Details

Time bar (total: 11.3s)

sample120.0ms

Algorithm
intervals
Results
40.0ms94×body10240exit
38.0ms72×body1280valid
16.0ms47×body640valid
7.0ms99×body80valid
6.0ms23×body320valid
2.0ms15×body160valid

simplify7.0ms

Counts
1 → 1
Iterations
IterNodes
done11
211
110
05

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.3b

localize13.0ms

Local error

Found 2 expressions with local error:

0.8b
(/ (exp x) (- (exp x) 1))
4.2b
(- (exp x) 1)

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
29×*-un-lft-identity
21×times-frac
14×add-cube-cbrt
10×difference-of-squares
associate-/r*
difference-of-sqr-1 distribute-lft-out--
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 → 63
Calls
2 calls:
36.0ms
(/ (exp x) (- (exp x) 1))
13.0ms
(- (exp x) 1)

series53.0ms

Counts
2 → 6
Calls
2 calls:
31.0ms
(/ (exp x) (- (exp x) 1))
22.0ms
(- (exp x) 1)

simplify1.1s

Counts
69 → 69
Iterations
IterNodes
done2018
42018
31632
2502
1203
0101

prune174.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.7b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (/ 1 x) 1/2)
0.0b
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
0.3b
(* 1/12 x)

rewrite37.0ms

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:
8.0ms
(+ (/ 1 x) 1/2)
23.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
5.0ms
(* 1/12 x)

series55.0ms

Counts
3 → 9
Calls
3 calls:
19.0ms
(+ (/ 1 x) 1/2)
15.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
21.0ms
(* 1/12 x)

simplify996.0ms

Counts
56 → 56
Iterations
IterNodes
done2004
32004
2723
1210
076

prune181.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.7b

localize37.0ms

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))
0.3b
(* 1/12 x)
59.5b
(posit16->real (real->posit16 (* 1/12 x)))

rewrite59.0ms

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:
8.0ms
(+ (/ 1 x) 1/2)
44.0ms
(+ (posit16->real (real->posit16 (* 1/12 x))) (+ (/ 1 x) 1/2))
5.0ms
(* 1/12 x)
0.0ms
(posit16->real (real->posit16 (* 1/12 x)))

series88.0ms

Counts
4 → 12
Calls
4 calls:
18.0ms
(+ (/ 1 x) 1/2)
26.0ms
(+ (posit16->real (real->posit16 (* 1/12 x))) (+ (/ 1 x) 1/2))
26.0ms
(* 1/12 x)
17.0ms
(posit16->real (real->posit16 (* 1/12 x)))

simplify1.1s

Counts
71 → 71
Iterations
IterNodes
done2000
32000
2752
1223
086

prune466.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.7b

localize37.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (+ (* 1/12 x) (+ (/ 1 x) 1/2))) (cbrt (+ (* 1/12 x) (+ (/ 1 x) 1/2))))
0.5b
(cbrt (+ (* 1/12 x) (+ (/ 1 x) 1/2)))
0.5b
(cbrt (+ (* 1/12 x) (+ (/ 1 x) 1/2)))
0.5b
(cbrt (+ (* 1/12 x) (+ (/ 1 x) 1/2)))

rewrite270.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
18×cbrt-div
15×*-un-lft-identity add-cube-cbrt
11×pow1
flip3-+ pow1/3 flip-+
swap-sqr associate-*r* associate-*l* add-exp-log
frac-times add-cbrt-cube insert-posit16 add-log-exp unswap-sqr
pow-prod-down associate-*l/ associate-*r/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 91
Calls
4 calls:
196.0ms
(* (cbrt (+ (* 1/12 x) (+ (/ 1 x) 1/2))) (cbrt (+ (* 1/12 x) (+ (/ 1 x) 1/2))))
17.0ms
(cbrt (+ (* 1/12 x) (+ (/ 1 x) 1/2)))
17.0ms
(cbrt (+ (* 1/12 x) (+ (/ 1 x) 1/2)))
38.0ms
(cbrt (+ (* 1/12 x) (+ (/ 1 x) 1/2)))

series444.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(* (cbrt (+ (* 1/12 x) (+ (/ 1 x) 1/2))) (cbrt (+ (* 1/12 x) (+ (/ 1 x) 1/2))))
130.0ms
(cbrt (+ (* 1/12 x) (+ (/ 1 x) 1/2)))
125.0ms
(cbrt (+ (* 1/12 x) (+ (/ 1 x) 1/2)))
106.0ms
(cbrt (+ (* 1/12 x) (+ (/ 1 x) 1/2)))

simplify1.3s

Counts
103 → 103
Iterations
IterNodes
done2001
32001
21084
1371
0152

prune518.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.7b

regimes251.0ms

Accuracy

98.5% (0.3b remaining)

Error of 0.7b against oracle of 0.3b and baseline of 21.9b

bsearch53.0ms

Steps
ItersRangePoint
8
-0.0009127344879205425
-1.3816842601692823e-07
-2.9436761867628915e-05

simplify7.0ms

Iterations
IterNodes
done27
127
020

end0.0ms

sample3.8s

Algorithm
intervals
Results
1.6s2317×body1280valid
1.2s2532×body10240exit
462.0ms1580×body640valid
199.0ms2916×body80valid
190.0ms794×body320valid
56.0ms394×body160valid