Details

Time bar (total: 22.5s)

sample137.0ms

Algorithm
intervals
Results
57.0ms776×body80nan
12.0ms179×body80valid
12.0ms15×body1280valid
10.0ms27×body640valid
6.0ms25×body320valid
2.0ms12×body160valid

simplify278.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

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: 9.9b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(* z (log (- 1.0 y)))
0.3b
(fma x (log y) (* z (log (- 1.0 y))))
4.7b
(log (- 1.0 y))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
15×log-prod
14×*-un-lft-identity
add-cube-cbrt
pow1
add-exp-log
distribute-rgt-in distribute-lft-in add-cbrt-cube
associate-*r*
expm1-log1p-u associate-*l* log1p-expm1-u distribute-lft-out-- add-log-exp difference-of-squares
log-div log-pow
flip3-- rem-log-exp pow-prod-down prod-exp *-commutative flip-- cbrt-unprod fma-udef unswap-sqr
Counts
3 → 59
Calls
3 calls:
16.0ms
(* z (log (- 1.0 y)))
0.0ms
(fma x (log y) (* z (log (- 1.0 y))))
13.0ms
(log (- 1.0 y))

series238.0ms

Counts
3 → 9
Calls
3 calls:
80.0ms
(* z (log (- 1.0 y)))
105.0ms
(fma x (log y) (* z (log (- 1.0 y))))
53.0ms
(log (- 1.0 y))

simplify3.7s

Counts
68 → 68
Iterations

Useful iterations: done (3.7s)

IterNodesCost
0148786
1325751
2771672
31745655
44610646
done5000645

prune386.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.1b

localize23.0ms

Local error

Found 4 expressions with local error:

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

rewrite134.0ms

Algorithm
rewrite-expression-head
Rules
33×times-frac
32×add-sqr-sqrt
30×*-un-lft-identity
28×add-cube-cbrt
17×add-exp-log add-cbrt-cube
10×pow1 distribute-rgt-in distribute-lft-in
prod-diff
associate-*r* associate-/r*
log-prod associate-*l* associate--l+
cbrt-undiv div-exp div-inv
expm1-log1p-u associate-*r/ log1p-expm1-u add-log-exp
prod-exp cbrt-unprod associate-/l*
sub-neg pow-prod-down log-pow *-commutative unswap-sqr
flip3-- frac-2neg flip3-+ clear-num associate-/r/ flip-- flip-+ fma-udef distribute-lft-out
Counts
4 → 125
Calls
4 calls:
84.0ms
(* y (+ 1.0 (/ 1/2 (/ (* 1.0 1.0) y))))
33.0ms
(* z (- (log 1.0) (* y (+ 1.0 (/ 1/2 (/ (* 1.0 1.0) y))))))
13.0ms
(/ 1/2 (/ (* 1.0 1.0) y))
0.0ms
(fma x (log y) (* z (- (log 1.0) (* y (+ 1.0 (/ 1/2 (/ (* 1.0 1.0) y)))))))

series445.0ms

Counts
4 → 12
Calls
4 calls:
113.0ms
(* y (+ 1.0 (/ 1/2 (/ (* 1.0 1.0) y))))
143.0ms
(* z (- (log 1.0) (* y (+ 1.0 (/ 1/2 (/ (* 1.0 1.0) y))))))
23.0ms
(/ 1/2 (/ (* 1.0 1.0) y))
165.0ms
(fma x (log y) (* z (- (log 1.0) (* y (+ 1.0 (/ 1/2 (/ (* 1.0 1.0) y)))))))

simplify1.4s

Counts
137 → 137
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02502443
15492341
216552006
done50001968

prune800.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.1b

localize38.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0)))))) (cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0)))))))
0.6b
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))
0.6b
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))
0.6b
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
11×pow1
pow1/3
add-exp-log swap-sqr associate-*r* associate-*l*
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 81
Calls
4 calls:
23.0ms
(* (cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0)))))) (cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0)))))))
2.0ms
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))
2.0ms
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))
2.0ms
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))

series1.6s

Counts
4 → 12
Calls
4 calls:
459.0ms
(* (cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0)))))) (cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0)))))))
369.0ms
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))
415.0ms
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))
407.0ms
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))

simplify2.3s

Counts
93 → 93
Iterations

Useful iterations: done (2.2s)

IterNodesCost
01874136
14373876
211553549
332972943
done50002806

prune710.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.1b

localize63.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))
0.6b
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))
0.6b
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))
0.6b
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log expm1-log1p-u pow1/3 add-cbrt-cube log1p-expm1-u add-log-exp
Counts
4 → 52
Calls
4 calls:
2.0ms
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))
2.0ms
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))
2.0ms
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))
2.0ms
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))

series1.6s

Counts
4 → 12
Calls
4 calls:
380.0ms
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))
358.0ms
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))
418.0ms
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))
396.0ms
(cbrt (fma (log y) x (* z (- (log 1.0) (* y (fma (/ 1/2 (* 1.0 1.0)) y 1.0))))))

simplify1.3s

Counts
64 → 64
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01002452
12262396
25672192
316311992
done50001768

prune485.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.1b

regimes427.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01722
12022
done2022

end0.0ms

sample6.4s

Algorithm
intervals
Results
2.5s24665×body80nan
884.0ms880×body640valid
596.0ms5640×body80valid
573.0ms673×body320valid
471.0ms409×body1280valid
77.0ms432×body160valid