Details

Time bar (total: 18.2s)

sample26.0ms

Algorithm
intervals
Results
8.0ms250×body80valid
2.0ms13×body640valid
1.0ms10×body1280valid
1.0msbody320valid
0.0msbody160valid

simplify7.4s

Counts
1 → 1
Iterations

Useful iterations: 3 (12.0ms)

IterNodesCost
01113
12013
24513
311412
427812
561812
6126012
7233212
8423312
done500112

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 8.9b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y z) (- a z))
2.5b
(fma (/ (- y z) (- a z)) (- t x) x)

rewrite14.0ms

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:
12.0ms
(/ (- y z) (- a z))
0.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

series160.0ms

Counts
2 → 6
Calls
2 calls:
46.0ms
(/ (- y z) (- a z))
114.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

simplify2.0s

Counts
70 → 70
Iterations

Useful iterations: 4 (1.2s)

IterNodesCost
0116918
1266890
2623838
31565834
44615828
done5000828

prune215.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.4b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a z))
0.2b
(* (- y z) (/ 1 (- a z)))
4.0b
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
46×add-sqr-sqrt
40×*-un-lft-identity
32×times-frac
23×add-cube-cbrt
21×associate-*r*
16×add-exp-log
10×add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1
associate-*l* associate-/r*
flip3-- div-exp prod-exp associate-/r/ flip--
expm1-log1p-u log1p-expm1-u associate-/l* add-log-exp unswap-sqr
cbrt-undiv frac-times rec-exp 1-exp associate-*l/ cbrt-unprod div-inv
pow-flip frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv *-commutative fma-udef inv-pow
Counts
3 → 105
Calls
3 calls:
5.0ms
(/ 1 (- a z))
24.0ms
(* (- y z) (/ 1 (- a z)))
0.0ms
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

series200.0ms

Counts
3 → 9
Calls
3 calls:
38.0ms
(/ 1 (- a z))
47.0ms
(* (- y z) (/ 1 (- a z)))
115.0ms
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

simplify2.6s

Counts
114 → 114
Iterations

Useful iterations: done (2.6s)

IterNodesCost
01521285
13411096
21014948
33164944
done5000943

prune277.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.4b

localize14.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- y z))
0.5b
(cbrt (- y z))
0.5b
(* (cbrt (- y z)) (cbrt (- y z)))
6.9b
(fma (/ (* (cbrt (- y z)) (cbrt (- y z))) (/ (- a z) (cbrt (- y z)))) (- t x) x)

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
38×cbrt-prod
34×add-sqr-sqrt
32×*-un-lft-identity
16×cbrt-div
14×add-cube-cbrt
11×pow1
10×swap-sqr
flip3-- pow1/3 associate-*r* associate-*l* flip-- distribute-lft-out--
add-exp-log difference-of-squares
expm1-log1p-u frac-times add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod fma-udef
Counts
4 → 102
Calls
4 calls:
2.0ms
(cbrt (- y z))
2.0ms
(cbrt (- y z))
20.0ms
(* (cbrt (- y z)) (cbrt (- y z)))
0.0ms
(fma (/ (* (cbrt (- y z)) (cbrt (- y z))) (/ (- a z) (cbrt (- y z)))) (- t x) x)

series569.0ms

Counts
4 → 12
Calls
4 calls:
160.0ms
(cbrt (- y z))
153.0ms
(cbrt (- y z))
136.0ms
(* (cbrt (- y z)) (cbrt (- y z)))
119.0ms
(fma (/ (* (cbrt (- y z)) (cbrt (- y z))) (/ (- a z) (cbrt (- y z)))) (- t x) x)

simplify1.2s

Counts
114 → 114
Iterations

Useful iterations: 3 (494.0ms)

IterNodesCost
01591575
13201479
28161283
323061157
done50011157

prune404.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 3.4b

localize15.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- a z))
0.6b
(cbrt (- a z))
0.6b
(cbrt (- a z))
7.4b
(fma (* (/ 1 (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- y z) (cbrt (- a z)))) (- t x) x)

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
15×cbrt-prod
13×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
cbrt-div
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
flip3-- pow1/3 flip-- distribute-lft-out-- difference-of-squares
fma-udef
Counts
4 → 61
Calls
4 calls:
2.0ms
(cbrt (- a z))
2.0ms
(cbrt (- a z))
2.0ms
(cbrt (- a z))
0.0ms
(fma (* (/ 1 (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- y z) (cbrt (- a z)))) (- t x) x)

series794.0ms

Counts
4 → 12
Calls
4 calls:
153.0ms
(cbrt (- a z))
356.0ms
(cbrt (- a z))
153.0ms
(cbrt (- a z))
132.0ms
(fma (* (/ 1 (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- y z) (cbrt (- a z)))) (- t x) x)

simplify927.0ms

Counts
73 → 73
Iterations

Useful iterations: done (925.0ms)

IterNodesCost
097951
1205933
2469837
31364676
done5001666

prune279.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 3.4b

regimes325.0ms

Accuracy

42.2% (4.7b remaining)

Error of 8.5b against oracle of 3.8b and baseline of 11.9b

bsearch2.0ms

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02469
13356
done3356

end0.0ms

sample699.0ms

Algorithm
intervals
Results
260.0ms7780×body80valid
61.0ms490×body640valid
41.0ms277×body1280valid
39.0ms424×body320valid
15.0ms252×body160valid
5.0ms26×body2560valid