Details

Time bar (total: 19.0s)

sample37.0ms

Algorithm
intervals
Results
15.0ms273×body80valid
0.0msbody160valid

simplify3.3s

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01011
12111
23710
36010
410510
518010
630410
736010
844810
971310
10124110
11353710
done500010

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.8b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
0.8b
(fma (/ (- z t) (- z a)) y x)

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt *-un-lft-identity
25×times-frac
14×add-cube-cbrt
12×distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv frac-2neg div-sub div-exp clear-num fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
43.0ms
(/ (- z t) (- z a))
1.0ms
(fma (/ (- z t) (- z a)) y x)

series198.0ms

Counts
2 → 6
Calls
2 calls:
73.0ms
(/ (- z t) (- z a))
125.0ms
(fma (/ (- z t) (- z a)) y x)

simplify2.6s

Counts
70 → 70
Iterations

Useful iterations: 3 (805.0ms)

IterNodesCost
0113884
1266856
2824810
34498808
done5000808

prune240.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.5b

localize24.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (/ z (- z a)) (/ t (- z a)))
0.0b
(/ z (- z a))
0.8b
(fma (- (/ z (- z a)) (/ t (- z a))) y x)

rewrite297.0ms

Algorithm
rewrite-expression-head
Rules
694×*-un-lft-identity
684×add-sqr-sqrt
678×times-frac
441×prod-diff
402×add-cube-cbrt
145×distribute-lft-out--
139×difference-of-squares
92×associate-/r/
47×flip3-- flip--
46×div-inv
21×fma-neg
add-exp-log associate-/r* add-cbrt-cube add-log-exp
pow1 expm1-log1p-u distribute-rgt-out-- log1p-expm1-u associate-/l*
cbrt-undiv sub-neg frac-2neg diff-log div-exp clear-num frac-sub fma-udef sub-div
Counts
3 → 542
Calls
3 calls:
171.0ms
(- (/ z (- z a)) (/ t (- z a)))
32.0ms
(/ z (- z a))
1.0ms
(fma (- (/ z (- z a)) (/ t (- z a))) y x)

series416.0ms

Counts
3 → 9
Calls
3 calls:
186.0ms
(- (/ z (- z a)) (/ t (- z a)))
79.0ms
(/ z (- z a))
152.0ms
(fma (- (/ z (- z a)) (/ t (- z a))) y x)

simplify1.8s

Counts
551 → 551
Iterations

Useful iterations: 2 (602.0ms)

IterNodesCost
055328010
1123125201
2351419763
done500019763

prune2.1s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.5b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- z a))
0.3b
(* (/ 1 (- z a)) (- z t))
0.8b
(fma (* (/ 1 (- z a)) (- z t)) y x)

rewrite96.0ms

Algorithm
rewrite-expression-head
Rules
58×add-sqr-sqrt
52×*-un-lft-identity
35×add-cube-cbrt
32×times-frac
21×associate-*l*
18×prod-diff
16×add-exp-log
11×distribute-rgt-in distribute-lft-in
10×add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1
associate-*r* associate-/r*
flip3-- div-exp prod-exp associate-/r/ flip--
expm1-log1p-u log1p-expm1-u associate-/l* add-log-exp unswap-sqr
cbrt-undiv frac-times sub-neg rec-exp 1-exp associate-*r/ cbrt-unprod div-inv
pow-flip frac-2neg pow-prod-down associate-*l/ clear-num *-commutative fma-udef inv-pow
Counts
3 → 126
Calls
3 calls:
17.0ms
(/ 1 (- z a))
68.0ms
(* (/ 1 (- z a)) (- z t))
0.0ms
(fma (* (/ 1 (- z a)) (- z t)) y x)

series419.0ms

Counts
3 → 9
Calls
3 calls:
62.0ms
(/ 1 (- z a))
185.0ms
(* (/ 1 (- z a)) (- z t))
171.0ms
(fma (* (/ 1 (- z a)) (- z t)) y x)

simplify2.4s

Counts
135 → 135
Iterations

Useful iterations: done (2.4s)

IterNodesCost
02071927
15541662
233791286
done50011258

prune403.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.5b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (+ x y) (/ (* t y) z))
6.6b
(/ (* t y) z)

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
41×*-un-lft-identity
28×prod-diff
22×add-sqr-sqrt
20×add-cube-cbrt
15×times-frac
distribute-lft-out
add-exp-log add-cbrt-cube add-log-exp
div-inv
fma-neg
associate-/r*
pow1 cbrt-undiv expm1-log1p-u diff-log div-exp frac-sub log1p-expm1-u distribute-lft-out--
sub-neg flip3-- frac-2neg flip3-+ prod-exp associate--l+ clear-num sum-log flip-- cbrt-unprod flip-+ associate-/l* difference-of-squares
Counts
2 → 76
Calls
2 calls:
61.0ms
(- (+ x y) (/ (* t y) z))
18.0ms
(/ (* t y) z)

series77.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(- (+ x y) (/ (* t y) z))
32.0ms
(/ (* t y) z)

simplify2.5s

Counts
82 → 82
Iterations

Useful iterations: done (2.5s)

IterNodesCost
01501768
14011453
220121163
done5000976

prune215.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.5b

regimes337.0ms

Accuracy

0% (0.6b remaining)

Error of 1.2b against oracle of 0.6b and baseline of 1.2b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01014
done1014

end0.0ms

sample1.3s

Algorithm
intervals
Results
552.0ms8757×body80valid
0.0msbody640valid
0.0msbody320valid
0.0msbody160valid