Details

Time bar (total: 30.1s)

sample117.0ms

Algorithm
intervals
Results
37.0ms76×body1280valid
36.0ms75×body10240exit
15.0ms50×body640valid
6.0ms91×body80valid
5.0ms26×body320valid
2.0ms13×body160valid

simplify22.0ms

Counts
1 → 1
Iterations
IterNodes
done8
28
17
05

prune14.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 42.2b

localize59.0ms

Local error

Found 2 expressions with local error:

1.2b
(/ (exp x) (- (exp x) 1.0))
3.2b
(- (exp x) 1.0)

rewrite122.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/r* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-log-exp
add-exp-log associate-/l*
pow1 flip3-- associate-/r/ insert-posit16 flip--
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-exp div-inv
Counts
2 → 53
Calls
2 calls:
69.0ms
(/ (exp x) (- (exp x) 1.0))
48.0ms
(- (exp x) 1.0)

series75.0ms

Counts
2 → 6
Calls
2 calls:
54.0ms
(/ (exp x) (- (exp x) 1.0))
21.0ms
(- (exp x) 1.0)

simplify3.4s

Counts
59 → 59
Iterations
IterNodes
done5000
31518
2542
1193
093

prune457.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 1.1b

localize123.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* (* x x) (+ (* 1/6 x) 1/2)) x)
0.0b
(/ (exp x) (+ (* (* x x) (+ (* 1/6 x) 1/2)) x))
0.1b
(* (* x x) (+ (* 1/6 x) 1/2))
0.4b
(* 1/6 x)

rewrite396.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
15×*-un-lft-identity add-cube-cbrt
13×add-cbrt-cube
12×add-exp-log
11×pow1
times-frac
associate-*r* add-log-exp
associate-*l* pow-prod-down prod-exp cbrt-unprod insert-posit16
associate-/r* flip3-+ flip-+ associate-/l*
distribute-rgt-in associate-+l+ distribute-lft-in associate-*r/ associate-/r/ *-commutative unswap-sqr
cbrt-undiv +-commutative clear-num sum-log frac-2neg div-exp div-inv
Counts
4 → 87
Calls
4 calls:
57.0ms
(+ (* (* x x) (+ (* 1/6 x) 1/2)) x)
171.0ms
(/ (exp x) (+ (* (* x x) (+ (* 1/6 x) 1/2)) x))
149.0ms
(* (* x x) (+ (* 1/6 x) 1/2))
14.0ms
(* 1/6 x)

series260.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(+ (* (* x x) (+ (* 1/6 x) 1/2)) x)
71.0ms
(/ (exp x) (+ (* (* x x) (+ (* 1/6 x) 1/2)) x))
116.0ms
(* (* x x) (+ (* 1/6 x) 1/2))
27.0ms
(* 1/6 x)

simplify3.6s

Counts
99 → 99
Iterations
IterNodes
done5014
21489
1425
0162

prune995.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 1.1b

localize71.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (/ 1 x) 1/2)
0.0b
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
0.4b
(* 1/12 x)

rewrite198.0ms

Algorithm
rewrite-expression-head
Rules
10×add-log-exp
*-un-lft-identity
add-sqr-sqrt
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
sum-log
associate-*r* associate-*l* insert-posit16
+-commutative flip3-+ flip-+ distribute-lft-out
associate-+r+ pow-prod-down prod-exp *-commutative cbrt-unprod div-inv unswap-sqr
Counts
3 → 47
Calls
3 calls:
59.0ms
(+ (/ 1 x) 1/2)
121.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
14.0ms
(* 1/12 x)

series64.0ms

Counts
3 → 9
Calls
3 calls:
16.0ms
(+ (/ 1 x) 1/2)
19.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
29.0ms
(* 1/12 x)

simplify7.7s

Counts
56 → 56
Iterations
IterNodes
done5001
33638
2730
1212
076

prune516.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 1.1b

localize128.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (/ 1 x) 1/2)
0.0b
(+ (posit16->real (real->posit16 (* 1/12 x))) (+ (/ 1 x) 1/2))
0.4b
(* 1/12 x)
59.8b
(posit16->real (real->posit16 (* 1/12 x)))

rewrite226.0ms

Algorithm
rewrite-expression-head
Rules
16×*-un-lft-identity
11×add-log-exp
add-sqr-sqrt
distribute-lft-out
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
sum-log insert-posit16
associate-*r* associate-*l*
+-commutative flip3-+ flip-+ div-inv
associate-+r+ pow-prod-down prod-exp *-commutative cbrt-unprod remove-posit16 unswap-sqr
Counts
4 → 59
Calls
4 calls:
56.0ms
(+ (/ 1 x) 1/2)
149.0ms
(+ (posit16->real (real->posit16 (* 1/12 x))) (+ (/ 1 x) 1/2))
15.0ms
(* 1/12 x)
1.0ms
(posit16->real (real->posit16 (* 1/12 x)))

series105.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(+ (/ 1 x) 1/2)
34.0ms
(+ (posit16->real (real->posit16 (* 1/12 x))) (+ (/ 1 x) 1/2))
26.0ms
(* 1/12 x)
19.0ms
(posit16->real (real->posit16 (* 1/12 x)))

simplify6.6s

Counts
71 → 71
Iterations
IterNodes
done5030
33328
2710
1224
086

prune750.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 1.1b

regimes334.0ms

Accuracy

0% (0.6b remaining)

Error of 1.0b against oracle of 0.4b and baseline of 1.0b

bsearch0.0ms

simplify5.0ms

Iterations
IterNodes
done14
114
010

end0.0ms

sample3.8s

Algorithm
intervals
Results
1.6s2564×body10240exit
916.0ms2148×body1280valid
527.0ms1647×body640valid
235.0ms2958×body80valid
164.0ms828×body320valid
56.0ms420×body160valid