Details

Time bar (total: 40.3s)

sample256.0ms

Algorithm
intervals
Results
147.0ms1606×body80nan
21.0ms258×body80valid

simplify5.9s

Counts
1 → 1
Iterations

Useful iterations: 2 (13.0ms)

IterNodesCost
015456
127456
261431
3155431
4411431
5984431
61851431
73467431
done5000431

prune24.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize37.0ms

Local error

Found 3 expressions with local error:

0.1b
(* (- a 0.5) (log t))
0.1b
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
0.5b
(+ (log (+ x y)) (log z))

rewrite305.0ms

Algorithm
rewrite-expression-head
Rules
53×*-un-lft-identity
29×add-sqr-sqrt
28×associate-+l+
27×pow1
23×add-cube-cbrt
22×log-pow
21×prod-diff distribute-lft-out
19×log-prod
13×fma-def
10×add-log-exp
associate-+r+
distribute-rgt-in distribute-lft-in associate-*l/ distribute-lft-out--
sum-log flip3-- add-cbrt-cube associate-*l* add-exp-log flip--
associate-*r* frac-add
expm1-log1p-u flip3-+ associate-+l- flip-+ log1p-expm1-u
+-commutative log-div diff-log difference-of-squares
sub-neg pow-prod-down prod-exp associate--l+ *-commutative cbrt-unprod unswap-sqr
Counts
3 → 120
Calls
3 calls:
19.0ms
(* (- a 0.5) (log t))
268.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
14.0ms
(+ (log (+ x y)) (log z))

series406.0ms

Counts
3 → 9
Calls
3 calls:
77.0ms
(* (- a 0.5) (log t))
255.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
74.0ms
(+ (log (+ x y)) (log z))

simplify2.4s

Counts
129 → 129
Iterations

Useful iterations: done (2.4s)

IterNodesCost
024347466
167243305
2245138914
done501238663

prune1.2s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize33.0ms

Local error

Found 2 expressions with local error:

0.1b
(+ (log (+ x y)) (fma (- a 0.5) (log t) (- (log z) t)))
0.2b
(fma (- a 0.5) (log t) (- (log z) t))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-sqr-sqrt pow1 associate-+l+ log-prod fma-def add-cube-cbrt
distribute-lft-out add-log-exp
expm1-log1p-u log-div flip3-+ add-cbrt-cube add-exp-log log-pow associate-+l- flip-+ fma-udef log1p-expm1-u
+-commutative associate-+r+ sum-log
Counts
2 → 36
Calls
2 calls:
15.0ms
(+ (log (+ x y)) (fma (- a 0.5) (log t) (- (log z) t)))
1.0ms
(fma (- a 0.5) (log t) (- (log z) t))

series274.0ms

Counts
2 → 6
Calls
2 calls:
202.0ms
(+ (log (+ x y)) (fma (- a 0.5) (log t) (- (log z) t)))
72.0ms
(fma (- a 0.5) (log t) (- (log z) t))

simplify3.3s

Counts
42 → 42
Iterations

Useful iterations: done (3.3s)

IterNodesCost
011117974
127717351
277217061
3313316981
done500316656

prune289.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize44.0ms

Local error

Found 4 expressions with local error:

0.5b
(+ (log (+ x y)) (log z))
0.6b
(cbrt t)
0.6b
(cbrt t)
0.6b
(cbrt t)

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
16×*-un-lft-identity
10×add-sqr-sqrt add-cube-cbrt
cbrt-prod pow1
log-prod
log-pow distribute-lft-out
expm1-log1p-u associate-+l+ fma-def add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
associate-+r+ pow1/3
log-div flip3-+ associate-+l- flip-+
+-commutative sum-log
Counts
4 → 69
Calls
4 calls:
10.0ms
(+ (log (+ x y)) (log z))
1.0ms
(cbrt t)
1.0ms
(cbrt t)
1.0ms
(cbrt t)

series840.0ms

Counts
4 → 12
Calls
4 calls:
109.0ms
(+ (log (+ x y)) (log z))
276.0ms
(cbrt t)
252.0ms
(cbrt t)
203.0ms
(cbrt t)

simplify4.5s

Counts
81 → 81
Iterations

Useful iterations: 3 (613.0ms)

IterNodesCost
09617520
120016032
252315519
3140315015
4404215015
done500015015

prune741.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize76.0ms

Local error

Found 4 expressions with local error:

0.5b
(+ (log (+ x y)) (log z))
0.6b
(cbrt t)
0.6b
(cbrt t)
5.1b
(pow t 1/3)

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
17×*-un-lft-identity
11×add-sqr-sqrt add-cube-cbrt
10×pow1
log-prod
cbrt-prod
add-exp-log log-pow distribute-lft-out
expm1-log1p-u associate-+l+ fma-def add-cbrt-cube log1p-expm1-u add-log-exp
pow-unpow associate-+r+ unpow-prod-down
log-div flip3-+ pow1/3 associate-+l- flip-+
pow-to-exp +-commutative sum-log pow-pow unpow1/3 pow-exp sqr-pow
Counts
4 → 76
Calls
4 calls:
20.0ms
(+ (log (+ x y)) (log z))
1.0ms
(cbrt t)
1.0ms
(cbrt t)
4.0ms
(pow t 1/3)

series863.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(+ (log (+ x y)) (log z))
244.0ms
(cbrt t)
240.0ms
(cbrt t)
296.0ms
(pow t 1/3)

simplify4.3s

Counts
88 → 88
Iterations

Useful iterations: 4 (2.6s)

IterNodesCost
012521013
127917240
270516844
3180116230
4399016189
done500216189

prune878.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

regimes1.4s

Accuracy

0% (0.2b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.3b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
014431
116431
done16431

end0.0ms

sample12.1s

Algorithm
intervals
Results
8.1s55463×body80nan
1.0s8024×body80valid