Details

Time bar (total: 8.4s)

sample169.0ms

Algorithm
intervals
Results
87.0ms1827×body80nan
14.0ms257×body80valid

simplify4.8s

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01516
12716
26015
313015
433215
589315
6165915
7272115
8315915
9316615
done316615

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))

series162.0ms

Counts
2 → 6
Calls
2 calls:
90.0ms
(fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))
72.0ms
(+ (log (+ x y)) (log z))

simplify629.0ms

Counts
46 → 46
Iterations

Useful iterations: done (627.0ms)

IterNodesCost
0114567
1263548
2670490
32378479
done5000476

prune190.0ms

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)

rewrite7.0ms

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)

series652.0ms

Counts
4 → 12
Calls
4 calls:
176.0ms
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (log (cbrt z)))
135.0ms
(fma 2 (log (cbrt z)) (log (+ x y)))
168.0ms
(cbrt z)
172.0ms
(cbrt z)

simplify749.0ms

Counts
73 → 73
Iterations

Useful iterations: done (748.0ms)

IterNodesCost
099750
1206707
2567651
32087545
done5000537

prune360.0ms

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

rewrite139.0ms

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--
add-exp-log flip3-- associate-*l* sum-log add-cbrt-cube flip--
associate-*r* frac-add
expm1-log1p-u associate-+l- flip3-+ 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:
115.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
13.0ms
(* (- a 0.5) (log t))
6.0ms
(+ (log (+ x y)) (log z))

series454.0ms

Counts
3 → 9
Calls
3 calls:
326.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
57.0ms
(* (- a 0.5) (log t))
70.0ms
(+ (log (+ x y)) (log z))

simplify48.0ms

Iterations

Useful iterations: 0 (6.0ms)

IterNodesCost
02411955