Details

Time bar (total: 11.0s)

sample21.0ms

Algorithm
intervals
Results
10.0ms256×body80valid

simplify7.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
078
1108
2128
done128

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 1 expressions with local error:

0.0b
(/ 2.0 (+ (exp x) (exp (- x))))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
12×times-frac
10×add-sqr-sqrt add-cube-cbrt
associate-/r* distribute-lft-out
add-exp-log add-cbrt-cube associate-/l*
associate-/r/
pow1 cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv add-log-exp
Counts
1 → 33
Calls
1 calls:
31.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

series55.0ms

Counts
1 → 3
Calls
1 calls:
55.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

simplify2.8s

Counts
36 → 36
Iterations

Useful iterations: 3 (573.0ms)

IterNodesCost
078492
1171472
2607440
33559437
done5000437

prune105.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 2.0 (+ (exp x) (exp (- x))))
0.0b
(* (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (sqrt (/ 2.0 (+ (exp x) (exp (- x))))))
0.2b
(sqrt (/ 2.0 (+ (exp x) (exp (- x)))))
0.2b
(sqrt (/ 2.0 (+ (exp x) (exp (- x)))))

rewrite323.0ms

Algorithm
rewrite-expression-head
Rules
134×sqrt-prod
131×*-un-lft-identity
104×times-frac
103×add-sqr-sqrt
69×add-cube-cbrt
29×swap-sqr
28×distribute-lft-out
21×pow1 associate-*r* associate-*l*
14×associate-/r/
10×sqrt-pow1 pow1/2
unswap-sqr
add-exp-log add-cbrt-cube
flip3-+ flip-+ div-inv
sqrt-div
pow-prod-up
rem-sqrt-square associate-/r* add-log-exp
pow-prod-down pow-sqr associate-/l*
cbrt-undiv pow2 frac-times frac-2neg pow-plus sqrt-unprod associate-*r/ div-exp associate-*l/ prod-exp clear-num rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 201
Calls
4 calls:
32.0ms
(/ 2.0 (+ (exp x) (exp (- x))))
185.0ms
(* (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (sqrt (/ 2.0 (+ (exp x) (exp (- x))))))
41.0ms
(sqrt (/ 2.0 (+ (exp x) (exp (- x)))))
47.0ms
(sqrt (/ 2.0 (+ (exp x) (exp (- x)))))

series587.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(/ 2.0 (+ (exp x) (exp (- x))))
156.0ms
(* (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (sqrt (/ 2.0 (+ (exp x) (exp (- x))))))
189.0ms
(sqrt (/ 2.0 (+ (exp x) (exp (- x)))))
169.0ms
(sqrt (/ 2.0 (+ (exp x) (exp (- x)))))

simplify1.9s

Counts
213 → 213
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02284544
14783331
224393111
done50013055

prune775.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize46.0ms

Local error

Found 4 expressions with local error:

0.2b
(sqrt (/ 2.0 (+ (exp x) (exp (- x)))))
0.2b
(sqrt (* (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (- x))))) (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (- x)))))))
0.2b
(sqrt (+ (exp x) (exp (- x))))
0.2b
(sqrt (+ (exp x) (exp (- x))))

rewrite153.0ms

Algorithm
rewrite-expression-head
Rules
27×sqrt-prod
24×*-un-lft-identity
19×add-sqr-sqrt
15×pow1
14×add-cube-cbrt
13×times-frac
sqrt-pow1
sqrt-div
rem-sqrt-square distribute-lft-out
add-exp-log pow1/2 add-cbrt-cube add-log-exp
flip3-+ flip-+
associate-/r/
pow2 frac-times pow-plus associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up div-inv
Counts
4 → 81
Calls
4 calls:
35.0ms
(sqrt (/ 2.0 (+ (exp x) (exp (- x)))))
62.0ms
(sqrt (* (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (- x))))) (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (- x)))))))
29.0ms
(sqrt (+ (exp x) (exp (- x))))
24.0ms
(sqrt (+ (exp x) (exp (- x))))

series482.0ms

Counts
4 → 12
Calls
4 calls:
162.0ms
(sqrt (/ 2.0 (+ (exp x) (exp (- x)))))
175.0ms
(sqrt (* (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (- x))))) (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (- x)))))))
71.0ms
(sqrt (+ (exp x) (exp (- x))))
73.0ms
(sqrt (+ (exp x) (exp (- x))))

simplify2.5s

Counts
93 → 93
Iterations

Useful iterations: 3 (898.0ms)

IterNodesCost
01541449
12971201
29401097
349251052
done50011052

prune514.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes66.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
078
188
done88

end0.0ms

sample614.0ms

Algorithm
intervals
Results
420.0ms8000×body80valid