Details

Time bar (total: 8.5s)

sample20.0ms

Algorithm
intervals
Results
9.0ms314×body80valid

simplify18.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0155
1255
2415
3635
4805
5965
61135
71215
81245
91245

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 4.6b

Counts
2 → 1

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ t (- 1.0 z))
0.0b
(- (/ y z) (/ t (- 1.0 z)))
4.4b
(* x (- (/ y z) (/ t (- 1.0 z))))

rewrite167.0ms

Algorithm
rewrite-expression-head
Rules
1192×times-frac
1082×add-sqr-sqrt
1078×*-un-lft-identity
819×prod-diff
814×add-cube-cbrt
275×distribute-rgt-in distribute-lft-in
129×distribute-lft-out-- difference-of-squares
104×div-inv
80×associate-/r/
42×flip3-- flip--
13×fma-neg
10×associate-*r*
add-exp-log add-cbrt-cube
pow1 associate-/r* add-log-exp
expm1-log1p-u sub-neg associate-*r/ associate-*l* log1p-expm1-u associate-/l*
frac-sub
cbrt-undiv frac-2neg diff-log div-exp pow-prod-down prod-exp clear-num *-commutative cbrt-unprod unswap-sqr
Counts
3 → 927
Calls
3 calls:
5.0ms
(/ t (- 1.0 z))
29.0ms
(- (/ y z) (/ t (- 1.0 z)))
43.0ms
(* x (- (/ y z) (/ t (- 1.0 z))))

series118.0ms

Counts
3 → 9
Calls
3 calls:
34.0ms
(/ t (- 1.0 z))
32.0ms
(- (/ y z) (/ t (- 1.0 z)))
52.0ms
(* x (- (/ y z) (/ t (- 1.0 z))))

simplify247.0ms

Algorithm
egg-herbie
Counts
936 → 936
Iterations

Useful iterations: 1 (39.0ms)

IterNodesCost
0166127825
1500122260

prune1.5s

Filtered
936 candidates to 376 candidates (40.2%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New92511936
Fresh000
Picked101
Done000
Total92611937

Merged error: 0.5b

Counts
937 → 11

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ t (- 1.0 z))
0.0b
(/ t (- 1.0 z))
0.1b
(fma y (/ 1 z) (- (* (/ t (- 1.0 z)) 1)))
4.4b
(* x (+ (fma y (/ 1 z) (- (* (/ t (- 1.0 z)) 1))) (* (/ t (- 1.0 z)) (+ (- 1) 1))))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
42×*-un-lft-identity
30×times-frac
26×add-cube-cbrt
10×add-exp-log associate-/r* add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1 associate-/l*
expm1-log1p-u associate-/r/ log1p-expm1-u add-log-exp
associate-*r* associate-*l*
cbrt-undiv flip3-- frac-2neg associate-*r/ div-exp clear-num flip-- div-inv
distribute-rgt-in distribute-lft-in flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ fma-udef unswap-sqr
Counts
4 → 112
Calls
4 calls:
5.0ms
(/ t (- 1.0 z))
5.0ms
(/ t (- 1.0 z))
1.0ms
(fma y (/ 1 z) (- (* (/ t (- 1.0 z)) 1)))
5.0ms
(* x (+ (fma y (/ 1 z) (- (* (/ t (- 1.0 z)) 1))) (* (/ t (- 1.0 z)) (+ (- 1) 1))))

series167.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(/ t (- 1.0 z))
36.0ms
(/ t (- 1.0 z))
43.0ms
(fma y (/ 1 z) (- (* (/ t (- 1.0 z)) 1)))
56.0ms
(* x (+ (fma y (/ 1 z) (- (* (/ t (- 1.0 z)) 1))) (* (/ t (- 1.0 z)) (+ (- 1) 1))))

simplify56.0ms

Algorithm
egg-herbie
Counts
124 → 124
Iterations

Useful iterations: 2 (45.0ms)

IterNodesCost
0387969
11798870
25003827

prune336.0ms

Filtered
124 candidates to 98 candidates (79.0%)
Pruning

11 alts after pruning (10 fresh and 1 done)

