Details

Time bar (total: 23.6s)

sample165.0ms

Algorithm
halfpoints

simplify6.7s

Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01624
13011
24811
38311
412711
520011
637311
761411
8110611
9151611
10184711
11193311
12195311
done195311

prune13.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (/ (+ (exp x) (exp (- x))) 2.0) (cos y))
0.0b
(+ (exp x) (exp (- x)))

rewrite152.0ms

Algorithm
rewrite-expression-head
Rules
20×*-un-lft-identity
17×add-sqr-sqrt
16×associate-*l*
13×times-frac
12×add-cube-cbrt
add-exp-log add-cbrt-cube
pow1 distribute-lft-out add-log-exp
fma-def associate-*r*
expm1-log1p-u prod-exp cbrt-unprod log1p-expm1-u unswap-sqr
cbrt-undiv +-commutative flip3-+ div-exp pow-prod-down associate-*l/ sum-log *-commutative flip-+ div-inv
Counts
2 → 54
Calls
2 calls:
114.0ms
(* (/ (+ (exp x) (exp (- x))) 2.0) (cos y))
35.0ms
(+ (exp x) (exp (- x)))

series120.0ms

Counts
2 → 6
Calls
2 calls:
93.0ms
(* (/ (+ (exp x) (exp (- x))) 2.0) (cos y))
27.0ms
(+ (exp x) (exp (- x)))

simplify2.2s

Counts
60 → 60
Iterations

Useful iterations: done (2.2s)

IterNodesCost
0113747
1281730
2790643
32230639
done5000638

prune232.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0))
0.0b
(/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0))
0.0b
(* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y)))
0.0b
(* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y))

rewrite419.0ms

Algorithm
rewrite-expression-head
Rules
198×sqrt-prod
172×times-frac
171×*-un-lft-identity
133×add-sqr-sqrt
119×add-cube-cbrt
92×associate-*l*
34×add-exp-log add-cbrt-cube
26×distribute-lft-out
14×associate-/l*
12×prod-exp associate-/r* cbrt-unprod
11×pow1
cbrt-undiv div-exp
unswap-sqr
expm1-log1p-u sqrt-div associate-*r* pow-prod-down associate-*l/ log1p-expm1-u div-inv associate-/l/ add-log-exp
sqrt-undiv frac-2neg flip3-+ clear-num *-commutative flip-+
frac-times associate-*r/
Counts
4 → 288
Calls
4 calls:
58.0ms
(/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0))
40.0ms
(/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0))
205.0ms
(* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y)))
90.0ms
(* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y))

series830.0ms

Counts
4 → 12
Calls
4 calls:
176.0ms
(/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0))
218.0ms
(/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0))
230.0ms
(* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y)))
204.0ms
(* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y))

simplify1.9s

Counts
300 → 300
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02406352
15925923
221635168
done50015145

prune1.3s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (log1p (expm1 (* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y)))))
0.0b
(* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y))
0.2b
(log1p (expm1 (* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y))))
0.6b
(expm1 (* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y)))

rewrite193.0ms

Algorithm
rewrite-expression-head
Rules
98×sqrt-prod
92×times-frac associate-*l*
88×add-sqr-sqrt
84×*-un-lft-identity
60×add-cube-cbrt
14×add-exp-log add-cbrt-cube
12×distribute-lft-out
10×unswap-sqr
pow1
associate-*r*
log1p-expm1-u
expm1-log1p-u prod-exp cbrt-unprod add-log-exp
cbrt-undiv div-exp pow-prod-down associate-*l/ *-commutative div-inv
log1p-udef expm1-log1p log1p-expm1 expm1-udef
Counts
4 → 162
Calls
4 calls:
89.0ms
(* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (log1p (expm1 (* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y)))))
95.0ms
(* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y))
0.0ms
(log1p (expm1 (* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y))))
1.0ms
(expm1 (* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y)))

series1.2s

Counts
4 → 12
Calls
4 calls:
410.0ms
(* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (log1p (expm1 (* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y)))))
195.0ms
(* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y))
255.0ms
(log1p (expm1 (* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y))))
312.0ms
(expm1 (* (/ (sqrt (+ (exp x) (exp (- x)))) (sqrt 2.0)) (cos y)))

simplify1.7s

Counts
174 → 174
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01984013
14663766
217283200
done50003191

prune902.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes49.0ms

Accuracy

0% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 0.0b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01011
11211
done1211

end0.0ms

sample5.4s

Algorithm
halfpoints