Details

Time bar (total: 26.6s)

sample40.0ms

Algorithm
intervals
Results
14.0ms242×body80valid
3.0ms16×body640valid
2.0ms15×body320valid
2.0msbody1280valid
1.0msbody160valid

simplify10.4s

Counts
1 → 1
Iterations

Useful iterations: 3 (45.0ms)

IterNodesCost
01113
12013
24513
311612
432212
576612
6155512
7287312
8476112
done500012

prune9.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 11.5b

localize22.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y z) (- a z))
3.6b
(fma (/ (- y z) (- a z)) (- t x) x)

rewrite38.0ms

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:
35.0ms
(/ (- y z) (- a z))
1.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

series299.0ms

Counts
2 → 6
Calls
2 calls:
75.0ms
(/ (- y z) (- a z))
224.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

simplify1.7s

Counts
70 → 70
Iterations

Useful iterations: done (1.7s)

IterNodesCost
0116918
1266890
2653838
31707834
done5001830

prune344.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 3.5b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a z))
0.2b
(* (- y z) (/ 1 (- a z)))
5.5b
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

rewrite112.0ms

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:
13.0ms
(/ 1 (- a z))
94.0ms
(* (- y z) (/ 1 (- a z)))
0.0ms
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

series398.0ms

Counts
3 → 9
Calls
3 calls:
64.0ms
(/ 1 (- a z))
101.0ms
(* (- y z) (/ 1 (- a z)))
233.0ms
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

simplify2.6s

Counts
114 → 114
Iterations

Useful iterations: done (2.6s)

IterNodesCost
01521285
13341052
2930948
33159944
done5002942

prune449.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 3.2b

localize16.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- a z))
0.6b
(cbrt (- a z))
0.6b
(cbrt (- a z))
9.4b
(fma (/ (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (cbrt (- a z))) (- t x) x)

rewrite35.0ms

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:
8.0ms
(cbrt (- a z))
8.0ms
(cbrt (- a z))
15.0ms
(cbrt (- a z))
0.0ms
(fma (/ (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (cbrt (- a z))) (- t x) x)

series948.0ms

Counts
4 → 12
Calls
4 calls:
287.0ms
(cbrt (- a z))
231.0ms
(cbrt (- a z))
238.0ms
(cbrt (- a z))
191.0ms
(fma (/ (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (cbrt (- a z))) (- t x) x)

simplify2.6s

Counts
73 → 73
Iterations

Useful iterations: done (2.6s)

IterNodesCost
096925
1200907
2436749
31091676
43751636
done5000631

prune436.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 3.2b

localize16.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- y z))
0.5b
(cbrt (- y z))
0.5b
(cbrt (- y z))
9.4b
(fma (/ (* (cbrt (- y z)) (cbrt (- y z))) (/ (- a z) (cbrt (- y z)))) (- t x) x)

rewrite20.0ms

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:
7.0ms
(cbrt (- y z))
5.0ms
(cbrt (- y z))
5.0ms
(cbrt (- y z))
0.0ms
(fma (/ (* (cbrt (- y z)) (cbrt (- y z))) (/ (- a z) (cbrt (- y z)))) (- t x) x)

series890.0ms

Counts
4 → 12
Calls
4 calls:
202.0ms
(cbrt (- y z))
225.0ms
(cbrt (- y z))
251.0ms
(cbrt (- y z))
212.0ms
(fma (/ (* (cbrt (- y z)) (cbrt (- y z))) (/ (- a z) (cbrt (- y z)))) (- t x) x)

simplify2.5s

Counts
73 → 73
Iterations

Useful iterations: done (2.5s)

IterNodesCost
096925
1201907
2435749
31104676
43735636
done5000631

prune325.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 3.2b

regimes508.0ms

Accuracy

30.5% (5.8b remaining)

Error of 9.4b against oracle of 3.5b and baseline of 11.9b

bsearch2.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02791
13291
done3291

end0.0ms

sample1.8s

Algorithm
intervals
Results
652.0ms7744×body80valid
473.0ms261×body1280valid
177.0ms481×body640valid
74.0ms441×body320valid
33.0ms280×body160valid
4.0ms12×body2560valid