Details

Time bar (total: 38.3s)

sample379.0ms

Algorithm
intervals
Results
161.0ms63×body10240exit
83.0ms64×body1280valid
70.0ms343×body80valid
21.0ms29×body640valid
11.0ms18×body320valid
3.0msbody160valid

simplify2.0s

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: 27.5b

localize66.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (+ (- x) (* x eps)))
0.0b
(exp (- (- x) (* x eps)))
0.0b
(exp (- (- x) (* x eps)))
1.9b
(- (+ (exp (+ (- x) (* x eps))) (/ (exp (+ (- x) (* x eps))) eps)) (- (/ (exp (- (- x) (* x eps))) eps) (exp (- (- x) (* x eps)))))

rewrite824.0ms

Algorithm
rewrite-expression-head
Rules
31×add-log-exp
19×*-un-lft-identity
12×frac-sub
10×diff-log
add-sqr-sqrt exp-prod exp-diff rem-exp-log
add-cube-cbrt
distribute-lft-out--
exp-sum
neg-sub0 pow1 sum-log sub-neg flip3-- add-cbrt-cube add-exp-log associate-+l- insert-posit16 flip--
flip3-+ neg-log frac-add flip-+
distribute-lft-out associate--r+
associate--l+ associate--r- difference-of-squares
Counts
4 → 84
Calls
4 calls:
33.0ms
(exp (+ (- x) (* x eps)))
32.0ms
(exp (- (- x) (* x eps)))
32.0ms
(exp (- (- x) (* x eps)))
726.0ms
(- (+ (exp (+ (- x) (* x eps))) (/ (exp (+ (- x) (* x eps))) eps)) (- (/ (exp (- (- x) (* x eps))) eps) (exp (- (- x) (* x eps)))))

series175.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(exp (+ (- x) (* x eps)))
23.0ms
(exp (- (- x) (* x eps)))
15.0ms
(exp (- (- x) (* x eps)))
112.0ms
(- (+ (exp (+ (- x) (* x eps))) (/ (exp (+ (- x) (* x eps))) eps)) (- (/ (exp (- (- x) (* x eps))) eps) (exp (- (- x) (* x eps)))))

simplify5.3s

Counts
96 → 96
Iterations
IterNodes
311629
21931
1478
0168

prune1.3s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.2b

localize83.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (- (* eps x) x))
0.0b
(exp (- (- (* eps x)) x))
0.0b
(exp (- (- (* eps x)) x))
3.0b
(- (/ (exp (- (* eps x) x)) eps) (/ (exp (- (- (* eps x)) x)) eps))

rewrite244.0ms

Algorithm
rewrite-expression-head
Rules
34×times-frac
33×add-sqr-sqrt
32×*-un-lft-identity
30×exp-sum
19×add-log-exp
17×add-cube-cbrt
16×exp-prod sub-neg distribute-rgt-out--
rem-exp-log
diff-log distribute-lft-out-- difference-of-squares
pow1 add-cbrt-cube add-exp-log insert-posit16
exp-diff
distribute-lft-neg-in neg-log div-inv
flip3-- frac-sub flip-- sub-div
Counts
4 → 93
Calls
4 calls:
35.0ms
(exp (- (* eps x) x))
34.0ms
(exp (- (- (* eps x)) x))
35.0ms
(exp (- (- (* eps x)) x))
137.0ms
(- (/ (exp (- (* eps x) x)) eps) (/ (exp (- (- (* eps x)) x)) eps))

series152.0ms

Counts
4 → 12
Calls
4 calls:
18.0ms
(exp (- (* eps x) x))
21.0ms
(exp (- (- (* eps x)) x))
18.0ms
(exp (- (- (* eps x)) x))
95.0ms
(- (/ (exp (- (* eps x) x)) eps) (/ (exp (- (- (* eps x)) x)) eps))

simplify5.8s

Counts
105 → 105
Iterations
IterNodes
48393
31911
2712
1268
0128

prune1.6s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

localize30.0ms

Local error

Found 3 expressions with local error:

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

rewrite79.0ms

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:
46.0ms
(* (* x 2/3) (* x x))
9.0ms
(* x 2/3)
23.0ms
(+ (- 2 (* x x)) (* (* x 2/3) (* x x)))

series500.0ms

Counts
3 → 9
Calls
3 calls:
70.0ms
(* (* x 2/3) (* x x))
26.0ms
(* x 2/3)
404.0ms
(+ (- 2 (* x x)) (* (* x 2/3) (* x x)))

simplify2.5s

Counts
67 → 67
Iterations
IterNodes
35318
2896
1241
091

prune522.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.2b

localize46.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (posit16->real (real->posit16 (* x 2/3))) (* x x))
0.3b
(* x 2/3)
6.8b
(+ (- 2 (* x x)) (* (posit16->real (real->posit16 (* x 2/3))) (* x x)))
60.4b
(posit16->real (real->posit16 (* x 2/3)))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
11×pow1 add-cbrt-cube add-exp-log
10×add-sqr-sqrt
add-log-exp
*-un-lft-identity add-cube-cbrt
associate-*l*
associate-*r* pow-prod-down prod-exp cbrt-unprod insert-posit16
associate-+l+ sum-log *-commutative unswap-sqr
+-commutative sub-neg flip3-+ diff-log associate-+l- flip-+ remove-posit16
Counts
4 → 64
Calls
4 calls:
18.0ms
(* (posit16->real (real->posit16 (* x 2/3))) (* x x))
6.0ms
(* x 2/3)
21.0ms
(+ (- 2 (* x x)) (* (posit16->real (real->posit16 (* x 2/3))) (* x x)))
0.0ms
(posit16->real (real->posit16 (* x 2/3)))

series169.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(* (posit16->real (real->posit16 (* x 2/3))) (* x x))
26.0ms
(* x 2/3)
62.0ms
(+ (- 2 (* x x)) (* (posit16->real (real->posit16 (* x 2/3))) (* x x)))
27.0ms
(posit16->real (real->posit16 (* x 2/3)))

simplify2.9s

Counts
76 → 76
Iterations
IterNodes
34959
2855
1251
098

prune1.4s

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.2b

regimes152.0ms

Accuracy

0% (0.8b remaining)

Error of 1.2b against oracle of 0.5b and baseline of 1.2b

bsearch0.0ms

simplify7.0ms

Iterations
IterNodes
326
226
124
017

end0.0ms

sample12.1s

Algorithm
intervals
Results
3.6s1920×body10240exit
3.5s1731×body1280valid
2.5s10099×body80valid
1.5s1262×body640valid
392.0ms645×body320valid
173.0ms312×body160valid