Details

Time bar (total: 31.4s)

sample322.0ms

Algorithm
intervals
Results
179.0ms1676×body80nan
31.0ms257×body80valid

simplify2.4s

Counts
1 → 1
Iterations
IterNodes
done5000
51804
4471
3157
261
127
015

prune27.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize34.0ms

Local error

Found 3 expressions with local error:

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

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
38×*-un-lft-identity
24×add-sqr-sqrt prod-diff
22×add-cube-cbrt
17×pow1 associate-+r+
14×log-pow
10×log-prod
distribute-lft-out
associate--l+ distribute-lft-out-- add-log-exp
associate-+l+ fma-def fma-neg
expm1-log1p-u add-cbrt-cube add-exp-log log1p-expm1-u
log-div sum-log sub-neg flip3-+ diff-log associate-+l- flip-+
+-commutative associate-+r- flip3-- fma-udef flip-- difference-of-squares
Counts
3 → 94
Calls
3 calls:
8.0ms
(- (log z) t)
0.0ms
(fma (log t) (- a 0.5) (+ (log (+ y x)) (- (log z) t)))
32.0ms
(+ (log (+ y x)) (- (log z) t))

series455.0ms

Counts
3 → 9
Calls
3 calls:
71.0ms
(- (log z) t)
142.0ms
(fma (log t) (- a 0.5) (+ (log (+ y x)) (- (log z) t)))
241.0ms
(+ (log (+ y x)) (- (log z) t))

simplify1.2s

Counts
103 → 103
Iterations
IterNodes
done5001
21450
1440
0185

prune832.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.1b

localize35.0ms

Local error

Found 3 expressions with local error:

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

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
34×*-un-lft-identity
23×distribute-lft-out
16×pow1
13×log-pow
fma-def add-log-exp
add-sqr-sqrt associate-+l+ log-prod sum-log add-cube-cbrt
distribute-rgt-neg-in
associate-+r-
expm1-log1p-u flip3-+ add-cbrt-cube add-exp-log flip-+ log1p-expm1-u
neg-sub0 +-commutative log-div unsub-neg neg-log associate-+l-
associate-+r+ fma-udef
Counts
3 → 77
Calls
3 calls:
16.0ms
(+ (log z) (- t))
0.0ms
(fma (log t) (- a 0.5) (+ (log (+ y x)) (+ (log z) (- t))))
45.0ms
(+ (log (+ y x)) (+ (log z) (- t)))

series418.0ms

Counts
3 → 9
Calls
3 calls:
82.0ms
(+ (log z) (- t))
134.0ms
(fma (log t) (- a 0.5) (+ (log (+ y x)) (+ (log z) (- t))))
201.0ms
(+ (log (+ y x)) (+ (log z) (- t)))

simplify1.2s

Counts
86 → 86
Iterations
IterNodes
done5002
21551
1395
0150

prune650.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.1b

localize75.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (+ y x)) (cbrt (+ y x)))
0.6b
(cbrt (+ y x))
0.6b
(cbrt (+ y x))
0.6b
(cbrt (+ y x))

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
36×cbrt-prod
35×*-un-lft-identity
23×add-sqr-sqrt
18×cbrt-div
15×add-cube-cbrt
11×pow1
flip3-+ pow1/3 swap-sqr flip-+ distribute-lft-out
associate-*r* associate-*l*
add-exp-log
expm1-log1p-u frac-times add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down associate-*l/ associate-*r/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 103
Calls
4 calls:
58.0ms
(* (cbrt (+ y x)) (cbrt (+ y x)))
14.0ms
(cbrt (+ y x))
6.0ms
(cbrt (+ y x))
6.0ms
(cbrt (+ y x))

series704.0ms

Counts
4 → 12
Calls
4 calls:
193.0ms
(* (cbrt (+ y x)) (cbrt (+ y x)))
165.0ms
(cbrt (+ y x))
166.0ms
(cbrt (+ y x))
181.0ms
(cbrt (+ y x))

simplify1.2s

Counts
115 → 115
Iterations
IterNodes
done5001
21129
1287
0120

prune1.1s

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.1b

localize64.0ms

Local error

Found 4 expressions with local error:

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

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×*-un-lft-identity add-cube-cbrt
11×pow1
pow1/3
swap-sqr associate-*r* associate-*l* add-exp-log
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 81
Calls
4 calls:
9.0ms
(* (cbrt (fma (log t) (- a 0.5) (+ (log (+ y x)) (- (log z) t)))) (cbrt (fma (log t) (- a 0.5) (+ (log (+ y x)) (- (log z) t)))))
1.0ms
(cbrt (fma (log t) (- a 0.5) (+ (log (+ y x)) (- (log z) t))))
1.0ms
(cbrt (fma (log t) (- a 0.5) (+ (log (+ y x)) (- (log z) t))))
1.0ms
(cbrt (fma (log t) (- a 0.5) (+ (log (+ y x)) (- (log z) t))))

series3.8s

Counts
4 → 12
Calls
4 calls:
1.1s
(* (cbrt (fma (log t) (- a 0.5) (+ (log (+ y x)) (- (log z) t)))) (cbrt (fma (log t) (- a 0.5) (+ (log (+ y x)) (- (log z) t)))))
984.0ms
(cbrt (fma (log t) (- a 0.5) (+ (log (+ y x)) (- (log z) t))))
876.0ms
(cbrt (fma (log t) (- a 0.5) (+ (log (+ y x)) (- (log z) t))))
888.0ms
(cbrt (fma (log t) (- a 0.5) (+ (log (+ y x)) (- (log z) t))))

simplify3.5s

Counts
93 → 93
Iterations
IterNodes
done5000
24479
1966
0313

prune1.1s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.0b

regimes1.4s

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done18
118
015

end0.0ms

sample10.6s

Algorithm
intervals
Results
6.7s56219×body80nan
1.2s8037×body80valid