Details

Time bar (total: 23.5s)

sample51.0ms

Algorithm
intervals
Results
16.0ms252×body80valid
3.0ms14×body320valid
3.0msbody1280valid
2.0ms11×body640valid
1.0ms10×body160valid
0.0msbody2560valid

simplify2.9s

Counts
1 → 1
Iterations

Useful iterations: 3 (40.0ms)

IterNodesCost
01113
12013
24513
311612
432612
5100212
6398412
done500012

prune9.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 10.7b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
13.2b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite47.0ms

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:
44.0ms
(/ (- y x) (- a t))
1.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series268.0ms

Counts
2 → 6
Calls
2 calls:
101.0ms
(/ (- y x) (- a t))
167.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify2.9s

Counts
70 → 70
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
0118918
1275890
2851838
34610836
done5000836

prune350.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 7.0b

localize29.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* (- y x) (/ 1 (- a t)))
13.1b
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

rewrite91.0ms

Algorithm
rewrite-expression-head
Rules
46×add-sqr-sqrt
40×*-un-lft-identity
32×times-frac
23×add-cube-cbrt
21×associate-*r*
16×add-exp-log
10×add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1
associate-*l* 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 rec-exp 1-exp associate-*l/ cbrt-unprod div-inv
pow-flip frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv *-commutative fma-udef inv-pow
Counts
3 → 105
Calls
3 calls:
21.0ms
(/ 1 (- a t))
61.0ms
(* (- y x) (/ 1 (- a t)))
1.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

series273.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(/ 1 (- a t))
66.0ms
(* (- y x) (/ 1 (- a t)))
134.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

simplify6.7s

Counts
114 → 114
Iterations

Useful iterations: done (6.7s)

IterNodesCost
01551285
13741129
22964954
done5001952

prune499.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 7.0b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
13.2b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite48.0ms

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:
42.0ms
(/ (- y x) (- a t))
0.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series239.0ms

Counts
2 → 6
Calls
2 calls:
94.0ms
(/ (- y x) (- a t))
146.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify2.6s

Counts
70 → 70
Iterations

Useful iterations: 3 (953.0ms)

IterNodesCost
0118918
1275890
2851838
34610836
done5000836

prune319.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 7.0b

localize28.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- y x))
0.9b
(/ 1 (/ (- a t) (- y x)))
13.2b
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

rewrite141.0ms

Algorithm
rewrite-expression-head
Rules
218×times-frac
195×add-sqr-sqrt *-un-lft-identity
91×add-cube-cbrt
52×distribute-lft-out-- difference-of-squares
36×associate-/r*
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
div-exp associate-/l*
flip3-- flip-- div-inv
pow1 cbrt-undiv
expm1-log1p-u log1p-expm1-u add-log-exp
rec-exp frac-2neg 1-exp clear-num associate-/l/
pow-flip div-sub fma-udef inv-pow
Counts
3 → 214
Calls
3 calls:
49.0ms
(/ (- a t) (- y x))
66.0ms
(/ 1 (/ (- a t) (- y x)))
1.0ms
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

series653.0ms

Counts
3 → 9
Calls
3 calls:
99.0ms
(/ (- a t) (- y x))
351.0ms
(/ 1 (/ (- a t) (- y x)))
204.0ms
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

simplify1.9s

Counts
223 → 223
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02743778
17163266
233793035
done50013029

prune726.0ms

Pruning

12 alts after pruning (9 fresh and 3 done)

Merged error: 6.9b

regimes527.0ms

Accuracy

41.7% (4.7b remaining)

Error of 10.9b against oracle of 6.1b and baseline of 14.3b

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02371
12871
done2871

end0.0ms

sample2.1s

Algorithm
intervals
Results
1.1s7911×body80valid
162.0ms273×body1280valid
140.0ms451×body640valid
69.0ms366×body320valid
33.0ms251×body160valid
4.0ms11×body2560valid