Details

Time bar (total: 17.3s)

sample32.0ms

Algorithm
intervals
Results
13.0ms272×body80valid

simplify3.8s

Counts
1 → 1
Iterations

Useful iterations: 2 (7.0ms)

IterNodesCost
01417
12416
24315
37515
411215
514815
618115
725715
841915
972815
10152515
11409615
done500015

prune9.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 21.7b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma z (- b y) y)
0.0b
(* z (- t a))
0.3b
(fma x y (* z (- t a)))
21.0b
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
30×add-sqr-sqrt
28×*-un-lft-identity
26×add-cube-cbrt
18×prod-diff
11×distribute-rgt-in distribute-lft-in
times-frac
add-exp-log add-cbrt-cube
pow1
associate-*r*
expm1-log1p-u log1p-expm1-u add-log-exp
associate-*l* associate-/r* associate-/l*
sub-neg associate-*r/ fma-udef
cbrt-undiv flip3-- frac-2neg div-exp pow-prod-down prod-exp clear-num *-commutative flip-- cbrt-unprod div-inv distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 95
Calls
4 calls:
0.0ms
(fma z (- b y) y)
32.0ms
(* z (- t a))
0.0ms
(fma x y (* z (- t a)))
6.0ms
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

series522.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(fma z (- b y) y)
40.0ms
(* z (- t a))
61.0ms
(fma x y (* z (- t a)))
391.0ms
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

simplify1.7s

Counts
107 → 107
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01711678
13091491
26991283
328171241
done50001187

prune344.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 21.1b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* (- b y) z) y)
0.0b
(* z (- t a))
0.3b
(fma x y (* z (- t a)))
21.0b
(/ (fma x y (* z (- t a))) (+ (* (- b y) z) y))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
30×add-sqr-sqrt
28×*-un-lft-identity
26×add-cube-cbrt
18×prod-diff
11×distribute-rgt-in distribute-lft-in
times-frac
add-exp-log add-cbrt-cube
pow1 add-log-exp
associate-*r*
expm1-log1p-u log1p-expm1-u
associate-*l* associate-/r* associate-/l*
sub-neg flip3-+ associate-*r/ associate-/r/ flip-+
cbrt-undiv +-commutative flip3-- fma-def frac-2neg div-exp pow-prod-down prod-exp clear-num sum-log *-commutative flip-- cbrt-unprod fma-udef div-inv distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 101
Calls
4 calls:
16.0ms
(+ (* (- b y) z) y)
25.0ms
(* z (- t a))
0.0ms
(fma x y (* z (- t a)))
27.0ms
(/ (fma x y (* z (- t a))) (+ (* (- b y) z) y))

series527.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(+ (* (- b y) z) y)
41.0ms
(* z (- t a))
57.0ms
(fma x y (* z (- t a)))
393.0ms
(/ (fma x y (* z (- t a))) (+ (* (- b y) z) y))

simplify1.8s

Counts
113 → 113
Iterations

Useful iterations: 3 (740.0ms)

IterNodesCost
01861837
13771588
29331380
337341334
done50001334

prune343.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 21.1b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (- t a))
0.3b
(fma x y (* z (- t a)))
0.7b
(/ 1 (/ (fma z (- b y) y) (fma x y (* z (- t a)))))
20.5b
(/ (fma z (- b y) y) (fma x y (* z (- t a))))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
84×times-frac
72×add-sqr-sqrt
70×*-un-lft-identity
68×add-cube-cbrt
19×add-exp-log
18×prod-diff
16×associate-/r*
13×add-cbrt-cube
11×distribute-rgt-in distribute-lft-in
div-exp
pow1
div-inv associate-/l*
associate-*r*
cbrt-undiv expm1-log1p-u log1p-expm1-u add-log-exp
associate-*l*
sub-neg rec-exp frac-2neg 1-exp associate-*r/ clear-num
flip3-- pow-flip pow-prod-down prod-exp associate-/r/ *-commutative flip-- cbrt-unprod fma-udef distribute-lft-out-- inv-pow difference-of-squares unswap-sqr
Counts
4 → 163
Calls
4 calls:
26.0ms
(* z (- t a))
0.0ms
(fma x y (* z (- t a)))
11.0ms
(/ 1 (/ (fma z (- b y) y) (fma x y (* z (- t a)))))
6.0ms
(/ (fma z (- b y) y) (fma x y (* z (- t a))))

series771.0ms

Counts
4 → 12
Calls
4 calls:
41.0ms
(* z (- t a))
61.0ms
(fma x y (* z (- t a)))
540.0ms
(/ 1 (/ (fma z (- b y) y) (fma x y (* z (- t a)))))
130.0ms
(/ (fma z (- b y) y) (fma x y (* z (- t a))))

simplify2.3s

Counts
175 → 175
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
02643896
15093507
210783118
340573058
done50003058

prune489.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 11.5b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (- t a))
0.3b
(fma x y (* z (- t a)))
0.7b
(/ 1 (fma z (- b y) y))
20.8b
(* (fma x y (* z (- t a))) (/ 1 (fma z (- b y) y)))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
45×add-sqr-sqrt
37×*-un-lft-identity
34×add-cube-cbrt
20×times-frac
19×add-exp-log
18×associate-*r* prod-diff
13×add-cbrt-cube
11×distribute-rgt-in distribute-lft-in
pow1
associate-*l*
prod-exp
expm1-log1p-u div-exp log1p-expm1-u add-log-exp unswap-sqr
associate-*r/ associate-/r* cbrt-unprod associate-/l*
cbrt-undiv sub-neg rec-exp 1-exp pow-prod-down *-commutative div-inv
flip3-- pow-flip frac-2neg clear-num un-div-inv flip-- fma-udef distribute-lft-out-- inv-pow difference-of-squares
Counts
4 → 127
Calls
4 calls:
29.0ms
(* z (- t a))
0.0ms
(fma x y (* z (- t a)))
6.0ms
(/ 1 (fma z (- b y) y))
17.0ms
(* (fma x y (* z (- t a))) (/ 1 (fma z (- b y) y)))

series552.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(* z (- t a))
56.0ms
(fma x y (* z (- t a)))
65.0ms
(/ 1 (fma z (- b y) y))
387.0ms
(* (fma x y (* z (- t a))) (/ 1 (fma z (- b y) y)))

simplify2.0s

Counts
139 → 139
Iterations

Useful iterations: 3 (886.0ms)

IterNodesCost
02002133
13871818
29151550
338161508
done50001508

prune332.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 11.5b

regimes534.0ms

Accuracy

27.3% (8.8b remaining)

Error of 19.7b against oracle of 10.8b and baseline of 23.0b

bsearch105.0ms

Steps
ItersRangePoint
10
3.414647358186085e+54
3.0458708391958014e+68
2.899597943526477e+68
8
-1.1193189535123491e+195
-3.5345243462981693e+192
-1.7510981625801499e+193

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02339
12931
done2931

end0.0ms

sample804.0ms

Algorithm
intervals
Results
354.0ms8420×body80valid