Details

Time bar (total: 17.6s)

sample266.0ms

Algorithm
intervals
Results
95.0ms1259×body80nan
32.0ms398×body80valid
5.0ms11×body640valid
3.0ms13×body320valid
1.0msbody160valid
1.0msbody1280valid

simplify2.8s

Counts
1 → 1
Iterations

Useful iterations: 4 (35.0ms)

IterNodesCost
01718
13018
25818
311118
428217
595117
6464517
done500017

prune16.0ms

Filtered
1 candidates to 1 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 1.8b

Counts
2 → 2

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(* x (exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))))
0.1b
(* y (- (log z) t))
0.3b
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
5.9b
(log (- 1.0 z))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt log-prod
24×*-un-lft-identity
22×associate--l+
17×distribute-rgt-in distribute-lft-in
15×add-cube-cbrt
14×associate-+r+
10×pow1 associate-+l+ associate-*r/ associate-*r*
add-exp-log add-cbrt-cube
sub-neg flip3-- associate-*l* flip-- add-log-exp
distribute-lft-out--
frac-add difference-of-squares
log-div pow-prod-down prod-exp log-pow *-commutative cbrt-unprod unswap-sqr
+-commutative flip3-+ rem-log-exp exp-sum sum-log flip-+
Counts
4 → 107
Calls
4 calls:
13.0ms
(* x (exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))))
13.0ms
(* y (- (log z) t))
14.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
4.0ms
(log (- 1.0 z))

series135.0ms

Counts
4 → 12
Calls
4 calls:
75.0ms
(* x (exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))))
15.0ms
(* y (- (log z) t))
42.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
3.0ms
(log (- 1.0 z))

simplify733.0ms

Counts
119 → 119
Iterations

Useful iterations: done (729.0ms)

IterNodesCost
02802029
16911935
220981747
done50011742

prune227.0ms

Filtered
87 candidates to 119 candidates (-36.8%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New1136119
Fresh101
Picked101
Done000
Total1156121

Merged error: 0.0b

Counts
121 → 6

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (log z) t)
0.0b
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
0.1b
(* y (- (log z) t))
0.3b
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
47×associate--l+
30×*-un-lft-identity
27×add-sqr-sqrt log-prod
24×distribute-rgt-in distribute-lft-in
17×add-cube-cbrt
14×associate-+r+
13×sub-neg associate-*r*
12×associate-*r/
11×pow1
10×associate-+l+
distribute-lft-out--
add-exp-log add-cbrt-cube
flip3-- flip-- add-log-exp
associate-*l*
frac-add
log-pow difference-of-squares
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
+-commutative flip3-+ diff-log sum-log flip-+
Counts
4 → 128
Calls
4 calls:
5.0ms
(- (log z) t)
20.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
8.0ms
(* y (- (log z) t))
23.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

series112.0ms

Counts
4 → 12
Calls
4 calls:
12.0ms
(- (log z) t)
22.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
14.0ms
(* y (- (log z) t))
64.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

simplify747.0ms

Counts
140 → 140
Iterations

Useful iterations: done (742.0ms)

IterNodesCost
02533059
16052930
217772766
done50022689

prune334.0ms

Filtered
92 candidates to 140 candidates (-52.2%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New1400140
Fresh055
Picked011
Done000
Total1406146

Merged error: 0.0b

Counts
146 → 6

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(* x (exp (+ (* y (log z)) (- (* a (- (log (- 1.0 z)) b)) (* t y)))))
0.2b
(* y (log z))
0.3b
(- (* a (- (log (- 1.0 z)) b)) (* t y))
5.9b
(log (- 1.0 z))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
24×associate--l+
23×add-sqr-sqrt
21×log-prod
19×*-un-lft-identity
13×add-cube-cbrt
10×pow1 distribute-rgt-in distribute-lft-in
add-exp-log associate-*r* add-cbrt-cube
associate-*l* add-log-exp
sub-neg distribute-lft-out-- difference-of-squares
log-div flip3-- pow-prod-down prod-exp log-pow *-commutative flip-- cbrt-unprod unswap-sqr
associate-+r- exp-diff diff-log associate-*r/ rem-log-exp exp-sum
Counts
4 → 87
Calls
4 calls:
13.0ms
(* x (exp (+ (* y (log z)) (- (* a (- (log (- 1.0 z)) b)) (* t y)))))
5.0ms
(* y (log z))
14.0ms
(- (* a (- (log (- 1.0 z)) b)) (* t y))
5.0ms
(log (- 1.0 z))

series111.0ms

Counts
4 → 12
Calls
4 calls:
71.0ms
(* x (exp (+ (* y (log z)) (- (* a (- (log (- 1.0 z)) b)) (* t y)))))
7.0ms
(* y (log z))
29.0ms
(- (* a (- (log (- 1.0 z)) b)) (* t y))
3.0ms
(log (- 1.0 z))

simplify1.6s

Counts
99 → 99
Iterations

Useful iterations: 3 (839.0ms)

IterNodesCost
02331433
15071397
213191231
343791158
done50001158

prune187.0ms

Filtered
76 candidates to 99 candidates (-30.3%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New98199
Fresh044
Picked101
Done011
Total996105

Merged error: 0b

Counts
105 → 6

localize19.0ms

Local error

Found 4 expressions with local error:

0.3b
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
0.3b
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
5.9b
(log (- 1.0 z))
5.9b
(log (- 1.0 z))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
42×log-prod
32×associate--l+
28×associate-+r+
26×add-sqr-sqrt *-un-lft-identity
24×distribute-rgt-in distribute-lft-in
20×associate-+l+
16×associate-*r/
14×add-cube-cbrt
10×flip3-- flip--
sub-neg frac-add add-log-exp
pow1 add-exp-log distribute-lft-out-- difference-of-squares
log-div add-cbrt-cube
+-commutative flip3-+ rem-log-exp sum-log log-pow flip-+
Counts
4 → 110
Calls
4 calls:
14.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
14.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
4.0ms
(log (- 1.0 z))
4.0ms
(log (- 1.0 z))

series94.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
46.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
3.0ms
(log (- 1.0 z))
3.0ms
(log (- 1.0 z))

simplify578.0ms

Counts
122 → 122
Iterations

Useful iterations: done (574.0ms)

IterNodesCost
01922332
14962222
215562068
done50002032

prune339.0ms

Filtered
98 candidates to 122 candidates (-24.5%)
Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New1220122
Fresh044
Picked011
Done011
Total1226128

Merged error: 0b

Counts
128 → 6

regimes878.0ms

Accuracy

0% (0.2b remaining)

Error of 0.6b against oracle of 0.3b and baseline of 0.6b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02530
13230
done3230

end0.0ms

sample8.1s

Algorithm
intervals
Results
3.0s41332×body80nan
1.0s12646×body80valid
142.0ms350×body640valid
106.0ms393×body320valid
61.0ms84×body1280valid
44.0ms260×body160valid

Profiling

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