Details

Time bar (total: 16.4s)

sample190.0ms

Algorithm
intervals
Results
64.0ms1295×body80nan
24.0ms383×body80valid
5.0ms15×body640valid
4.0msbody1280valid
3.0ms13×body320valid
2.0ms13×body160valid

simplify39.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03110
16210
213710
334410
4115510
5500110
done500110

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 3.4b

localize15.0ms

Local error

Found 4 expressions with local error:

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

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
84×prod-diff
76×add-sqr-sqrt *-un-lft-identity
64×add-cube-cbrt
53×distribute-rgt-in distribute-lft-in
38×associate-+r+
34×associate-+l+
31×pow1
30×log-prod
25×associate--l+ log-pow
10×associate-*r/
add-exp-log sub-neg flip3-- flip-- distribute-lft-out-- add-log-exp
associate-*r* add-cbrt-cube
difference-of-squares
expm1-log1p-u fma-neg frac-add log1p-expm1-u
associate-*l*
log-div
+-commutative fma-def flip3-+ diff-log rem-log-exp pow-prod-down prod-exp sum-log *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 203
Calls
4 calls:
9.0ms
(- (log z) t)
36.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
29.0ms
(* y (- (log z) t))
6.0ms
(log (- 1.0 z))

series362.0ms

Counts
4 → 12
Calls
4 calls:
61.0ms
(- (log z) t)
186.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
72.0ms
(* y (- (log z) t))
43.0ms
(log (- 1.0 z))

simplify88.0ms

Counts
215 → 215
Iterations

Useful iterations: 2 (72.0ms)

IterNodesCost
08561981
132961486
250021485
done50021485

prune634.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize22.0ms

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

rewrite1.1s

Algorithm
rewrite-expression-head
Rules
168×prod-diff
155×*-un-lft-identity
141×add-sqr-sqrt
109×add-cube-cbrt
108×distribute-rgt-in distribute-lft-in
92×associate--l+
74×associate-+r+
46×pow1
38×log-pow
34×associate-+l+
31×distribute-lft-out--
24×log-prod
14×difference-of-squares
13×associate-*r*
12×sub-neg associate-*r/
add-log-exp
add-exp-log add-cbrt-cube
flip3-- associate-*l* flip--
expm1-log1p-u frac-add log1p-expm1-u
exp-prod
pow-prod-down prod-exp sum-log *-commutative cbrt-unprod rem-exp-log unswap-sqr
+-commutative fma-def flip3-+ exp-sum flip-+
Counts
4 → 300
Calls
4 calls:
683.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
242.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))
163.0ms
(exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
30.0ms
(* y (- (log z) t))

series610.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
246.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))
184.0ms
(exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
75.0ms
(* y (- (log z) t))

simplify148.0ms

Counts
312 → 312
Iterations

Useful iterations: 2 (98.0ms)

IterNodesCost
010915982
144694426
250014422
done50014422

prune1.0s

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

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

rewrite1.1s

Algorithm
rewrite-expression-head
Rules
168×prod-diff
156×*-un-lft-identity
142×add-sqr-sqrt
110×add-cube-cbrt
108×distribute-rgt-in distribute-lft-in
92×associate--l+
74×associate-+r+
47×pow1
38×log-pow
34×associate-+l+
31×distribute-lft-out--
24×log-prod
14×difference-of-squares
13×associate-*r*
12×sub-neg associate-*r/
add-exp-log
add-cbrt-cube
flip3-- associate-*l* flip-- add-log-exp
expm1-log1p-u frac-add log1p-expm1-u
unpow-prod-down pow-unpow
pow-prod-down pow-exp prod-exp *-commutative cbrt-unprod unswap-sqr
unpow-prod-up +-commutative pow-to-exp e-exp-1 pow-pow fma-def flip3-+ sum-log flip-+ sqr-pow
Counts
4 → 306
Calls
4 calls:
677.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
241.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))
133.0ms
(pow E (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
30.0ms
(* y (- (log z) t))

series604.0ms

Counts
4 → 12
Calls
4 calls:
102.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
243.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))
184.0ms
(pow E (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
75.0ms
(* y (- (log z) t))

simplify150.0ms

Counts
318 → 318
Iterations

Useful iterations: 1 (26.0ms)

IterNodesCost
011456140
149154592
250014592
done50014592

prune1.1s

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize25.0ms

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

rewrite1.1s

Algorithm
rewrite-expression-head
Rules
168×prod-diff
156×*-un-lft-identity
142×add-sqr-sqrt
110×add-cube-cbrt
108×distribute-rgt-in distribute-lft-in
92×associate--l+
74×associate-+r+
47×pow1
38×log-pow
34×associate-+l+
31×distribute-lft-out--
24×log-prod
14×difference-of-squares
13×associate-*r*
12×sub-neg associate-*r/
add-exp-log
add-cbrt-cube
flip3-- associate-*l* flip-- add-log-exp
expm1-log1p-u frac-add log1p-expm1-u
unpow-prod-down pow-unpow
pow-prod-down pow-exp prod-exp *-commutative cbrt-unprod unswap-sqr
unpow-prod-up +-commutative pow-to-exp e-exp-1 pow-pow fma-def flip3-+ sum-log flip-+ sqr-pow
Counts
4 → 306
Calls
4 calls:
670.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
240.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))
136.0ms
(pow E (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
27.0ms
(* y (- (log z) t))

series610.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
243.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))
188.0ms
(pow E (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
73.0ms
(* y (- (log z) t))

simplify155.0ms

Counts
318 → 318
Iterations

Useful iterations: 1 (25.0ms)

IterNodesCost
011456140
149154592
250014592
done50014592

prune1.2s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

regimes147.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03518
13518
done3518

end0.0ms

sample5.8s

Algorithm
intervals
Results
2.1s40982×body80nan
730.0ms12449×body80valid
114.0ms348×body640valid
84.0ms414×body320valid
49.0ms70×body1280valid
36.0ms295×body160valid