Details

Time bar (total: 15.9s)

sample177.0ms

Algorithm
intervals
Results
74.0ms1294×body80nan
25.0ms393×body80valid
5.0ms13×body640valid
2.0ms11×body320valid
1.0msbody160valid
1.0msbody1280valid

simplify391.0ms

Counts
1 → 1
Iterations

Useful iterations: 4 (31.0ms)

IterNodesCost
01718
13018
25818
311218
428617
597317
done500017

prune14.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 2.9b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
0.1b
(* y (- (log z) t))
1.3b
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
6.8b
(log (- 1.0 z))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
27×log-prod
24×add-sqr-sqrt
23×*-un-lft-identity
22×associate--l+
17×distribute-rgt-in distribute-lft-in
14×add-cube-cbrt associate-+r+
10×associate-+l+ associate-*r/
add-log-exp
pow1
add-exp-log
sub-neg flip3-- associate-*r* add-cbrt-cube flip--
distribute-lft-out--
frac-add difference-of-squares
exp-prod associate-*l*
log-div sum-log log-pow rem-exp-log
+-commutative flip3-+ rem-log-exp exp-sum pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 101
Calls
4 calls:
18.0ms
(exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
13.0ms
(* y (- (log z) t))
13.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
3.0ms
(log (- 1.0 z))

series438.0ms

Counts
4 → 12
Calls
4 calls:
140.0ms
(exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
71.0ms
(* y (- (log z) t))
182.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
45.0ms
(log (- 1.0 z))

simplify674.0ms

Counts
113 → 113
Iterations

Useful iterations: done (671.0ms)

IterNodesCost
02571795
16331715
222691590
done50001589

prune417.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.8b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
0.0b
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
0.1b
(* y (- (log z) t))
1.3b
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

rewrite655.0ms

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:
109.0ms
(exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
424.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
13.0ms
(* y (- (log z) t))
103.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

series588.0ms

Counts
4 → 12
Calls
4 calls:
165.0ms
(exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
103.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
73.0ms
(* y (- (log z) t))
246.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

simplify777.0ms

Counts
135 → 135
Iterations

Useful iterations: done (773.0ms)

IterNodesCost
02653383
16493262
225673067
done50003066

prune600.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(* y (- (log z) t))
1.3b
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))
1.3b
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))
1.3b
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

rewrite325.0ms

Algorithm
rewrite-expression-head
Rules
72×associate--l+
42×associate-+r+ log-prod
41×distribute-rgt-in distribute-lft-in
30×associate-+l+
26×associate-*r/
24×add-sqr-sqrt
23×*-un-lft-identity
20×add-cube-cbrt sub-neg
13×flip3-- flip--
12×frac-add
10×add-log-exp
pow1
add-exp-log associate-*r* add-cbrt-cube
+-commutative flip3-+ associate-*l* sum-log flip-+
distribute-lft-out--
pow-prod-down prod-exp log-pow *-commutative cbrt-unprod difference-of-squares unswap-sqr
Counts
4 → 150
Calls
4 calls:
13.0ms
(* y (- (log z) t))
100.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))
101.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))
101.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

series792.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(* y (- (log z) t))
237.0ms
(+ (* y (- (log z) t)) (* 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)))
238.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

simplify594.0ms

Counts
162 → 162
Iterations

Useful iterations: done (587.0ms)

IterNodesCost
01955114
14964968
218914748
done50014747

prune1.1s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (log z) t)
0.0b
(exp (+ (* y (- (log z) t)) (* (log 1.0) a)))
0.0b
(* x (exp (+ (* y (- (log z) t)) (* (log 1.0) a))))
0.1b
(* y (- (log z) t))

rewrite88.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
18×*-un-lft-identity
12×add-cube-cbrt
10×pow1 associate-*r*
log-prod associate--l+
add-cbrt-cube add-log-exp
add-exp-log
associate-*l*
distribute-rgt-in distribute-lft-in
distribute-lft-out--
sub-neg exp-prod
flip3-- associate-*r/ exp-sum pow-prod-down prod-exp log-pow *-commutative flip-- cbrt-unprod rem-exp-log difference-of-squares unswap-sqr
diff-log sum-log
Counts
4 → 83
Calls
4 calls:
4.0ms
(- (log z) t)
16.0ms
(exp (+ (* y (- (log z) t)) (* (log 1.0) a)))
53.0ms
(* x (exp (+ (* y (- (log z) t)) (* (log 1.0) a))))
13.0ms
(* y (- (log z) t))

series391.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(- (log z) t)
95.0ms
(exp (+ (* y (- (log z) t)) (* (log 1.0) a)))
160.0ms
(* x (exp (+ (* y (- (log z) t)) (* (log 1.0) a))))
72.0ms
(* y (- (log z) t))

simplify2.0s

Counts
95 → 95
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01561119
13201056
21064892
33928879
done5000869

prune291.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

regimes184.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 0.5b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02891
13691
done3691

end0.0ms

sample5.3s

Algorithm
intervals
Results
2.3s40731×body80nan
792.0ms12420×body80valid
141.0ms395×body640valid
86.0ms383×body320valid
54.0ms73×body1280valid
40.0ms297×body160valid