Details

Time bar (total: 31.8s)

sample303.0ms

Algorithm
intervals
Results
95.0ms69×body10240exit
54.0ms49×body1280valid
53.0ms323×body80valid
37.0ms22×body320valid
32.0ms42×body640valid
2.0msbody160valid

simplify1.9s

Counts
1 → 1
Iterations
IterNodes
53061
4844
3296
2120
146
019

prune21.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.5b

localize34.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (- x) (* x eps))
0.0b
(/ (exp (+ (- x) (* x eps))) eps)
0.0b
(/ (exp (- (- x) (* x eps))) eps)
1.5b
(- (+ (exp (+ (- x) (* x eps))) (/ (exp (+ (- x) (* x eps))) eps)) (- (/ (exp (- (- x) (* x eps))) eps) (exp (- (- x) (* x eps)))))

rewrite748.0ms

Algorithm
rewrite-expression-head
Rules
35×*-un-lft-identity
27×times-frac
25×add-sqr-sqrt
23×add-cube-cbrt
20×add-log-exp
12×exp-sum frac-sub
associate-/l*
add-cbrt-cube exp-diff
associate-/r* sub-neg diff-log add-exp-log distribute-lft-out--
neg-sub0 associate-+l-
pow1 sum-log flip3-+ flip3-- flip-+ insert-posit16 flip--
frac-add
cbrt-undiv clear-num frac-2neg div-exp div-inv distribute-lft-out associate--r+ associate-/l/
+-commutative neg-log associate--l+ associate--r- difference-of-squares
Counts
4 → 118
Calls
4 calls:
7.0ms
(+ (- x) (* x eps))
23.0ms
(/ (exp (+ (- x) (* x eps))) eps)
25.0ms
(/ (exp (- (- x) (* x eps))) eps)
691.0ms
(- (+ (exp (+ (- x) (* x eps))) (/ (exp (+ (- x) (* x eps))) eps)) (- (/ (exp (- (- x) (* x eps))) eps) (exp (- (- x) (* x eps)))))

series256.0ms

Counts
4 → 12
Calls
4 calls:
54.0ms
(+ (- x) (* x eps))
40.0ms
(/ (exp (+ (- x) (* x eps))) eps)
29.0ms
(/ (exp (- (- x) (* x eps))) eps)
131.0ms
(- (+ (exp (+ (- x) (* x eps))) (/ (exp (+ (- x) (* x eps))) eps)) (- (/ (exp (- (- x) (* x eps))) eps) (exp (- (- x) (* x eps)))))

simplify1.3s

Counts
130 → 130
Iterations
IterNodes
22690
1677
0252

prune1.7s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.5b

localize24.0ms

Local error

Found 3 expressions with local error:

0.1b
(* x (* (* x x) 2/3))
0.2b
(* (* x x) 2/3)
6.8b
(+ (- 2 (* x x)) (* x (* (* x x) 2/3)))

rewrite119.0ms

Algorithm
rewrite-expression-head
Rules
17×pow1 add-cbrt-cube add-exp-log
pow-prod-down prod-exp cbrt-unprod
add-log-exp
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
associate-*r* associate-*l*
insert-posit16
associate-+l+ sum-log *-commutative
+-commutative sub-neg flip3-+ diff-log associate-+l- flip-+ unswap-sqr
Counts
3 → 58
Calls
3 calls:
72.0ms
(* x (* (* x x) 2/3))
24.0ms
(* (* x x) 2/3)
22.0ms
(+ (- 2 (* x x)) (* x (* (* x x) 2/3)))

series154.0ms

Counts
3 → 9
Calls
3 calls:
64.0ms
(* x (* (* x x) 2/3))
44.0ms
(* (* x x) 2/3)
46.0ms
(+ (- 2 (* x x)) (* x (* (* x x) 2/3)))

simplify1.7s

Counts
67 → 67
Iterations
IterNodes
33301
2764
1242
091

prune610.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.5b

localize36.0ms

Local error

Found 3 expressions with local error:

0.1b
(* (* 2/3 x) (* x x))
0.3b
(* 2/3 x)
6.8b
(- (+ (* (* 2/3 x) (* x x)) 2) (* x x))

rewrite261.0ms

Algorithm
rewrite-expression-head
Rules
17×pow1 add-cbrt-cube add-exp-log
pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-log-exp
*-un-lft-identity add-cube-cbrt
associate-*r* associate-*l*
insert-posit16
diff-log *-commutative
sum-log sub-neg flip3-- associate--l+ flip-- difference-of-squares unswap-sqr
Counts
3 → 58
Calls
3 calls:
22.0ms
(* (* 2/3 x) (* x x))
10.0ms
(* 2/3 x)
227.0ms
(- (+ (* (* 2/3 x) (* x x)) 2) (* x x))

series149.0ms

Counts
3 → 9
Calls
3 calls:
70.0ms
(* (* 2/3 x) (* x x))
26.0ms
(* 2/3 x)
53.0ms
(- (+ (* (* 2/3 x) (* x x)) 2) (* x x))

simplify3.7s

Counts
67 → 67
Iterations
IterNodes
36452
2954
1243
092

prune536.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.5b

localize38.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* 2/3 x) (* x x))
0.3b
(* 2/3 x)
3.6b
(posit16->real (real->posit16 (- (+ (* (* 2/3 x) (* x x)) 2) (* x x))))
6.8b
(- (+ (* (* 2/3 x) (* x x)) 2) (* x x))

rewrite187.0ms

Algorithm
rewrite-expression-head
Rules
18×pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt pow-prod-down prod-exp cbrt-unprod add-log-exp
*-un-lft-identity add-cube-cbrt
associate-*r* associate-*l* insert-posit16
diff-log *-commutative
sum-log sub-neg flip3-- associate--l+ remove-posit16 flip-- difference-of-squares unswap-sqr
Counts
4 → 67
Calls
4 calls:
38.0ms
(* (* 2/3 x) (* x x))
5.0ms
(* 2/3 x)
0.0ms
(posit16->real (real->posit16 (- (+ (* (* 2/3 x) (* x x)) 2) (* x x))))
142.0ms
(- (+ (* (* 2/3 x) (* x x)) 2) (* x x))

series158.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(* (* 2/3 x) (* x x))
27.0ms
(* 2/3 x)
51.0ms
(posit16->real (real->posit16 (- (+ (* (* 2/3 x) (* x x)) 2) (* x x))))
39.0ms
(- (+ (* (* 2/3 x) (* x x)) 2) (* x x))

simplify3.6s

Counts
79 → 79
Iterations
IterNodes
35709
2941
1256
0101

prune1.6s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.5b

regimes233.0ms

Accuracy

96.4% (0.6b remaining)

Error of 1.0b against oracle of 0.4b and baseline of 16.8b

bsearch352.0ms

Steps
ItersRangePoint
10
0.0042870261776910435
159184409.05021107
2.1846861365271546

simplify10.0ms

Iterations
IterNodes
232
132
025

end0.0ms

sample12.0s

Algorithm
intervals
Results
3.5s1767×body1280valid
3.2s1964×body10240exit
2.6s9993×body80valid
1.3s1282×body640valid
876.0ms636×body320valid
141.0ms282×body160valid