Details

Time bar (total: 10.8s)

sample25.0ms

Algorithm
intervals
Results
11.0ms289×body80valid

simplify805.0ms

Counts
1 → 1
Iterations

Useful iterations: 3 (9.0ms)

IterNodesCost
01011
11711
23511
36210
410410
514810
619010
721710
825110
930010
1041610
1160510
1265110
1367210
1467410
done67410

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y z) (- a z))
2.0b
(fma (/ (- y z) (- a z)) t x)

rewrite18.0ms

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

series137.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(/ (- y z) (- a z))
82.0ms
(fma (/ (- y z) (- a z)) t x)

simplify1.9s

Counts
70 → 70
Iterations

Useful iterations: 4 (949.0ms)

IterNodesCost
0113884
1259856
2599808
31462808
44019806
done5001806

prune199.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

2.0b
(fma (* (* (cbrt (/ (- y z) (- a z))) (cbrt (/ (- y z) (- a z)))) (cbrt (/ (- y z) (- a z)))) t x)
4.7b
(cbrt (/ (- y z) (- a z)))
4.7b
(cbrt (/ (- y z) (- a z)))
4.7b
(cbrt (/ (- y z) (- a z)))

rewrite27.0ms

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:
0.0ms
(fma (* (* (cbrt (/ (- y z) (- a z))) (cbrt (/ (- y z) (- a z)))) (cbrt (/ (- y z) (- a z)))) t x)
9.0ms
(cbrt (/ (- y z) (- a z)))
6.0ms
(cbrt (/ (- y z) (- a z)))
6.0ms
(cbrt (/ (- y z) (- a z)))

series1.2s

Counts
4 → 12
Calls
4 calls:
90.0ms
(fma (* (* (cbrt (/ (- y z) (- a z))) (cbrt (/ (- y z) (- a z)))) (cbrt (/ (- y z) (- a z)))) t x)
354.0ms
(cbrt (/ (- y z) (- a z)))
350.0ms
(cbrt (/ (- y z) (- a z)))
356.0ms
(cbrt (/ (- y z) (- a z)))

simplify2.0s

Counts
148 → 148
Iterations

Useful iterations: 4 (999.0ms)

IterNodesCost
01752777
13322684
26692387
315862327
444892261
done50012261

prune519.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- a z))
0.6b
(cbrt (- a z))
0.6b
(* (cbrt (- a z)) (cbrt (- a z)))
2.0b
(fma (/ (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (cbrt (- a z))) t x)

rewrite27.0ms

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 (- a z))
2.0ms
(cbrt (- a z))
19.0ms
(* (cbrt (- a z)) (cbrt (- a z)))
0.0ms
(fma (/ (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (cbrt (- a z))) t x)

series565.0ms

Counts
4 → 12
Calls
4 calls:
171.0ms
(cbrt (- a z))
164.0ms
(cbrt (- a z))
146.0ms
(* (cbrt (- a z)) (cbrt (- a z)))
84.0ms
(fma (/ (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (cbrt (- a z))) t x)

simplify991.0ms

Counts
114 → 114
Iterations

Useful iterations: 3 (428.0ms)

IterNodesCost
01561541
13111433
27811253
321721132
done50011132

prune378.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ (* (- y z) t) (- a z)))
0.0b
(* (- y z) t)
7.6b
(/ (* (- y z) t) (- a z))

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt *-un-lft-identity
10×add-exp-log add-cbrt-cube
add-cube-cbrt
pow1 times-frac associate-*l* associate-/r* add-log-exp
associate-*l/
expm1-log1p-u flip3-- fma-def associate-*r* flip-- log1p-expm1-u distribute-lft-out-- difference-of-squares
cbrt-undiv div-exp prod-exp associate-/r/ cbrt-unprod associate-/l/
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 72
Calls
3 calls:
13.0ms
(+ x (/ (* (- y z) t) (- a z)))
10.0ms
(* (- y z) t)
9.0ms
(/ (* (- y z) t) (- a z))

series188.0ms

Counts
3 → 9
Calls
3 calls:
81.0ms
(+ x (/ (* (- y z) t) (- a z)))
37.0ms
(* (- y z) t)
69.0ms
(/ (* (- y z) t) (- a z))

simplify844.0ms

Counts
81 → 81
Iterations

Useful iterations: 2 (356.0ms)

IterNodesCost
0130868
1340817
21243739
done5000739

prune205.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

regimes246.0ms

Accuracy

74.3% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 1.4b

bsearch2.0ms

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01961
12651
done2651

end0.0ms

sample537.0ms

Algorithm
intervals
Results
270.0ms8764×body80valid