Details

Time bar (total: 20.3s)

sample132.0ms

Algorithm
intervals
Results
96.0ms184×body1280valid
11.0ms249×body80valid
10.0ms42×body640valid
3.0ms15×body320valid
1.0msbody160valid

simplify537.0ms

Counts
1 → 1
Iterations
IterNodes
done225
10225
9215
8135
772
659
551
448
339
226
115
07

prune21.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 27.8b

localize25.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (exp x) 2)
3.2b
(+ (- (exp x) 2) (exp (- x)))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
25×*-un-lft-identity
20×add-sqr-sqrt
18×prod-diff
16×add-cube-cbrt
11×associate-+l+
add-log-exp
fma-def
frac-add
flip3-- fma-neg flip-- distribute-lft-out--
neg-sub0 exp-neg expm1-log1p-u pow1 sum-log sub-neg add-cbrt-cube exp-diff diff-log add-exp-log insert-posit16 log1p-expm1-u distribute-lft-out difference-of-squares
+-commutative flip3-+ associate-+l- flip-+
Counts
2 → 67
Calls
2 calls:
12.0ms
(- (exp x) 2)
48.0ms
(+ (- (exp x) 2) (exp (- x)))

series88.0ms

Counts
2 → 6
Calls
2 calls:
21.0ms
(- (exp x) 2)
67.0ms
(+ (- (exp x) 2) (exp (- x)))

simplify2.5s

Counts
73 → 73
Iterations
IterNodes
done5000
33952
2944
1300
0124

prune324.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize40.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma (* (* x x) (* x x)) 1/12 (* x x))
0.1b
(* (* x x) (* (* x x) (* x x)))
0.1b
(* (* x x) (* x x))
0.1b
(* (* x x) (* x x))

rewrite165.0ms

Algorithm
rewrite-expression-head
Rules
848×pow1
370×pow-prod-up
175×pow-prod-down
153×pow-sqr
140×pow-plus
99×pow2
69×add-cbrt-cube add-exp-log
47×prod-exp cbrt-unprod
add-sqr-sqrt expm1-log1p-u *-un-lft-identity add-cube-cbrt insert-posit16 log1p-expm1-u add-log-exp
associate-*r* associate-*l* *-commutative unswap-sqr
swap-sqr
cube-unmult fma-udef
Counts
4 → 337
Calls
4 calls:
0.0ms
(fma (* (* x x) (* x x)) 1/12 (* x x))
97.0ms
(* (* x x) (* (* x x) (* x x)))
24.0ms
(* (* x x) (* x x))
34.0ms
(* (* x x) (* x x))

series336.0ms

Counts
4 → 12
Calls
4 calls:
146.0ms
(fma (* (* x x) (* x x)) 1/12 (* x x))
67.0ms
(* (* x x) (* (* x x) (* x x)))
67.0ms
(* (* x x) (* x x))
56.0ms
(* (* x x) (* x x))

simplify2.9s

Counts
349 → 349
Iterations
IterNodes
done5000
32568
2799
1350
0135

prune388.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* x x) (* (* x x) (* x x)))
0.1b
(* (* x x) (* x x))
0.1b
(* (* x x) (* x x))
1.2b
(log (exp (* (* x x) (* (* x x) (* x x)))))

rewrite181.0ms

Algorithm
rewrite-expression-head
Rules
849×pow1
370×pow-prod-up
175×pow-prod-down
153×pow-sqr
140×pow-plus
99×pow2
69×add-cbrt-cube add-exp-log
47×prod-exp cbrt-unprod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt add-log-exp
expm1-log1p-u insert-posit16 log1p-expm1-u
log-prod associate-*r* associate-*l* log-pow *-commutative unswap-sqr
swap-sqr
exp-prod exp-to-pow cube-unmult rem-log-exp
Counts
4 → 343
Calls
4 calls:
88.0ms
(* (* x x) (* (* x x) (* x x)))
24.0ms
(* (* x x) (* x x))
38.0ms
(* (* x x) (* x x))
12.0ms
(log (exp (* (* x x) (* (* x x) (* x x)))))

series268.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(* (* x x) (* (* x x) (* x x)))
54.0ms
(* (* x x) (* x x))
70.0ms
(* (* x x) (* x x))
66.0ms
(log (exp (* (* x x) (* (* x x) (* x x)))))

simplify4.0s

Counts
355 → 355
Iterations
IterNodes
done5002
43508
31370
2630
1361
0139

prune464.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ -2 (exp (- x)))
2.9b
(+ (exp x) (+ -2 (exp (- x))))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
11×*-un-lft-identity
add-log-exp
fma-def
add-sqr-sqrt sum-log add-cube-cbrt distribute-lft-out
expm1-log1p-u pow1 +-commutative flip3-+ add-cbrt-cube add-exp-log flip-+ insert-posit16 log1p-expm1-u
associate-+r+
Counts
2 → 39
Calls
2 calls:
11.0ms
(+ -2 (exp (- x)))
30.0ms
(+ (exp x) (+ -2 (exp (- x))))

series131.0ms

Counts
2 → 6
Calls
2 calls:
22.0ms
(+ -2 (exp (- x)))
108.0ms
(+ (exp x) (+ -2 (exp (- x))))

simplify2.3s

Counts
45 → 45
Iterations
IterNodes
done5000
34270
2878
1220
080

prune206.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes25.0ms

Accuracy

0% (0.6b remaining)

Error of 0.7b against oracle of 0.0b and baseline of 0.7b

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done9
19
08

end0.0ms

sample5.1s

Algorithm
intervals
Results
3.7s5608×body1280valid
484.0ms8115×body80valid
431.0ms1252×body640valid
159.0ms629×body320valid
42.0ms336×body160valid