Details

Time bar (total: 18.4s)

sample73.0ms

Algorithm
intervals
Results
24.0ms51×body1280valid
17.0ms47×body640valid
9.0ms122×body80valid
6.0ms26×body320valid
1.0ms10×body160valid

simplify3.3s

Counts
1 → 1
Iterations
IterNodes
done5002
82490
7682
6240
5101
451
330
222
118
09

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.9b

localize25.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ 2 (+ 1 (exp (* -2 x))))
4.4b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
97×*-un-lft-identity
72×add-sqr-sqrt
63×times-frac
61×add-cube-cbrt
54×prod-diff
18×fma-neg
16×distribute-lft-out
10×associate-/r/
add-exp-log
flip3-+ flip-+ div-inv
associate-/r* add-cbrt-cube add-log-exp difference-of-squares
associate-/l*
expm1-log1p-u pow1 expm1-def difference-of-sqr-1 div-exp insert-posit16 log1p-expm1-u
cbrt-undiv clear-num sub-neg frac-2neg flip3-- diff-log flip-- distribute-lft-out--
Counts
2 → 132
Calls
2 calls:
21.0ms
(/ 2 (+ 1 (exp (* -2 x))))
63.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

series129.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(/ 2 (+ 1 (exp (* -2 x))))
87.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

simplify2.8s

Counts
138 → 138
Iterations
IterNodes
done5001
32451
2948
1397
0172

prune484.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize34.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma (pow x 5) 2/15 x)
0.1b
(* (* x x) x)
17.2b
(fma -1/3 (* (* x x) x) (fma (pow x 5) 2/15 x))

rewrite33.0ms

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)
32.0ms
(* (* x x) x)
1.0ms
(fma -1/3 (* (* x x) x) (fma (pow x 5) 2/15 x))

series318.0ms

Counts
3 → 9
Calls
3 calls:
194.0ms
(fma (pow x 5) 2/15 x)
52.0ms
(* (* x x) x)
73.0ms
(fma -1/3 (* (* x x) x) (fma (pow x 5) 2/15 x))

simplify1.7s

Counts
62 → 62
Iterations
IterNodes
done5006
31700
2388
1136
070

prune293.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma (pow x 5) 2/15 x)
0.1b
(* (* x x) x)
0.7b
(log (exp (* (* x x) x)))
20.6b
(fma -1/3 (log (exp (* (* x x) x))) (fma (pow x 5) 2/15 x))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
24×pow1
add-cbrt-cube add-exp-log
add-sqr-sqrt
*-un-lft-identity pow-plus pow-prod-up add-cube-cbrt
add-log-exp
expm1-log1p-u insert-posit16 log1p-expm1-u
log-prod associate-*r* pow-prod-down prod-exp log-pow cbrt-unprod
pow2 pow-sqr fma-udef
exp-prod exp-to-pow rem-log-exp associate-*l* pow3 *-commutative unswap-sqr
Counts
4 → 70
Calls
4 calls:
0.0ms
(fma (pow x 5) 2/15 x)
24.0ms
(* (* x x) x)
4.0ms
(log (exp (* (* x x) x)))
0.0ms
(fma -1/3 (log (exp (* (* x x) x))) (fma (pow x 5) 2/15 x))

series334.0ms

Counts
4 → 12
Calls
4 calls:
151.0ms
(fma (pow x 5) 2/15 x)
62.0ms
(* (* x x) x)
45.0ms
(log (exp (* (* x x) x)))
76.0ms
(fma -1/3 (log (exp (* (* x x) x))) (fma (pow x 5) 2/15 x))

simplify2.0s

Counts
82 → 82
Iterations
IterNodes
done5005
31521
2419
1161
090

prune363.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize60.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* x x) x)
0.7b
(log (sqrt (exp (* (* x x) x))))
0.7b
(log (sqrt (exp (* (* x x) x))))
20.6b
(fma -1/3 (+ (log (sqrt (exp (* (* x x) x)))) (log (sqrt (exp (* (* x x) x))))) (fma (pow x 5) 2/15 x))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
27×pow1
12×log-prod
11×add-exp-log
10×add-sqr-sqrt log-pow
*-un-lft-identity add-cbrt-cube add-cube-cbrt
sqrt-pow1 pow-plus pow-prod-up sqrt-prod add-log-exp
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-*r* pow-prod-down prod-exp cbrt-unprod
pow2 exp-prod exp-to-pow pow1/2 rem-log-exp pow-sqr
associate-*l* pow3 *-commutative fma-udef unswap-sqr
Counts
4 → 86
Calls
4 calls:
31.0ms
(* (* x x) x)
9.0ms
(log (sqrt (exp (* (* x x) x))))
16.0ms
(log (sqrt (exp (* (* x x) x))))
1.0ms
(fma -1/3 (+ (log (sqrt (exp (* (* x x) x)))) (log (sqrt (exp (* (* x x) x))))) (fma (pow x 5) 2/15 x))

series1.1s

Counts
4 → 12
Calls
4 calls:
42.0ms
(* (* x x) x)
480.0ms
(log (sqrt (exp (* (* x x) x))))
449.0ms
(log (sqrt (exp (* (* x x) x))))
148.0ms
(fma -1/3 (+ (log (sqrt (exp (* (* x x) x)))) (log (sqrt (exp (* (* x x) x))))) (fma (pow x 5) 2/15 x))

simplify1.7s

Counts
98 → 98
Iterations
IterNodes
done5004
31400
2442
1182
098

prune498.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

regimes109.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 31.8b

bsearch114.0ms

Steps
ItersRangePoint
10
0.006928851504795399
801012902.7811656
0.006998885945432241
7
-0.3435485504518341
-0.0018335887134067947
-0.00838956395365049

simplify4.0ms

Iterations
IterNodes
done33
133
025

end0.0ms

sample2.6s

Algorithm
intervals
Results
1.3s1674×body1280valid
537.0ms1231×body640valid
319.0ms4175×body80valid
180.0ms634×body320valid
47.0ms286×body160valid