Details

Time bar (total: 1.1m)

sample586.0ms

Algorithm
intervals
Results
482.0ms241×body10240exit
48.0ms99×body1280valid
24.0ms81×body640valid
9.0ms44×body320valid
2.0ms18×body160valid
1.0ms14×body80valid

simplify50.0s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0713
11513
22513
33113
44213
57013
613613
755513
8371613
done500013

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 57.8b

localize26.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (exp x) (exp (- x)))
0.7b
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
5.6b
(- (exp x) (exp (- x)))

rewrite113.0ms

Algorithm
rewrite-expression-head
Rules
48×*-un-lft-identity
34×add-sqr-sqrt
22×add-cube-cbrt
20×times-frac
prod-diff
distribute-lft-out add-log-exp
distribute-lft-out-- difference-of-squares
add-cbrt-cube add-exp-log associate-/l*
associate-/r*
expm1-log1p-u pow1 fma-def fma-neg log1p-expm1-u
flip3-+ flip3-- associate-/r/ flip-+ flip-- associate-/l/
cbrt-undiv +-commutative clear-num sum-log sub-neg frac-2neg diff-log div-sub div-exp tanh-undef div-inv
Counts
3 → 94
Calls
3 calls:
15.0ms
(+ (exp x) (exp (- x)))
68.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
27.0ms
(- (exp x) (exp (- x)))

series190.0ms

Counts
3 → 9
Calls
3 calls:
26.0ms
(+ (exp x) (exp (- x)))
99.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
65.0ms
(- (exp x) (exp (- x)))

simplify1.9s

Counts
103 → 103
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01471789
13581602
216881430
done50041371

prune461.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize3.0ms

Local error

Found 1 expressions with local error:

0.0b
(tanh x)

rewrite2.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt log1p-expm1-u tanh-def add-log-exp
Counts
1 → 12
Calls
1 calls:
1.0ms
(tanh x)

series134.0ms

Counts
1 → 3
Calls
1 calls:
134.0ms
(tanh x)

simplify2.0s

Counts
15 → 15
Iterations

Useful iterations: 3 (149.0ms)

IterNodesCost
044113
19387
220982
366781
4355681
done500281

prune71.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (exp (* 2 x)) 1)
0.8b
(/ (expm1 (* 2 x)) (+ (exp (* 2 x)) 1))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
12×add-sqr-sqrt times-frac add-cube-cbrt
distribute-lft-out
associate-/r* add-cbrt-cube add-exp-log add-log-exp
fma-def associate-/l*
expm1-log1p-u pow1 flip3-+ associate-/r/ flip-+ log1p-expm1-u
cbrt-undiv +-commutative clear-num sum-log frac-2neg div-sub div-exp div-inv expm1-udef
Counts
2 → 53
Calls
2 calls:
17.0ms
(+ (exp (* 2 x)) 1)
18.0ms
(/ (expm1 (* 2 x)) (+ (exp (* 2 x)) 1))

series112.0ms

Counts
2 → 6
Calls
2 calls:
14.0ms
(+ (exp (* 2 x)) 1)
98.0ms
(/ (expm1 (* 2 x)) (+ (exp (* 2 x)) 1))

simplify675.0ms

Counts
59 → 59
Iterations

Useful iterations: done (672.0ms)

IterNodesCost
089861
1221821
2922744
done5000740

prune246.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma (pow x 3) -1/3 (fma 2/15 (pow x 5) x))
0.0b
(fma 2/15 (pow x 5) x)

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt fma-udef log1p-expm1-u add-log-exp
Counts
2 → 20
Calls
2 calls:
0.0ms
(fma (pow x 3) -1/3 (fma 2/15 (pow x 5) x))
0.0ms
(fma 2/15 (pow x 5) x)

series200.0ms

Counts
2 → 6
Calls
2 calls:
67.0ms
(fma (pow x 3) -1/3 (fma 2/15 (pow x 5) x))
132.0ms
(fma 2/15 (pow x 5) x)

simplify624.0ms

Counts
26 → 26
Iterations

Useful iterations: 2 (31.0ms)

IterNodesCost
033298
156292
2161255
3852255
done5000255

prune117.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes35.0ms

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
022
done22

end0.0ms

sample8.6s

Algorithm
intervals
Results
4.5s7425×body10240exit
2.4s3391×body1280valid
843.0ms2390×body640valid
248.0ms1209×body320valid
77.0ms601×body160valid
26.0ms409×body80valid