Details

Time bar (total: 13.6s)

sample180.0ms

Algorithm
intervals
Results
76.0ms1422×body80nan
25.0ms376×body80valid
3.0msbody640valid
2.0msbody1280valid
2.0msbody320valid
1.0msbody160valid

simplify399.0ms

Counts
1 → 1
Iterations

Useful iterations: 4 (31.0ms)

IterNodesCost
01718
13018
25818
311218
428617
597317
done500017

prune10.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 2.3b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(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)))
5.3b
(log (- 1.0 z))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
27×log-prod
24×add-sqr-sqrt
23×*-un-lft-identity
22×associate--l+
17×distribute-rgt-in distribute-lft-in
14×add-cube-cbrt associate-+r+
10×associate-+l+ associate-*r/
add-log-exp
pow1
add-exp-log
sub-neg flip3-- associate-*r* add-cbrt-cube flip--
distribute-lft-out--
frac-add difference-of-squares
exp-prod associate-*l*
log-div sum-log log-pow rem-exp-log
+-commutative flip3-+ rem-log-exp exp-sum pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 101
Calls
4 calls:
17.0ms
(exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
13.0ms
(* y (- (log z) t))
13.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
2.0ms
(log (- 1.0 z))

series444.0ms

Counts
4 → 12
Calls
4 calls:
142.0ms
(exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
72.0ms
(* y (- (log z) t))
186.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
44.0ms
(log (- 1.0 z))

simplify694.0ms

Counts
113 → 113
Iterations

Useful iterations: done (691.0ms)

IterNodesCost
02571795
16331715
222691590
done50001589

prune414.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.3b

localize27.0ms

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))))
0.1b
(* 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)))

rewrite632.0ms

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:
411.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
105.0ms
(exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
12.0ms
(* y (- (log z) t))
99.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

series590.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
165.0ms
(exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
74.0ms
(* y (- (log z) t))
247.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

simplify781.0ms

Counts
135 → 135
Iterations

Useful iterations: done (771.0ms)

IterNodesCost
02653383
16493262
225673067
done50003066

prune590.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* a b) (+ (* 1.0 (* a z)) (* 0.5 (* a (pow z 2)))))
0.0b
(exp (- (+ (* a b) (+ (* 1.0 (* a z)) (* 0.5 (* a (pow z 2)))))))
0.0b
(+ (* 1.0 (* a z)) (* 0.5 (* a (pow z 2))))
6.8b
(* a (pow z 2))

rewrite130.0ms

Algorithm
rewrite-expression-head
Rules
18×add-log-exp
16×add-sqr-sqrt
10×add-cube-cbrt exp-prod *-un-lft-identity
add-exp-log
associate-*r*
sum-log
add-cbrt-cube
pow1 unpow-prod-down rem-exp-log unswap-sqr
distribute-lft-neg-in distribute-rgt-neg-in associate-*l* neg-log prod-exp
+-commutative flip3-+ flip-+ unpow2 sqr-pow
neg-sub0 exp-neg pow-to-exp neg-mul-1 associate-+r+ distribute-neg-in exp-diff exp-sum pow-exp *-commutative cbrt-unprod
Counts
4 → 75
Calls
4 calls:
14.0ms
(+ (* a b) (+ (* 1.0 (* a z)) (* 0.5 (* a (pow z 2)))))
102.0ms
(exp (- (+ (* a b) (+ (* 1.0 (* a z)) (* 0.5 (* a (pow z 2)))))))
6.0ms
(+ (* 1.0 (* a z)) (* 0.5 (* a (pow z 2))))
6.0ms
(* a (pow z 2))

series243.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(+ (* a b) (+ (* 1.0 (* a z)) (* 0.5 (* a (pow z 2)))))
47.0ms
(exp (- (+ (* a b) (+ (* 1.0 (* a z)) (* 0.5 (* a (pow z 2)))))))
93.0ms
(+ (* 1.0 (* a z)) (* 0.5 (* a (pow z 2))))
33.0ms
(* a (pow z 2))

simplify540.0ms

Counts
87 → 87
Iterations

Useful iterations: 2 (113.0ms)

IterNodesCost
01321413
13501327
214031223
done50001223

prune274.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- 1.0 z) (exp b))
0.0b
(* (pow (/ z (exp t)) y) (* x (pow (/ (- 1.0 z) (exp b)) a)))
0.2b
(pow (/ z (exp t)) y)
1.7b
(pow (/ (- 1.0 z) (exp b)) a)

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
56×add-exp-log
54×add-sqr-sqrt *-un-lft-identity
48×times-frac
45×unpow-prod-down
40×add-cube-cbrt
36×prod-exp
22×pow-exp
17×associate-*l*
12×div-exp
11×pow-to-exp add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1 pow-unpow
associate-/l*
div-inv add-log-exp
associate-/r* cbrt-unprod sqr-pow
pow-pow associate-/l/
cbrt-undiv flip3-- frac-2neg div-sub associate-*r* clear-num *-commutative flip--
Counts
4 → 148
Calls
4 calls:
8.0ms
(/ (- 1.0 z) (exp b))
40.0ms
(* (pow (/ z (exp t)) y) (* x (pow (/ (- 1.0 z) (exp b)) a)))
4.0ms
(pow (/ z (exp t)) y)
12.0ms
(pow (/ (- 1.0 z) (exp b)) a)

series729.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(/ (- 1.0 z) (exp b))
474.0ms
(* (pow (/ z (exp t)) y) (* x (pow (/ (- 1.0 z) (exp b)) a)))
71.0ms
(pow (/ z (exp t)) y)
157.0ms
(pow (/ (- 1.0 z) (exp b)) a)

simplify854.0ms

Counts
160 → 160
Iterations

Useful iterations: 2 (198.0ms)

IterNodesCost
02842460
17022324
222512180
done50002180

prune522.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.0b

regimes179.0ms

Accuracy

0% (0.2b remaining)

Error of 0.5b against oracle of 0.3b and baseline of 0.5b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02530
13230
done3230

end0.0ms

sample5.2s

Algorithm
intervals
Results
2.2s40359×body80nan
755.0ms12297×body80valid
143.0ms413×body640valid
83.0ms390×body320valid
58.0ms80×body1280valid
39.0ms288×body160valid