Details

Time bar (total: 18.4s)

sample42.0ms

Algorithm
intervals
Results
15.0ms258×body80valid
3.0ms13×body640valid
2.0msbody1280valid
1.0msbody320valid
0.0msbody160valid

simplify2.6s

Counts
1 → 1
Iterations
IterNodes
done5000
64619
51129
4367
3128
246
123
011

prune17.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 11.7b

localize25.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- t x) (- a z))
11.8b
(fma (/ (- t x) (- a z)) (- y z) x)

rewrite40.0ms

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-cbrt-cube add-exp-log
expm1-log1p-u pow1 flip3-- associate-/r/ log1p-expm1-u flip-- add-log-exp associate-/l/
cbrt-undiv clear-num frac-2neg div-sub div-exp fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
37.0ms
(/ (- t x) (- a z))
1.0ms
(fma (/ (- t x) (- a z)) (- y z) x)

series198.0ms

Counts
2 → 6
Calls
2 calls:
84.0ms
(/ (- t x) (- a z))
114.0ms
(fma (/ (- t x) (- a z)) (- y z) x)

simplify1.9s

Counts
70 → 70
Iterations
IterNodes
done5000
34626
2848
1274
0118

prune542.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 6.3b

localize18.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a z))
0.2b
(* (- t x) (/ 1 (- a z)))
11.8b
(fma (* (- t x) (/ 1 (- a z))) (- y z) x)

rewrite89.0ms

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-/r* associate-*l*
flip3-- div-exp prod-exp associate-/r/ flip--
expm1-log1p-u log1p-expm1-u associate-/l* add-log-exp unswap-sqr
frac-times cbrt-undiv rec-exp 1-exp associate-*l/ cbrt-unprod div-inv
clear-num frac-2neg pow-prod-down associate-*r/ un-div-inv *-commutative fma-udef pow-flip inv-pow
Counts
3 → 105
Calls
3 calls:
18.0ms
(/ 1 (- a z))
64.0ms
(* (- t x) (/ 1 (- a z)))
0.0ms
(fma (* (- t x) (/ 1 (- a z))) (- y z) x)

series218.0ms

Counts
3 → 9
Calls
3 calls:
50.0ms
(/ 1 (- a z))
62.0ms
(* (- t x) (/ 1 (- a z)))
106.0ms
(fma (* (- t x) (/ 1 (- a z))) (- y z) x)

simplify4.3s

Counts
114 → 114
Iterations
IterNodes
done5001
22967
1373
0155

prune675.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 4.5b

localize57.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- a z))
0.5b
(cbrt (- a z))
0.5b
(cbrt (- a z))
11.7b
(fma (/ (/ (/ (- t x) (cbrt (- a z))) (cbrt (- a z))) (cbrt (- a z))) (- y z) x)

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
15×cbrt-prod
13×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
cbrt-div
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
flip3-- pow1/3 flip-- distribute-lft-out-- difference-of-squares
fma-udef
Counts
4 → 61
Calls
4 calls:
3.0ms
(cbrt (- a z))
6.0ms
(cbrt (- a z))
7.0ms
(cbrt (- a z))
1.0ms
(fma (/ (/ (/ (- t x) (cbrt (- a z))) (cbrt (- a z))) (cbrt (- a z))) (- y z) x)

series689.0ms

Counts
4 → 12
Calls
4 calls:
201.0ms
(cbrt (- a z))
208.0ms
(cbrt (- a z))
168.0ms
(cbrt (- a z))
112.0ms
(fma (/ (/ (/ (- t x) (cbrt (- a z))) (cbrt (- a z))) (cbrt (- a z))) (- y z) x)

simplify935.0ms

Counts
73 → 73
Iterations
IterNodes
done5000
31665
2504
1200
097

prune580.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 4.5b

localize75.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (fma (/ (- t x) (- a z)) (- y z) x))
11.8b
(fma (/ (- t x) (- a z)) (- y z) x)
11.8b
(fma (/ (- t x) (- a z)) (- y z) x)
11.8b
(fma (/ (- t x) (- a z)) (- y z) x)

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
cbrt-prod fma-udef
pow1/3
Counts
4 → 43
Calls
4 calls:
1.0ms
(cbrt (fma (/ (- t x) (- a z)) (- y z) x))
0.0ms
(fma (/ (- t x) (- a z)) (- y z) x)
0.0ms
(fma (/ (- t x) (- a z)) (- y z) x)
1.0ms
(fma (/ (- t x) (- a z)) (- y z) x)

series1.5s

Counts
4 → 12
Calls
4 calls:
1.1s
(cbrt (fma (/ (- t x) (- a z)) (- y z) x))
118.0ms
(fma (/ (- t x) (- a z)) (- y z) x)
147.0ms
(fma (/ (- t x) (- a z)) (- y z) x)
146.0ms
(fma (/ (- t x) (- a z)) (- y z) x)

simplify752.0ms

Counts
55 → 55
Iterations
IterNodes
done5002
31498
2327
1131
069

prune403.0ms

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 4.5b

regimes903.0ms

Accuracy

9.7% (7.7b remaining)

Error of 13.9b against oracle of 6.2b and baseline of 14.8b

bsearch52.0ms

Steps
ItersRangePoint
9
6.232674112580621e+208
4.457444719923058e+213
4.4149995707834223e+213

simplify3.0ms

Iterations
IterNodes
done18
118
015

end0.0ms

sample1.8s

Algorithm
intervals
Results
968.0ms7795×body80valid
114.0ms488×body640valid
79.0ms287×body1280valid
70.0ms249×body160valid
68.0ms393×body320valid
5.0ms16×body2560valid