Details

Time bar (total: 5.8s)

analyze827.0ms

Algorithm
search

sample95.0ms

Algorithm
intervals
Results
22.0ms284×body80nan
18.0ms233×body80valid
15.0ms155×body80invalid
3.0ms13×body320valid
2.0msbody1280valid
2.0msbody640valid
1.0msbody320invalid
1.0msbody160valid
1.0msbody160invalid
0.0msbody640invalid

simplify37.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03010
15810
212910
331810
4107310
5500110

prune6.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 1.0b

Counts
2 → 1

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (log z) t)
0.0b
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
0.2b
(* y (- (log z) t))
7.0b
(log (- 1.0 z))

rewrite32.0ms

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×add-cube-cbrt associate-+r+
10×associate-+l+ associate-*r/
pow1
add-exp-log sub-neg flip3-- flip-- distribute-lft-out-- add-log-exp
associate-*r* add-cbrt-cube
difference-of-squares
frac-add
associate-*l* log-pow
log-div
+-commutative flip3-+ diff-log rem-log-exp pow-prod-down prod-exp sum-log *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 106
Calls
4 calls:
4.0ms
(- (log z) t)
14.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
7.0ms
(* y (- (log z) t))
3.0ms
(log (- 1.0 z))

series63.0ms

Counts
4 → 12
Calls
4 calls:
9.0ms
(- (log z) t)
38.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
13.0ms
(* y (- (log z) t))
3.0ms
(log (- 1.0 z))

simplify65.0ms

Algorithm
egg-herbie
Counts
118 → 118
Iterations

Useful iterations: 2 (51.0ms)

IterNodesCost
0615897
12222843
25001813

prune180.0ms

Filtered
83 candidates to 118 candidates (-42.2%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New1171118
Fresh000
Picked101
Done000
Total1181119

Merged error: 0.0b

Counts
119 → 1

localize23.0ms

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
(- (log z) t)
0.0b
(+ (* 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))

rewrite56.0ms

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:
18.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
4.0ms
(- (log z) t)
20.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))
7.0ms
(* y (- (log z) t))

series98.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
9.0ms
(- (log z) t)
53.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))
14.0ms
(* y (- (log z) t))

simplify78.0ms

Algorithm
egg-herbie
Counts
140 → 140
Iterations

Useful iterations: 2 (60.0ms)

IterNodesCost
06161574
124861490
250011463

prune292.0ms

Filtered
89 candidates to 140 candidates (-57.3%)
Pruning

1 alts after pruning (0 fresh and 1 done)

PrunedKeptTotal
New1400140
Fresh000
Picked011
Done000
Total1401141

Merged error: 0.0b

Counts
141 → 1

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03216
13216

end0.0ms

analyze815.0ms

Algorithm
search

sample3.1s

Algorithm
intervals
Results
864.0ms10732×body80nan
605.0ms7228×body80valid
429.0ms5298×body80invalid
104.0ms243×body640valid
80.0ms289×body320valid
52.0ms63×body1280valid
47.0ms112×body640invalid
35.0ms132×body320invalid
31.0ms177×body160valid
17.0ms96×body160invalid
15.0ms20×body1280invalid

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