Details

Time bar (total: 23.4s)

sample142.0ms

Algorithm
intervals
Results
63.0ms107×body1280valid
25.0ms73×body640valid
15.0ms287×body80valid
12.0ms51×body320valid
2.0ms16×body160valid

simplify29.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
078
1148
2248
3308
4348
done348

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.3b

localize17.0ms

Local error

Found 1 expressions with local error:

5.0b
(- (exp x) (exp (- x)))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt *-un-lft-identity
prod-diff
add-cube-cbrt
fma-neg add-log-exp
pow1 add-exp-log expm1-log1p-u sub-neg flip3-- diff-log add-cbrt-cube flip-- log1p-expm1-u distribute-lft-out-- difference-of-squares
Counts
1 → 28
Calls
1 calls:
55.0ms
(- (exp x) (exp (- x)))

series64.0ms

Counts
1 → 3
Calls
1 calls:
63.0ms
(- (exp x) (exp (- x)))

simplify929.0ms

Counts
31 → 31
Iterations

Useful iterations: done (928.0ms)

IterNodesCost
073547
1170404
2671308
done5000254

prune183.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize36.0ms

Local error

Found 1 expressions with local error:

0.0b
(fma 1/60 (pow x 5) (* 2 x))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube fma-udef log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
1.0ms
(fma 1/60 (pow x 5) (* 2 x))

series230.0ms

Counts
1 → 3
Calls
1 calls:
230.0ms
(fma 1/60 (pow x 5) (* 2 x))

simplify5.4s

Counts
13 → 13
Iterations

Useful iterations: 2 (21.0ms)

IterNodesCost
018140
129137
285121
3353121
41706121
done5000121

prune88.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize36.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (exp x) (exp (- x)))
0.0b
(/ (- (exp (+ x x)) (exp (* x -2))) (+ (exp x) (exp (- x))))
4.9b
(- (exp (+ x x)) (exp (* x -2)))

rewrite430.0ms

Algorithm
rewrite-expression-head
Rules
52×*-un-lft-identity
42×add-sqr-sqrt
24×add-cube-cbrt times-frac
12×prod-diff difference-of-squares
10×exp-sum
distribute-lft-out
add-log-exp
associate-/l* distribute-lft-out--
add-exp-log add-cbrt-cube
fma-neg associate-/r*
pow1 expm1-log1p-u fma-def log1p-expm1-u
flip3-- flip3-+ associate-/r/ flip-- flip-+ associate-/l/
cbrt-undiv +-commutative sub-neg frac-2neg diff-log div-sub div-exp clear-num sum-log div-inv
Counts
3 → 103
Calls
3 calls:
24.0ms
(+ (exp x) (exp (- x)))
273.0ms
(/ (- (exp (+ x x)) (exp (* x -2))) (+ (exp x) (exp (- x))))
127.0ms
(- (exp (+ x x)) (exp (* x -2)))

series241.0ms

Counts
3 → 9
Calls
3 calls:
44.0ms
(+ (exp x) (exp (- x)))
126.0ms
(/ (- (exp (+ x x)) (exp (* x -2))) (+ (exp x) (exp (- x))))
71.0ms
(- (exp (+ x x)) (exp (* x -2)))

simplify2.2s

Counts
112 → 112
Iterations

Useful iterations: done (2.2s)

IterNodesCost
01822456
14562179
220581964
done50011900

prune664.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize60.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- (* (exp (+ x x)) (exp (+ x x))) (* (exp (* x -2)) (exp (* x -2)))) (* (+ (exp x) (exp (- x))) (+ (exp (+ x x)) (exp (* x -2)))))
0.0b
(* (exp (* x -2)) (exp (* x -2)))
0.0b
(* (exp (+ x x)) (exp (+ x x)))
4.8b
(- (* (exp (+ x x)) (exp (+ x x))) (* (exp (* x -2)) (exp (* x -2))))

rewrite1.2s

Algorithm
rewrite-expression-head
Rules
128×exp-prod
90×*-un-lft-identity
74×add-sqr-sqrt
44×add-cube-cbrt
30×distribute-lft-out
28×pow-prod-down
24×distribute-rgt-out pow-sqr pow-prod-up
18×pow1 add-log-exp
14×distribute-lft1-in distribute-rgt1-in
13×add-cbrt-cube
12×exp-to-pow
10×count-2
add-exp-log
exp-sum associate-/r/
swap-sqr associate-*r* associate-*l*
flip3-+ flip-+
unswap-sqr
expm1-log1p-u frac-times times-frac log1p-expm1-u associate-/l*
prod-exp cbrt-unprod difference-of-squares
cbrt-undiv pow2 flip3-- pow-plus associate-*r/ div-exp associate-*l/ *-commutative flip-- associate-/l/
sub-neg frac-2neg fma-neg diff-log div-sub prod-diff clear-num associate-/r* div-inv
Counts
4 → 183
Calls
4 calls:
699.0ms
(/ (- (* (exp (+ x x)) (exp (+ x x))) (* (exp (* x -2)) (exp (* x -2)))) (* (+ (exp x) (exp (- x))) (+ (exp (+ x x)) (exp (* x -2)))))
42.0ms
(* (exp (* x -2)) (exp (* x -2)))
242.0ms
(* (exp (+ x x)) (exp (+ x x)))
204.0ms
(- (* (exp (+ x x)) (exp (+ x x))) (* (exp (* x -2)) (exp (* x -2))))

series508.0ms

Counts
4 → 12
Calls
4 calls:
302.0ms
(/ (- (* (exp (+ x x)) (exp (+ x x))) (* (exp (* x -2)) (exp (* x -2)))) (* (+ (exp x) (exp (- x))) (+ (exp (+ x x)) (exp (* x -2)))))
29.0ms
(* (exp (* x -2)) (exp (* x -2)))
46.0ms
(* (exp (+ x x)) (exp (+ x x)))
130.0ms
(- (* (exp (+ x x)) (exp (+ x x))) (* (exp (* x -2)) (exp (* x -2))))

simplify3.9s

Counts
195 → 195
Iterations

Useful iterations: 2 (1.2s)

IterNodesCost
02453558
17622489
243092028
done50002028

prune1.4s

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes54.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 0.5b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01315
11415
done1415

end0.0ms

sample5.5s

Algorithm
intervals
Results
2.8s3384×body1280valid
1000.0ms2532×body640valid
717.0ms8202×body80valid
370.0ms1251×body320valid
86.0ms608×body160valid