Details

Time bar (total: 35.2s)

sample205.0ms

Algorithm
intervals
Results
47.0ms52×body1280valid
47.0ms45×body10240exit
36.0ms292×body80valid
19.0ms31×body640valid
9.0ms25×body320valid
4.0ms14×body160valid

simplify3.3s

Counts
1 → 1
Iterations
IterNodes
done5005
41357
3352
2122
146
019

prune21.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.0b

localize81.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (- eps 1.0) x)
0.0b
(exp (* x (+ 1.0 eps)))
0.0b
(exp (* (- eps 1.0) x))
4.1b
(+ (/ (- 1.0 (/ 1.0 eps)) (exp (* x (+ 1.0 eps)))) (* (exp (* (- eps 1.0) x)) (+ 1.0 (/ 1.0 eps))))

rewrite329.0ms

Algorithm
rewrite-expression-head
Rules
12×add-log-exp
10×add-sqr-sqrt
*-un-lft-identity
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
associate-*l*
insert-posit16
exp-to-pow associate-*r*
distribute-rgt-in associate-+r+ exp-prod distribute-lft-in flip3-+ exp-sum associate-*l/ frac-add associate-*r/ flip-+ rem-exp-log
+-commutative sum-log flip3-- diff-log div-sub pow-prod-down prod-exp *-commutative associate-+l- cbrt-unprod flip-- distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 65
Calls
4 calls:
53.0ms
(* (- eps 1.0) x)
15.0ms
(exp (* x (+ 1.0 eps)))
24.0ms
(exp (* (- eps 1.0) x))
231.0ms
(+ (/ (- 1.0 (/ 1.0 eps)) (exp (* x (+ 1.0 eps)))) (* (exp (* (- eps 1.0) x)) (+ 1.0 (/ 1.0 eps))))

series575.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(* (- eps 1.0) x)
27.0ms
(exp (* x (+ 1.0 eps)))
34.0ms
(exp (* (- eps 1.0) x))
455.0ms
(+ (/ (- 1.0 (/ 1.0 eps)) (exp (* x (+ 1.0 eps)))) (* (exp (* (- eps 1.0) x)) (+ 1.0 (/ 1.0 eps))))

simplify3.4s

Counts
77 → 77
Iterations
IterNodes
done5006
21636
1435
0166

prune1.0s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 3.5b

localize62.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* x x) x)
0.4b
(/ 2.7755575615628914e-17 (/ eps (* (* x x) x)))
4.3b
(+ (* 1.0 (* x x)) (/ 2.7755575615628914e-17 (/ eps (* (* x x) x))))
4.9b
(/ eps (* (* x x) x))

rewrite247.0ms

Algorithm
rewrite-expression-head
Rules
36×times-frac
32×add-cbrt-cube add-exp-log
24×add-sqr-sqrt
23×pow1 *-un-lft-identity add-cube-cbrt
10×cbrt-undiv div-exp
prod-exp cbrt-unprod
associate-/r*
pow-plus pow-prod-up div-inv associate-/l* add-log-exp
insert-posit16
associate-*r* pow-prod-down
pow2 clear-num frac-2neg pow-sqr
+-commutative sum-log flip3-+ associate-*l* pow3 associate-/r/ *-commutative flip-+ unswap-sqr
Counts
4 → 116
Calls
4 calls:
50.0ms
(* (* x x) x)
40.0ms
(/ 2.7755575615628914e-17 (/ eps (* (* x x) x)))
88.0ms
(+ (* 1.0 (* x x)) (/ 2.7755575615628914e-17 (/ eps (* (* x x) x))))
53.0ms
(/ eps (* (* x x) x))

series306.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(* (* x x) x)
116.0ms
(/ 2.7755575615628914e-17 (/ eps (* (* x x) x)))
79.0ms
(+ (* 1.0 (* x x)) (/ 2.7755575615628914e-17 (/ eps (* (* x x) x))))
66.0ms
(/ eps (* (* x x) x))

simplify4.0s

Counts
128 → 128
Iterations
IterNodes
done5001
21715
1445
0172

prune1.3s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.5b

localize81.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 2.7755575615628914e-17 (/ eps (log (exp (* (* x x) x)))))
0.1b
(* (* x x) x)
1.0b
(log (exp (* (* x x) x)))
4.3b
(+ (* 1.0 (* x x)) (/ 2.7755575615628914e-17 (/ eps (log (exp (* (* x x) x))))))

