Details

Time bar (total: 18.3s)

sample147.0ms

Algorithm
halfpoints

simplify4.9s

Counts
1 → 1
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
01624
13011
24811
38311
411711
518811
633111
755611
8100011
9136611
10168611
11176811
12179011
done179011

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 2 expressions with local error:

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

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
16×add-sqr-sqrt associate-*l*
13×times-frac
11×add-cube-cbrt
add-exp-log add-cbrt-cube
pow1 distribute-lft-out add-log-exp
associate-*r*
prod-exp cbrt-unprod unswap-sqr
cbrt-undiv +-commutative flip3-+ div-exp pow-prod-down associate-*l/ sum-log *-commutative flip-+ div-inv
Counts
2 → 47
Calls
2 calls:
57.0ms
(* (/ (+ (exp x) (exp (- x))) 2.0) (cos y))
12.0ms
(+ (exp x) (exp (- x)))

series91.0ms

Counts
2 → 6
Calls
2 calls:
67.0ms
(* (/ (+ (exp x) (exp (- x))) 2.0) (cos y))
24.0ms
(+ (exp x) (exp (- x)))

simplify1.5s

Counts
53 → 53
Iterations

Useful iterations: 3 (588.0ms)

IterNodesCost
0109709
1273694
2759608
32122605
done5001605

prune155.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize18.0ms

Local error

Found 4 expressions with local error:

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

rewrite253.0ms

Algorithm
rewrite-expression-head
Rules
49×*-un-lft-identity
48×sqrt-prod
38×times-frac
35×add-sqr-sqrt
29×add-cube-cbrt
19×associate-*l*
11×pow1
10×distribute-lft-out
add-exp-log add-cbrt-cube
sqrt-div add-log-exp
rem-sqrt-square
pow-prod-down associate-*l/ prod-exp cbrt-unprod div-inv
sqrt-pow1 pow1/2
+-commutative frac-times flip3-+ associate-*r/ associate-*r* sum-log *-commutative flip-+
Counts
4 → 105
Calls
4 calls:
17.0ms
(+ (exp x) (exp (- x)))
30.0ms
(sqrt (/ (+ (exp x) (exp (- x))) 2.0))
34.0ms
(sqrt (/ (+ (exp x) (exp (- x))) 2.0))
166.0ms
(* (sqrt (/ (+ (exp x) (exp (- x))) 2.0)) (* (sqrt (/ (+ (exp x) (exp (- x))) 2.0)) (cos y)))

series443.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(+ (exp x) (exp (- x)))
123.0ms
(sqrt (/ (+ (exp x) (exp (- x))) 2.0))
135.0ms
(sqrt (/ (+ (exp x) (exp (- x))) 2.0))
152.0ms
(* (sqrt (/ (+ (exp x) (exp (- x))) 2.0)) (* (sqrt (/ (+ (exp x) (exp (- x))) 2.0)) (cos y)))

simplify2.0s

Counts
117 → 117
Iterations

Useful iterations: 3 (985.0ms)

IterNodesCost
01652178
13841833
210471648
329441623
done50011623

prune477.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize40.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ (exp x) (exp (- x))))
0.2b
(* (sqrt (/ (sqrt (+ (exp x) (exp (- x)))) 2.0)) (* (sqrt (/ (+ (exp x) (exp (- x))) 2.0)) (cos y)))
0.7b
(* (sqrt (/ (sqrt (+ (exp x) (exp (- x)))) 1)) (* (sqrt (/ (sqrt (+ (exp x) (exp (- x)))) 2.0)) (* (sqrt (/ (+ (exp x) (exp (- x))) 2.0)) (cos y))))
1.0b
(sqrt (/ (sqrt (+ (exp x) (exp (- x)))) 2.0))

rewrite759.0ms

Algorithm
rewrite-expression-head
Rules
116×sqrt-prod
69×*-un-lft-identity
65×times-frac
56×associate-*l*
55×add-sqr-sqrt
49×add-cube-cbrt
20×pow1
19×sqrt-div
18×add-exp-log add-cbrt-cube
10×associate-*l/ distribute-lft-out
pow-prod-down prod-exp cbrt-unprod
frac-times associate-*r/
rem-sqrt-square add-log-exp
div-inv
sqrt-pow1 pow1/2 associate-*r* *-commutative
flip3-+ flip-+
Counts
4 → 153
Calls
4 calls:
19.0ms
(sqrt (+ (exp x) (exp (- x))))
185.0ms
(* (sqrt (/ (sqrt (+ (exp x) (exp (- x)))) 2.0)) (* (sqrt (/ (+ (exp x) (exp (- x))) 2.0)) (cos y)))
503.0ms
(* (sqrt (/ (sqrt (+ (exp x) (exp (- x)))) 1)) (* (sqrt (/ (sqrt (+ (exp x) (exp (- x)))) 2.0)) (* (sqrt (/ (+ (exp x) (exp (- x))) 2.0)) (cos y))))
44.0ms
(sqrt (/ (sqrt (+ (exp x) (exp (- x)))) 2.0))

series637.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(sqrt (+ (exp x) (exp (- x))))
240.0ms
(* (sqrt (/ (sqrt (+ (exp x) (exp (- x)))) 2.0)) (* (sqrt (/ (+ (exp x) (exp (- x))) 2.0)) (cos y)))
139.0ms
(* (sqrt (/ (sqrt (+ (exp x) (exp (- x)))) 1)) (* (sqrt (/ (sqrt (+ (exp x) (exp (- x)))) 2.0)) (* (sqrt (/ (+ (exp x) (exp (- x))) 2.0)) (cos y))))
180.0ms
(sqrt (/ (sqrt (+ (exp x) (exp (- x)))) 2.0))

simplify1.6s

Counts
165 → 165
Iterations

Useful iterations: done (1.5s)

IterNodesCost
02904458
16433958
218803650
done50013635

prune885.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes65.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01011
11211
done1211

end0.0ms

sample4.3s

Algorithm
halfpoints