Details

Time bar (total: 23.7s)

sample244.0ms

Algorithm
intervals
Results
135.0ms261×body10240exit
54.0ms106×body1280valid
25.0ms77×body640valid
7.0ms36×body320valid
3.0ms19×body160valid
1.0ms18×body80valid

simplify3.2s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0713
11913
22713
33513
44413
513913
done500013

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 57.4b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (exp x) (exp (- x)))
0.8b
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
6.3b
(- (exp x) (exp (- x)))

rewrite149.0ms

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-exp-log add-cbrt-cube associate-/l*
associate-/r*
pow1 expm1-log1p-u fma-def fma-neg log1p-expm1-u
flip3-- flip3-+ associate-/r/ flip-- flip-+ associate-/l/
cbrt-undiv +-commutative sub-neg frac-2neg diff-log div-sub tanh-undef div-exp clear-num sum-log div-inv
Counts
3 → 94
Calls
3 calls:
13.0ms
(+ (exp x) (exp (- x)))
109.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
23.0ms
(- (exp x) (exp (- x)))

series163.0ms

Counts
3 → 9
Calls
3 calls:
31.0ms
(+ (exp x) (exp (- x)))
87.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
44.0ms
(- (exp x) (exp (- x)))

simplify1.9s

Counts
103 → 103
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01471789
done50001566

prune214.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize4.0ms

Local error

Found 1 expressions with local error:

0.0b
(tanh x)

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube log1p-expm1-u tanh-def add-log-exp
Counts
1 → 12
Calls
1 calls:
2.0ms
(tanh x)

series128.0ms

Counts
1 → 3
Calls
1 calls:
128.0ms
(tanh x)

simplify3.4s

Counts
15 → 15
Iterations

Useful iterations: done (3.4s)

IterNodesCost
044113
130187
done500082

prune48.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (fma 2/15 (pow x 5) x) (* 1/3 (pow x 3)))
0.2b
(* 1/3 (pow x 3))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt
12×associate-*r*
add-cube-cbrt *-un-lft-identity
add-exp-log
unpow-prod-down cube-prod add-cbrt-cube add-log-exp unswap-sqr
fma-neg associate-*l* prod-diff prod-exp
pow1 expm1-log1p-u log1p-expm1-u sqr-pow
cube-mult pow-to-exp sub-neg flip3-- diff-log unpow3 pow-exp associate--l+ *-commutative flip-- cbrt-unprod fma-udef
Counts
2 → 54
Calls
2 calls:
6.0ms
(- (fma 2/15 (pow x 5) x) (* 1/3 (pow x 3)))
14.0ms
(* 1/3 (pow x 3))

series112.0ms

Counts
2 → 6
Calls
2 calls:
66.0ms
(- (fma 2/15 (pow x 5) x) (* 1/3 (pow x 3)))
47.0ms
(* 1/3 (pow x 3))

simplify2.0s

Counts
60 → 60
Iterations

Useful iterations: done (2.0s)

IterNodesCost
095709
1721642
done5001595

prune177.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (exp x) (exp x))
0.0b
(* (exp (- x)) (exp (- x)))
0.7b
(/ (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x)))) (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
6.2b
(- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))

rewrite185.0ms

Algorithm
rewrite-expression-head
Rules
94×exp-prod
52×*-un-lft-identity
42×add-sqr-sqrt
38×add-cube-cbrt
24×distribute-rgt-neg-in
20×distribute-lft-neg-in
19×pow-prod-down
18×pow1
17×pow-sqr pow-prod-up
13×add-cbrt-cube
add-exp-log
frac-times neg-mul-1 associate-/r/
exp-neg
neg-sub0 flip3-+ exp-diff swap-sqr associate-*r* associate-*l* flip-+ add-log-exp
expm1-log1p-u times-frac associate-*r/ associate-*l/ log1p-expm1-u associate-/l*
prod-exp cbrt-unprod difference-of-squares
cbrt-undiv pow2 flip3-- pow-plus div-exp *-commutative flip-- associate-/l/ unswap-sqr
sub-neg frac-2neg fma-neg diff-log div-sub prod-diff clear-num associate-/r* un-div-inv div-inv
Counts
4 → 163
Calls
4 calls:
21.0ms
(* (exp x) (exp x))
60.0ms
(* (exp (- x)) (exp (- x)))
73.0ms
(/ (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x)))) (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
24.0ms
(- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))

series310.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(* (exp x) (exp x))
16.0ms
(* (exp (- x)) (exp (- x)))
188.0ms
(/ (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x)))) (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
86.0ms
(- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))

simplify2.0s

Counts
175 → 175
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02272585
done50001740

prune541.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes30.0ms

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

sample8.8s

Algorithm
intervals
Results
5.3s7551×body10240exit
1.9s3308×body1280valid
879.0ms2440×body640valid
245.0ms1225×body320valid
78.0ms632×body160valid
25.0ms395×body80valid