Details

Time bar (total: 11.0s)

sample132.0ms

Algorithm
intervals
Results
62.0ms110×body1280valid
29.0ms82×body640valid
16.0ms251×body80valid
9.0ms37×body320valid
3.0ms21×body160valid

simplify14.0ms

Counts
1 → 1
Iterations
IterNodes
done36
436
331
224
114
07

prune31.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.8b

localize17.0ms

Local error

Found 1 expressions with local error:

5.5b
(- (exp x) (exp (- x)))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt *-un-lft-identity
prod-diff
add-cube-cbrt
fma-neg add-log-exp
expm1-log1p-u pow1 sub-neg flip3-- add-cbrt-cube diff-log add-exp-log insert-posit16 log1p-expm1-u flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 29
Calls
1 calls:
21.0ms
(- (exp x) (exp (- x)))

series57.0ms

Counts
1 → 3
Calls
1 calls:
57.0ms
(- (exp x) (exp (- x)))

simplify874.0ms

Counts
32 → 32
Iterations
IterNodes
done5001
2672
1171
074

prune128.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize34.0ms

Local error

Found 2 expressions with local error:

0.1b
(* x (* x 1/3))
0.3b
(* x 1/3)

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt
associate-*l*
*-un-lft-identity add-cube-cbrt
associate-*r* pow-prod-down prod-exp cbrt-unprod
expm1-log1p-u *-commutative insert-posit16 log1p-expm1-u add-log-exp
unswap-sqr
Counts
2 → 42
Calls
2 calls:
20.0ms
(* x (* x 1/3))
9.0ms
(* x 1/3)

series63.0ms

Counts
2 → 6
Calls
2 calls:
38.0ms
(* x (* x 1/3))
24.0ms
(* x 1/3)

simplify413.0ms

Counts
48 → 48
Iterations
IterNodes
done5001
2570
1127
054

prune198.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize37.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (- (* x -2) x))
0.0b
(+ 1 (exp (* x -2)))
0.0b
(fma (exp x) (exp x) (+ 1 (exp (* x -2))))
5.5b
(- (exp (fma x 2 x)) (exp (- (* x -2) x)))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
47×prod-diff
34×exp-sum
28×*-un-lft-identity
26×add-sqr-sqrt
24×add-cube-cbrt
11×add-log-exp
10×fma-udef
sub-neg
expm1-log1p-u pow1 add-cbrt-cube fma-neg add-exp-log insert-posit16 log1p-expm1-u
exp-prod fma-def
diff-log rem-exp-log
+-commutative sum-log flip3-+ flip3-- exp-diff flip-+ flip-- distribute-lft-out distribute-lft-out-- difference-of-squares
Counts
4 → 103
Calls
4 calls:
22.0ms
(exp (- (* x -2) x))
6.0ms
(+ 1 (exp (* x -2)))
0.0ms
(fma (exp x) (exp x) (+ 1 (exp (* x -2))))
27.0ms
(- (exp (fma x 2 x)) (exp (- (* x -2) x)))

series166.0ms

Counts
4 → 12
Calls
4 calls:
16.0ms
(exp (- (* x -2) x))
17.0ms
(+ 1 (exp (* x -2)))
59.0ms
(fma (exp x) (exp x) (+ 1 (exp (* x -2))))
74.0ms
(- (exp (fma x 2 x)) (exp (- (* x -2) x)))

simplify1.6s

Counts
115 → 115
Iterations
IterNodes
done5004
21847
1486
0213

prune693.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize34.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (- (* x -2) x))
0.0b
(+ 1 (exp (* x -2)))
0.0b
(fma (exp x) (exp x) (+ 1 (exp (* x -2))))
5.5b
(fma (exp (* x 2)) (exp x) (- (exp (- (* x -2) x))))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity add-log-exp
add-sqr-sqrt add-cube-cbrt
exp-sum
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
exp-prod fma-def prod-diff
fma-udef rem-exp-log
+-commutative sum-log sub-neg flip3-+ exp-diff diff-log flip-+ distribute-lft-out
Counts
4 → 61
Calls
4 calls:
17.0ms
(exp (- (* x -2) x))
11.0ms
(+ 1 (exp (* x -2)))
0.0ms
(fma (exp x) (exp x) (+ 1 (exp (* x -2))))
0.0ms
(fma (exp (* x 2)) (exp x) (- (exp (- (* x -2) x))))

series220.0ms

Counts
4 → 12
Calls
4 calls:
15.0ms
(exp (- (* x -2) x))
16.0ms
(+ 1 (exp (* x -2)))
70.0ms
(fma (exp x) (exp x) (+ 1 (exp (* x -2))))
119.0ms
(fma (exp (* x 2)) (exp x) (- (exp (- (* x -2) x))))

simplify1.1s

Counts
73 → 73
Iterations
IterNodes
done5000
21143
1322
0143

prune482.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes38.0ms

Accuracy

0% (0.5b remaining)

Error of 0.6b against oracle of 0.1b and baseline of 0.6b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done16
116
012

end0.0ms

sample4.5s

Algorithm
intervals
Results
2.1s3334×body1280valid
902.0ms2534×body640valid
635.0ms1233×body320valid
545.0ms8313×body80valid
90.0ms628×body160valid