Details

Time bar (total: 29.5s)

sample66.0ms

Algorithm
intervals
Results
20.0ms242×body80valid
5.0ms16×body640valid
4.0ms15×body320valid
3.0msbody1280valid
1.0msbody160valid

simplify9.6s

Counts
1 → 1
Iterations

Useful iterations: 3 (24.0ms)

IterNodesCost
01113
12013
24513
311612
432212
576612
6155512
7287312
8476112
done500012

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 11.5b

localize11.0ms

Local error

Found 2 expressions with local error:

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

rewrite465.0ms

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:
462.0ms
(/ (- y z) (- a z))
0.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

series305.0ms

Counts
2 → 6
Calls
2 calls:
101.0ms
(/ (- y z) (- a z))
204.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

simplify1.8s

Counts
70 → 70
Iterations

Useful iterations: done (1.8s)

IterNodesCost
0116918
1266890
2653838
31707834
done5001830

prune336.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 3.5b

localize26.0ms

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)

rewrite131.0ms

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:
23.0ms
(/ 1 (- a z))
103.0ms
(* (- y z) (/ 1 (- a z)))
1.0ms
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

series340.0ms

Counts
3 → 9
Calls
3 calls:
71.0ms
(/ 1 (- a z))
92.0ms
(* (- y z) (/ 1 (- a z)))
177.0ms
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

simplify2.7s

Counts
114 → 114
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01521285
13341052
2930948
33159944
done5002942

prune410.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 3.2b

localize34.0ms

Local error

Found 4 expressions with local error:

3.1b
(cbrt (/ (- y z) (- a z)))
3.1b
(cbrt (/ (- y z) (- a z)))
3.1b
(cbrt (/ (- y z) (- a z)))
3.6b
(fma (* (* (cbrt (/ (- y z) (- a z))) (cbrt (/ (- y z) (- a z)))) (cbrt (/ (- y z) (- a z)))) (- t x) x)

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
97×add-sqr-sqrt *-un-lft-identity
93×cbrt-prod
75×times-frac
37×add-cube-cbrt
30×distribute-lft-out-- difference-of-squares
associate-/r/
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-div flip3-- pow1/3 flip-- div-inv
fma-udef
Counts
4 → 136
Calls
4 calls:
21.0ms
(cbrt (/ (- y z) (- a z)))
19.0ms
(cbrt (/ (- y z) (- a z)))
13.0ms
(cbrt (/ (- y z) (- a z)))
1.0ms
(fma (* (* (cbrt (/ (- y z) (- a z))) (cbrt (/ (- y z) (- a z)))) (cbrt (/ (- y z) (- a z)))) (- t x) x)

series1.8s

Counts
4 → 12
Calls
4 calls:
506.0ms
(cbrt (/ (- y z) (- a z)))
613.0ms
(cbrt (/ (- y z) (- a z)))
479.0ms
(cbrt (/ (- y z) (- a z)))
193.0ms
(fma (* (* (cbrt (/ (- y z) (- a z))) (cbrt (/ (- y z) (- a z)))) (cbrt (/ (- y z) (- a z)))) (- t x) x)

simplify3.6s

Counts
148 → 148
Iterations

Useful iterations: 4 (2.0s)

IterNodesCost
01782811
13392718
26942417
316712353
449902283
done50002283

prune861.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 3.2b

localize46.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (/ 1 (- a z)))
3.1b
(cbrt (/ (- y z) (- a z)))
3.1b
(cbrt (/ (- y z) (- a z)))
6.3b
(fma (* (* (cbrt (/ (- y z) (- a z))) (cbrt (/ (- y z) (- a z)))) (* (cbrt (- y z)) (cbrt (/ 1 (- a z))))) (- t x) x)

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
83×cbrt-prod
81×add-sqr-sqrt *-un-lft-identity
65×times-frac
35×add-cube-cbrt
23×distribute-lft-out-- difference-of-squares
associate-/r/
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-div flip3-- pow1/3 flip-- div-inv
fma-udef
Counts
4 → 126
Calls
4 calls:
14.0ms
(cbrt (/ 1 (- a z)))
21.0ms
(cbrt (/ (- y z) (- a z)))
20.0ms
(cbrt (/ (- y z) (- a z)))
1.0ms
(fma (* (* (cbrt (/ (- y z) (- a z))) (cbrt (/ (- y z) (- a z)))) (* (cbrt (- y z)) (cbrt (/ 1 (- a z))))) (- t x) x)

series1.5s

Counts
4 → 12
Calls
4 calls:
246.0ms
(cbrt (/ 1 (- a z)))
525.0ms
(cbrt (/ (- y z) (- a z)))
522.0ms
(cbrt (/ (- y z) (- a z)))
224.0ms
(fma (* (* (cbrt (/ (- y z) (- a z))) (cbrt (/ (- y z) (- a z)))) (* (cbrt (- y z)) (cbrt (/ 1 (- a z))))) (- t x) x)

simplify1.8s

Counts
138 → 138
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02602534
14792400
29782283
324972248
done50012201

prune730.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 3.2b

regimes713.0ms

Accuracy

31.2% (5.8b remaining)

Error of 9.3b against oracle of 3.5b and baseline of 11.9b

bsearch4.0ms

simplify8.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03194
13794
done3794

end0.0ms

sample2.2s

Algorithm
intervals
Results
1.2s7744×body80valid
148.0ms481×body640valid
75.0ms441×body320valid
73.0ms261×body1280valid
48.0ms280×body160valid
4.0ms12×body2560valid