Details

Time bar (total: 4.1s)

sample29.0ms

Algorithm
intervals
Results
8.0ms252×body80valid
2.0ms14×body640valid
1.0msbody1280valid
1.0ms14×body320valid
1.0ms10×body160valid

simplify92.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (7.0ms)

IterNodesCost
0206
1456
21165
33245
48615
519125
645815
750015
done50015

prune9.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 11.0b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y z) (- a z))
3.5b
(fma (/ (- y z) (- a z)) (- t x) x)

rewrite30.0ms

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:
24.0ms
(/ (- y z) (- a z))
0.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

series184.0ms

Counts
2 → 6
Calls
2 calls:
52.0ms
(/ (- y z) (- a z))
132.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

simplify70.0ms

Counts
70 → 70
Iterations

Useful iterations: 3 (64.0ms)

IterNodesCost
0265450
1729425
22562423
35002421
done5002421

prune220.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.0b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a z))
0.2b
(* (- y z) (/ 1 (- a z)))
5.2b
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

rewrite63.0ms

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:
12.0ms
(/ 1 (- a z))
47.0ms
(* (- y z) (/ 1 (- a z)))
0.0ms
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

series227.0ms

Counts
3 → 9
Calls
3 calls:
38.0ms
(/ 1 (- a z))
58.0ms
(* (- y z) (/ 1 (- a z)))
131.0ms
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

simplify49.0ms

Counts
114 → 114
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0340602
11472525
25002481
done5002481

prune290.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.0b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y z) (- a z))
3.5b
(fma (* 1 (/ (- y z) (- a z))) (- t x) x)

rewrite27.0ms

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:
24.0ms
(/ (- y z) (- a z))
0.0ms
(fma (* 1 (/ (- y z) (- a z))) (- t x) x)

series191.0ms

Counts
2 → 6
Calls
2 calls:
53.0ms
(/ (- y z) (- a z))
137.0ms
(fma (* 1 (/ (- y z) (- a z))) (- t x) x)

simplify74.0ms

Counts
70 → 70
Iterations

Useful iterations: 3 (68.0ms)

IterNodesCost
0269462
1794434
22997432
35001430
done5001430

prune217.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 4.0b

localize16.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- a z))
0.5b
(cbrt (- a z))
0.5b
(cbrt (- a z))
9.1b
(fma (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (cbrt 1) (cbrt (- a z)))) (- t x) x)

rewrite14.0ms

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:
4.0ms
(cbrt (- a z))
4.0ms
(cbrt (- a z))
4.0ms
(cbrt (- a z))
0.0ms
(fma (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (cbrt 1) (cbrt (- a z)))) (- t x) x)

series648.0ms

Counts
4 → 12
Calls
4 calls:
175.0ms
(cbrt (- a z))
166.0ms
(cbrt (- a z))
171.0ms
(cbrt (- a z))
135.0ms
(fma (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (cbrt 1) (cbrt (- a z)))) (- t x) x)

simplify59.0ms

Counts
73 → 73
Iterations

Useful iterations: 3 (52.0ms)

IterNodesCost
0203545
1485501
21615490
35001467
done5001467

prune329.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 4.0b

regimes383.0ms

Accuracy

24.7% (6.2b remaining)

Error of 9.9b against oracle of 3.6b and baseline of 11.9b

bsearch85.0ms

Steps
ItersRangePoint
8
6.811517702932233e+229
3.7457077801543817e+233
3.6212987406493826e+230
7
-6.971737378085331e+159
-1.6647426423138952e+158
-2.6532714166953784e+159

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02810
13010
23010
done3010

end0.0ms

sample792.0ms

Algorithm
intervals
Results
249.0ms7817×body80valid
57.0ms470×body640valid
39.0ms286×body1280valid
36.0ms432×body320valid
15.0ms275×body160valid
2.0ms15×body2560valid