) U) J)) (* 1/2 (/ U J)))
356.0ms
(/ (* (* U U) U) (* (* (* J (* (cos (/ K 2)) 2)) (* J (* (cos (/ K 2)) 2))) (* J (* (cos (/ K 2)) 2))))

prune1.5s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 5.0b

localize65.0ms

Local error

Found 4 expressions with local error:

8.8b
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
8.8b
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
0.1b
(* (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (* (cos (/ K 2)) (* -2 J)))
0.1b
(* J (* (cos (/ K 2)) 2))

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
20×pow1
18×add-cbrt-cube add-exp-log
11×add-sqr-sqrt
*-un-lft-identity associate-*l* pow-prod-down prod-exp add-cube-cbrt sqrt-prod cbrt-unprod
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 associate-*r* *-commutative
Counts
4 → 80
Calls
4 calls:
Slowest
40.0ms
(* (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (* (cos (/ K 2)) (* -2 J)))
29.0ms
(* J (* (cos (/ K 2)) 2))
1.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
1.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))

series898.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
309.0ms
(* (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (* (cos (/ K 2)) (* -2 J)))
285.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
237.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
67.0ms
(* J (* (cos (/ K 2)) 2))

simplify3.9s

Counts
45 → 92
Calls
45 calls:
Slowest
475.0ms
(* (* (* J J) J) (* (* (* (cos (/ K 2)) (cos (/ K 2))) (cos (/ K 2))) (* (* 2 2) 2)))
414.0ms
(* (* (* J J) J) (* (* (* (cos (/ K 2)) 2) (* (cos (/ K 2)) 2)) (* (cos (/ K 2)) 2)))
290.0ms
(* (* (* (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))) (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))) (* (* (* (cos (/ K 2)) (* -2 J)) (* (cos (/ K 2)) (* -2 J))) (* (cos (/ K 2)) (* -2 J))))
271.0ms
(* (* (* (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))) (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))) (* (* (* (cos (/ K 2)) (cos (/ K 2))) (cos (/ K 2))) (* (* (* -2 J) (* -2 J)) (* -2 J))))
247.0ms
(* (* (* (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))) (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))) (* (* (* (cos (/ K 2)) (cos (/ K 2))) (cos (/ K 2))) (* (* (* -2 -2) -2) (* (* J J) J))))

prune1.3s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 5.0b

localize94.0ms

Local error

Found 4 expressions with local error:

8.8b
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
8.8b
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
8.8b
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
8.8b
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt sqrt-prod
pow1 *-un-lft-identity add-cube-cbrt
expm1-log1p-u rem-sqrt-square sqrt-pow1 add-cbrt-cube pow1/2 add-exp-log insert-posit16 log1p-expm1-u add-log-exp
Counts
4 → 64
Calls
4 calls:
Slowest
3.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
2.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
2.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
2.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))

series956.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
273.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
250.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
230.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
202.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))

simplify1.2s

Counts
32 → 76
Calls
32 calls:
Slowest
103.0ms
(sqrt (* (cbrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (cbrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))))
103.0ms
(sqrt (* (cbrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (cbrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))))
88.0ms
(sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))
77.0ms
(sqrt (sqrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))))
76.0ms
(sqrt (* (cbrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (cbrt (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))))))

prune1.6s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 5.0b

localize69.0ms

Local error

Found 4 expressions with local error:

6.9b
(* (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))) (* (sqrt (cos (/ K 2))) (* (sqrt (cos (/ K 2))) (* -2 J))))
0.1b
(* J (* (cos (/ K 2)) 2))
0.1b
(* (sqrt (cos (/ K 2))) (* (sqrt (cos (/ K 2))) (* -2 J)))
0.1b
(/ U (* J (* (cos (/ K 2)) 2)))

rewrite249.0ms

Algorithm
rewrite-expression-head
Rules
41×add-cbrt-cube add-exp-log
32×pow1
22×prod-exp cbrt-unprod
19×pow-prod-down
12×associate-*l*
10×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv times-frac div-exp associate-*r* *-commutative sqrt-prod associate-/l*
clear-num associate-/r* frac-2neg div-inv
Counts
4 → 101
Calls
4 calls:
Slowest
147.0ms
(* (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))) (* (sqrt (cos (/ K 2))) (* (sqrt (cos (/ K 2))) (* -2 J))))
59.0ms
(* (sqrt (cos (/ K 2))) (* (sqrt (cos (/ K 2))) (* -2 J)))
27.0ms
(/ U (* J (* (cos (/ K 2)) 2)))
13.0ms
(* J (* (cos (/ K 2)) 2))

series597.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
313.0ms
(* (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))) (* (sqrt (cos (/ K 2))) (* (sqrt (cos (/ K 2))) (* -2 J))))
139.0ms
(/ U (* J (* (cos (/ K 2)) 2)))
75.0ms
(* J (* (cos (/ K 2)) 2))
69.0ms
(* (sqrt (cos (/ K 2))) (* (sqrt (cos (/ K 2))) (* -2 J)))

simplify9.2s

Counts
65 → 113
Calls
65 calls:
Slowest
470.0ms
(* (* (* J J) J) (* (* (* (cos (/ K 2)) (cos (/ K 2))) (cos (/ K 2))) (* (* 2 2) 2)))
439.0ms
(* (* (* (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))) (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (* (* (* (sqrt (cos (/ K 2))) (* (sqrt (cos (/ K 2))) (* -2 J))) (* (sqrt (cos (/ K 2))) (* (sqrt (cos (/ K 2))) (* -2 J)))) (* (sqrt (cos (/ K 2))) (* (sqrt (cos (/ K 2))) (* -2 J)))))
415.0ms
(* (* (* J J) J) (* (* (* (cos (/ K 2)) 2) (* (cos (/ K 2)) 2)) (* (cos (/ K 2)) 2)))
408.0ms
(* (* (* (hypot 1 (/ U (* J (* (cos (/ K 2)) 2)))) (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (hypot 1 (/ U (* J (* (cos (/ K 2)) 2))))) (* (* (* (sqrt (cos (/ K 2))) (sqrt (cos (/ K 2)))) (sqrt (cos (/ K 2)))) (* (* (* (sqrt (cos (/ K 2))) (sqrt (cos (/ K 2)))) (sqrt (cos (/ K 2)))) (* (* (* -2 J) (* -2 J)) (* -2 J)))))
394.0ms
(/ (* (* U U) U) (* (* (* J (* (cos (/ K 2)) 2)) (* J (* (cos (/ K 2)) 2))) (* J (* (cos (/ K 2)) 2))))

prune1.6s

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 5.0b

regimes492.0ms

Accuracy

-13.8% (4.6b remaining)

Error of 8.4b against oracle of 3.8b and baseline of 7.9b

bsearch406.0ms

end0.0ms

sample6.1s

Algorithm
intervals
Results
2.4s1496×body1280valid
1.3s1233×body640valid
1.1s4337×body80valid
893.0ms635×body320valid
165.0ms303×body160valid