Details

Time bar (total: 31.9s)

sample469.0ms

Algorithm
intervals
Results
224.0ms1488×body80nan
47.0ms403×body80valid
12.0ms19×body640valid
5.0msbody1280valid
4.0ms10×body320valid
3.0ms13×body160valid

simplify1.6s

Counts
1 → 1
Iterations

Useful iterations: 4 (65.0ms)

IterNodesCost
01718
13018
25818
312718
431117
5101017
done500017

prune29.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 3.5b

localize41.0ms

Local error

Found 4 expressions with local error:

0.0b
(* x (exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))))
0.2b
(* y (- (log z) t))
1.0b
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
5.2b
(log (- 1.0 z))

rewrite279.0ms

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:
149.0ms
(* x (exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))))
56.0ms
(* y (- (log z) t))
59.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
10.0ms
(log (- 1.0 z))

series772.0ms

Counts
4 → 12
Calls
4 calls:
294.0ms
(* x (exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))))
134.0ms
(* y (- (log z) t))
285.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
58.0ms
(log (- 1.0 z))

simplify1.4s

Counts
119 → 119
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02751996
16761916
221421751
done50021724

prune705.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 1.0b

localize60.0ms

Local error

Found 4 expressions with local error:

0.0b
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
0.0b
(exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
0.2b
(* y (- (log z) t))
1.0b
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

rewrite1.6s

Algorithm
rewrite-expression-head
Rules
44×associate--l+
27×*-un-lft-identity
25×add-sqr-sqrt
24×distribute-rgt-in log-prod distribute-lft-in
17×add-cube-cbrt
14×associate-+r+
13×associate-*r*
12×sub-neg associate-*r/
10×pow1 associate-+l+
add-log-exp
add-exp-log add-cbrt-cube
distribute-lft-out--
flip3-- associate-*l* flip--
frac-add
exp-prod
pow-prod-down prod-exp sum-log log-pow *-commutative cbrt-unprod rem-exp-log difference-of-squares unswap-sqr
+-commutative flip3-+ exp-sum flip-+
Counts
4 → 123
Calls
4 calls:
1.0s
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
238.0ms
(exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
31.0ms
(* y (- (log z) t))
251.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

series866.0ms

Counts
4 → 12
Calls
4 calls:
148.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
269.0ms
(exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
118.0ms
(* y (- (log z) t))
330.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

simplify1.2s

Counts
135 → 135
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02653383
16463262
220883069
done50002993

prune953.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize55.0ms

Local error

Found 4 expressions with local error:

0.0b
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
0.0b
(pow E (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
0.2b
(* y (- (log z) t))
1.0b
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

rewrite1.5s

Algorithm
rewrite-expression-head
Rules
44×associate--l+
28×*-un-lft-identity
26×add-sqr-sqrt
24×distribute-rgt-in log-prod distribute-lft-in
18×add-cube-cbrt
14×associate-+r+
13×associate-*r*
12×sub-neg associate-*r/
11×pow1
10×associate-+l+
add-exp-log
add-cbrt-cube
distribute-lft-out--
flip3-- associate-*l* flip-- add-log-exp
frac-add
unpow-prod-down pow-unpow
pow-prod-down pow-exp prod-exp log-pow *-commutative cbrt-unprod difference-of-squares unswap-sqr
unpow-prod-up +-commutative pow-to-exp e-exp-1 pow-pow flip3-+ sum-log flip-+ sqr-pow
Counts
4 → 129
Calls
4 calls:
956.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
230.0ms
(pow E (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
27.0ms
(* y (- (log z) t))
253.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

series918.0ms

Counts
4 → 12
Calls
4 calls:
152.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
286.0ms
(pow E (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
136.0ms
(* y (- (log z) t))
344.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

simplify1.3s

Counts
141 → 141
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02813759
16943571
222203395
done50013317

prune857.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize39.0ms

Local error

Found 4 expressions with local error:

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

rewrite627.0ms

Algorithm
rewrite-expression-head
Rules
56×associate--l+
36×log-prod
34×distribute-rgt-in distribute-lft-in
28×add-sqr-sqrt associate-+r+
26×*-un-lft-identity
20×add-cube-cbrt associate-+l+ associate-*r/
16×sub-neg
12×associate-*r*
10×pow1 flip3-- flip--
add-exp-log frac-add add-cbrt-cube add-log-exp
associate-*l*
distribute-lft-out--
+-commutative flip3-+ pow-prod-down prod-exp sum-log log-pow *-commutative cbrt-unprod flip-+ difference-of-squares unswap-sqr
Counts
4 → 144
Calls
4 calls:
31.0ms
(* y (- (log z) t))
28.0ms
(* y (- (log z) t))
277.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))
284.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

series997.0ms

Counts
4 → 12
Calls
4 calls:
97.0ms
(* y (- (log z) t))
116.0ms
(* y (- (log z) t))
383.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))
401.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

simplify981.0ms

Counts
156 → 156
Iterations

Useful iterations: done (971.0ms)

IterNodesCost
01953860
14953728
216563556
done50023412

prune1.4s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

regimes391.0ms

Accuracy

48.7% (0.2b remaining)

Error of 0.4b against oracle of 0.3b and baseline of 0.6b

bsearch5.0ms

simplify28.0ms

Iterations

Useful iterations: 0 (3.0ms)

IterNodesCost
047103
169103
282103
394103
4104103
done104103

end0.0ms

sample12.8s

Algorithm
intervals
Results
6.1s41075×body80nan
2.1s12533×body80valid
246.0ms362×body640valid
143.0ms413×body320valid
66.0ms65×body1280valid
57.0ms268×body160valid