Details

Time bar (total: 24.5s)

sample82.0ms

Algorithm
intervals
Results
57.0ms656×body80valid

simplify5.7s

Counts
1 → 1
Iterations

Useful iterations: 2 (59.0ms)

IterNodesCost
01931
15529
217828
354528
4167228
5479728
done500028

prune14.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a))))))
0.1b
(* (* a a) (+ 1.0 a))
0.3b
(pow (+ (* a a) (* b b)) 2.0)
0.4b
(* (* b b) (- 1.0 (* 3.0 a)))

rewrite210.0ms

Algorithm
rewrite-expression-head
Rules
15×pow1 add-exp-log
14×add-sqr-sqrt *-un-lft-identity add-cbrt-cube
12×add-cube-cbrt
distribute-rgt-in fma-def distribute-lft-in associate-*r*
unpow-prod-down prod-diff pow-prod-down prod-exp cbrt-unprod add-log-exp
expm1-log1p-u associate-*r/ log1p-expm1-u
pow-unpow
sub-neg associate-+r+ flip3-+ associate-*l* *-commutative flip-+ unswap-sqr sqr-pow
+-commutative pow-to-exp flip3-- pow-pow pow-exp sum-log flip-- distribute-lft-out
Counts
4 → 100
Calls
4 calls:
91.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a))))))
52.0ms
(* (* a a) (+ 1.0 a))
11.0ms
(pow (+ (* a a) (* b b)) 2.0)
50.0ms
(* (* b b) (- 1.0 (* 3.0 a)))

series518.0ms

Counts
4 → 12
Calls
4 calls:
205.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a))))))
89.0ms
(* (* a a) (+ 1.0 a))
155.0ms
(pow (+ (* a a) (* b b)) 2.0)
68.0ms
(* (* b b) (- 1.0 (* 3.0 a)))

simplify1.9s

Counts
112 → 112
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02011802
15401621
220541446
done50001435

prune649.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma 2 (* a a) (* b b))
0.2b
(fma (* b b) (fma 2 (* a a) (* b b)) (pow a 4))

rewrite2.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube fma-udef log1p-expm1-u add-log-exp
Counts
2 → 20
Calls
2 calls:
1.0ms
(fma 2 (* a a) (* b b))
1.0ms
(fma (* b b) (fma 2 (* a a) (* b b)) (pow a 4))

series175.0ms

Counts
2 → 6
Calls
2 calls:
65.0ms
(fma 2 (* a a) (* b b))
110.0ms
(fma (* b b) (fma 2 (* a a) (* b b)) (pow a 4))

simplify3.4s

Counts
26 → 26
Iterations

Useful iterations: 2 (64.0ms)

IterNodesCost
040395
174392
2186340
3647340
43436340
done5000340

prune172.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize53.0ms

Local error

Found 4 expressions with local error:

0.0b
(- 1.0 (* 3.0 a))
0.1b
(* (* a a) (+ 1.0 a))
0.4b
(* (* b b) (- 1.0 (* 3.0 a)))
2.3b
(* (pow a 2) (pow b 2))

rewrite153.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt
26×add-exp-log
18×unswap-sqr
16×*-un-lft-identity add-cbrt-cube
15×associate-*r* prod-exp
14×pow1 add-cube-cbrt unpow-prod-down
10×associate-*l* unpow2 sqr-pow
prod-diff
pow-prod-down cbrt-unprod
distribute-rgt-in pow-to-exp distribute-lft-in pow-exp add-log-exp
expm1-log1p-u associate-*r/ log1p-expm1-u
sub-neg fma-neg *-commutative
flip3-- flip--
flip3-+ diff-log flip-+ distribute-lft-out
Counts
4 → 132
Calls
4 calls:
13.0ms
(- 1.0 (* 3.0 a))
46.0ms
(* (* a a) (+ 1.0 a))
52.0ms
(* (* b b) (- 1.0 (* 3.0 a)))
37.0ms
(* (pow a 2) (pow b 2))

series286.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(- 1.0 (* 3.0 a))
84.0ms
(* (* a a) (+ 1.0 a))
89.0ms
(* (* b b) (- 1.0 (* 3.0 a)))
49.0ms
(* (pow a 2) (pow b 2))

simplify1.8s

Counts
144 → 144
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02031642
15031513
217601249
done50001225

prune769.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (pow (/ -1 a) -4.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a))))))
0.1b
(* (* a a) (+ 1.0 a))
0.3b
(pow (/ -1 a) -4.0)
0.4b
(* (* b b) (- 1.0 (* 3.0 a)))

rewrite164.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt unpow-prod-down *-un-lft-identity
24×add-cube-cbrt
18×times-frac
17×add-exp-log fma-def
15×pow1
14×add-cbrt-cube
distribute-rgt-in distribute-lft-in associate-*r*
prod-diff pow-prod-down prod-exp cbrt-unprod add-log-exp
expm1-log1p-u associate-*r/ log1p-expm1-u
pow-unpow
sub-neg associate-+r+ flip3-+ associate-*l* pow-exp *-commutative flip-+ div-inv unswap-sqr sqr-pow
+-commutative pow-to-exp flip3-- pow-pow div-exp sum-log flip-- distribute-lft-out
Counts
4 → 121
Calls
4 calls:
57.0ms
(+ (pow (/ -1 a) -4.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a))))))
49.0ms
(* (* a a) (+ 1.0 a))
7.0ms
(pow (/ -1 a) -4.0)
46.0ms
(* (* b b) (- 1.0 (* 3.0 a)))

series667.0ms

Counts
4 → 12
Calls
4 calls:
161.0ms
(+ (pow (/ -1 a) -4.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a))))))
96.0ms
(* (* a a) (+ 1.0 a))
328.0ms
(pow (/ -1 a) -4.0)
81.0ms
(* (* b b) (- 1.0 (* 3.0 a)))

simplify1.9s

Counts
133 → 133
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02411768
16231652
221631462
done50001450

prune690.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.0b

regimes306.0ms

Accuracy

35.7% (1.5b remaining)

Error of 1.5b against oracle of 0.0b and baseline of 2.3b

bsearch341.0ms

Steps
ItersRangePoint
7
3.744599964535267e-06
8.937283511995443e-05
8.82997045828262e-05
10
-50.53194642688064
-2.0220103258854106e-10
-0.0031084792160490805

simplify6.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
039144
15094
done5094

end0.0ms

sample4.5s

Algorithm
intervals
Results
3.9s20728×body80valid