Details

Time bar (total: 8.1s)

sample118.0ms

Algorithm
intervals
Results
40.0ms883×body80nan
9.0ms16×body1280valid
8.0ms174×body80valid
8.0ms26×body640valid
5.0ms29×body320valid
1.0ms12×body160valid

simplify29.0ms

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

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 8.9b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(* z (log (- 1.0 y)))
0.1b
(fma (log y) x (- (* z (log (- 1.0 y))) t))
4.5b
(log (- 1.0 y))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
15×log-prod
14×*-un-lft-identity
add-cube-cbrt
pow1
add-exp-log
distribute-rgt-in distribute-lft-in add-cbrt-cube
associate-*r*
expm1-log1p-u associate-*l* log1p-expm1-u distribute-lft-out-- add-log-exp difference-of-squares
log-div log-pow
flip3-- rem-log-exp pow-prod-down prod-exp *-commutative flip-- cbrt-unprod fma-udef unswap-sqr
Counts
3 → 59
Calls
3 calls:
15.0ms
(* z (log (- 1.0 y)))
0.0ms
(fma (log y) x (- (* z (log (- 1.0 y))) t))
6.0ms
(log (- 1.0 y))

series242.0ms

Counts
3 → 9
Calls
3 calls:
70.0ms
(* z (log (- 1.0 y)))
124.0ms
(fma (log y) x (- (* z (log (- 1.0 y))) t))
47.0ms
(log (- 1.0 y))

simplify106.0ms

Algorithm
egg-herbie
Counts
68 → 68
Iterations

Useful iterations: 3 (100.0ms)

IterNodesCost
0332427
11128376
24553369
35001366

prune217.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.1b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 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)))))) t)
0.1b
(fma (log y) x (- (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))) t))

rewrite166.0ms

Algorithm
rewrite-expression-head
Rules
111×add-sqr-sqrt
80×times-frac
76×*-un-lft-identity
74×associate-*r*
73×add-cube-cbrt
56×unpow-prod-down
51×prod-diff
46×associate--l+
34×distribute-rgt-in distribute-lft-in
29×add-exp-log
24×unpow2 sqr-pow
21×pow1
18×unswap-sqr
13×log-pow
12×log-prod
11×prod-exp add-cbrt-cube
div-exp
pow-to-exp associate-*l* pow-exp add-log-exp
sub-neg
expm1-log1p-u log1p-expm1-u
associate-*r/ cbrt-unprod
flip3-- pow-prod-down *-commutative flip-- distribute-lft-out--
cbrt-undiv fma-neg diff-log fma-udef div-inv difference-of-squares
Counts
4 → 233
Calls
4 calls:
71.0ms
(* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
37.0ms
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
42.0ms
(- (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))) t)
0.0ms
(fma (log y) x (- (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))) t))

series465.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(* 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)))
136.0ms
(- (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))) t)
173.0ms
(fma (log y) x (- (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))) t))

simplify323.0ms

Algorithm
egg-herbie
Counts
245 → 245
Iterations

Useful iterations: 2 (86.0ms)

IterNodesCost
09363375
138932186
250012179

prune803.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.1b

localize22.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))) (- t))
0.0b
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
0.1b
(fma (log y) x (fma z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))) (- t)))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
80×times-frac
71×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
37×add-cube-cbrt *-un-lft-identity
26×add-exp-log
24×unpow2 sqr-pow
17×unswap-sqr
10×prod-exp
div-exp
add-cbrt-cube
pow-to-exp pow-exp
pow1
expm1-log1p-u associate-*l* log1p-expm1-u add-log-exp
cbrt-unprod fma-udef
cbrt-undiv associate-*r/ pow-prod-down *-commutative div-inv
Counts
3 → 132
Calls
3 calls:
0.0ms
(fma z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))) (- t))
38.0ms
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
0.0ms
(fma (log y) x (fma z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))) (- t)))

series347.0ms

Counts
3 → 9
Calls
3 calls:
113.0ms
(fma z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))) (- t))
54.0ms
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
179.0ms
(fma (log y) x (fma z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))) (- t)))

simplify69.0ms

Algorithm
egg-herbie
Counts
141 → 141
Iterations

Useful iterations: 2 (57.0ms)

IterNodesCost
0616990
12555827
25002826

prune512.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.1b

localize21.0ms

Local error

Found 4 expressions with local error:

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

rewrite65.0ms

Algorithm
rewrite-expression-head
Rules
80×times-frac
76×add-sqr-sqrt
71×associate-*r*
56×unpow-prod-down
40×add-cube-cbrt *-un-lft-identity
29×add-exp-log
24×unpow2 sqr-pow
18×unswap-sqr
11×prod-exp add-cbrt-cube
pow1 div-exp
associate-*l*
pow-to-exp pow-exp add-log-exp
expm1-log1p-u log1p-expm1-u
cbrt-unprod
pow-prod-down *-commutative fma-udef
cbrt-undiv +-commutative associate-+r+ fma-def flip3-+ associate-*r/ sum-log log-pow flip-+ div-inv
Counts
4 → 158
Calls
4 calls:
11.0ms
(+ (* (log y) x) (fma z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))) (- t)))
0.0ms
(fma z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))) (- t))
38.0ms
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
8.0ms
(* (log y) x)

series404.0ms

Counts
4 → 12
Calls
4 calls:
178.0ms
(+ (* (log y) x) (fma z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))) (- t)))
112.0ms
(fma z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))) (- t))
55.0ms
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
59.0ms
(* (log y) x)

simplify75.0ms

Algorithm
egg-herbie
Counts
170 → 170
Iterations

Useful iterations: 2 (63.0ms)

IterNodesCost
07481234
135061013
25002996

prune560.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

regimes208.0ms

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
02513
12513

end0.0ms

sample3.2s

Algorithm
intervals
Results
1.0s24530×body80nan
266.0ms5489×body80valid
249.0ms431×body1280valid
242.0ms864×body640valid
124.0ms765×body320valid
49.0ms473×body160valid