Details

Time bar (total: 17.6s)

sample25.0ms

Algorithm
intervals
Results
13.0ms256×body80valid

simplify7.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
078
1108
2128
done128

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 2 expressions with local error:

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

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
12×add-sqr-sqrt add-cube-cbrt times-frac
5×distribute-lft-out
4×add-exp-log associate-/r* add-cbrt-cube add-log-exp
3×fma-def associate-/l*
2×pow1 expm1-log1p-u flip3-+ associate-/r/ flip-+ log1p-expm1-u
1×cbrt-undiv +-commutative frac-2neg div-exp clear-num sum-log div-inv
Counts
2 → 52
Calls
2 calls:
26.0ms
(+ (exp x) (exp (- x)))
30.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

series134.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(+ (exp x) (exp (- x)))
89.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

simplify3.0s

Counts
58 → 58
Iterations

Useful iterations: done (3.0s)

IterNodesCost
094681
1955648
done5000598

prune173.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize18.0ms

Local error

Found 4 expressions with local error:

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

rewrite265.0ms

Algorithm
rewrite-expression-head
Rules
134×*-un-lft-identity
116×sqrt-prod
103×times-frac
101×add-sqr-sqrt
70×add-cube-cbrt
29×swap-sqr distribute-lft-out
21×associate-*r* associate-*l*
20×pow1
14×associate-/r/
10×add-exp-log add-cbrt-cube
9×sqrt-pow1 pow1/2 unswap-sqr
8×associate-/r*
7×flip3-+ flip-+ div-inv
6×associate-/l*
5×sqrt-div pow-prod-up
4×expm1-log1p-u log1p-expm1-u add-log-exp
3×pow-prod-down pow-sqr
2×cbrt-undiv rem-sqrt-square frac-2neg div-exp clear-num
1×pow2 frac-times pow-plus sqrt-unprod associate-*r/ associate-*l/ prod-exp rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 212
Calls
4 calls:
45.0ms
(sqrt (/ 2.0 (+ (exp x) (exp (- x)))))
136.0ms
(* (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (sqrt (/ 2.0 (+ (exp x) (exp (- x))))))
34.0ms
(/ 2.0 (+ (exp x) (exp (- x))))
29.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

series377.0ms

Counts
4 → 12
Calls
4 calls:
133.0ms
(sqrt (/ 2.0 (+ (exp x) (exp (- x)))))
139.0ms
(* (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (sqrt (/ 2.0 (+ (exp x) (exp (- x))))))
52.0ms
(/ 2.0 (+ (exp x) (exp (- x))))
53.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

simplify4.9s

Counts
224 → 224
Iterations

Useful iterations: done (4.8s)

IterNodesCost
02344573
done50003368

prune852.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize27.0ms

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))))
0.5b
(sqrt (/ (sqrt 2.0) (+ (exp x) (exp (- x)))))
0.5b
(* (* (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (sqrt (sqrt 2.0))) (sqrt (/ (sqrt 2.0) (+ (exp x) (exp (- x))))))

rewrite326.0ms

Algorithm
rewrite-expression-head
Rules
107×*-un-lft-identity
100×sqrt-prod
86×times-frac
66×add-sqr-sqrt
61×add-cube-cbrt
33×associate-*r*
23×distribute-lft-out
13×pow1 add-exp-log add-cbrt-cube
9×associate-/l*
8×associate-/r* associate-/r/
7×pow-prod-down
5×sqrt-div
4×expm1-log1p-u sqrt-pow1 flip3-+ pow1/2 flip-+ log1p-expm1-u div-inv add-log-exp
3×rem-sqrt-square associate-*l/ prod-exp cbrt-unprod
2×cbrt-undiv frac-2neg sqrt-unprod div-exp clear-num
1×frac-times associate-*r/ associate-*l* *-commutative
Counts
4 → 186
Calls
4 calls:
23.0ms
(/ 2.0 (+ (exp x) (exp (- x))))
28.0ms
(/ (sqrt 2.0) (+ (exp x) (exp (- x))))
50.0ms
(sqrt (/ (sqrt 2.0) (+ (exp x) (exp (- x)))))
217.0ms
(* (* (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (sqrt (sqrt 2.0))) (sqrt (/ (sqrt 2.0) (+ (exp x) (exp (- x))))))

series452.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(/ 2.0 (+ (exp x) (exp (- x))))
77.0ms
(/ (sqrt 2.0) (+ (exp x) (exp (- x))))
178.0ms
(sqrt (/ (sqrt 2.0) (+ (exp x) (exp (- x)))))
135.0ms
(* (* (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) (sqrt (sqrt 2.0))) (sqrt (/ (sqrt 2.0) (+ (exp x) (exp (- x))))))

simplify661.0ms

Counts
198 → 198
Iterations

Useful iterations: done (654.0ms)

IterNodesCost
02683842
done50013514

prune874.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize31.0ms

Local error

Found 4 expressions with local error:

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

rewrite140.0ms

Algorithm
rewrite-expression-head
Rules
48×*-un-lft-identity
32×times-frac
26×add-sqr-sqrt add-cube-cbrt
13×add-exp-log add-cbrt-cube
12×associate-/r*
11×distribute-lft-out
10×cbrt-prod
8×associate-/r/
7×associate-/l*
4×pow1 cbrt-undiv expm1-log1p-u flip3-+ div-exp flip-+ log1p-expm1-u div-inv add-log-exp
3×frac-2neg clear-num
1×cbrt-div pow1/3 sqrt-div associate-*l/ prod-exp cbrt-unprod associate-/l/
Counts
4 → 119
Calls
4 calls:
23.0ms
(/ 2.0 (+ (exp x) (exp (- x))))
25.0ms
(/ 2.0 (+ (exp x) (exp (- x))))
48.0ms
(/ (* (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) 2.0) (+ (exp x) (exp (- x))))
41.0ms
(cbrt (/ (* (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) 2.0) (+ (exp x) (exp (- x)))))

series894.0ms

Counts
4 → 12
Calls
4 calls:
41.0ms
(/ 2.0 (+ (exp x) (exp (- x))))
46.0ms
(/ 2.0 (+ (exp x) (exp (- x))))
262.0ms
(/ (* (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) 2.0) (+ (exp x) (exp (- x))))
544.0ms
(cbrt (/ (* (sqrt (/ 2.0 (+ (exp x) (exp (- x))))) 2.0) (+ (exp x) (exp (- x)))))

simplify3.3s

Counts
131 → 131
Iterations

Useful iterations: done (3.3s)

IterNodesCost
01992445
137132283
done50001859

prune560.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes50.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01424
11724
done1724

end0.0ms

sample473.0ms

Algorithm
intervals
Results
316.0ms8000×body80valid