Details

Time bar (total: 14.2s)

sample105.0ms

Algorithm
intervals
Results
29.0ms706×body80nan
10.0ms36×body640valid
8.0ms166×body80valid
7.0ms13×body1280valid
5.0ms27×body320valid
2.0ms16×body160valid

simplify241.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01213
12212
23812
35212
46012
57712
610512
715412
819812
922112
1023912
1124012
done24012

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.6b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (log (- 1.0 y)))
0.0b
(- (fma x (log y) (* z (log (- 1.0 y)))) t)
0.3b
(fma x (log y) (* z (log (- 1.0 y))))
6.2b
(log (- 1.0 y))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
24×*-un-lft-identity
16×add-cube-cbrt
15×log-prod
prod-diff
pow1
add-exp-log
add-cbrt-cube add-log-exp
distribute-rgt-in distribute-lft-in
expm1-log1p-u associate-*r* log1p-expm1-u distribute-lft-out-- difference-of-squares
fma-neg associate-*l*
log-div flip3-- log-pow flip-- fma-udef
sub-neg diff-log rem-log-exp pow-prod-down prod-exp associate--l+ *-commutative cbrt-unprod unswap-sqr
Counts
4 → 88
Calls
4 calls:
15.0ms
(* z (log (- 1.0 y)))
7.0ms
(- (fma x (log y) (* z (log (- 1.0 y)))) t)
0.0ms
(fma x (log y) (* z (log (- 1.0 y))))
6.0ms
(log (- 1.0 y))

series284.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(* z (log (- 1.0 y)))
91.0ms
(- (fma x (log y) (* z (log (- 1.0 y)))) t)
79.0ms
(fma x (log y) (* z (log (- 1.0 y))))
45.0ms
(log (- 1.0 y))

simplify2.2s

Counts
100 → 100
Iterations

Useful iterations: done (2.2s)

IterNodesCost
02041528
14581378
210721218
328381112
done50001079

prune314.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.1b

localize18.0ms

Local error

Found 3 expressions with local error:

0.0b
(* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
0.0b
(- (fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
0.2b
(fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
33×*-un-lft-identity prod-diff
28×add-cube-cbrt
17×distribute-rgt-in distribute-lft-in
12×pow1
associate--l+ log-pow
log-prod associate-*r*
add-exp-log add-cbrt-cube add-log-exp
expm1-log1p-u sub-neg fma-neg associate-*l* log1p-expm1-u distribute-lft-out--
flip3-- associate-*r/ flip-- fma-udef difference-of-squares
diff-log pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
3 → 98
Calls
3 calls:
32.0ms
(* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
7.0ms
(- (fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
0.0ms
(fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))

series434.0ms

Counts
3 → 9
Calls
3 calls:
106.0ms
(* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
196.0ms
(- (fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
133.0ms
(fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))

simplify1.8s

Counts
107 → 107
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02024584
13873431
29012796
338602213
done50002206

prune340.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.1b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (fma x (log y) (* z (- (log 1.0) (* 1.0 y)))) t)
0.2b
(fma x (log y) (* z (- (log 1.0) (* 1.0 y))))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt prod-diff
add-log-exp
fma-neg
pow1 add-exp-log expm1-log1p-u add-cbrt-cube fma-udef log1p-expm1-u
sub-neg flip3-- diff-log associate--l+ flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 39
Calls
2 calls:
7.0ms
(- (fma x (log y) (* z (- (log 1.0) (* 1.0 y)))) t)
0.0ms
(fma x (log y) (* z (- (log 1.0) (* 1.0 y))))

series213.0ms

Counts
2 → 6
Calls
2 calls:
126.0ms
(- (fma x (log y) (* z (- (log 1.0) (* 1.0 y)))) t)
86.0ms
(fma x (log y) (* z (- (log 1.0) (* 1.0 y))))

simplify1.2s

Counts
45 → 45
Iterations

Useful iterations: done (1.2s)

IterNodesCost
0931024
1202909
2436801
31451692
done5000665

prune154.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.1b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (pow (cbrt (fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))) 3) t)
0.2b
(fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
0.5b
(cbrt (fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2))))))))
0.7b
(pow (cbrt (fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))) 3)

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
59×add-sqr-sqrt
54×prod-diff
50×*-un-lft-identity
48×add-cube-cbrt
35×cbrt-prod
32×unpow-prod-down cube-prod
18×fma-neg
add-log-exp difference-of-squares sqr-pow
pow1 add-exp-log cube-mult unpow3
expm1-log1p-u add-cbrt-cube log1p-expm1-u
pow-unpow
pow-pow pow1/3
pow-to-exp sub-neg flip3-- diff-log pow-exp flip-- fma-udef distribute-lft-out-- rem-cube-cbrt
Counts
4 → 148
Calls
4 calls:
35.0ms
(- (pow (cbrt (fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))) 3) t)
0.0ms
(fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
1.0ms
(cbrt (fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2))))))))
4.0ms
(pow (cbrt (fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))) 3)

series1.8s

Counts
4 → 12
Calls
4 calls:
200.0ms
(- (pow (cbrt (fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))) 3) t)
141.0ms
(fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
881.0ms
(cbrt (fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2))))))))
626.0ms
(pow (cbrt (fma x (log y) (* z (- (log 1.0) (fma 1.0 y (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))) 3)

simplify793.0ms

Counts
160 → 160
Iterations

Useful iterations: done (786.0ms)

IterNodesCost
02066879
14704700
211153839
done50003819

prune458.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 0.1b

regimes337.0ms

Accuracy

0% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 0.3b

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01823
12023
done2023

end0.0ms

sample3.2s

Algorithm
intervals
Results
1.0s24249×body80nan
274.0ms5483×body80valid
263.0ms908×body640valid
246.0ms422×body1280valid
128.0ms738×body320valid
50.0ms486×body160valid