Details

Time bar (total: 23.6s)

sample240.0ms

Algorithm
intervals
Results
117.0ms1375×body80nan
30.0ms418×body80valid
5.0ms13×body640valid
5.0ms12×body320valid
3.0msbody1280valid
2.0ms11×body160valid

simplify1.5s

Counts
1 → 1
Iterations
IterNodes
done5001
51299
4353
3127
258
130
017

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 2.0b

localize38.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (log z) t)
0.2b
(* y (- (log z) t))
0.5b
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
6.1b
(log (- 1.0 z))

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
30×log-prod
26×add-sqr-sqrt *-un-lft-identity
25×associate--l+
17×distribute-rgt-in distribute-lft-in
14×associate-+r+ add-cube-cbrt
10×associate-+l+ associate-*r/
pow1
sub-neg flip3-- add-exp-log flip-- distribute-lft-out-- add-log-exp
add-cbrt-cube associate-*r*
difference-of-squares
frac-add
associate-*l* log-pow
log-div
+-commutative sum-log flip3-+ diff-log rem-log-exp pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 106
Calls
4 calls:
10.0ms
(- (log z) t)
36.0ms
(* y (- (log z) t))
32.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
6.0ms
(log (- 1.0 z))

series509.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(- (log z) t)
99.0ms
(* y (- (log z) t))
259.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
60.0ms
(log (- 1.0 z))

simplify1.4s

Counts
118 → 118
Iterations
IterNodes
done5000
22201
1617
0241

prune852.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.5b

localize51.0ms

Local error

Found 4 expressions with local error:

0.2b
(* y (- (log z) t))
0.2b
(* (/ 1.0 z) (/ 1.0 z))
0.5b
(/ 1/2 (* (/ 1.0 z) (/ 1.0 z)))
0.5b
(+ (* y (- (log z) t)) (* a (- (- (- (log 1.0) (* 1.0 z)) (/ 1/2 (* (/ 1.0 z) (/ 1.0 z)))) b)))

rewrite197.0ms

Algorithm
rewrite-expression-head
Rules
58×add-sqr-sqrt
45×*-un-lft-identity
43×times-frac
42×associate--l+ add-cube-cbrt
36×add-cbrt-cube add-exp-log
19×distribute-rgt-in distribute-lft-in associate-*r*
18×associate-+r+ log-prod
16×associate-*l*
14×pow1
13×cbrt-undiv swap-sqr div-exp
12×associate-*r/
10×associate-+l+ sub-neg
prod-exp cbrt-unprod
add-log-exp
flip3-- div-inv flip-- unswap-sqr
frac-add
associate-/r/ associate-/l*
frac-times pow-prod-down associate-*l/ *-commutative distribute-lft-out--
pow2 +-commutative clear-num associate-/r* sum-log frac-2neg flip3-+ pow-plus pow-sqr log-pow pow-prod-up flip-+ difference-of-squares
Counts
4 → 173
Calls
4 calls:
23.0ms
(* y (- (log z) t))
18.0ms
(* (/ 1.0 z) (/ 1.0 z))
11.0ms
(/ 1/2 (* (/ 1.0 z) (/ 1.0 z)))
138.0ms
(+ (* y (- (log z) t)) (* a (- (- (- (log 1.0) (* 1.0 z)) (/ 1/2 (* (/ 1.0 z) (/ 1.0 z)))) b)))

series409.0ms

Counts
4 → 12
Calls
4 calls:
85.0ms
(* y (- (log z) t))
28.0ms
(* (/ 1.0 z) (/ 1.0 z))
37.0ms
(/ 1/2 (* (/ 1.0 z) (/ 1.0 z)))
258.0ms
(+ (* y (- (log z) t)) (* a (- (- (- (log 1.0) (* 1.0 z)) (/ 1/2 (* (/ 1.0 z) (/ 1.0 z)))) b)))

simplify970.0ms

Counts
185 → 185
Iterations
IterNodes
done5000
11002
0329

prune1.4s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize52.0ms

Local error

Found 3 expressions with local error:

