Details

Time bar (total: 19.8s)

sample164.0ms

Algorithm
intervals
Results
85.0ms1622×body80nan
16.0ms256×body80valid

simplify5.9s

Counts
1 → 1
Iterations

Useful iterations: 2 (7.0ms)

IterNodesCost
01516
12716
26015
313015
433015
580515
6145715
7223815
8243515
9244215
done244215

prune11.0ms

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))
7.0ms
(+ (log (+ x y)) (log z))

series166.0ms

Counts
2 → 6
Calls
2 calls:
91.0ms
(fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))
75.0ms
(+ (log (+ x y)) (log z))

simplify877.0ms

Counts
46 → 46
Iterations

Useful iterations: done (875.0ms)

IterNodesCost
0114567
1263548
2638490
32175479
done5000476

prune204.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.1b

localize18.0ms

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))

series159.0ms

Counts
2 → 6
Calls
2 calls:
87.0ms
(fma (- a 0.5) (log t) (- (+ (log (+ x y)) (log z)) t))
71.0ms
(+ (log (+ x y)) (log z))

simplify1.1s

Counts
46 → 46
Iterations

Useful iterations: done (1.1s)

IterNodesCost
0114567
1263548
2638490
32175479
done5000476

prune211.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.1b

localize31.0ms

Local error

Found 4 expressions with local error:

0.4b
(fma (log z) (log z) (* (log (+ x y)) (- (log (+ x y)) (log z))))
0.5b
(- (log (+ x y)) (log z))
0.7b
(pow (log z) 3)
0.7b
(pow (log (+ x y)) 3)

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
27×*-un-lft-identity
23×pow1 add-sqr-sqrt
21×add-cube-cbrt
17×log-pow
16×prod-diff
unpow-prod-down cube-prod
log-prod
add-exp-log pow-unpow add-cbrt-cube
expm1-log1p-u fma-neg associate--l+ log1p-expm1-u distribute-lft-out-- add-log-exp
associate--r+
associate--l- cube-mult pow-to-exp log-div pow-pow unpow3 pow-exp rem-cube-cbrt sqr-pow
sub-neg flip3-- flip3-+ diff-log flip-- flip-+ fma-udef distribute-lft-out difference-of-squares
Counts
4 → 112
Calls
4 calls:
0.0ms
(fma (log z) (log z) (* (log (+ x y)) (- (log (+ x y)) (log z))))
7.0ms
(- (log (+ x y)) (log z))
2.0ms
(pow (log z) 3)
2.0ms
(pow (log (+ x y)) 3)

series815.0ms

Counts
4 → 12
Calls
4 calls:
266.0ms
(fma (log z) (log z) (* (log (+ x y)) (- (log (+ x y)) (log z))))
69.0ms
(- (log (+ x y)) (log z))
173.0ms
(pow (log z) 3)
307.0ms
(pow (log (+ x y)) 3)

simplify792.0ms

Counts
124 → 124
Iterations

Useful iterations: done (789.0ms)

IterNodesCost
01811621
14081248
215541117
done50001098

prune521.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

localize20.0ms

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))

rewrite29.0ms

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:
5.0ms
(* (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))))
7.0ms
(+ (log (+ x y)) (log z))
6.0ms
(+ (log (+ x y)) (log z))
7.0ms
(+ (log (+ x y)) (log z))

series1.3s

Counts
4 → 12
Calls
4 calls:
1.1s
(* (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))))
72.0ms
(+ (log (+ x y)) (log z))
71.0ms
(+ (log (+ x y)) (log z))
75.0ms
(+ (log (+ x y)) (log z))

simplify883.0ms

Counts
144 → 144
Iterations

Useful iterations: done (878.0ms)

IterNodesCost
02853590
18323330
232573054
done50013053

prune643.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.0b

regimes651.0ms

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: 1 (1.0ms)

IterNodesCost
02339
12837
done2837

end0.0ms

sample5.3s

Algorithm
intervals
Results
2.8s55100×body80nan
518.0ms8032×body80valid