Details

Time bar (total: 14.9s)

sample172.0ms

Algorithm
intervals
Results
86.0ms1827×body80nan
14.0ms257×body80valid

simplify2.8s

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01516
12716
26015
313015
433015
580515
6145715
7224115
8243615
9244315
done244315

prune13.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize15.0ms

Local error

Found 2 expressions with local error:

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

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
11×*-un-lft-identity
pow1 log-prod
add-sqr-sqrt add-cube-cbrt log-pow distribute-lft-out
associate-+l+ fma-def
associate-+r+
add-exp-log expm1-log1p-u associate-+l- log-div flip3-+ add-cbrt-cube flip-+ log1p-expm1-u add-log-exp
+-commutative sum-log fma-udef
Counts
2 → 40
Calls
2 calls:
0.0ms
(fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))
6.0ms
(+ (log (+ x y)) (log z))

series167.0ms

Counts
2 → 6
Calls
2 calls:
92.0ms
(fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))
75.0ms
(+ (log (+ x y)) (log z))

simplify883.0ms

Counts
46 → 46
Iterations

Useful iterations: done (881.0ms)

IterNodesCost
0114567
1263548
2638490
32175479
done5000476

prune191.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

localize18.0ms

Local error

Found 4 expressions with local error:

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

rewrite6.0ms

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:
4.0ms
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (log (cbrt z)))
0.0ms
(fma 2 (log (cbrt z)) (log (+ x y)))
0.0ms
(cbrt z)
1.0ms
(cbrt z)

series683.0ms

Counts
4 → 12
Calls
4 calls:
181.0ms
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (log (cbrt z)))
143.0ms
(fma 2 (log (cbrt z)) (log (+ x y)))
178.0ms
(cbrt z)
180.0ms
(cbrt z)

simplify800.0ms

Counts
73 → 73
Iterations

Useful iterations: done (798.0ms)

IterNodesCost
099750
1206706
2502648
31865542
done5001534

prune368.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.1b

localize15.0ms

Local error

Found 3 expressions with local error:

0.1b
(+ (* (log t) (- a 0.5)) (- (+ (log (+ x y)) (log z)) t))
0.1b
(* (log t) (- a 0.5))
0.6b
(+ (log (+ x y)) (log z))

rewrite86.0ms

Algorithm
rewrite-expression-head
Rules
62×*-un-lft-identity
57×prod-diff
46×add-sqr-sqrt
42×add-cube-cbrt
27×associate-+r+
26×associate-+l+
23×pow1
22×distribute-rgt-in distribute-lft-in
18×log-pow
17×distribute-lft-out
10×add-log-exp
log-prod
associate-*r/
add-exp-log sub-neg flip3-- fma-def associate-*r* sum-log add-cbrt-cube flip--
associate-*l* frac-add
expm1-log1p-u flip3-+ flip-+ log1p-expm1-u
+-commutative associate-+l- log-div diff-log
associate-+r- pow-prod-down prod-exp associate--l+ *-commutative cbrt-unprod distribute-lft-out-- difference-of-squares unswap-sqr
Counts
3 → 144
Calls
3 calls:
56.0ms
(+ (* (log t) (- a 0.5)) (- (+ (log (+ x y)) (log z)) t))
14.0ms
(* (log t) (- a 0.5))
6.0ms
(+ (log (+ x y)) (log z))

series285.0ms

Counts
3 → 9
Calls
3 calls:
108.0ms
(+ (* (log t) (- a 0.5)) (- (+ (log (+ x y)) (log z)) t))
105.0ms
(* (log t) (- a 0.5))
72.0ms
(+ (log (+ x y)) (log z))

simplify888.0ms

Counts
153 → 153
Iterations

Useful iterations: done (884.0ms)

IterNodesCost
02932998
17492502
224392228
done50002188

prune496.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.1b
(+ (fma (log t) (- a 0.5) (log (+ x y))) (- (log z) t))
0.3b
(fma (log t) (- a 0.5) (log (+ x y)))
0.5b
(* (sqrt t) (sqrt t))
61.0b
(fma (- (sqrt t)) (sqrt t) (* (sqrt t) (sqrt t)))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
33×add-sqr-sqrt
28×*-un-lft-identity
23×pow1
21×add-cube-cbrt
18×sqrt-prod
17×associate-+r+
12×prod-diff
sqrt-pow1 pow1/2 swap-sqr add-log-exp
add-exp-log associate-*r* associate-*l* add-cbrt-cube
pow-prod-up
expm1-log1p-u log-pow log1p-expm1-u unswap-sqr
log-prod fma-def pow-prod-down associate--l+ pow-sqr fma-udef distribute-lft-out
sum-log distribute-lft-out--
+-commutative pow2 associate-+r- sub-neg associate-+l+ flip3-+ pow-plus sqrt-unprod diff-log prod-exp rem-square-sqrt *-commutative cbrt-unprod flip-+
Counts
4 → 110
Calls
4 calls:
14.0ms
(+ (fma (log t) (- a 0.5) (log (+ x y))) (- (log z) t))
0.0ms
(fma (log t) (- a 0.5) (log (+ x y)))
6.0ms
(* (sqrt t) (sqrt t))
0.0ms
(fma (- (sqrt t)) (sqrt t) (* (sqrt t) (sqrt t)))

series351.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(+ (fma (log t) (- a 0.5) (log (+ x y))) (- (log z) t))
125.0ms
(fma (log t) (- a 0.5) (log (+ x y)))
16.0ms
(* (sqrt t) (sqrt t))
111.0ms
(fma (- (sqrt t)) (sqrt t) (* (sqrt t) (sqrt t)))

simplify497.0ms

Counts
122 → 122
Iterations

Useful iterations: done (494.0ms)

IterNodesCost
02111638
14671235
213541125
done50001101

prune432.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

regimes637.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02240
12740
done2740

end0.0ms

sample5.0s

Algorithm
intervals
Results
2.6s55403×body80nan
465.0ms8030×body80valid