Details

Time bar (total: 5.5s)

sample17.0ms

Algorithm
intervals
Results
8.0ms256×body80valid

simplify162.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
0919
11918
23918
38018
413318
518718
621518
721918
done21918

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.4b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma x x (* (* y 4.0) y))
2.8b
(- (* x x) (* (* y 4.0) y))
31.7b
(/ (- (* x x) (* (* y 4.0) y)) (fma x x (* (* y 4.0) y)))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log add-cbrt-cube add-log-exp
pow1 expm1-log1p-u associate-/r* log1p-expm1-u associate-/l*
flip3-- flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg fma-neg diff-log div-sub div-exp prod-diff clear-num fma-udef div-inv
Counts
3 → 58
Calls
3 calls:
0.0ms
(fma x x (* (* y 4.0) y))
3.0ms
(- (* x x) (* (* y 4.0) y))
11.0ms
(/ (- (* x x) (* (* y 4.0) y)) (fma x x (* (* y 4.0) y)))

series196.0ms

Counts
3 → 9
Calls
3 calls:
54.0ms
(fma x x (* (* y 4.0) y))
57.0ms
(- (* x x) (* (* y 4.0) y))
85.0ms
(/ (- (* x x) (* (* y 4.0) y)) (fma x x (* (* y 4.0) y)))

simplify1.7s

Counts
67 → 67
Iterations

Useful iterations: done (1.7s)

IterNodesCost
0941321
12241289
28021165
336851163
done50001161

prune214.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.6b

localize0.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify1.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
000
done00

prune10.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.6b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma x x (* (* y 4.0) y))
2.3b
(fma x x (- (* (* y 4.0) y)))
31.7b
(/ (fma x x (- (* (* y 4.0) y))) (fma x x (* (* y 4.0) y)))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u associate-/r* log1p-expm1-u associate-/l* add-log-exp
fma-udef
cbrt-undiv frac-2neg div-exp clear-num div-inv
Counts
3 → 49
Calls
3 calls:
0.0ms
(fma x x (* (* y 4.0) y))
0.0ms
(fma x x (- (* (* y 4.0) y)))
2.0ms
(/ (fma x x (- (* (* y 4.0) y))) (fma x x (* (* y 4.0) y)))

series188.0ms

Counts
3 → 9
Calls
3 calls:
47.0ms
(fma x x (* (* y 4.0) y))
58.0ms
(fma x x (- (* (* y 4.0) y)))
84.0ms
(/ (fma x x (- (* (* y 4.0) y))) (fma x x (* (* y 4.0) y)))

simplify711.0ms

Counts
58 → 58
Iterations

Useful iterations: done (709.0ms)

IterNodesCost
0711123
11211114
22911005
310301005
done50001004

prune172.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.6b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (/ (fma x x (- (* (* y 4.0) y))) (fma x x (* (* y 4.0) y))))
0.0b
(log (exp (/ (fma x x (- (* (* y 4.0) y))) (fma x x (* (* y 4.0) y)))))
2.3b
(fma x x (- (* (* y 4.0) y)))
31.7b
(/ (fma x x (- (* (* y 4.0) y))) (fma x x (* (* y 4.0) y)))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac
26×exp-prod
14×log-pow
add-exp-log add-cbrt-cube
pow1 add-log-exp
expm1-log1p-u log1p-expm1-u
log-prod associate-/r* div-inv associate-/l*
cbrt-undiv frac-2neg div-exp rem-log-exp clear-num fma-udef rem-exp-log
Counts
4 → 89
Calls
4 calls:
4.0ms
(exp (/ (fma x x (- (* (* y 4.0) y))) (fma x x (* (* y 4.0) y))))
5.0ms
(log (exp (/ (fma x x (- (* (* y 4.0) y))) (fma x x (* (* y 4.0) y)))))
0.0ms
(fma x x (- (* (* y 4.0) y)))
3.0ms
(/ (fma x x (- (* (* y 4.0) y))) (fma x x (* (* y 4.0) y)))

series313.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(exp (/ (fma x x (- (* (* y 4.0) y))) (fma x x (* (* y 4.0) y))))
78.0ms
(log (exp (/ (fma x x (- (* (* y 4.0) y))) (fma x x (* (* y 4.0) y)))))
55.0ms
(fma x x (- (* (* y 4.0) y)))
80.0ms
(/ (fma x x (- (* (* y 4.0) y))) (fma x x (* (* y 4.0) y)))

simplify653.0ms

Counts
101 → 101
Iterations

Useful iterations: done (650.0ms)

IterNodesCost
01162190
11722109
23531927
311231927
done50021926

prune325.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.6b

regimes118.0ms

Accuracy

57.9% (13.2b remaining)

Error of 13.6b against oracle of 0.4b and baseline of 31.7b

bsearch233.0ms

Steps
ItersRangePoint
9
4.283497980630725e+128
1.2086931281044804e+136
4.367447801126625e+128
8
4.2706539415928307e+104
2.1878188410446244e+107
2.1620145518824135e+107
9
1.855235282084144e+33
6.217793645765005e+41
4.011625031578035e+38
6
2231369.5462890854
28638621.607503247
28161126.972837694
8
6.0695211452904165e-58
2.2556006266800907e-55
1.1196094733529732e-55
7
-2.4883474419946845e-96
-1.2073393430268885e-97
-1.3841596065667632e-97
6
-3.1442305190809916e+143
-5.062787100137526e+142
-7.710738992849757e+142

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03493
14293
24993
done4993

end0.0ms

sample377.0ms

Algorithm
intervals
Results
241.0ms8000×body80valid