PrunedKeptTotal
New1222124
Fresh2810
Picked011
Done000
Total12411135

Merged error: 0.0b

Counts
135 → 11

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- 1.0 z) t)
0.0b
(- (/ y z) (/ 1 (/ (- 1.0 z) t)))
0.2b
(/ 1 (/ (- 1.0 z) t))
4.4b
(* x (- (/ y z) (/ 1 (/ (- 1.0 z) t))))

rewrite571.0ms

Algorithm
rewrite-expression-head
Rules
5831×times-frac
4016×add-sqr-sqrt
3970×*-un-lft-identity
3214×add-cube-cbrt
2418×prod-diff
808×distribute-rgt-in distribute-lft-in
387×difference-of-squares
373×distribute-lft-out--
351×div-inv
40×associate-/r/
22×associate-/r*
19×add-exp-log
16×associate-*r*
13×fma-neg add-cbrt-cube
div-exp associate-/l*
pow1
add-log-exp
cbrt-undiv expm1-log1p-u log1p-expm1-u
sub-neg flip3-- associate-*r/ associate-*l* flip--
rec-exp frac-2neg 1-exp clear-num frac-sub associate-/l/
pow-flip diff-log div-sub pow-prod-down prod-exp *-commutative cbrt-unprod inv-pow unswap-sqr
Counts
4 → 2641
Calls
4 calls:
7.0ms
(/ (- 1.0 z) t)
64.0ms
(- (/ y z) (/ 1 (/ (- 1.0 z) t)))
8.0ms
(/ 1 (/ (- 1.0 z) t))
112.0ms
(* x (- (/ y z) (/ 1 (/ (- 1.0 z) t))))

series151.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(/ (- 1.0 z) t)
34.0ms
(- (/ y z) (/ 1 (/ (- 1.0 z) t)))
34.0ms
(/ 1 (/ (- 1.0 z) t))
46.0ms
(* x (- (/ y z) (/ 1 (/ (- 1.0 z) t))))

simplify1.2s

Algorithm
egg-herbie
Counts
2653 → 2653
Iterations

Useful iterations: 1 (104.0ms)

IterNodesCost
04305107328
1500189169

prune1.7s

Filtered
2653 candidates to 451 candidates (17.0%)
Pruning

11 alts after pruning (9 fresh and 2 done)

PrunedKeptTotal
New265212653
Fresh189
Picked011
Done011
Total2653112664

Merged error: 0.0b

Counts
2664 → 11

localize20.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt t)
0.7b
(pow (cbrt t) 3)
3.1b
(* x (/ (- (pow (cbrt t) 3)) (- 1.0 z)))
6.0b
(* x (/ y z))

rewrite125.0ms

Algorithm
rewrite-expression-head
Rules
219×associate-*r*
211×times-frac
205×add-sqr-sqrt
195×*-un-lft-identity
115×add-cube-cbrt
90×distribute-lft-neg-in distribute-rgt-neg-in
69×cbrt-prod
66×unpow-prod-down cube-prod
40×distribute-lft-out-- difference-of-squares
15×add-exp-log
14×add-cbrt-cube
11×cube-mult unpow3 sqr-pow
pow1
associate-*l*
neg-mul-1
expm1-log1p-u prod-exp cbrt-unprod log1p-expm1-u add-log-exp unswap-sqr
pow-unpow
cbrt-undiv pow-pow pow1/3 associate-*r/ div-exp pow-prod-down associate-/r/ *-commutative div-inv
pow-to-exp flip3-- distribute-frac-neg pow-exp distribute-rgt-neg-out flip-- rem-cube-cbrt
Counts
4 → 307
Calls
4 calls:
1.0ms
(cbrt t)
4.0ms
(pow (cbrt t) 3)
88.0ms
(* x (/ (- (pow (cbrt t) 3)) (- 1.0 z)))
9.0ms
(* x (/ y z))

series460.0ms

Counts
4 → 12
Calls
4 calls:
165.0ms
(cbrt t)
202.0ms
(pow (cbrt t) 3)
73.0ms
(* x (/ (- (pow (cbrt t) 3)) (- 1.0 z)))
19.0ms
(* x (/ y z))

simplify48.0ms

Algorithm
egg-herbie
Counts
319 → 319
Iterations

Useful iterations: 1 (27.0ms)

IterNodesCost
011011688
150021442

prune712.0ms

Filtered
319 candidates to 162 candidates (50.8%)
Pruning

11 alts after pruning (10 fresh and 1 done)

PrunedKeptTotal
New3163319
Fresh178
Picked101
Done112
Total31911330

Merged error: 0b

Counts
330 → 11

regimes300.0ms

Accuracy

86.6% (0.6b remaining)

Error of 0.7b against oracle of 0.0b and baseline of 4.7b

bsearch2.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
06066
17166
27166

end0.0ms

sample588.0ms

Algorithm
intervals
Results
320.0ms10059×body80valid