Details

Time bar (total: 28.0s)

sample74.0ms

Algorithm
intervals
Results
25.0ms45×body1280valid
16.0ms40×body640valid
12.0ms140×body80valid
6.0ms21×body320valid
2.0ms10×body160valid

simplify12.0s

Counts
1 → 1
Iterations
IterNodes
99494
81963
7550
6229
5103
451
330
222
118
09

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.4b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1 (exp (* -2 x)))
0.0b
(/ 2 (+ 1 (exp (* -2 x))))
3.4b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

rewrite115.0ms

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)))
11.0ms
(/ 2 (+ 1 (exp (* -2 x))))
88.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

series113.0ms

Counts
3 → 9
Calls
3 calls:
16.0ms
(+ 1 (exp (* -2 x)))
23.0ms
(/ 2 (+ 1 (exp (* -2 x))))
74.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

simplify1.1s

Counts
159 → 159
Iterations
IterNodes
32004
2866
1407
0183

prune1.5s

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize35.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 2 (+ 1 (exp (* -2 x))))
0.0b
(/ 2 (+ 1 (exp (* -2 x))))
0.0b
(* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))))
3.4b
(fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1)

rewrite137.0ms

Algorithm
rewrite-expression-head
Rules
116×*-un-lft-identity
88×times-frac
70×add-sqr-sqrt
58×add-cube-cbrt
26×distribute-lft-out
24×swap-sqr
20×add-cbrt-cube add-exp-log
18×associate-*r* associate-*l*
12×associate-/r/
11×pow1
associate-/r*
cbrt-undiv flip3-+ div-exp flip-+ div-inv associate-/l*
expm1-log1p-u prod-exp cbrt-unprod insert-posit16 log1p-expm1-u add-log-exp unswap-sqr
clear-num frac-2neg
pow2 frac-times pow-plus pow-prod-down associate-*l/ associate-*r/ pow-sqr *-commutative pow-prod-up fma-udef
Counts
4 → 174
Calls
4 calls:
25.0ms
(/ 2 (+ 1 (exp (* -2 x))))
21.0ms
(/ 2 (+ 1 (exp (* -2 x))))
85.0ms
(* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))))
0.0ms
(fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1)

series211.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(/ 2 (+ 1 (exp (* -2 x))))
32.0ms
(/ 2 (+ 1 (exp (* -2 x))))
35.0ms
(* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))))
121.0ms
(fma (/ 2 (+ 1 (exp (* -2 x)))) (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) -1)

simplify4.0s

Counts
186 → 186
Iterations
IterNodes
35357
21637
1556
0181

prune2.0s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 3 expressions with local error:

0.1b
(* x (* x x))
0.2b
(fma (pow x 5) 2/15 x)
22.0b
(fma -1/3 (* x (* x x)) (fma (pow x 5) 2/15 x))

rewrite21.0ms

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:
16.0ms
(* x (* x x))
4.0ms
(fma (pow x 5) 2/15 x)
0.0ms
(fma -1/3 (* x (* x x)) (fma (pow x 5) 2/15 x))

series262.0ms

Counts
3 → 9
Calls
3 calls:
42.0ms
(* x (* x x))
156.0ms
(fma (pow x 5) 2/15 x)
64.0ms
(fma -1/3 (* x (* x x)) (fma (pow x 5) 2/15 x))

simplify2.9s

Counts
58 → 58
Iterations
IterNodes
47009
31200
2310
1123
071

prune532.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0.0b

regimes235.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 29.8b

bsearch138.0ms

Steps
ItersRangePoint
8
4.2592438902487584e-05
0.10106394179147121
0.007644269470426118
9
-3.0421098639022524
-5.8481452536585384e-08
-0.005900779815178019

simplify30.0ms

Iterations
IterNodes
237
137
028

end0.0ms

sample2.5s

Algorithm
intervals
Results
980.0ms1773×body1280valid
674.0ms4033×body80valid
447.0ms1248×body640valid
216.0ms603×body320valid
54.0ms343×body160valid