Details

Time bar (total: 14.7s)

sample179.0ms

Algorithm
intervals
Results
71.0ms1294×body80nan
26.0ms393×body80valid
5.0ms11×body320valid
5.0ms13×body640valid
1.0msbody160valid
1.0msbody1280valid

simplify415.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01718
13117
26217
312017
431017
5106017
done500117

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 3.2b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(* a (- (log (- 1.0 z)) b))
0.0b
(exp (fma y (- (log z) t) (* a (- (log (- 1.0 z)) b))))
0.6b
(fma y (- (log z) t) (* a (- (log (- 1.0 z)) b)))
6.8b
(log (- 1.0 z))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
33×*-un-lft-identity
24×add-cube-cbrt prod-diff
19×distribute-rgt-in distribute-lft-in
15×log-prod
14×pow1
10×associate--l+
log-pow
add-exp-log
associate-*r* add-cbrt-cube
distribute-lft-out-- add-log-exp
expm1-log1p-u log1p-expm1-u difference-of-squares
exp-prod associate-*l*
sub-neg log-div flip3-- associate-*r/ flip-- fma-udef
rem-log-exp exp-sum pow-prod-down prod-exp *-commutative cbrt-unprod rem-exp-log unswap-sqr
Counts
4 → 105
Calls
4 calls:
19.0ms
(* a (- (log (- 1.0 z)) b))
1.0ms
(exp (fma y (- (log z) t) (* a (- (log (- 1.0 z)) b))))
0.0ms
(fma y (- (log z) t) (* a (- (log (- 1.0 z)) b)))
3.0ms
(log (- 1.0 z))

series447.0ms

Counts
4 → 12
Calls
4 calls:
77.0ms
(* a (- (log (- 1.0 z)) b))
135.0ms
(exp (fma y (- (log z) t) (* a (- (log (- 1.0 z)) b))))
187.0ms
(fma y (- (log z) t) (* a (- (log (- 1.0 z)) b)))
48.0ms
(log (- 1.0 z))

simplify686.0ms

Counts
117 → 117
Iterations

Useful iterations: done (682.0ms)

IterNodesCost
02472045
15271768
217521486
done50001438

prune373.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (exp (fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))) x)
0.0b
(exp (fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b))))
0.0b
(* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b))
0.6b
(fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
68×*-un-lft-identity
61×add-sqr-sqrt
60×prod-diff
43×add-cube-cbrt
40×associate--l+
37×distribute-rgt-in distribute-lft-in
21×pow1
17×distribute-lft-out--
13×log-pow
10×associate-*r*
add-cbrt-cube
add-exp-log associate-*l* difference-of-squares
log-prod
add-log-exp
expm1-log1p-u sub-neg log1p-expm1-u
exp-prod fma-udef
associate-*r/ exp-sum pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
flip3-- flip-- rem-exp-log
Counts
4 → 145
Calls
4 calls:
6.0ms
(* (exp (fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))) x)
1.0ms
(exp (fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b))))
65.0ms
(* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b))
0.0ms
(fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))

series838.0ms

Counts
4 → 12
Calls
4 calls:
306.0ms
(* (exp (fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))) x)
179.0ms
(exp (fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b))))
108.0ms
(* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b))
245.0ms
(fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))

simplify888.0ms

Counts
157 → 157
Iterations

Useful iterations: done (881.0ms)

IterNodesCost
02886764
15415392
218914393
done50004321

prune484.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (log z) t)
0.0b
(exp (fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b))))
0.0b
(* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b))
0.6b
(fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))

rewrite80.0ms

Algorithm
rewrite-expression-head
Rules
78×*-un-lft-identity
72×prod-diff
68×add-sqr-sqrt
50×add-cube-cbrt
43×associate--l+
37×distribute-rgt-in distribute-lft-in
24×pow1
19×distribute-lft-out--
18×log-pow
log-prod
difference-of-squares
associate-*r*
add-exp-log add-cbrt-cube add-log-exp
sub-neg
expm1-log1p-u fma-neg log1p-expm1-u
exp-prod associate-*l*
flip3-- associate-*r/ flip-- fma-udef
diff-log exp-sum pow-prod-down prod-exp *-commutative cbrt-unprod rem-exp-log unswap-sqr
Counts
4 → 160
Calls
4 calls:
5.0ms
(- (log z) t)
1.0ms
(exp (fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b))))
66.0ms
(* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b))
0.0ms
(fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))

series601.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(- (log z) t)
178.0ms
(exp (fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b))))
108.0ms
(* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b))
256.0ms
(fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))

simplify1.1s

Counts
172 → 172
Iterations

Useful iterations: done (895.0ms)

IterNodesCost
03186407
15794936
219523962
done50013890

prune500.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b))
0.6b
(fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))
0.6b
(fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))
0.6b
(fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
65×*-un-lft-identity
60×prod-diff
56×add-sqr-sqrt
40×add-cube-cbrt associate--l+
37×distribute-rgt-in distribute-lft-in
19×pow1
17×distribute-lft-out--
13×log-pow
associate-*r* difference-of-squares
add-exp-log log-prod add-cbrt-cube
expm1-log1p-u sub-neg log1p-expm1-u add-log-exp
associate-*l* fma-udef
associate-*r/
flip3-- pow-prod-down prod-exp *-commutative flip-- cbrt-unprod unswap-sqr
Counts
4 → 130
Calls
4 calls:
64.0ms
(* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b))
0.0ms
(fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))
0.0ms
(fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))
0.0ms
(fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))

series831.0ms

Counts
4 → 12
Calls
4 calls:
106.0ms
(* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b))
248.0ms
(fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))
236.0ms
(fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))
240.0ms
(fma y (- (log z) t) (* a (- (- (log 1.0) (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z))) b)))

simplify803.0ms

Counts
142 → 142
Iterations

Useful iterations: done (796.0ms)

IterNodesCost
02326185
14104822
214353884
done50013802

prune547.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

regimes216.0ms

Accuracy

0% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02328
12628
done2628

end0.0ms

sample5.4s

Algorithm
intervals
Results
2.3s40731×body80nan
780.0ms12420×body80valid
137.0ms395×body640valid
82.0ms383×body320valid
52.0ms73×body1280valid
41.0ms297×body160valid