rewrite131.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
70×add-sqr-sqrt
69×*-un-lft-identity add-cube-cbrt
39×log-pow
36×pow1
22×associate-/r*
19×add-log-exp
14×add-cbrt-cube add-exp-log
13×exp-prod exp-to-pow
pow-plus pow-prod-up
div-inv
insert-posit16
cbrt-undiv log-prod div-exp associate-*r* pow-prod-down prod-exp cbrt-unprod associate-/l*
pow2 pow-sqr
+-commutative clear-num sum-log frac-2neg flip3-+ rem-log-exp associate-*l* pow3 associate-/r/ *-commutative flip-+ unswap-sqr
Counts
4 → 163
Calls
4 calls:
16.0ms
(/ 2.7755575615628914e-17 (/ eps (log (exp (* (* x x) x)))))
26.0ms
(* (* x x) x)
5.0ms
(log (exp (* (* x x) x)))
69.0ms
(+ (* 1.0 (* x x)) (/ 2.7755575615628914e-17 (/ eps (log (exp (* (* x x) x))))))

series350.0ms

Counts
4 → 12
Calls
4 calls:
125.0ms
(/ 2.7755575615628914e-17 (/ eps (log (exp (* (* x x) x)))))
62.0ms
(* (* x x) x)
69.0ms
(log (exp (* (* x x) x)))
94.0ms
(+ (* 1.0 (* x x)) (/ 2.7755575615628914e-17 (/ eps (log (exp (* (* x x) x))))))

simplify4.2s

Counts
175 → 175
Iterations
IterNodes
done5002
22209
1660
0248

prune1.7s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.5b

localize103.0ms

Local error

Found 4 expressions with local error:

0.4b
(/ 2.7755575615628914e-17 (posit16->real (real->posit16 (/ eps (* (* x x) x)))))
4.3b
(+ (* 1.0 (* x x)) (/ 2.7755575615628914e-17 (posit16->real (real->posit16 (/ eps (* (* x x) x))))))
4.9b
(/ eps (* (* x x) x))
34.0b
(posit16->real (real->posit16 (/ eps (* (* x x) x))))

rewrite100.0ms

Algorithm
rewrite-expression-head
Rules
15×add-cbrt-cube add-exp-log
14×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
12×times-frac
associate-/l* add-log-exp
pow1 cbrt-undiv associate-/r* div-exp insert-posit16
prod-exp cbrt-unprod
clear-num frac-2neg div-inv
+-commutative sum-log flip3-+ flip-+ remove-posit16
Counts
4 → 73
Calls
4 calls:
7.0ms
(/ 2.7755575615628914e-17 (posit16->real (real->posit16 (/ eps (* (* x x) x)))))
30.0ms
(+ (* 1.0 (* x x)) (/ 2.7755575615628914e-17 (posit16->real (real->posit16 (/ eps (* (* x x) x))))))
58.0ms
(/ eps (* (* x x) x))
2.0ms
(posit16->real (real->posit16 (/ eps (* (* x x) x))))

series324.0ms

Counts
4 → 12
Calls
4 calls:
118.0ms
(/ 2.7755575615628914e-17 (posit16->real (real->posit16 (/ eps (* (* x x) x)))))
76.0ms
(+ (* 1.0 (* x x)) (/ 2.7755575615628914e-17 (posit16->real (real->posit16 (/ eps (* (* x x) x))))))
63.0ms
(/ eps (* (* x x) x))
67.0ms
(posit16->real (real->posit16 (/ eps (* (* x x) x))))

simplify2.8s

Counts
85 → 85
Iterations
IterNodes
done5001
21102
1311
0131

prune1.5s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.5b

regimes494.0ms

Accuracy

94.1% (1.0b remaining)

Error of 1.6b against oracle of 0.6b and baseline of 17.7b

bsearch200.0ms

Steps
ItersRangePoint
8
4.1750260115318935e-11
1.508099977930646e-06
1.4798868095701662e-06

simplify41.0ms

Iterations
IterNodes
done44
144
034

end0.0ms

sample8.4s

Algorithm
intervals
Results
2.4s10203×body80valid
2.3s1971×body10240exit
1.7s1717×body1280valid
981.0ms1176×body640valid
309.0ms656×body320valid
91.0ms277×body160valid