Details

Time bar (total: 25.7s)

sample59.0ms

Algorithm
intervals
Results
17.0ms244×body80valid
5.0ms18×body640valid
3.0ms11×body1280valid
2.0msbody320valid
1.0ms11×body160valid

simplify3.6s

Counts
1 → 1
Iterations

Useful iterations: 3 (26.0ms)

IterNodesCost
01113
12013
24513
311612
432612
5101412
6406112
done500012

prune25.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 11.5b

localize28.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y z) (- a z))
3.8b
(fma (/ (- y z) (- a z)) (- t x) x)

rewrite63.0ms

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:
57.0ms
(/ (- y z) (- a z))
1.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

series310.0ms

Counts
2 → 6
Calls
2 calls:
86.0ms
(/ (- y z) (- a z))
223.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

simplify3.3s

Counts
70 → 70
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
0116918
1271890
2855840
34496834
done5000834

prune640.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.8b

localize31.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- y z) (- a z))
0.9b
(* (/ (- y z) (- a z)) (- t x))
3.3b
(+ (* (/ (- y z) (- a z)) (- t x)) x)

rewrite245.0ms

Algorithm
rewrite-expression-head
Rules
102×add-sqr-sqrt
97×*-un-lft-identity
51×add-cube-cbrt times-frac
36×prod-diff
31×associate-*l*
23×distribute-lft-out-- difference-of-squares
22×distribute-rgt-in associate-+l+ distribute-lft-in
10×add-exp-log add-cbrt-cube
pow1 flip3-- associate-*r* associate-/r* flip-- associate-/l* add-log-exp
sub-neg associate-/r/
expm1-log1p-u log1p-expm1-u
cbrt-undiv frac-times associate-*r/ div-exp prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative fma-def frac-2neg flip3-+ div-sub pow-prod-down associate-*l/ clear-num sum-log *-commutative flip-+
Counts
3 → 170
Calls
3 calls:
46.0ms
(/ (- y z) (- a z))
126.0ms
(* (/ (- y z) (- a z)) (- t x))
58.0ms
(+ (* (/ (- y z) (- a z)) (- t x)) x)

series987.0ms

Counts
3 → 9
Calls
3 calls:
99.0ms
(/ (- y z) (- a z))
554.0ms
(* (/ (- y z) (- a z)) (- t x))
334.0ms
(+ (* (/ (- y z) (- a z)) (- t x)) x)

simplify2.5s

Counts
179 → 179
Iterations

Useful iterations: done (2.4s)

IterNodesCost
02553085
17162731
232222494
done50002468

prune1.3s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 3.8b

localize37.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- y z) (- a z))
0.0b
(/ (- y z) (- a z))
0.8b
(* t (/ (- y z) (- a z)))
3.5b
(fma (/ (- y z) (- a z)) (- x) x)

rewrite194.0ms

Algorithm
rewrite-expression-head
Rules
113×add-sqr-sqrt
108×*-un-lft-identity
76×times-frac
40×add-cube-cbrt
34×distribute-lft-out-- difference-of-squares
31×associate-*r*
13×add-exp-log add-cbrt-cube
10×associate-/r* associate-/l*
pow1 associate-/r/
flip3-- flip--
expm1-log1p-u log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv div-exp associate-*l* div-inv
frac-2neg div-sub prod-exp clear-num cbrt-unprod unswap-sqr
associate-*r/ pow-prod-down *-commutative fma-udef
Counts
4 → 170
Calls
4 calls:
46.0ms
(/ (- y z) (- a z))
43.0ms
(/ (- y z) (- a z))
91.0ms
(* t (/ (- y z) (- a z)))
1.0ms
(fma (/ (- y z) (- a z)) (- x) x)

series496.0ms

Counts
4 → 12
Calls
4 calls:
96.0ms
(/ (- y z) (- a z))
84.0ms
(/ (- y z) (- a z))
129.0ms
(* t (/ (- y z) (- a z)))
186.0ms
(fma (/ (- y z) (- a z)) (- x) x)

simplify1.3s

Counts
182 → 182
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01572244
14062155
215972021
done50002015

prune1.5s

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 3.8b

localize47.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- y z) (- a z))
0.1b
(/ 1 (/ (- a z) (- y z)))
0.8b
(* t (/ (- y z) (- a z)))
3.5b
(fma (/ 1 (/ (- a z) (- y z))) (- x) x)

rewrite240.0ms

Algorithm
rewrite-expression-head
Rules
244×times-frac
233×add-sqr-sqrt
228×*-un-lft-identity
104×add-cube-cbrt
62×distribute-lft-out-- difference-of-squares
36×associate-/r*
31×associate-*r*
22×add-exp-log
16×add-cbrt-cube
13×associate-/r/
div-exp
associate-/l*
pow1 flip3-- flip-- div-inv
cbrt-undiv
expm1-log1p-u log1p-expm1-u add-log-exp
associate-*l*
rec-exp frac-2neg 1-exp prod-exp clear-num cbrt-unprod associate-/l/ unswap-sqr
pow-flip div-sub associate-*r/ pow-prod-down *-commutative fma-udef inv-pow
Counts
4 → 266
Calls
4 calls:
48.0ms
(/ (- y z) (- a z))
58.0ms
(/ 1 (/ (- a z) (- y z)))
102.0ms
(* t (/ (- y z) (- a z)))
1.0ms
(fma (/ 1 (/ (- a z) (- y z))) (- x) x)

series692.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(/ (- y z) (- a z))
263.0ms
(/ 1 (/ (- a z) (- y z)))
130.0ms
(* t (/ (- y z) (- a z)))
208.0ms
(fma (/ 1 (/ (- a z) (- y z))) (- x) x)

simplify3.5s

Counts
278 → 278
Iterations

Useful iterations: done (3.5s)

IterNodesCost
03504388
19193843
247073612
done50013602

prune1.4s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.8b

regimes899.0ms

Accuracy

6.7% (4.1b remaining)

Error of 7.6b against oracle of 3.5b and baseline of 7.9b

bsearch233.0ms

Steps
ItersRangePoint
9
1.363931741773715e-218
8.197993687946751e-213
1.3751750426910988e-213
10
-5.4135962025315565e-166
-5.143081329042359e-179
-9.207084913440813e-179

simplify7.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
02569
13445
done3445

end0.0ms

sample2.1s

Algorithm
intervals
Results
820.0ms7718×body80valid
174.0ms499×body640valid
140.0ms286×body1280valid
89.0ms292×body160valid
85.0ms395×body320valid
7.0ms16×body2560valid