Details

Time bar (total: 10.4s)

sample181.0ms

Algorithm
intervals
Results
73.0ms1280×body80nan
25.0ms371×body80valid
6.0ms19×body640valid
4.0ms20×body320valid
3.0msbody1280valid
1.0msbody160valid

simplify41.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
03010
15810
212910
331810
4107310
5500110

prune4.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 1.7b

Counts
2 → 1

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(* x (exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))))
0.2b
(* y (- (log z) t))
0.5b
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
5.5b
(log (- 1.0 z))

rewrite39.0ms

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:
12.0ms
(* x (exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))))
7.0ms
(* y (- (log z) t))
12.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
3.0ms
(log (- 1.0 z))

series474.0ms

Counts
4 → 12
Calls
4 calls:
160.0ms
(* x (exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))))
75.0ms
(* y (- (log z) t))
192.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
47.0ms
(log (- 1.0 z))

simplify75.0ms

Algorithm
egg-herbie
Counts
119 → 119
Iterations

Useful iterations: 2 (63.0ms)

IterNodesCost
06751085
127231003
25001985

prune408.0ms

Filtered
119 candidates to 88 candidates (73.9%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New1136119
Fresh000
Picked101
Done000
Total1146120

Merged error: 0.3b

Counts
120 → 6

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

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
44×associate--l+
28×add-sqr-sqrt *-un-lft-identity
24×distribute-rgt-in log-prod distribute-lft-in
18×add-cube-cbrt
17×associate-*r*
14×associate-+r+
12×pow1 sub-neg associate-*r/
10×associate-+l+ add-cbrt-cube
add-exp-log associate-*l*
distribute-lft-out--
flip3-- flip-- add-log-exp
frac-add
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
log-pow difference-of-squares
+-commutative flip3-+ exp-sum sum-log flip-+
Counts
4 → 129
Calls
4 calls:
19.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
21.0ms
(* x (exp (+ (* 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))
26.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

series639.0ms

Counts
4 → 12
Calls
4 calls:
101.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
220.0ms
(* x (exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))))
72.0ms
(* y (- (log z) t))
245.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

simplify89.0ms

Algorithm
egg-herbie
Counts
141 → 141
Iterations

Useful iterations: 2 (70.0ms)

IterNodesCost
06771907
130191768
250011757

prune550.0ms

Filtered
141 candidates to 93 candidates (66.0%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New1383141
Fresh235
Picked101
Done000
Total1416147

Merged error: 0b

Counts
147 → 6

localize19.0ms

Local error

Found 4 expressions with local error:

0.5b
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
0.5b
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
5.5b
(log (- 1.0 z))
5.5b
(log (- 1.0 z))

rewrite38.0ms

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:
13.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
12.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
3.0ms
(log (- 1.0 z))
4.0ms
(log (- 1.0 z))

series477.0ms

Counts
4 → 12
Calls
4 calls:
194.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
192.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
42.0ms
(log (- 1.0 z))
49.0ms
(log (- 1.0 z))

simplify61.0ms

Algorithm
egg-herbie
Counts
122 → 122
Iterations

Useful iterations: 1 (12.0ms)

IterNodesCost
04921248
116391194
250011194

prune639.0ms

Filtered
122 candidates to 100 candidates (82.0%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New1220122
Fresh055
Picked011
Done000
Total1226128

Merged error: 0b

Counts
128 → 6

localize22.0ms

Local error

Found 4 expressions with local error:

0.5b
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
5.5b
(log (- 1.0 z))
5.5b
(log (- 1.0 z))
5.5b
(log (- 1.0 z))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
31×log-prod
21×add-sqr-sqrt *-un-lft-identity
16×associate--l+
14×associate-+r+
12×distribute-rgt-in distribute-lft-in
11×add-cube-cbrt
10×associate-+l+
associate-*r/
pow1 add-exp-log flip3-- flip--
log-div add-log-exp
distribute-lft-out-- difference-of-squares
sub-neg frac-add add-cbrt-cube
rem-log-exp log-pow
+-commutative flip3-+ sum-log flip-+
Counts
4 → 87
Calls
4 calls:
12.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
7.0ms
(log (- 1.0 z))
3.0ms
(log (- 1.0 z))
4.0ms
(log (- 1.0 z))

series324.0ms

Counts
4 → 12
Calls
4 calls:
191.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
41.0ms
(log (- 1.0 z))
48.0ms
(log (- 1.0 z))
43.0ms
(log (- 1.0 z))

simplify59.0ms

Algorithm
egg-herbie
Counts
99 → 99
Iterations

Useful iterations: 1 (19.0ms)

IterNodesCost
0492822
11639785
25001785

prune522.0ms

Filtered
99 candidates to 80 candidates (80.8%)
Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New99099
Fresh044
Picked011
Done011
Total996105

Merged error: 0b

Counts
105 → 6

regimes383.0ms

Accuracy

0% (2.1b remaining)

Error of 2.1b against oracle of 0.0b and baseline of 2.1b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02422
12422

end0.0ms

sample5.3s

Algorithm
intervals
Results
2.2s40429×body80nan
777.0ms12456×body80valid
142.0ms400×body640valid
86.0ms397×body320valid
55.0ms76×body1280valid
33.0ms243×body160valid