0.0b
(exp (- (+ (* (* z a) 1.0) (+ (* b a) (* (* z (* z 0.5)) a)))))
0.0b
(+ (* (* z a) 1.0) (+ (* b a) (* (* z (* z 0.5)) a)))
6.2b
(* (* z (* z 0.5)) a)

rewrite271.0ms

Algorithm
rewrite-expression-head
Rules
15×add-log-exp
12×pow1 add-cbrt-cube add-exp-log
10×exp-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
sum-log pow-prod-down prod-exp cbrt-unprod
rem-exp-log
distribute-lft-neg-in distribute-rgt-neg-in associate-*r* neg-log
neg-sub0 exp-neg +-commutative associate-+r+ distribute-neg-in neg-mul-1 flip3-+ exp-diff associate-*l* exp-sum *-commutative flip-+
Counts
3 → 58
Calls
3 calls:
182.0ms
(exp (- (+ (* (* z a) 1.0) (+ (* b a) (* (* z (* z 0.5)) a)))))
27.0ms
(+ (* (* z a) 1.0) (+ (* b a) (* (* z (* z 0.5)) a)))
61.0ms
(* (* z (* z 0.5)) a)

series148.0ms

Counts
3 → 9
Calls
3 calls:
70.0ms
(exp (- (+ (* (* z a) 1.0) (+ (* b a) (* (* z (* z 0.5)) a)))))
54.0ms
(+ (* (* z a) 1.0) (+ (* b a) (* (* z (* z 0.5)) a)))
24.0ms
(* (* z (* z 0.5)) a)

simplify1.9s

Counts
67 → 67
Iterations
IterNodes
done5001
22014
1342
0124

prune339.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (+ (* a (+ b (* z (* z 0.5)))) (* (* 1.0 a) z)))
0.0b
(/ 1 (exp (+ (* a (+ b (* z (* z 0.5)))) (* (* 1.0 a) z))))
0.0b
(+ (* a (+ b (* z (* z 0.5)))) (* (* 1.0 a) z))
0.0b
(* a (+ b (* z (* z 0.5))))

rewrite135.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
17×*-un-lft-identity add-cube-cbrt
12×times-frac
add-log-exp
add-cbrt-cube
pow1 add-exp-log
exp-prod
exp-sum
associate-/r* pow-flip
associate-*r* associate-*l* associate-/l*
distribute-rgt-in associate-+l+ sum-log distribute-lft-in flip3-+ div-exp associate-*r/ flip-+ rem-exp-log
cbrt-undiv +-commutative rec-exp clear-num frac-2neg 1-exp pow-prod-down prod-exp *-commutative cbrt-unprod div-inv inv-pow unswap-sqr
Counts
4 → 86
Calls
4 calls:
38.0ms
(exp (+ (* a (+ b (* z (* z 0.5)))) (* (* 1.0 a) z)))
61.0ms
(/ 1 (exp (+ (* a (+ b (* z (* z 0.5)))) (* (* 1.0 a) z))))
21.0ms
(+ (* a (+ b (* z (* z 0.5)))) (* (* 1.0 a) z))
14.0ms
(* a (+ b (* z (* z 0.5))))

series285.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(exp (+ (* a (+ b (* z (* z 0.5)))) (* (* 1.0 a) z)))
73.0ms
(/ 1 (exp (+ (* a (+ b (* z (* z 0.5)))) (* (* 1.0 a) z))))
71.0ms
(+ (* a (+ b (* z (* z 0.5)))) (* (* 1.0 a) z))
83.0ms
(* a (+ b (* z (* z 0.5))))

simplify1.4s

Counts
98 → 98
Iterations
IterNodes
done5001
21909
1393
0143

prune634.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes374.0ms

Accuracy

0% (0.2b remaining)

Error of 0.4b against oracle of 0.2b and baseline of 0.4b

bsearch0.0ms

simplify8.0ms

Iterations
IterNodes
done28
128
023

end0.0ms

sample10.5s

Algorithm
intervals
Results
5.6s41321×body80nan
1.8s12560×body80valid
189.0ms370×body640valid
139.0ms430×body320valid
86.0ms260×body160valid
81.0ms82×body1280valid