Details

Time bar (total: 41.0s)

sample239.0ms

Algorithm
intervals
Results
99.0ms1820×body80nan
20.0ms257×body80valid

simplify8.9s

Counts
1 → 1
Iterations

Useful iterations: 2 (13.0ms)

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

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize16.0ms

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))

rewrite104.0ms

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:
76.0ms
(- (+ (log (+ x y)) (log z)) t)
0.0ms
(fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))
20.0ms
(+ (log (+ x y)) (log z))

series489.0ms

Counts
3 → 9
Calls
3 calls:
243.0ms
(- (+ (log (+ x y)) (log z)) t)
146.0ms
(fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))
101.0ms
(+ (log (+ x y)) (log z))

simplify2.5s

Counts
101 → 101
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
01701568
13881337
210001146
339211059
done50001059

prune395.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.1b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(log (sqrt z))
0.2b
(fma (- a 0.5) (log t) (- (+ (+ (log (+ x y)) (log (sqrt z))) (log (sqrt z))) t))
0.4b
(+ (+ (log (+ x y)) (log (sqrt z))) (log (sqrt z)))
0.5b
(+ (log (+ x y)) (log (sqrt z)))

rewrite154.0ms

Algorithm
rewrite-expression-head
Rules
38×*-un-lft-identity
28×pow1
27×distribute-lft-out
25×log-pow
22×log-prod
13×add-sqr-sqrt add-cube-cbrt
12×associate-+r+
11×fma-def
sqrt-prod
associate-+l-
add-exp-log associate-+l+ add-log-exp
expm1-log1p-u log-div flip3-+ sum-log add-cbrt-cube flip-+ log1p-expm1-u
+-commutative
sqrt-pow1 pow1/2 rem-log-exp fma-udef
Counts
4 → 102
Calls
4 calls:
4.0ms
(log (sqrt z))
1.0ms
(fma (- a 0.5) (log t) (- (+ (+ (log (+ x y)) (log (sqrt z))) (log (sqrt z))) t))
125.0ms
(+ (+ (log (+ x y)) (log (sqrt z))) (log (sqrt z)))
17.0ms
(+ (log (+ x y)) (log (sqrt z)))

series668.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(log (sqrt z))
173.0ms
(fma (- a 0.5) (log t) (- (+ (+ (log (+ x y)) (log (sqrt z))) (log (sqrt z))) t))
227.0ms
(+ (+ (log (+ x y)) (log (sqrt z))) (log (sqrt z)))
205.0ms
(+ (log (+ x y)) (log (sqrt z)))

simplify2.5s

Counts
114 → 114
Iterations

Useful iterations: done (2.4s)

IterNodesCost
01861467
14671306
212791164
346751113
done50001109

prune502.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

localize28.0ms

Local error

Found 4 expressions with local error:

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

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
16×*-un-lft-identity
10×add-sqr-sqrt add-cube-cbrt
pow1 cbrt-prod
log-prod
log-pow distribute-lft-out
add-exp-log expm1-log1p-u associate-+l+ fma-def add-cbrt-cube log1p-expm1-u add-log-exp
associate-+r+ pow1/3
associate-+l- log-div flip3-+ flip-+
+-commutative sum-log
Counts
4 → 69
Calls
4 calls:
13.0ms
(+ (log (+ x y)) (log z))
1.0ms
(cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t)))
1.0ms
(cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t)))
1.0ms
(cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t)))

series4.1s

Counts
4 → 12
Calls
4 calls:
115.0ms
(+ (log (+ x y)) (log z))
1.4s
(cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t)))
1.4s
(cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t)))
1.3s
(cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t)))

simplify1.4s

Counts
81 → 81
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02363757
17013570
226023262
done50003159

prune586.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.0b

localize44.0ms

Local error

Found 4 expressions with local error:

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

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
18×cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log expm1-log1p-u pow1/3 add-cbrt-cube log1p-expm1-u add-log-exp
Counts
4 → 55
Calls
4 calls:
2.0ms
(cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t)))
2.0ms
(cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t)))
2.0ms
(cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t)))
3.0ms
(cbrt (cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))))

series5.8s

Counts
4 → 12
Calls
4 calls:
1.5s
(cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t)))
1.4s
(cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t)))
1.5s
(cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t)))
1.4s
(cbrt (cbrt (fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))))

simplify2.5s

Counts
67 → 67
Iterations

Useful iterations: done (2.5s)

IterNodesCost
03044747
110004510
242214161
done50004149

prune831.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.0b

regimes1.1s

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01620
11920
done1920

end0.0ms

sample8.1s

Algorithm
intervals
Results
3.5s55308×body80nan
619.0ms8027×body80valid