Details

Time bar (total: 11.8s)

sample38.0ms

Algorithm
intervals
Results
23.0ms620×body80valid

simplify3.6s

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01217
12616
24915
38015
413615
528415
688615
7399115
done500015

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* a a) (* b b))
0.0b
(* 4.0 (* b b))
0.0b
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
0.3b
(pow (+ (* a a) (* b b)) 2.0)

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
10×pow1 add-exp-log add-sqr-sqrt
add-cube-cbrt *-un-lft-identity add-cbrt-cube
fma-def add-log-exp
unpow-prod-down
expm1-log1p-u log1p-expm1-u
pow-unpow associate-*l* pow-prod-down prod-exp cbrt-unprod
+-commutative flip3-+ sum-log flip-+ sqr-pow
pow-to-exp pow-pow associate-*r* pow-exp *-commutative unswap-sqr
Counts
4 → 74
Calls
4 calls:
3.0ms
(+ (* a a) (* b b))
6.0ms
(* 4.0 (* b b))
29.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
4.0ms
(pow (+ (* a a) (* b b)) 2.0)

series215.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(+ (* a a) (* b b))
24.0ms
(* 4.0 (* b b))
64.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
100.0ms
(pow (+ (* a a) (* b b)) 2.0)

simplify2.2s

Counts
86 → 86
Iterations

Useful iterations: 3 (830.0ms)

IterNodesCost
01251011
1335844
21150772
34664766
done5000766

prune214.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt (fma 4.0 (* b b) (pow (fma a a (* b b)) 2.0))) (cbrt (fma 4.0 (* b b) (pow (fma a a (* b b)) 2.0))))
15.0b
(cbrt (fma 4.0 (* b b) (pow (fma a a (* b b)) 2.0)))
15.0b
(cbrt (fma 4.0 (* b b) (pow (fma a a (* b b)) 2.0)))
15.0b
(cbrt (fma 4.0 (* b b) (pow (fma a a (* b b)) 2.0)))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
11×pow1
pow1/3
add-exp-log swap-sqr associate-*r* associate-*l*
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 81
Calls
4 calls:
5.0ms
(* (cbrt (fma 4.0 (* b b) (pow (fma a a (* b b)) 2.0))) (cbrt (fma 4.0 (* b b) (pow (fma a a (* b b)) 2.0))))
0.0ms
(cbrt (fma 4.0 (* b b) (pow (fma a a (* b b)) 2.0)))
0.0ms
(cbrt (fma 4.0 (* b b) (pow (fma a a (* b b)) 2.0)))
1.0ms
(cbrt (fma 4.0 (* b b) (pow (fma a a (* b b)) 2.0)))

series804.0ms

Counts
4 → 12
Calls
4 calls:
211.0ms
(* (cbrt (fma 4.0 (* b b) (pow (fma a a (* b b)) 2.0))) (cbrt (fma 4.0 (* b b) (pow (fma a a (* b b)) 2.0))))
196.0ms
(cbrt (fma 4.0 (* b b) (pow (fma a a (* b b)) 2.0)))
198.0ms
(cbrt (fma 4.0 (* b b) (pow (fma a a (* b b)) 2.0)))
199.0ms
(cbrt (fma 4.0 (* b b) (pow (fma a a (* b b)) 2.0)))

simplify683.0ms

Counts
93 → 93
Iterations

Useful iterations: 3 (248.0ms)

IterNodesCost
01052580
12062420
25492217
317531816
done50001816

prune297.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (+ (pow a 4) (fma (* (* a a) (* b b)) 2 (pow b 4))) 1.0)
2.6b
(* (* a a) (* b b))

rewrite65.0ms

Algorithm
rewrite-expression-head
Rules
30×pow1
23×*-un-lft-identity
14×add-exp-log pow-prod-down add-cbrt-cube
12×add-sqr-sqrt prod-diff
10×add-cube-cbrt
prod-exp cbrt-unprod
add-log-exp
distribute-lft-out
pow-plus fma-neg pow-prod-up
pow2 expm1-log1p-u diff-log pow-sqr log1p-expm1-u distribute-lft-out--
sub-neg flip3-- associate-*r* associate-*l* associate--l+ sum-log *-commutative flip-- difference-of-squares unswap-sqr
Counts
2 → 66
Calls
2 calls:
48.0ms
(- (+ (pow a 4) (fma (* (* a a) (* b b)) 2 (pow b 4))) 1.0)
14.0ms
(* (* a a) (* b b))

series82.0ms

Counts
2 → 6
Calls
2 calls:
48.0ms
(- (+ (pow a 4) (fma (* (* a a) (* b b)) 2 (pow b 4))) 1.0)
34.0ms
(* (* a a) (* b b))

simplify453.0ms

Counts
72 → 72
Iterations

Useful iterations: done (451.0ms)

IterNodesCost
01111439
12611275
29021091
done50011060

prune140.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(* 4.0 (* b b))
0.0b
(+ (fma (* 2.0 (* a a)) (* b b) (pow b 4)) (* 4.0 (* b b)))
1.0b
(fma (* 2.0 (* a a)) (* b b) (pow b 4))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt *-un-lft-identity add-log-exp
expm1-log1p-u fma-def associate-*l* pow-prod-down prod-exp cbrt-unprod log1p-expm1-u
fma-udef
+-commutative associate-+l+ flip3-+ associate-*r* sum-log *-commutative flip-+ unswap-sqr
Counts
3 → 48
Calls
3 calls:
6.0ms
(* 4.0 (* b b))
4.0ms
(+ (fma (* 2.0 (* a a)) (* b b) (pow b 4)) (* 4.0 (* b b)))
0.0ms
(fma (* 2.0 (* a a)) (* b b) (pow b 4))

series163.0ms

Counts
3 → 9
Calls
3 calls:
27.0ms
(* 4.0 (* b b))
64.0ms
(+ (fma (* 2.0 (* a a)) (* b b) (pow b 4)) (* 4.0 (* b b)))
71.0ms
(fma (* 2.0 (* a a)) (* b b) (pow b 4))

simplify1.5s

Counts
57 → 57
Iterations

Useful iterations: 3 (508.0ms)

IterNodesCost
080825
1194762
2666671
32504619
done5000619

prune139.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes83.0ms

Accuracy

0% (0.5b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 0.5b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01346
11446
done1446

end0.0ms

sample1.1s

Algorithm
intervals
Results
750.0ms20313×body80valid