Details

Time bar (total: 8.6s)

sample176.0ms

Algorithm
intervals
Results
88.0ms1827×body80nan
14.0ms257×body80valid

simplify5.0s

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

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

prune12.0ms

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))

series165.0ms

Counts
2 → 6
Calls
2 calls:
93.0ms
(fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))
72.0ms
(+ (log (+ x y)) (log z))

simplify656.0ms

Counts
46 → 46
Iterations

Useful iterations: done (654.0ms)

IterNodesCost
0114567
1263548
2670490
32378479
done5000476

prune199.0ms

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)

series678.0ms

Counts
4 → 12
Calls
4 calls:
179.0ms
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (log (cbrt z)))
136.0ms
(fma 2 (log (cbrt z)) (log (+ x y)))
179.0ms
(cbrt z)
184.0ms
(cbrt z)

simplify787.0ms

Counts
73 → 73
Iterations

Useful iterations: done (785.0ms)

IterNodesCost
099750
1206707
2567651
32087545
done5000537

prune390.0ms

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))

rewrite89.0ms

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:
64.0ms
(+ (* (log t) (- a 0.5)) (- (+ (log (+ x y)) (log z)) t))
12.0ms
(* (log t) (- a 0.5))
6.0ms
(+ (log (+ x y)) (log z))

series276.0ms

Counts
3 → 9
Calls
3 calls:
105.0ms
(+ (* (log t) (- a 0.5)) (- (+ (log (+ x y)) (log z)) t))
96.0ms
(* (log t) (- a 0.5))
76.0ms
(+ (log (+ x y)) (log z))

simplify62.0ms

Iterations

Useful iterations: 0 (14.0ms)

IterNodesCost
02932998