Details

Time bar (total: 6.0s)

sample12.0ms

Algorithm
intervals
Results
6.0ms256×body80valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
078
1108
2128
done128

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 1 expressions with local error:

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

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
12×times-frac
10×add-sqr-sqrt add-cube-cbrt
4×associate-/r* distribute-lft-out
3×add-exp-log add-cbrt-cube associate-/l*
2×associate-/r/
1×pow1 cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv add-log-exp
Counts
1 → 33
Calls
1 calls:
10.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

series44.0ms

Counts
1 → 3
Calls
1 calls:
44.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

simplify2.4s

Counts
36 → 36
Iterations

Useful iterations: 3 (158.0ms)

IterNodesCost
078492
1164472
2357438
3813437
42971437
done5001437

prune76.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize9.0ms

Local error

Found 3 expressions with local error:

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

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
49×*-un-lft-identity
36×exp-prod times-frac
29×add-sqr-sqrt add-cube-cbrt
19×log-pow
10×distribute-lft-out
6×associate-/r/
5×add-exp-log add-cbrt-cube
4×pow1 associate-/r* add-log-exp
3×log-prod flip3-+ flip-+ div-inv associate-/l*
1×cbrt-undiv frac-2neg div-exp rem-log-exp clear-num rem-exp-log
Counts
3 → 89
Calls
3 calls:
10.0ms
(/ 2.0 (+ (exp x) (exp (- x))))
21.0ms
(exp (/ 2.0 (+ (exp x) (exp (- x)))))
25.0ms
(log (exp (/ 2.0 (+ (exp x) (exp (- x))))))

series156.0ms

Counts
3 → 9
Calls
3 calls:
38.0ms
(/ 2.0 (+ (exp x) (exp (- x))))
77.0ms
(exp (/ 2.0 (+ (exp x) (exp (- x)))))
41.0ms
(log (exp (/ 2.0 (+ (exp x) (exp (- x))))))

simplify2.6s

Counts
98 → 98
Iterations

Useful iterations: 4 (1.1s)

IterNodesCost
01351248
12421131
24941051
311201045
439441044
done50001044

prune227.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes42.0ms

Accuracy

0% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0910
11010
done1010

end0.0ms

sample276.0ms

Algorithm
intervals
Results
185.0ms8000×body80valid