Details

Time bar (total: 13.5s)

sample197.0ms

Algorithm
intervals
Results
67.0ms1295×body80nan
25.0ms383×body80valid
5.0ms15×body640valid
3.0msbody1280valid
3.0ms13×body320valid
2.0ms13×body160valid

simplify38.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03010
15810
212910
331810
4107310
5500110
done500110

prune5.0ms

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))

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
30×log-prod
26×add-sqr-sqrt *-un-lft-identity
25×associate--l+
17×distribute-rgt-in distribute-lft-in
14×add-cube-cbrt associate-+r+
10×associate-+l+ associate-*r/
pow1
add-exp-log sub-neg flip3-- flip-- distribute-lft-out-- add-log-exp
associate-*r* add-cbrt-cube
difference-of-squares
frac-add
associate-*l* log-pow
log-div
+-commutative flip3-+ diff-log rem-log-exp pow-prod-down prod-exp sum-log *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 106
Calls
4 calls:
7.0ms
(- (log z) t)
28.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
25.0ms
(* y (- (log z) t))
5.0ms
(log (- 1.0 z))

series361.0ms

Counts
4 → 12
Calls
4 calls:
61.0ms
(- (log z) t)
186.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
73.0ms
(* y (- (log z) t))
42.0ms
(log (- 1.0 z))

simplify64.0ms

Counts
118 → 118
Iterations

Useful iterations: 2 (54.0ms)

IterNodesCost
0593882
12248832
25002830
done5002830

prune400.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize24.0ms

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))

rewrite974.0ms

Algorithm
rewrite-expression-head
Rules
44×associate--l+
27×*-un-lft-identity
25×add-sqr-sqrt
24×distribute-rgt-in log-prod distribute-lft-in
17×add-cube-cbrt
14×associate-+r+
13×associate-*r*
12×sub-neg associate-*r/
10×pow1 associate-+l+
add-log-exp
add-exp-log add-cbrt-cube
distribute-lft-out--
flip3-- associate-*l* flip--
frac-add
exp-prod
pow-prod-down prod-exp sum-log log-pow *-commutative cbrt-unprod rem-exp-log difference-of-squares unswap-sqr
+-commutative flip3-+ exp-sum flip-+
Counts
4 → 123
Calls
4 calls:
618.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
154.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))
172.0ms
(exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
25.0ms
(* y (- (log z) t))

series593.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(* 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)))
176.0ms
(exp (+ (* 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))

simplify81.0ms

Counts
135 → 135
Iterations

Useful iterations: 2 (65.0ms)

IterNodesCost
06451743
128101639
250021630
done50021630

prune556.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize24.0ms

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))

rewrite917.0ms

Algorithm
rewrite-expression-head
Rules
44×associate--l+
28×*-un-lft-identity
26×add-sqr-sqrt
24×distribute-rgt-in log-prod distribute-lft-in
18×add-cube-cbrt
14×associate-+r+
13×associate-*r*
12×sub-neg associate-*r/
11×pow1
10×associate-+l+
add-exp-log
add-cbrt-cube
distribute-lft-out--
flip3-- associate-*l* flip-- add-log-exp
frac-add
unpow-prod-down pow-unpow
pow-prod-down pow-exp prod-exp log-pow *-commutative cbrt-unprod difference-of-squares unswap-sqr
unpow-prod-up +-commutative pow-to-exp e-exp-1 pow-pow flip3-+ sum-log flip-+ sqr-pow
Counts
4 → 129
Calls
4 calls:
598.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
150.0ms
(+ (* 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))))
28.0ms
(* y (- (log z) t))

series614.0ms

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)))
193.0ms
(pow E (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
76.0ms
(* y (- (log z) t))

simplify89.0ms

Counts
141 → 141
Iterations

Useful iterations: 2 (72.0ms)

IterNodesCost
06991904
131791814
250011805
done50011805

prune602.0ms

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
(pow (exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))) 3)
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))
0.3b
(cbrt (pow (exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))) 3))

rewrite516.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
16×add-cube-cbrt
14×cbrt-prod
pow1 unpow-prod-down cube-prod
add-cbrt-cube add-log-exp
add-exp-log log-prod exp-prod associate-*r* associate--l+
distribute-rgt-in distribute-lft-in exp-sum
pow-pow
pow-unpow associate-*l*
cube-mult sub-neg unpow3 associate-*r/ rem-exp-log distribute-lft-out-- sqr-pow
pow-to-exp flip3-- pow1/3 pow-prod-down pow-exp prod-exp sum-log log-pow *-commutative flip-- rem-cbrt-cube cbrt-unprod rem-cube-cbrt difference-of-squares unswap-sqr
Counts
4 → 97
Calls
4 calls:
176.0ms
(pow (exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))) 3)
168.0ms
(exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
24.0ms
(* y (- (log z) t))
145.0ms
(cbrt (pow (exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))) 3))

series758.0ms

Counts
4 → 12
Calls
4 calls:
326.0ms
(pow (exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))) 3)
175.0ms
(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))
182.0ms
(cbrt (pow (exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))) 3))

simplify57.0ms

Counts
109 → 109
Iterations

Useful iterations: 2 (42.0ms)

IterNodesCost
04121670
116601563
250021546
done50021546

prune416.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

regimes150.0ms

Accuracy

0% (0.1b remaining)

Error of 0.5b against oracle of 0.4b and baseline of 0.5b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03518
13518
done3518

end0.0ms

sample6.0s

Algorithm
intervals
Results
2.2s40982×body80nan
738.0ms12449×body80valid
119.0ms348×body640valid
86.0ms414×body320valid
49.0ms70×body1280valid
37.0ms295×body160valid