Details

Time bar (total: 16.2s)

sample77.0ms

Algorithm
intervals
Results
32.0ms58×body1280valid
18.0ms43×body640valid
11.0ms131×body80valid
4.0ms14×body320valid
2.0ms10×body160valid

simplify1.3s

Counts
1 → 1
Iterations
IterNodes
done2017
82017
7682
6240
5101
451
330
222
118
09

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.4b

localize27.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 2 (+ 1 (exp (* -2 x))))
0.0b
(+ 1 (exp (* -2 x)))
2.6b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

rewrite119.0ms

Algorithm
rewrite-expression-head
Rules
101×*-un-lft-identity
74×add-sqr-sqrt
63×times-frac add-cube-cbrt
54×prod-diff
18×fma-neg
17×distribute-lft-out
10×associate-/r/
add-exp-log
add-log-exp
flip3-+ flip-+
add-cbrt-cube div-inv
associate-/r* difference-of-squares
expm1-log1p-u pow1 fma-def insert-posit16 log1p-expm1-u associate-/l*
expm1-def difference-of-sqr-1 div-exp
cbrt-undiv +-commutative clear-num sum-log sub-neg frac-2neg flip3-- diff-log flip-- distribute-lft-out--
Counts
3 → 150
Calls
3 calls:
20.0ms
(/ 2 (+ 1 (exp (* -2 x))))
12.0ms
(+ 1 (exp (* -2 x)))
83.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

series119.0ms

Counts
3 → 9
Calls
3 calls:
22.0ms
(/ 2 (+ 1 (exp (* -2 x))))
17.0ms
(+ 1 (exp (* -2 x)))
80.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

simplify1.3s

Counts
159 → 159
Iterations
IterNodes
done2000
32000
2944
1426
0183

prune1.4s

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 2 (+ 1 (exp (* x -2))))
0.0b
(+ 1 (exp (* x -2)))
2.6b
(- (/ 2 (+ 1 (exp (* x -2)))) 1)

rewrite106.0ms

Algorithm
rewrite-expression-head
Rules
101×*-un-lft-identity
74×add-sqr-sqrt
63×times-frac add-cube-cbrt
54×prod-diff
18×fma-neg
17×distribute-lft-out
10×associate-/r/
add-exp-log
add-log-exp
flip3-+ flip-+
add-cbrt-cube div-inv
associate-/r* difference-of-squares
expm1-log1p-u pow1 fma-def insert-posit16 log1p-expm1-u associate-/l*
expm1-def difference-of-sqr-1 div-exp
cbrt-undiv +-commutative clear-num sum-log sub-neg frac-2neg flip3-- diff-log flip-- distribute-lft-out--
Counts
3 → 150
Calls
3 calls:
19.0ms
(/ 2 (+ 1 (exp (* x -2))))
7.0ms
(+ 1 (exp (* x -2)))
76.0ms
(- (/ 2 (+ 1 (exp (* x -2)))) 1)

series133.0ms

Counts
3 → 9
Calls
3 calls:
35.0ms
(/ 2 (+ 1 (exp (* x -2))))
23.0ms
(+ 1 (exp (* x -2)))
74.0ms
(- (/ 2 (+ 1 (exp (* x -2)))) 1)

simplify1.2s

Counts
159 → 159
Iterations
IterNodes
done2003
32003
21079
1432
0185

prune1.6s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize35.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma (pow x 5) 2/15 x)
0.1b
(* (* x x) x)
19.1b
(fma (* (* x x) x) -1/3 (fma (pow x 5) 2/15 x))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
22×pow1
add-cbrt-cube add-exp-log
pow-plus pow-prod-up
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
expm1-log1p-u associate-*r* pow-prod-down prod-exp cbrt-unprod insert-posit16 log1p-expm1-u add-log-exp
pow2 pow-sqr fma-udef
associate-*l* pow3 *-commutative unswap-sqr
Counts
3 → 53
Calls
3 calls:
0.0ms
(fma (pow x 5) 2/15 x)
22.0ms
(* (* x x) x)
1.0ms
(fma (* (* x x) x) -1/3 (fma (pow x 5) 2/15 x))

series331.0ms

Counts
3 → 9
Calls
3 calls:
173.0ms
(fma (pow x 5) 2/15 x)
66.0ms
(* (* x x) x)
91.0ms
(fma (* (* x x) x) -1/3 (fma (pow x 5) 2/15 x))

simplify1.2s

Counts
62 → 62
Iterations
IterNodes
done2033
42033
31648
2385
1134
070

prune612.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize28.0ms

Local error

Found 4 expressions with local error:

13.3b
(cbrt (fma (pow x 5) 2/15 x))
13.3b
(cbrt (fma (pow x 5) 2/15 x))
13.3b
(cbrt (fma (pow x 5) 2/15 x))
19.1b
(fma (* (* x x) x) -1/3 (* (* (cbrt (fma (pow x 5) 2/15 x)) (cbrt (fma (pow x 5) 2/15 x))) (cbrt (fma (pow x 5) 2/15 x))))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
pow1/3
fma-udef
Counts
4 → 53
Calls
4 calls:
1.0ms
(cbrt (fma (pow x 5) 2/15 x))
1.0ms
(cbrt (fma (pow x 5) 2/15 x))
1.0ms
(cbrt (fma (pow x 5) 2/15 x))
0.0ms
(fma (* (* x x) x) -1/3 (* (* (cbrt (fma (pow x 5) 2/15 x)) (cbrt (fma (pow x 5) 2/15 x))) (cbrt (fma (pow x 5) 2/15 x))))

series2.5s

Counts
4 → 12
Calls
4 calls:
870.0ms
(cbrt (fma (pow x 5) 2/15 x))
780.0ms
(cbrt (fma (pow x 5) 2/15 x))
796.0ms
(cbrt (fma (pow x 5) 2/15 x))
91.0ms
(fma (* (* x x) x) -1/3 (* (* (cbrt (fma (pow x 5) 2/15 x)) (cbrt (fma (pow x 5) 2/15 x))) (cbrt (fma (pow x 5) 2/15 x))))

simplify964.0ms

Counts
65 → 65
Iterations
IterNodes
done2000
42000
31476
2466
1187
090

prune620.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes127.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 29.1b

bsearch106.0ms

Steps
ItersRangePoint
7
0.00021366299023797085
0.0042870261776910435
0.004220693910151683
9
-0.41146448125146995
-7.139329650713034e-08
-0.0076877843038582255

simplify4.0ms

Iterations
IterNodes
done31
131
023

end0.0ms

sample2.3s

Algorithm
intervals
Results
1.1s1702×body1280valid
409.0ms1218×body640valid
391.0ms4125×body80valid
177.0ms630×body320valid
47.0ms325×body160valid