Details

Time bar (total: 7.6s)

sample121.0ms

Algorithm
intervals
Results
47.0ms829×body80nan
11.0ms169×body80valid
11.0ms15×body1280valid
11.0ms31×body640valid
5.0ms24×body320valid
2.0ms18×body160valid

simplify28.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
0227
1386
2536
3616
4786
51106
61756
72846
83636
93926
104766
114766

prune11.0ms

Filtered
1 candidates to 1 candidates (100.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 9.4b

Counts
2 → 2

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (log (- 1.0 y)))
0.0b
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
0.3b
(* x (log y))
5.0b
(log (- 1.0 y))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt
28×*-un-lft-identity
21×log-prod
20×add-cube-cbrt
11×pow1
add-exp-log prod-diff add-log-exp
distribute-rgt-in distribute-lft-in associate-*r* add-cbrt-cube
associate-*l*
expm1-log1p-u log1p-expm1-u distribute-lft-out-- difference-of-squares
fma-neg log-pow
log-div flip3-- diff-log pow-prod-down prod-exp *-commutative flip-- cbrt-unprod unswap-sqr
sub-neg rem-log-exp associate--l+ sum-log
Counts
4 → 106
Calls
4 calls:
6.0ms
(* z (log (- 1.0 y)))
7.0ms
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
4.0ms
(* x (log y))
4.0ms
(log (- 1.0 y))

series234.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(* z (log (- 1.0 y)))
84.0ms
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
37.0ms
(* x (log y))
46.0ms
(log (- 1.0 y))

simplify59.0ms

Algorithm
egg-herbie
Counts
118 → 118
Iterations

Useful iterations: 2 (49.0ms)

IterNodesCost
0519871
11908704
25001676

prune278.0ms

Filtered
118 candidates to 80 candidates (67.8%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New1117118
Fresh101
Picked101
Done000
Total1137120

Merged error: 0.0b

Counts
120 → 7

localize24.0ms

Local error

Found 4 expressions with local error:

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

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
59×add-sqr-sqrt
57×prod-diff
56×*-un-lft-identity
51×add-cube-cbrt
40×distribute-rgt-in distribute-lft-in
34×associate-+r+
24×log-prod
22×pow1
14×log-pow
13×associate--l+
11×add-log-exp
10×associate-*r*
add-exp-log add-cbrt-cube
associate-+l+ associate-*l*
sub-neg
expm1-log1p-u log1p-expm1-u
fma-neg distribute-lft-out--
flip3-- diff-log associate-*r/ pow-prod-down prod-exp sum-log *-commutative flip-- cbrt-unprod difference-of-squares unswap-sqr
+-commutative fma-def flip3-+ flip-+
Counts
4 → 170
Calls
4 calls:
7.0ms
(- (+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
11.0ms
(+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
10.0ms
(* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
5.0ms
(* x (log y))

series460.0ms

Counts
4 → 12
Calls
4 calls:
187.0ms
(- (+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
126.0ms
(+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
103.0ms
(* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
43.0ms
(* x (log y))

simplify92.0ms

Algorithm
egg-herbie
Counts
182 → 182
Iterations

Useful iterations: 2 (64.0ms)

IterNodesCost
06443156
123912185
250032156

prune523.0ms

Filtered
182 candidates to 107 candidates (58.8%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New1802182
Fresh156
Picked101
Done000
Total1827189

Merged error: 0.0b

Counts
189 → 7

localize24.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2))))) z (- (* x (log y)) t))
0.0b
(- (* x (log y)) t)
0.3b
(* x (log y))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt log-prod
10×add-cube-cbrt *-un-lft-identity
pow1 distribute-rgt-in distribute-lft-in associate--l+
add-exp-log add-cbrt-cube add-log-exp
associate-*r*
expm1-log1p-u associate-*l* prod-diff log1p-expm1-u
sub-neg flip3-- fma-neg diff-log pow-prod-down prod-exp log-pow *-commutative flip-- cbrt-unprod fma-udef unswap-sqr
Counts
3 → 61
Calls
3 calls:
1.0ms
(fma (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2))))) z (- (* x (log y)) t))
5.0ms
(- (* x (log y)) t)
5.0ms
(* x (log y))

series271.0ms

Counts
3 → 9
Calls
3 calls:
176.0ms
(fma (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2))))) z (- (* x (log y)) t))
58.0ms
(- (* x (log y)) t)
37.0ms
(* x (log y))

simplify116.0ms

Algorithm
egg-herbie
Counts
70 → 70
Iterations

Useful iterations: 3 (110.0ms)

IterNodesCost
0291435
11003372
24429355
35001354

prune247.0ms

Filtered
70 candidates to 50 candidates (71.4%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New69170
Fresh156
Picked101
Done000
Total71677

Merged error: 0.0b

Counts
77 → 6

localize25.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (- (* x (log y)) t)) (cbrt (- (* x (log y)) t)))
0.5b
(cbrt (- (* x (log y)) t))
0.5b
(cbrt (- (* x (log y)) t))
0.5b
(cbrt (- (* x (log y)) t))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
18×cbrt-div
15×add-cube-cbrt *-un-lft-identity
11×pow1
flip3-- pow1/3 flip--
add-exp-log swap-sqr associate-*r* associate-*l*
expm1-log1p-u frac-times add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 95
Calls
4 calls:
12.0ms
(* (cbrt (- (* x (log y)) t)) (cbrt (- (* x (log y)) t)))
4.0ms
(cbrt (- (* x (log y)) t))
4.0ms
(cbrt (- (* x (log y)) t))
4.0ms
(cbrt (- (* x (log y)) t))

series899.0ms

Counts
4 → 12
Calls
4 calls:
235.0ms
(* (cbrt (- (* x (log y)) t)) (cbrt (- (* x (log y)) t)))
219.0ms
(cbrt (- (* x (log y)) t))
216.0ms
(cbrt (- (* x (log y)) t))
228.0ms
(cbrt (- (* x (log y)) t))

simplify49.0ms

Algorithm
egg-herbie
Counts
107 → 107
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
03341165
112951100
250011038

prune480.0ms

Filtered
107 candidates to 83 candidates (77.6%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New1061107
Fresh055
Picked011
Done000
Total1067113

Merged error: 0.0b

Counts
113 → 7

regimes165.0ms

Accuracy

0% (1.3b remaining)

Error of 1.4b against oracle of 0.1b and baseline of 1.4b

bsearch0.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02922
13122
23122

end0.0ms

sample3.4s

Algorithm
intervals
Results
1.4s24134×body80nan
358.0ms5580×body80valid
301.0ms862×body640valid
280.0ms415×body1280valid
157.0ms726×body320valid
58.0ms433×body160valid