Details

Time bar (total: 3.5s)

sample53.0ms

Algorithm
intervals
Results
9.0ms577×pre80true
9.0ms321×body80nan
9.0ms142×body160valid
4.0ms114×body80valid

simplify11.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0229
1439
2839
31109
41189
51189

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.7b

localize14.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* 3.0 a) c)
0.2b
(- (* b b) (* (* 3.0 a) c))
0.4b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
28.7b
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))

rewrite251.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
14×add-exp-log add-cbrt-cube
10×add-sqr-sqrt add-cube-cbrt fma-def add-log-exp
pow1
distribute-rgt-neg-in distribute-lft-out
times-frac associate-/l*
expm1-log1p-u prod-exp cbrt-unprod log1p-expm1-u
distribute-lft-neg-in associate-*r* pow-prod-down
cbrt-undiv neg-sub0 associate-+l- flip3-+ div-exp sum-log flip-+ associate-/l/
+-commutative neg-mul-1 sub-neg flip3-- frac-2neg fma-neg diff-log div-sub associate-*l* prod-diff neg-log clear-num associate-/r* *-commutative flip-- div-inv
Counts
4 → 93
Calls
4 calls:
17.0ms
(* (* 3.0 a) c)
8.0ms
(- (* b b) (* (* 3.0 a) c))
199.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
22.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))

series228.0ms

Counts
4 → 12
Calls
4 calls:
18.0ms
(* (* 3.0 a) c)
43.0ms
(- (* b b) (* (* 3.0 a) c))
96.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
71.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))

simplify59.0ms

Algorithm
egg-herbie
Counts
105 → 105
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
0449785
12075672
25002663

prune260.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 9.7b

localize3.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify5.0ms

Algorithm
egg-herbie
Counts
0 → 0
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
000

prune31.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 9.7b

localize8.0ms

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)) (* 3.0 a))

rewrite53.0ms

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:
9.0ms
(/ (* a c) b)
19.0ms
(* -1.5 (/ (* a c) b))
22.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

series63.0ms

Counts
3 → 9
Calls
3 calls:
20.0ms
(/ (* a c) b)
24.0ms
(* -1.5 (/ (* a c) b))
19.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

simplify57.0ms

Algorithm
egg-herbie
Counts
93 → 93
Iterations

Useful iterations: 1 (12.0ms)

IterNodesCost
0383531
12513389
25002389

prune186.0ms

Pruning

26 alts after pruning (26 fresh and 0 done)

Merged error: 9.6b

localize7.0ms

Local error

Found 2 expressions with local error:

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

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
55×add-exp-log add-cbrt-cube
23×prod-exp cbrt-unprod
16×cbrt-undiv div-exp
13×associate-*r*
10×times-frac
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1
pow-prod-down
expm1-log1p-u associate-*r/ log1p-expm1-u div-inv add-log-exp
frac-2neg associate-*l* clear-num associate-/r* *-commutative associate-/l/ associate-/l*
Counts
2 → 71
Calls
2 calls:
27.0ms
(/ (* (* a -1.5) (/ c b)) (* 3.0 a))
22.0ms
(* (* a -1.5) (/ c b))

series46.0ms

Counts
2 → 6
Calls
2 calls:
18.0ms
(/ (* (* a -1.5) (/ c b)) (* 3.0 a))
27.0ms
(* (* a -1.5) (/ c b))

simplify70.0ms

Algorithm
egg-herbie
Counts
77 → 77
Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
0436520
12966364
25002364

prune96.0ms

Pruning

28 alts after pruning (28 fresh and 0 done)

Merged error: 9.6b

regimes572.0ms

Accuracy

44.2% (7.6b remaining)

Error of 16.7b against oracle of 9.0b and baseline of 22.7b

bsearch3.0ms

Steps
ItersRangePoint
0
5854.207876240706
6041.5596520841
5947.883764162403

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02418
12418

end0.0ms

sample1.4s

Algorithm
intervals
Results
286.0ms4506×body160valid
272.0ms16473×pre80true
254.0ms8473×body80nan
111.0ms3494×body80valid