Details

Time bar (total: 56.3s)

sample119.0ms

Algorithm
intervals
Results
23.0ms148×body160valid
22.0ms286×body80nan
20.0ms542×pre80true
14.0ms59×body320valid
4.0ms49×body80valid

simplify238.0ms

Counts
1 → 1
Iterations
IterNodes
done102
7102
6101
599
491
375
240
122
012

prune19.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 46.9b

localize37.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (* b b) (* (* a 3.0) c))
0.2b
(* (* a 3.0) c)
0.3b
(/ (- (sqrt (- (* b b) (* (* a 3.0) c))) b) (* a 3.0))
38.9b
(- (sqrt (- (* b b) (* (* a 3.0) c))) b)

rewrite352.0ms

Algorithm
rewrite-expression-head
Rules
33×add-sqr-sqrt
27×*-un-lft-identity
21×add-cube-cbrt
19×prod-diff
15×sqrt-prod
14×add-exp-log add-cbrt-cube
pow1
add-log-exp
fma-neg
times-frac associate-/l* difference-of-squares
expm1-log1p-u prod-exp cbrt-unprod log1p-expm1-u
flip3-- associate-*r* pow-prod-down flip-- distribute-lft-out--
cbrt-undiv sub-neg diff-log div-exp associate-/l/
frac-2neg div-sub associate-*l* clear-num associate-/r* *-commutative div-inv
Counts
4 → 109
Calls
4 calls:
19.0ms
(- (* b b) (* (* a 3.0) c))
37.0ms
(* (* a 3.0) c)
180.0ms
(/ (- (sqrt (- (* b b) (* (* a 3.0) c))) b) (* a 3.0))
109.0ms
(- (sqrt (- (* b b) (* (* a 3.0) c))) b)

series511.0ms

Counts
4 → 12
Calls
4 calls:
97.0ms
(- (* b b) (* (* a 3.0) c))
38.0ms
(* (* a 3.0) c)
221.0ms
(/ (- (sqrt (- (* b b) (* (* a 3.0) c))) b) (* a 3.0))
155.0ms
(- (sqrt (- (* b b) (* (* a 3.0) c))) b)

simplify3.2s

Counts
121 → 121
Iterations
IterNodes
done5006
21864
1541
0202

prune943.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 4.2b

localize10.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
done0
00

prune154.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 4.2b

localize53.0ms

Local error

Found 3 expressions with local error:

0.3b
(/ (* a c) b)
0.3b
(* -1.5 (/ (* a c) b))
0.4b
(/ (* -1.5 (/ (* a c) b)) (* a 3.0))

rewrite98.0ms

Algorithm
rewrite-expression-head
Rules
49×add-exp-log add-cbrt-cube
17×prod-exp cbrt-unprod
16×cbrt-undiv div-exp
10×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
times-frac associate-*r*
pow1
associate-/r*
expm1-log1p-u associate-*l* log1p-expm1-u div-inv add-log-exp
frac-2neg associate-*r/ clear-num associate-/l*
pow-prod-down *-commutative associate-/l/ unswap-sqr
Counts
3 → 84
Calls
3 calls:
20.0ms
(/ (* a c) b)
32.0ms
(* -1.5 (/ (* a c) b))
38.0ms
(/ (* -1.5 (/ (* a c) b)) (* a 3.0))

series161.0ms

Counts
3 → 9
Calls
3 calls:
35.0ms
(/ (* a c) b)
49.0ms
(* -1.5 (/ (* a c) b))
77.0ms
(/ (* -1.5 (/ (* a c) b)) (* a 3.0))

simplify2.9s

Counts
93 → 93
Iterations
IterNodes
done5085
22286
1385
0129

prune910.0ms

Pruning

28 alts after pruning (27 fresh and 1 done)

Merged error: 4.1b

localize116.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* (* a a) a) (* (* c c) c))
0.4b
(/ (* (* (* a a) a) (* (* c c) c)) (* (* b b) b))
0.4b
(/ (* (* (* -1.5 -1.5) -1.5) (/ (* (* (* a a) a) (* (* c c) c)) (* (* b b) b))) (* (* (* a a) a) (* (* 3.0 3.0) 3.0)))
0.6b
(cbrt (/ (* (* (* -1.5 -1.5) -1.5) (/ (* (* (* a a) a) (* (* c c) c)) (* (* b b) b))) (* (* (* a a) a) (* (* 3.0 3.0) 3.0))))

rewrite3.4s

Algorithm
rewrite-expression-head
Rules
10719×add-exp-log add-cbrt-cube
7866×prod-exp cbrt-unprod
1870×cbrt-undiv div-exp
128×pow1
52×pow-prod-down
40×pow-plus pow-prod-up
pow2 pow-sqr
cbrt-prod add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u log1p-expm1-u add-log-exp
times-frac div-inv
frac-2neg pow3 clear-num associate-/r* associate-/l*
cbrt-div pow1/3 associate-*r/ associate-*r* associate-*l* *-commutative associate-/l/
Counts
4 → 2051
Calls
4 calls:
221.0ms
(* (* (* a a) a) (* (* c c) c))
266.0ms
(/ (* (* (* a a) a) (* (* c c) c)) (* (* b b) b))
983.0ms
(/ (* (* (* -1.5 -1.5) -1.5) (/ (* (* (* a a) a) (* (* c c) c)) (* (* b b) b))) (* (* (* a a) a) (* (* 3.0 3.0) 3.0)))
946.0ms
(cbrt (/ (* (* (* -1.5 -1.5) -1.5) (/ (* (* (* a a) a) (* (* c c) c)) (* (* b b) b))) (* (* (* a a) a) (* (* 3.0 3.0) 3.0))))

series667.0ms

Counts
4 → 12
Calls
4 calls:
134.0ms
(* (* (* a a) a) (* (* c c) c))
184.0ms
(/ (* (* (* a a) a) (* (* c c) c)) (* (* b b) b))
202.0ms
(/ (* (* (* -1.5 -1.5) -1.5) (/ (* (* (* a a) a) (* (* c c) c)) (* (* b b) b))) (* (* (* a a) a) (* (* 3.0 3.0) 3.0)))
147.0ms
(cbrt (/ (* (* (* -1.5 -1.5) -1.5) (/ (* (* (* a a) a) (* (* c c) c)) (* (* b b) b))) (* (* (* a a) a) (* (* 3.0 3.0) 3.0))))

simplify34.9s

Counts
2063 → 2063
Iterations
IterNodes
done5004
12178
01393

prune1.1s

Pruning

35 alts after pruning (34 fresh and 1 done)

Merged error: 4.1b

regimes1.4s

Accuracy

14.9% (6.0b remaining)

Error of 11.1b against oracle of 5.1b and baseline of 12.2b

bsearch61.0ms

Steps
ItersRangePoint
3
8.811935278252425e-05
0.00011572818137097542
8.984490456930244e-05

simplify10.0ms

Iterations
IterNodes
done28
128
022

end0.0ms

sample5.0s

Algorithm
intervals
Results
1.4s16304×pre80true
1.1s4842×body160valid
974.0ms8304×body80nan
485.0ms1827×body80valid
328.0ms1331×body320valid