Details

Time bar (total: 20.3s)

sample38.0ms

Algorithm
intervals
Results
14.0ms277×body80valid

simplify3.6s

Counts
1 → 1
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
01011
12011
23610
35910
410410
517810
630210
735910
844610
971010
10127010
11359710
done500010

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.4b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.3b
(fma (/ (- z t) (- a t)) 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:
41.0ms
(/ (- z t) (- a t))
1.0ms
(fma (/ (- z t) (- a t)) y x)

series205.0ms

Counts
2 → 6
Calls
2 calls:
84.0ms
(/ (- z t) (- a t))
121.0ms
(fma (/ (- z t) (- a t)) y x)

simplify2.4s

Counts
70 → 70
Iterations

Useful iterations: 3 (730.0ms)

IterNodesCost
0113884
1264856
2826810
34312808
done5000808

prune298.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.8b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* (- z t) (/ 1 (- a t)))
1.3b
(fma (* (- z t) (/ 1 (- a t))) y x)

rewrite122.0ms

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:
28.0ms
(/ 1 (- a t))
85.0ms
(* (- z t) (/ 1 (- a t)))
0.0ms
(fma (* (- z t) (/ 1 (- a t))) y x)

series312.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(/ 1 (- a t))
82.0ms
(* (- z t) (/ 1 (- a t)))
158.0ms
(fma (* (- z t) (/ 1 (- a t))) y x)

simplify5.4s

Counts
114 → 114
Iterations

Useful iterations: 2 (585.0ms)

IterNodesCost
01491251
13561101
22788924
done5001924

prune358.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.8b

localize35.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- a t))
0.6b
(cbrt (- a t))
0.6b
(cbrt (- a t))
1.3b
(fma (* (- z t) (/ (/ 1 (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t)))) y x)

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
15×cbrt-prod
13×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
cbrt-div
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
flip3-- pow1/3 flip-- distribute-lft-out-- difference-of-squares
fma-udef
Counts
4 → 61
Calls
4 calls:
8.0ms
(cbrt (- a t))
8.0ms
(cbrt (- a t))
8.0ms
(cbrt (- a t))
1.0ms
(fma (* (- z t) (/ (/ 1 (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t)))) y x)

series778.0ms

Counts
4 → 12
Calls
4 calls:
238.0ms
(cbrt (- a t))
210.0ms
(cbrt (- a t))
202.0ms
(cbrt (- a t))
127.0ms
(fma (* (- z t) (/ (/ 1 (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t)))) y x)

simplify1.1s

Counts
73 → 73
Iterations

Useful iterations: done (1.1s)

IterNodesCost
094917
1194899
2487741
31742650
done5000614

prune392.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (* (/ y (- a t)) (- z t)) x)
9.6b
(* (/ y (- a t)) (- z t))

rewrite93.0ms

Algorithm
rewrite-expression-head
Rules
49×add-sqr-sqrt
44×*-un-lft-identity
36×add-cube-cbrt prod-diff
22×distribute-rgt-in associate-+l+ distribute-lft-in
21×associate-*l*
16×times-frac
add-exp-log add-cbrt-cube
associate-*r*
pow1 sub-neg distribute-lft-out-- add-log-exp difference-of-squares
flip3-- flip--
expm1-log1p-u frac-times associate-*r/ prod-exp associate-/r/ cbrt-unprod log1p-expm1-u unswap-sqr
cbrt-undiv +-commutative fma-def flip3-+ div-exp pow-prod-down associate-*l/ sum-log *-commutative flip-+ div-inv
Counts
2 → 106
Calls
2 calls:
27.0ms
(+ (* (/ y (- a t)) (- z t)) x)
59.0ms
(* (/ y (- a t)) (- z t))

series584.0ms

Counts
2 → 6
Calls
2 calls:
300.0ms
(+ (* (/ y (- a t)) (- z t)) x)
284.0ms
(* (/ y (- a t)) (- z t))

simplify2.4s

Counts
112 → 112
Iterations

Useful iterations: done (2.4s)

IterNodesCost
01941953
15431630
228341434
done50011408

prune417.0ms

Pruning

6 alts after pruning (2 fresh and 4 done)

Merged error: 0b

regimes237.0ms

Accuracy

69.8% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 1.2b

bsearch136.0ms

Steps
ItersRangePoint
10
1.4095459073976581e+23
5.444123002521343e+37
1.62944616184125e+23
9
-8.622572584051833e-42
-7.469085093481095e-51
-1.7078071045322135e-46

simplify5.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01839
12330
done2330

end0.0ms

sample1.3s

Algorithm
intervals
Results
539.0ms8710×body80valid
0.0msbody640valid
0.0msbody160valid