Details

Time bar (total: 27.2s)

sample50.0ms

Algorithm
intervals
Results
13.0ms248×body80valid
9.0ms15×body640valid
2.0ms14×body320valid
2.0msbody1280valid
1.0msbody160valid
0.0msbody2560valid

simplify9.7s

Counts
1 → 1
Iterations

Useful iterations: 3 (19.0ms)

IterNodesCost
01113
12013
24513
311612
432212
576612
6155512
7287312
8476112
done500012

prune16.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 12.0b

localize16.0ms

Local error

Found 2 expressions with local error:

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

rewrite33.0ms

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:
28.0ms
(/ (- y z) (- a z))
1.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

series363.0ms

Counts
2 → 6
Calls
2 calls:
108.0ms
(/ (- y z) (- a z))
254.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

simplify1.9s

Counts
70 → 70
Iterations

Useful iterations: done (1.9s)

IterNodesCost
0116918
1266890
2653838
31707834
done5001830

prune363.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 2.6b

localize23.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- y z) (- a z))
2.4b
(* (/ (- y z) (- a z)) (- t x))
2.5b
(+ (* (/ (- y z) (- a z)) (- t x)) x)

rewrite220.0ms

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:
34.0ms
(/ (- y z) (- a z))
119.0ms
(* (/ (- y z) (- a z)) (- t x))
58.0ms
(+ (* (/ (- y z) (- a z)) (- t x)) x)

series874.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(/ (- y z) (- a z))
483.0ms
(* (/ (- y z) (- a z)) (- t x))
318.0ms
(+ (* (/ (- y z) (- a z)) (- t x)) x)

simplify1.6s

Counts
179 → 179
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02553085
16652718
219552494
done50012468

prune736.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 2.3b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ y (- a z))
0.0b
(/ z (- a z))
2.4b
(* (- (/ y (- a z)) (/ z (- a z))) (- t x))
2.5b
(+ (* (- (/ y (- a z)) (/ z (- a z))) (- t x)) x)

rewrite637.0ms

Algorithm
rewrite-expression-head
Rules
96×*-un-lft-identity
88×add-sqr-sqrt
52×add-cube-cbrt
48×times-frac
36×prod-diff
22×distribute-rgt-in associate-+l+ distribute-lft-in
21×distribute-lft-out--
18×associate-*l*
15×difference-of-squares
12×flip3-- flip--
10×add-exp-log associate-/r* add-cbrt-cube
frac-times associate-/r/
pow1 associate-/l* add-log-exp
associate-*r*
expm1-log1p-u sub-neg associate-*l/ log1p-expm1-u div-inv
distribute-rgt-out-- frac-sub sub-div
cbrt-undiv frac-2neg associate-*r/ div-exp clear-num
+-commutative fma-def flip3-+ pow-prod-down prod-exp sum-log *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 187
Calls
4 calls:
12.0ms
(/ y (- a z))
15.0ms
(/ z (- a z))
395.0ms
(* (- (/ y (- a z)) (/ z (- a z))) (- t x))
199.0ms
(+ (* (- (/ y (- a z)) (/ z (- a z))) (- t x)) x)

series862.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(/ y (- a z))
97.0ms
(/ z (- a z))
390.0ms
(* (- (/ y (- a z)) (/ z (- a z))) (- t x))
324.0ms
(+ (* (- (/ y (- a z)) (/ z (- a z))) (- t x)) x)

simplify1.7s

Counts
199 → 199
Iterations

Useful iterations: done (1.7s)

IterNodesCost
03033818
16863397
221273179
done50003153

prune988.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 2.3b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ z (- a z))
0.0b
(/ z (- a z))
1.8b
(* (- (/ y (- a z)) (/ z (- a z))) t)
4.2b
(fma (- x) (- (/ y (- a z)) (/ z (- a z))) x)

rewrite451.0ms

Algorithm
rewrite-expression-head
Rules
70×*-un-lft-identity
62×add-sqr-sqrt
48×times-frac
28×add-cube-cbrt
20×distribute-lft-out--
18×associate-*l*
14×difference-of-squares
10×add-exp-log associate-/r* add-cbrt-cube
associate-/r/
pow1 associate-/l*
flip3-- flip--
expm1-log1p-u associate-*l/ log1p-expm1-u div-inv add-log-exp
distribute-rgt-out-- associate-*r*
cbrt-undiv frac-2neg div-exp clear-num
pow-prod-down prod-exp *-commutative frac-sub cbrt-unprod fma-udef sub-div unswap-sqr
Counts
4 → 127
Calls
4 calls:
15.0ms
(/ z (- a z))
12.0ms
(/ z (- a z))
413.0ms
(* (- (/ y (- a z)) (/ z (- a z))) t)
0.0ms
(fma (- x) (- (/ y (- a z)) (/ z (- a z))) x)

series556.0ms

Counts
4 → 12
Calls
4 calls:
75.0ms
(/ z (- a z))
68.0ms
(/ z (- a z))
270.0ms
(* (- (/ y (- a z)) (/ z (- a z))) t)
143.0ms
(fma (- x) (- (/ y (- a z)) (/ z (- a z))) x)

simplify2.8s

Counts
139 → 139
Iterations

Useful iterations: 2 (175.0ms)

IterNodesCost
01611651
13201590
28561488
325701488
done50021488

prune749.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 2.3b

regimes497.0ms

Accuracy

20.4% (6.1b remaining)

Error of 9.5b against oracle of 3.4b and baseline of 11.0b

bsearch235.0ms

Steps
ItersRangePoint
10
2.886776670059465e-194
1.3374241406868578e-181
5.347427363587528e-182
8
-3.8032487866059233e-25
-6.0695810582136045e-28
-6.14323213192593e-28

simplify5.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
030101
13960
done3960

end0.0ms

sample1.8s

Algorithm
intervals
Results
714.0ms7718×body80valid
200.0ms494×body640valid
112.0ms399×body320valid
85.0ms287×body1280valid
34.0ms270×body160valid
8.0ms23×body2560valid