Details

Time bar (total: 31.5s)

sample342.0ms

Algorithm
intervals
Results
116.0ms1165×body80nan
39.0ms365×body80valid
32.0ms18×body320valid
5.0msbody640valid
3.0ms11×body160valid
2.0msbody1280valid

simplify782.0ms

Counts
1 → 1
Iterations
IterNodes
done5000
51338
4377
3135
262
131
017

prune19.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 1.5b

localize52.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (log z) t)
0.2b
(* y (- (log z) t))
0.5b
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
5.3b
(log (- 1.0 z))

rewrite87.0ms

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/
sub-neg flip3-- add-exp-log flip-- distribute-lft-out-- add-log-exp
add-cbrt-cube associate-*r*
difference-of-squares
expm1-log1p-u fma-neg frac-add log1p-expm1-u
associate-*l*
log-div
+-commutative sum-log fma-def flip3-+ diff-log rem-log-exp pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 203
Calls
4 calls:
9.0ms
(- (log z) t)
24.0ms
(* y (- (log z) t))
40.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
5.0ms
(log (- 1.0 z))

series517.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(- (log z) t)
94.0ms
(* y (- (log z) t))
281.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
60.0ms
(log (- 1.0 z))

simplify1.1s

Counts
215 → 215
Iterations
IterNodes
done5000
23478
1924
0357

prune1.3s

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize80.0ms

Local error

Found 4 expressions with local error:

0.0b
(* x (exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (fma (/ 1/2 1.0) (/ (pow z 2) 1.0) (* z 1.0))) b)))))
0.0b
(- (log z) t)
0.2b
(* y (- (log z) t))
0.5b
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (fma (/ 1/2 1.0) (/ (pow z 2) 1.0) (* z 1.0))) b)))

rewrite351.0ms

Algorithm
rewrite-expression-head
Rules
120×prod-diff
107×*-un-lft-identity
103×add-sqr-sqrt
83×add-cube-cbrt
74×associate-+r+
71×distribute-rgt-in distribute-lft-in
55×associate--l+
38×pow1
34×associate-+l+
30×log-pow
21×log-prod
16×distribute-lft-out--
10×associate-*r* associate-*r/
sub-neg
add-cbrt-cube difference-of-squares
add-exp-log add-log-exp
flip3-- associate-*l* flip--
expm1-log1p-u fma-neg frac-add log1p-expm1-u
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
+-commutative sum-log fma-def flip3-+ diff-log exp-sum flip-+
Counts
4 → 242
Calls
4 calls:
192.0ms
(* x (exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (fma (/ 1/2 1.0) (/ (pow z 2) 1.0) (* z 1.0))) b)))))
14.0ms
(- (log z) t)
47.0ms
(* y (- (log z) t))
86.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (fma (/ 1/2 1.0) (/ (pow z 2) 1.0) (* z 1.0))) b)))

series893.0ms

Counts
4 → 12
Calls
4 calls:
339.0ms
(* x (exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (fma (/ 1/2 1.0) (/ (pow z 2) 1.0) (* z 1.0))) b)))))
121.0ms
(- (log z) t)
106.0ms
(* y (- (log z) t))
327.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (fma (/ 1/2 1.0) (/ (pow z 2) 1.0) (* z 1.0))) b)))

simplify1.6s

Counts
254 → 254
Iterations
IterNodes
done5000
23874
11071
0427

prune2.3s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize86.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt z) (cbrt z))
0.6b
(cbrt z)
0.6b
(cbrt z)
0.6b
(cbrt z)

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×*-un-lft-identity add-cube-cbrt
11×pow1
pow1/3
swap-sqr associate-*r* associate-*l* add-exp-log
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 81
Calls
4 calls:
18.0ms
(* (cbrt z) (cbrt z))
1.0ms
(cbrt z)
1.0ms
(cbrt z)
1.0ms
(cbrt z)

series1.2s

Counts
4 → 12
Calls
4 calls:
340.0ms
(* (cbrt z) (cbrt z))
310.0ms
(cbrt z)
281.0ms
(cbrt z)
287.0ms
(cbrt z)

simplify1.1s

Counts
93 → 93
Iterations
IterNodes
done5001
2725
1142
065

prune1.1s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize127.0ms

Local error

Found 4 expressions with local error:

0.0b
(* x (sqrt (exp (fma a (- (log 1.0) (fma (/ (* z z) 1.0) (/ 1/2 1.0) (fma 1.0 z b))) (* (- (log z) t) y)))))
0.2b
(* (- (log z) t) y)
0.2b
(* y (- (log z) t))
0.5b
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (fma (/ 1/2 1.0) (/ (pow z 2) 1.0) (* z 1.0))) b)))

rewrite178.0ms

Algorithm
rewrite-expression-head
Rules
108×prod-diff
101×add-sqr-sqrt *-un-lft-identity
77×add-cube-cbrt
74×associate-+r+
71×distribute-rgt-in distribute-lft-in
52×associate--l+
36×pow1
34×associate-+l+
26×log-pow
18×log-prod
16×associate-*r* distribute-lft-out--
12×associate-*l*
10×add-cbrt-cube associate-*r/ add-exp-log
sub-neg difference-of-squares
flip3-- flip-- add-log-exp
sqrt-prod
expm1-log1p-u frac-add log1p-expm1-u unswap-sqr
pow-prod-down prod-exp *-commutative cbrt-unprod
associate-*l/
+-commutative sum-log fma-def flip3-+ exp-sum flip-+ fma-udef
Counts
4 → 235
Calls
4 calls:
25.0ms
(* x (sqrt (exp (fma a (- (log 1.0) (fma (/ (* z z) 1.0) (/ 1/2 1.0) (fma 1.0 z b))) (* (- (log z) t) y)))))
27.0ms
(* (- (log z) t) y)
23.0ms
(* y (- (log z) t))
77.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (fma (/ 1/2 1.0) (/ (pow z 2) 1.0) (* z 1.0))) b)))

series989.0ms

Counts
4 → 12
Calls
4 calls:
386.0ms
(* x (sqrt (exp (fma a (- (log 1.0) (fma (/ (* z z) 1.0) (/ 1/2 1.0) (fma 1.0 z b))) (* (- (log z) t) y)))))
110.0ms
(* (- (log z) t) y)
107.0ms
(* y (- (log z) t))
386.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (fma (/ 1/2 1.0) (/ (pow z 2) 1.0) (* z 1.0))) b)))

simplify1.5s

Counts
247 → 247
Iterations
IterNodes
done5000
24141
11120
0458

prune2.8s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

regimes631.0ms

Accuracy

0% (0.1b remaining)

Error of 0.4b against oracle of 0.3b and baseline of 0.4b

bsearch0.0ms

simplify4.0ms

Iterations
IterNodes
done30
130
026

end0.0ms

sample12.2s

Algorithm
intervals
Results
5.7s41264×body80nan
2.0s12462×body80valid
227.0ms351×body640valid
178.0ms381×body320valid
66.0ms65×body1280valid
55.0ms265×body160valid