Details

Time bar (total: 40.7s)

sample241.0ms

Algorithm
intervals
Results
139.0ms1547×body80nan
22.0ms259×body80valid

simplify9.1s

Counts
1 → 1
Iterations

Useful iterations: 2 (7.0ms)

IterNodesCost
01516
12716
26115
315515
435615
585815
6159815
7219415
8261815
9263015
done263015

prune14.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.3b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (+ (log (+ x y)) (log z)) t)
0.2b
(fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))
0.6b
(+ (log (+ x y)) (log z))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
49×*-un-lft-identity
28×pow1
25×log-pow distribute-lft-out
21×prod-diff
19×add-sqr-sqrt
17×add-cube-cbrt
log-prod fma-neg
add-log-exp
distribute-lft-out--
associate-+l- log-div associate-+l+ fma-def
add-exp-log expm1-log1p-u associate-+r+ flip3-+ add-cbrt-cube flip-+ log1p-expm1-u
associate--l- diff-log sum-log
+-commutative sub-neg flip3-- associate--l+ flip-- fma-udef difference-of-squares
Counts
3 → 92
Calls
3 calls:
68.0ms
(- (+ (log (+ x y)) (log z)) t)
0.0ms
(fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))
13.0ms
(+ (log (+ x y)) (log z))

series418.0ms

Counts
3 → 9
Calls
3 calls:
233.0ms
(- (+ (log (+ x y)) (log z)) t)
104.0ms
(fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))
81.0ms
(+ (log (+ x y)) (log z))

simplify2.0s

Counts
101 → 101
Iterations

Useful iterations: 3 (951.0ms)

IterNodesCost
01701568
13881337
210001146
339211059
done50001059

prune499.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.1b

localize30.0ms

Local error

Found 4 expressions with local error:

0.4b
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (log (cbrt z)))
0.6b
(cbrt z)
0.6b
(cbrt z)
0.6b
(fma 2 (log (cbrt z)) (log (+ x y)))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
12×*-un-lft-identity
cbrt-prod add-sqr-sqrt add-cube-cbrt
associate-+r+ log-prod
pow1 add-log-exp
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
fma-def
pow1/3 fma-udef distribute-lft-out
+-commutative associate-+l+ flip3-+ sum-log log-pow flip-+
Counts
4 → 61
Calls
4 calls:
15.0ms
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (log (cbrt z)))
1.0ms
(cbrt z)
1.0ms
(cbrt z)
0.0ms
(fma 2 (log (cbrt z)) (log (+ x y)))

series992.0ms

Counts
4 → 12
Calls
4 calls:
288.0ms
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (log (cbrt z)))
246.0ms
(cbrt z)
284.0ms
(cbrt z)
174.0ms
(fma 2 (log (cbrt z)) (log (+ x y)))

simplify3.0s

Counts
73 → 73
Iterations

Useful iterations: done (2.9s)

IterNodesCost
099750
1205706
2525648
31954517
done5000495

prune515.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

localize37.0ms

Local error

Found 4 expressions with local error:

0.4b
(+ (log (cbrt z)) (log (+ x y)))
0.6b
(cbrt z)
0.6b
(cbrt z)
0.6b
(+ (* 2 (log (cbrt z))) (+ (log (cbrt z)) (log (+ x y))))

rewrite111.0ms

Algorithm
rewrite-expression-head
Rules
22×log-prod
20×*-un-lft-identity
18×associate-+l+
15×cbrt-prod
14×add-sqr-sqrt add-cube-cbrt
pow1
add-log-exp
distribute-rgt-in associate-+r- fma-def distribute-lft-in log-pow
associate-+r+ distribute-lft-out
add-exp-log expm1-log1p-u log-div flip3-+ sum-log add-cbrt-cube flip-+ log1p-expm1-u
pow1/3
+-commutative
Counts
4 → 90
Calls
4 calls:
27.0ms
(+ (log (cbrt z)) (log (+ x y)))
2.0ms
(cbrt z)
2.0ms
(cbrt z)
75.0ms
(+ (* 2 (log (cbrt z))) (+ (log (cbrt z)) (log (+ x y))))

series1.0s

Counts
4 → 12
Calls
4 calls:
168.0ms
(+ (log (cbrt z)) (log (+ x y)))
314.0ms
(cbrt z)
348.0ms
(cbrt z)
211.0ms
(+ (* 2 (log (cbrt z))) (+ (log (cbrt z)) (log (+ x y))))

simplify3.2s

Counts
102 → 102
Iterations

Useful iterations: done (3.2s)

IterNodesCost
01381073
1363928
2988845
33917775
done5000774

prune668.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.1b

localize47.0ms

Local error

Found 4 expressions with local error:

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

rewrite124.0ms

Algorithm
rewrite-expression-head
Rules
39×*-un-lft-identity
29×add-sqr-sqrt
26×pow1
21×add-cube-cbrt log-prod
16×cbrt-prod
15×log-pow distribute-lft-out
12×associate-+l+ fma-def
associate-+r+
add-exp-log associate-+l- log-div flip3-+ pow1/3 swap-sqr associate-*r* associate-*l* flip-+
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
+-commutative sum-log
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 132
Calls
4 calls:
23.0ms
(* (cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))) (cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))))
27.0ms
(+ (log (+ x y)) (log z))
27.0ms
(+ (log (+ x y)) (log z))
37.0ms
(+ (log (+ x y)) (log z))

series1.9s

Counts
4 → 12
Calls
4 calls:
1.6s
(* (cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))) (cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))))
110.0ms
(+ (log (+ x y)) (log z))
105.0ms
(+ (log (+ x y)) (log z))
118.0ms
(+ (log (+ x y)) (log z))

simplify1.8s

Counts
144 → 144
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02853590
18323330
230723030
done50002745

prune1.1s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.1b

regimes852.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01721
11921
done1921

end0.0ms

sample13.0s

Algorithm
intervals
Results
8.3s57030×body80nan
1.4s8036×body80valid