Details

Time bar (total: 9.7s)

sample40.0ms

Algorithm
intervals
Results
25.0ms622×body80valid

simplify3.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01217
12517
23917
36317
410917
524517
681517
7374717
done500017

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize14.0ms

Local error

Found 4 expressions with local error:

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

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
10×pow1 add-exp-log
add-cbrt-cube
add-sqr-sqrt add-log-exp
add-cube-cbrt *-un-lft-identity
unpow-prod-down pow-unpow associate-*l* pow-prod-down prod-exp cbrt-unprod
+-commutative flip3-+ sum-log flip-+
pow-to-exp pow-pow associate-*r* pow-exp *-commutative unswap-sqr sqr-pow
Counts
4 → 58
Calls
4 calls:
24.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
6.0ms
(* 4.0 (* b b))
2.0ms
(+ (* a a) (* b b))
4.0ms
(pow (+ (* a a) (* b b)) 2.0)

series219.0ms

Counts
4 → 12
Calls
4 calls:
65.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
26.0ms
(* 4.0 (* b b))
27.0ms
(+ (* a a) (* b b))
101.0ms
(pow (+ (* a a) (* b b)) 2.0)

simplify2.0s

Counts
70 → 70
Iterations

Useful iterations: 2 (119.0ms)

IterNodesCost
0117931
1318838
21047778
34056778
done5000778

prune167.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (pow a 4) (+ (pow b 4) (* 2 (* (pow a 2) (pow b 2)))))
0.0b
(* 2 (* (pow a 2) (pow b 2)))
2.8b
(* (pow a 2) (pow b 2))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
38×add-exp-log
28×prod-exp
24×add-sqr-sqrt
16×unswap-sqr
14×unpow-prod-down
12×pow-to-exp pow-exp
11×associate-*l*
10×*-un-lft-identity add-cbrt-cube unpow2 sqr-pow
associate-*r*
add-cube-cbrt add-log-exp
pow1
cbrt-unprod
sum-log
pow-prod-down *-commutative
+-commutative associate-+r+ flip3-+ flip-+ distribute-lft-out
Counts
3 → 90
Calls
3 calls:
20.0ms
(+ (pow a 4) (+ (pow b 4) (* 2 (* (pow a 2) (pow b 2)))))
10.0ms
(* 2 (* (pow a 2) (pow b 2)))
9.0ms
(* (pow a 2) (pow b 2))

series117.0ms

Counts
3 → 9
Calls
3 calls:
48.0ms
(+ (pow a 4) (+ (pow b 4) (* 2 (* (pow a 2) (pow b 2)))))
37.0ms
(* 2 (* (pow a 2) (pow b 2)))
31.0ms
(* (pow a 2) (pow b 2))

simplify790.0ms

Counts
99 → 99
Iterations

Useful iterations: done (787.0ms)

IterNodesCost
01321357
13301202
213191010
done50001006

prune193.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
0.3b
(pow (+ (* a a) (* b b)) (* 2 2.0))
0.3b
(pow (+ (* a a) (* b b)) 2.0)
36.2b
(/ (- (pow (+ (* a a) (* b b)) (* 2 2.0)) (* (* 4.0 4.0) (pow b 4))) (- (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b))))

rewrite134.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log
pow1 unpow-prod-down add-cbrt-cube add-log-exp
pow-unpow
flip3-- associate-/r* flip-- associate-/l*
pow-to-exp pow-pow pow-exp associate-/r/ associate-/l/ sqr-pow
cbrt-undiv sub-neg frac-2neg diff-log div-sub div-exp clear-num div-inv
Counts
4 → 76
Calls
4 calls:
33.0ms
(- (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
4.0ms
(pow (+ (* a a) (* b b)) (* 2 2.0))
4.0ms
(pow (+ (* a a) (* b b)) 2.0)
91.0ms
(/ (- (pow (+ (* a a) (* b b)) (* 2 2.0)) (* (* 4.0 4.0) (pow b 4))) (- (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b))))

series468.0ms

Counts
4 → 12
Calls
4 calls:
65.0ms
(- (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
98.0ms
(pow (+ (* a a) (* b b)) (* 2 2.0))
99.0ms
(pow (+ (* a a) (* b b)) 2.0)
206.0ms
(/ (- (pow (+ (* a a) (* b b)) (* 2 2.0)) (* (* 4.0 4.0) (pow b 4))) (- (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b))))

simplify581.0ms

Counts
88 → 88
Iterations

Useful iterations: 2 (167.0ms)

IterNodesCost
01632681
14082575
214282371
done50002371

prune292.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes45.0ms

Accuracy

0% (1.0b remaining)

Error of 1.0b against oracle of 0.0b and baseline of 1.0b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01419
11819
done1819

end0.0ms

sample1.1s

Algorithm
intervals
Results
745.0ms20276×body80valid