Details

Time bar (total: 29.8s)

sample377.0ms

Algorithm
intervals
Results
187.0ms1846×body80nan
27.0ms258×body80valid

simplify2.2s

Counts
1 → 1
Iterations
IterNodes
done5000
51804
4471
3157
261
127
015

prune24.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.3b

localize39.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (log z) t)
0.2b
(fma (log t) (- a 0.5) (+ (log (+ y x)) (- (log z) t)))
0.3b
(+ (log (+ y x)) (- (log z) t))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
38×*-un-lft-identity
24×add-sqr-sqrt prod-diff
22×add-cube-cbrt
17×pow1 associate-+r+
14×log-pow
10×log-prod
distribute-lft-out
associate--l+ distribute-lft-out-- add-log-exp
associate-+l+ fma-def fma-neg
expm1-log1p-u add-cbrt-cube add-exp-log log1p-expm1-u
log-div sum-log sub-neg flip3-+ diff-log associate-+l- flip-+
+-commutative associate-+r- flip3-- fma-udef flip-- difference-of-squares
Counts
3 → 94
Calls
3 calls:
7.0ms
(- (log z) t)
0.0ms
(fma (log t) (- a 0.5) (+ (log (+ y x)) (- (log z) t)))
23.0ms
(+ (log (+ y x)) (- (log z) t))

series449.0ms

Counts
3 → 9
Calls
3 calls:
92.0ms
(- (log z) t)
133.0ms
(fma (log t) (- a 0.5) (+ (log (+ y x)) (- (log z) t)))
224.0ms
(+ (log (+ y x)) (- (log z) t))

simplify1.1s

Counts
103 → 103
Iterations
IterNodes
done5001
21450
1440
0185

prune828.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

localize71.0ms

Local error

Found 4 expressions with local error:

0.2b
(fma (log t) (- a 0.5) (+ (fma 2 (log (cbrt z)) (log (+ x y))) (- (log (cbrt z)) t)))
0.5b
(fma 2 (log (cbrt z)) (log (+ x y)))
0.6b
(cbrt z)
0.6b
(cbrt z)

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
pow1/3 fma-udef
Counts
4 → 46
Calls
4 calls:
0.0ms
(fma (log t) (- a 0.5) (+ (fma 2 (log (cbrt z)) (log (+ x y))) (- (log (cbrt z)) t)))
0.0ms
(fma 2 (log (cbrt z)) (log (+ x y)))
1.0ms
(cbrt z)
1.0ms
(cbrt z)

series1.0s

Counts
4 → 12
Calls
4 calls:
230.0ms
(fma (log t) (- a 0.5) (+ (fma 2 (log (cbrt z)) (log (+ x y))) (- (log (cbrt z)) t)))
172.0ms
(fma 2 (log (cbrt z)) (log (+ x y)))
277.0ms
(cbrt z)
332.0ms
(cbrt z)

simplify2.1s

Counts
58 → 58
Iterations
IterNodes
done5000
32770
2622
1227
0106

prune525.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

localize45.0ms

Local error

Found 4 expressions with local error:

0.2b
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (- (log (cbrt z)) t))
0.5b
(fma 2 (log (cbrt z)) (log (+ x y)))
0.6b
(cbrt z)
0.6b
(cbrt z)

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
24×*-un-lft-identity
23×associate-+r+
17×add-sqr-sqrt add-cube-cbrt
15×prod-diff
cbrt-prod
pow1 add-log-exp
log-pow
log-prod associate--l+
pow1/3
expm1-log1p-u add-cbrt-cube add-exp-log log1p-expm1-u
fma-def distribute-lft-out
sum-log fma-udef distribute-lft-out--
+-commutative associate-+l+ associate-+r- sub-neg flip3-+ diff-log flip-+
Counts
4 → 81
Calls
4 calls:
19.0ms
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (- (log (cbrt z)) t))
0.0ms
(fma 2 (log (cbrt z)) (log (+ x y)))
1.0ms
(cbrt z)
1.0ms
(cbrt z)

series1.1s

Counts
4 → 12
Calls
4 calls:
527.0ms
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (- (log (cbrt z)) t))
157.0ms
(fma 2 (log (cbrt z)) (log (+ x y)))
237.0ms
(cbrt z)
209.0ms
(cbrt z)

simplify1.4s

Counts
93 → 93
Iterations
IterNodes
done5000
21093
1319
0146

prune1.0s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

localize47.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (log t) (- a 0.5))
0.1b
(+ (* (log t) (- a 0.5)) (- (fma 1/3 (log z) (fma 2/3 (log z) (log (+ x y)))) t))
0.4b
(fma 1/3 (log z) (fma 2/3 (log z) (log (+ x y))))
0.6b
(fma 2/3 (log z) (log (+ x y)))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
45×prod-diff
40×add-sqr-sqrt
38×*-un-lft-identity
36×add-cube-cbrt
22×distribute-rgt-in associate-+l+ distribute-lft-in
12×associate-+r+
add-log-exp
pow1
add-cbrt-cube associate-*r/ add-exp-log
sub-neg flip3-- associate-*r* flip--
expm1-log1p-u associate-*l* frac-add log1p-expm1-u
fma-udef
sum-log
+-commutative associate-+r- fma-def flip3-+ diff-log pow-prod-down prod-exp associate--l+ log-pow *-commutative cbrt-unprod flip-+ distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 121
Calls
4 calls:
32.0ms
(* (log t) (- a 0.5))
28.0ms
(+ (* (log t) (- a 0.5)) (- (fma 1/3 (log z) (fma 2/3 (log z) (log (+ x y)))) t))
0.0ms
(fma 1/3 (log z) (fma 2/3 (log z) (log (+ x y))))
0.0ms
(fma 2/3 (log z) (log (+ x y)))

series516.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(* (log t) (- a 0.5))
132.0ms
(+ (* (log t) (- a 0.5)) (- (fma 1/3 (log z) (fma 2/3 (log z) (log (+ x y)))) t))
154.0ms
(fma 1/3 (log z) (fma 2/3 (log z) (log (+ x y))))
125.0ms
(fma 2/3 (log z) (log (+ x y)))

simplify1.8s

Counts
133 → 133
Iterations
IterNodes
done5000
23492
1764
0280

prune1.4s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.0b

regimes1.8s

Accuracy

0% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 0.3b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done21
121
018

end0.0ms

sample11.9s

Algorithm
intervals
Results
6.5s55612×body80nan
1.2s8043×body80valid