Details

Time bar (total: 7.9s)

sample97.0ms

Algorithm
intervals
Results
37.0ms844×body80nan
9.0ms31×body640valid
9.0ms184×body80valid
6.0ms11×body1280valid
2.0ms15×body320valid
2.0ms17×body160valid

simplify26.0ms

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

prune6.0ms

Filtered
1 candidates to 1 candidates (100.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New101
Fresh011
Picked000
Done000
Total112

Merged error: 9.3b

Counts
2 → 1

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(* z (log (- 1.0 y)))
0.2b
(* x (log y))
6.7b
(log (- 1.0 y))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
21×log-prod
18×*-un-lft-identity
12×add-cube-cbrt
10×pow1
add-exp-log distribute-rgt-in distribute-lft-in associate-*r*
add-cbrt-cube
associate-*l*
expm1-log1p-u log-pow log1p-expm1-u distribute-lft-out-- add-log-exp difference-of-squares
log-div pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
flip3-- rem-log-exp flip--
Counts
3 → 76
Calls
3 calls:
6.0ms
(* z (log (- 1.0 y)))
4.0ms
(* x (log y))
4.0ms
(log (- 1.0 y))

series147.0ms

Counts
3 → 9
Calls
3 calls:
66.0ms
(* z (log (- 1.0 y)))
36.0ms
(* x (log y))
45.0ms
(log (- 1.0 y))

simplify39.0ms

Algorithm
egg-herbie
Counts
85 → 85
Iterations

Useful iterations: 2 (33.0ms)

IterNodesCost
0353439
11262387
25001373

prune429.0ms

Filtered
85 candidates to 57 candidates (67.1%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New77885
Fresh000
Picked101
Done000
Total78886

Merged error: 0.1b

Counts
86 → 8

localize17.0ms

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)))))))
0.0b
(* 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))))))
0.2b
(* x (log y))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
118×add-sqr-sqrt
81×*-un-lft-identity
80×times-frac
78×add-cube-cbrt associate-*r*
56×unpow-prod-down
48×prod-diff
40×distribute-rgt-in distribute-lft-in
34×associate-+r+
31×add-exp-log
24×pow1 log-prod unpow2 sqr-pow
19×unswap-sqr
14×log-pow
13×add-cbrt-cube
12×prod-exp associate--l+
div-exp associate-*l*
pow-to-exp associate-+l+ pow-exp add-log-exp
expm1-log1p-u sub-neg cbrt-unprod log1p-expm1-u
associate-*r/ pow-prod-down *-commutative
distribute-lft-out--
cbrt-undiv +-commutative flip3-- fma-def flip3-+ sum-log flip-- flip-+ div-inv difference-of-squares
Counts
4 → 252
Calls
4 calls:
11.0ms
(+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
20.0ms
(* 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))))))
4.0ms
(* x (log y))

series307.0ms

Counts
4 → 12
Calls
4 calls:
120.0ms
(+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
51.0ms
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
99.0ms
(* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
37.0ms
(* x (log y))

simplify127.0ms

Algorithm
egg-herbie
Counts
264 → 264
Iterations

Useful iterations: 2 (92.0ms)

IterNodesCost
010323139
141952176
250012168

prune843.0ms

Filtered
264 candidates to 156 candidates (59.1%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New2586264
Fresh437
Picked101
Done000
Total2639272

Merged error: 0.0b

Counts
272 → 9

localize24.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt y) (cbrt y))
0.7b
(cbrt y)
0.7b
(cbrt y)
0.7b
(cbrt y)

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
11×pow1
pow1/3
add-exp-log swap-sqr associate-*r* associate-*l*
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 81
Calls
4 calls:
6.0ms
(* (cbrt y) (cbrt y))
1.0ms
(cbrt y)
1.0ms
(cbrt y)
1.0ms
(cbrt y)

series737.0ms

Counts
4 → 12
Calls
4 calls:
202.0ms
(* (cbrt y) (cbrt y))
174.0ms
(cbrt y)
176.0ms
(cbrt y)
184.0ms
(cbrt y)

simplify91.0ms

Algorithm
egg-herbie
Counts
93 → 93
Iterations

Useful iterations: 3 (85.0ms)

IterNodesCost
0119308
1477281
22972258
35001255

prune495.0ms

Filtered
93 candidates to 72 candidates (77.4%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New91293
Fresh178
Picked101
Done000
Total939102

Merged error: 0.0b

Counts
102 → 9

localize30.0ms

Local error

Found 4 expressions with local error:

0.2b
(+ (* x (log (pow (pow y 2/3) 1))) (fma (log (cbrt y)) x (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))))
0.2b
(* x (log (pow (pow y 2/3) 1)))
0.7b
(cbrt y)
5.9b
(pow y 2/3)

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
44×log-prod
43×unpow-prod-down
23×add-sqr-sqrt
22×distribute-rgt-in associate-+l+ distribute-lft-in
21×add-cube-cbrt *-un-lft-identity
sqr-pow
pow1 add-exp-log
add-cbrt-cube add-log-exp
expm1-log1p-u associate-*r* log1p-expm1-u
cbrt-prod pow-unpow associate-*l*
+-commutative pow-to-exp associate-+r+ pow-pow fma-def flip3-+ pow1/3 pow-prod-down pow-exp prod-exp sum-log log-pow *-commutative cbrt-unprod flip-+ fma-udef unswap-sqr
Counts
4 → 112
Calls
4 calls:
8.0ms
(+ (* x (log (pow (pow y 2/3) 1))) (fma (log (cbrt y)) x (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))))
7.0ms
(* x (log (pow (pow y 2/3) 1)))
1.0ms
(cbrt y)
2.0ms
(pow y 2/3)

series675.0ms

Counts
4 → 12
Calls
4 calls:
227.0ms
(+ (* x (log (pow (pow y 2/3) 1))) (fma (log (cbrt y)) x (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))))
82.0ms
(* x (log (pow (pow y 2/3) 1)))
180.0ms
(cbrt y)
185.0ms
(pow y 2/3)

simplify64.0ms

Algorithm
egg-herbie
Counts
124 → 124
Iterations

Useful iterations: 2 (45.0ms)

IterNodesCost
04781144
11820995
25001939

prune586.0ms

Filtered
124 candidates to 92 candidates (74.2%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New1222124
Fresh358
Picked101
Done000
Total1267133

Merged error: 0.0b

Counts
133 → 7

regimes171.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03217
13217

end0.0ms

sample2.9s

Algorithm
intervals
Results
1.1s24041×body80nan
273.0ms5540×body80valid
263.0ms894×body640valid
227.0ms389×body1280valid
129.0ms759×body320valid
48.0ms447×body160valid