Details

Time bar (total: 24.1s)

sample62.0ms

Algorithm
intervals
Results
22.0ms51×body1280valid
13.0ms43×body640valid
9.0ms135×body80valid
4.0ms17×body320valid
1.0ms10×body160valid

simplify1.2s

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

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.0b

localize25.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1 (exp (* -2 x)))
0.0b
(/ 2 (+ 1 (exp (* -2 x))))
1.9b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

rewrite152.0ms

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:
11.0ms
(+ 1 (exp (* -2 x)))
20.0ms
(/ 2 (+ 1 (exp (* -2 x))))
117.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

series149.0ms

Counts
3 → 9
Calls
3 calls:
12.0ms
(+ 1 (exp (* -2 x)))
41.0ms
(/ 2 (+ 1 (exp (* -2 x))))
96.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

simplify1.1s

Counts
159 → 159
Iterations
IterNodes
done2002
32002
2930
1426
0183

prune1.4s

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize55.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (cbrt (- (/ 2 (+ 1 (exp (* -2 x)))) 1)) (cbrt (- (/ 2 (+ 1 (exp (* -2 x)))) 1)))
1.9b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)
1.9b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)
1.9b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

rewrite509.0ms

Algorithm
rewrite-expression-head
Rules
272×*-un-lft-identity
259×add-sqr-sqrt
169×times-frac
162×prod-diff add-cube-cbrt
56×cbrt-prod
54×fma-neg
36×distribute-lft-out
32×difference-of-squares
24×associate-/r/
19×swap-sqr
18×difference-of-sqr-1
15×add-exp-log
13×associate-*r* associate-*l*
12×cbrt-div flip3-+ flip-+ div-inv
11×pow1
10×add-log-exp
flip3-- flip-- distribute-lft-out--
expm1-def pow1/3
expm1-log1p-u frac-times add-cbrt-cube insert-posit16 log1p-expm1-u unswap-sqr
sub-neg diff-log div-exp
pow-prod-down associate-*l/ associate-*r/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 366
Calls
4 calls:
232.0ms
(* (cbrt (- (/ 2 (+ 1 (exp (* -2 x)))) 1)) (cbrt (- (/ 2 (+ 1 (exp (* -2 x)))) 1)))
57.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)
99.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)
114.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

series498.0ms

Counts
4 → 12
Calls
4 calls:
261.0ms
(* (cbrt (- (/ 2 (+ 1 (exp (* -2 x)))) 1)) (cbrt (- (/ 2 (+ 1 (exp (* -2 x)))) 1)))
92.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)
76.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)
69.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

simplify1.5s

Counts
378 → 378
Iterations
IterNodes
done2001
32001
21049
1510
0239

prune4.8s

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize54.0ms

Local error

Found 4 expressions with local error:

0.1b
(exp (log (* (cbrt (- (/ 2 (+ 1 (exp (* -2 x)))) 1)) (cbrt (- (/ 2 (+ 1 (exp (* -2 x)))) 1)))))
1.9b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)
1.9b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)
1.9b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

rewrite550.0ms

Algorithm
rewrite-expression-head
Rules
239×*-un-lft-identity
188×add-sqr-sqrt
162×prod-diff
155×add-cube-cbrt
153×times-frac
54×fma-neg
36×distribute-lft-out
24×associate-/r/
13×add-exp-log
12×pow1 cbrt-div exp-prod flip3-+ flip-+ div-inv difference-of-squares
10×add-log-exp
flip3-- log-pow flip--
log-div exp-diff
expm1-def pow1/3 difference-of-sqr-1
expm1-log1p-u frac-times add-cbrt-cube insert-posit16 log1p-expm1-u
sub-neg diff-log div-exp distribute-lft-out--
pow-prod-down associate-*l/ associate-*r/ pow-sqr pow-prod-up
pow2 log-prod pow-plus exp-sum rem-exp-log
Counts
4 → 320
Calls
4 calls:
248.0ms
(exp (log (* (cbrt (- (/ 2 (+ 1 (exp (* -2 x)))) 1)) (cbrt (- (/ 2 (+ 1 (exp (* -2 x)))) 1)))))
87.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)
82.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)
125.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

series468.0ms

Counts
4 → 12
Calls
4 calls:
226.0ms
(exp (log (* (cbrt (- (/ 2 (+ 1 (exp (* -2 x)))) 1)) (cbrt (- (/ 2 (+ 1 (exp (* -2 x)))) 1)))))
92.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)
76.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)
72.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

simplify1.3s

Counts
332 → 332
Iterations
IterNodes
done2001
32001
21006
1496
0238

prune5.5s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize20.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma (pow x 5) 2/15 x)
0.1b
(* x (* x x))
22.4b
(fma -1/3 (* x (* x x)) (fma (pow x 5) 2/15 x))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
17×pow1
add-cbrt-cube add-exp-log
add-sqr-sqrt pow-prod-up
*-un-lft-identity add-cube-cbrt
expm1-log1p-u associate-*l* pow-prod-down prod-exp cbrt-unprod insert-posit16 log1p-expm1-u add-log-exp
fma-udef
pow2 pow-plus cube-unmult associate-*r* pow-sqr *-commutative unswap-sqr
Counts
3 → 49
Calls
3 calls:
0.0ms
(fma (pow x 5) 2/15 x)
31.0ms
(* x (* x x))
1.0ms
(fma -1/3 (* x (* x x)) (fma (pow x 5) 2/15 x))

series329.0ms

Counts
3 → 9
Calls
3 calls:
210.0ms
(fma (pow x 5) 2/15 x)
44.0ms
(* x (* x x))
75.0ms
(fma -1/3 (* x (* x x)) (fma (pow x 5) 2/15 x))

simplify1.2s

Counts
58 → 58
Iterations
IterNodes
done2034
42034
31429
2365
1122
071

prune497.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes285.0ms

Accuracy

100% (0.0b remaining)

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

bsearch1.0ms

simplify9.0ms

Iterations
IterNodes
done37
137
028

end0.0ms

sample2.4s

Algorithm
intervals
Results
1.0s1692×body1280valid
566.0ms1236×body640valid
385.0ms4125×body80valid
168.0ms639×body320valid
88.0ms308×body160valid