Details

Time bar (total: 24.0s)

sample41.0ms

Algorithm
intervals
Results
12.0ms249×body80valid
3.0ms19×body640valid
2.0ms10×body1280valid
2.0ms15×body320valid
1.0msbody160valid
0.0msbody2560valid

simplify6.7s

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01113
12313
24612
312812
436012
587712
6201612
7358612
done500012

prune12.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 15.4b

localize19.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- t x) (- a z))
15.6b
(fma (/ (- t x) (- a z)) (- y z) x)

rewrite63.0ms

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:
58.0ms
(/ (- t x) (- a z))
1.0ms
(fma (/ (- t x) (- a z)) (- y z) x)

series201.0ms

Counts
2 → 6
Calls
2 calls:
57.0ms
(/ (- t x) (- a z))
144.0ms
(fma (/ (- t x) (- a z)) (- y z) x)

simplify1.2s

Counts
70 → 70
Iterations

Useful iterations: done (1.2s)

IterNodesCost
0118918
1269890
2658838
31743834
done5000830

prune283.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 6.8b

localize23.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a z))
0.3b
(* (- t x) (/ 1 (- a z)))
15.5b
(fma (* (- t x) (/ 1 (- a z))) (- y z) x)

rewrite98.0ms

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:
26.0ms
(/ 1 (- a z))
66.0ms
(* (- t x) (/ 1 (- a z)))
1.0ms
(fma (* (- t x) (/ 1 (- a z))) (- y z) x)

series227.0ms

Counts
3 → 9
Calls
3 calls:
44.0ms
(/ 1 (- a z))
60.0ms
(* (- t x) (/ 1 (- a z)))
123.0ms
(fma (* (- t x) (/ 1 (- a z))) (- y z) x)

simplify2.0s

Counts
114 → 114
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01551285
13441052
2954948
33231944
done5000942

prune280.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 6.8b

localize35.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- a z))
0.5b
(cbrt (- a z))
0.5b
(* (cbrt (- a z)) (cbrt (- a z)))
15.5b
(fma (* (- t x) (/ (/ 1 (* (cbrt (- a z)) (cbrt (- a z)))) (cbrt (- a z)))) (- y z) x)

rewrite83.0ms

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:
8.0ms
(cbrt (- a z))
8.0ms
(cbrt (- a z))
63.0ms
(* (cbrt (- a z)) (cbrt (- a z)))
1.0ms
(fma (* (- t x) (/ (/ 1 (* (cbrt (- a z)) (cbrt (- a z)))) (cbrt (- a z)))) (- y z) x)

series790.0ms

Counts
4 → 12
Calls
4 calls:
219.0ms
(cbrt (- a z))
245.0ms
(cbrt (- a z))
198.0ms
(* (cbrt (- a z)) (cbrt (- a z)))
128.0ms
(fma (* (- t x) (/ (/ 1 (* (cbrt (- a z)) (cbrt (- a z)))) (cbrt (- a z)))) (- y z) x)

simplify2.0s

Counts
114 → 114
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01601601
13191493
28061305
322571158
done50021129

prune561.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 6.1b

localize38.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt (fma (/ (- t x) (- a z)) (- y z) x)) (cbrt (fma (/ (- t x) (- a z)) (- y z) x)))
15.6b
(fma (/ (- t x) (- a z)) (- y z) x)
15.6b
(fma (/ (- t x) (- a z)) (- y z) x)
15.6b
(fma (/ (- t x) (- a z)) (- y z) x)

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
16×cbrt-prod
12×add-cube-cbrt *-un-lft-identity
11×pow1
add-exp-log pow1/3 swap-sqr associate-*r* associate-*l*
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
fma-udef
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 72
Calls
4 calls:
30.0ms
(* (cbrt (fma (/ (- t x) (- a z)) (- y z) x)) (cbrt (fma (/ (- t x) (- a z)) (- y z) x)))
1.0ms
(fma (/ (- t x) (- a z)) (- y z) x)
1.0ms
(fma (/ (- t x) (- a z)) (- y z) x)
1.0ms
(fma (/ (- t x) (- a z)) (- y z) x)

series4.7s

Counts
4 → 12
Calls
4 calls:
4.3s
(* (cbrt (fma (/ (- t x) (- a z)) (- y z) x)) (cbrt (fma (/ (- t x) (- a z)) (- y z) x)))
142.0ms
(fma (/ (- t x) (- a z)) (- y z) x)
113.0ms
(fma (/ (- t x) (- a z)) (- y z) x)
149.0ms
(fma (/ (- t x) (- a z)) (- y z) x)

simplify1.4s

Counts
84 → 84
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01022024
12071877
25031695
313881404
done50001376

prune482.0ms

Pruning

13 alts after pruning (10 fresh and 3 done)

Merged error: 6.0b

regimes480.0ms

Accuracy

9.6% (7.4b remaining)

Error of 14.0b against oracle of 6.7b and baseline of 14.8b

bsearch69.0ms

Steps
ItersRangePoint
9
-1.7910089691738227e+194
-1.8921491898552533e+186
-1.1534381443874752e+194

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01519
11819
done1819

end0.0ms

sample2.2s

Algorithm
intervals
Results
1.1s7808×body80valid
133.0ms414×body320valid
118.0ms270×body1280valid
112.0ms481×body640valid
33.0ms284×body160valid
10.0ms25×body2560valid