Details

Time bar (total: 11.9s)

sample146.0ms

Algorithm
intervals
Results
87.0ms102×body1280valid
33.0ms82×body640valid
9.0ms44×body320valid
3.0ms256×pre80true
3.0ms24×body160valid
0.0msbody80valid

simplify5.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0105
1115
2115

prune2.0ms

Filtered
1 candidates to 0 candidates (100.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 62.1b

Counts
2 → 1

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
6.7b
(log (+ 1.0 x))
6.9b
(log (- 1.0 x))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
17×add-sqr-sqrt
16×times-frac
15×pow1 add-cube-cbrt
12×log-pow
log-prod
add-exp-log
log-div
add-cbrt-cube
associate-/r* associate-/l*
add-log-exp
flip3-- div-sub rem-log-exp flip--
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv distribute-lft-out distribute-lft-out-- difference-of-squares
Counts
3 → 69
Calls
3 calls:
6.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
3.0ms
(log (+ 1.0 x))
3.0ms
(log (- 1.0 x))

series232.0ms

Counts
3 → 9
Calls
3 calls:
138.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
49.0ms
(log (+ 1.0 x))
45.0ms
(log (- 1.0 x))

simplify43.0ms

Algorithm
egg-herbie
Counts
78 → 78
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
0421668
11543624
25002599

prune356.0ms

Filtered
78 candidates to 55 candidates (29.5%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New70878
Fresh000
Picked101
Done000
Total71879

Merged error: 59.9b

Counts
79 → 8

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
6.9b
(log (- 1.0 x))

rewrite128.0ms

Algorithm
rewrite-expression-head
Rules
388×add-sqr-sqrt
284×times-frac
212×*-un-lft-identity
114×unpow-prod-down
102×unswap-sqr
91×difference-of-squares
87×add-cube-cbrt
70×unpow2 sqr-pow
68×associate-*r*
58×pow1
57×associate-*r/
55×associate-/r*
53×log-pow
51×distribute-lft-out--
48×associate-*l*
44×associate-/r/
42×frac-sub
40×distribute-lft-out
31×associate-/l*
29×add-exp-log
21×flip3-+ flip-+
10×div-exp prod-exp add-cbrt-cube
clear-num
pow-to-exp pow-exp un-div-inv
log-prod
log-div frac-2neg
flip3-- flip-- add-log-exp
cbrt-undiv div-sub cbrt-unprod div-inv
rem-log-exp pow-prod-down *-commutative
Counts
3 → 363
Calls
3 calls:
70.0ms
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
26.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
3.0ms
(log (- 1.0 x))

series245.0ms

Counts
3 → 9
Calls
3 calls:
140.0ms
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
54.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
50.0ms
(log (- 1.0 x))

simplify88.0ms

Algorithm
egg-herbie
Counts
372 → 372
Iterations

Useful iterations: 1 (34.0ms)

IterNodesCost
016125342
150024993

prune706.0ms

Filtered
372 candidates to 192 candidates (48.4%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New3711372
Fresh257
Picked101
Done000
Total3746380

Merged error: 0.0b

Counts
380 → 6

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

rewrite289.0ms

Algorithm
rewrite-expression-head
Rules
1234×*-un-lft-identity
1061×add-sqr-sqrt
834×times-frac
470×distribute-lft-out--
397×associate-*l*
376×distribute-lft-out
302×difference-of-squares
289×unswap-sqr
256×unpow-prod-down
227×pow1
220×log-pow
176×unpow2 sqr-pow
136×associate-*r*
134×add-cube-cbrt
76×associate-*r/
63×associate-/r*
51×add-exp-log
50×associate-/l*
44×associate-/r/
42×frac-sub
21×flip3-+ flip-+
20×prod-exp
19×div-exp
15×add-cbrt-cube
12×pow-to-exp pow-exp
clear-num
un-div-inv
frac-2neg
cbrt-unprod
cbrt-undiv div-sub div-inv add-log-exp
flip3-- pow-prod-down *-commutative flip-- associate-/l/ associate--r+
+-commutative
Counts
3 → 800
Calls
3 calls:
23.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
23.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
142.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

series242.0ms

Counts
3 → 9
Calls
3 calls:
56.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
53.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
133.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

simplify195.0ms

Algorithm
egg-herbie
Counts
809 → 809
Iterations

Useful iterations: 1 (40.0ms)

IterNodesCost
0179116272
1500115455

prune1.0s

Filtered
809 candidates to 271 candidates (66.5%)
Pruning

5 alts after pruning (5 fresh and 0 done)

PrunedKeptTotal
New8072809
Fresh235
Picked101
Done000
Total8105815

Merged error: 0.0b

Counts
815 → 5

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
0.0b
(cbrt (pow (/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) 3))
0.0b
(pow (/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) 3)

rewrite795.0ms

Algorithm
rewrite-expression-head
Rules
3409×*-un-lft-identity
2708×add-sqr-sqrt
2070×times-frac
1406×unpow-prod-down
1370×distribute-lft-out--
1142×associate-*l*
1096×distribute-lft-out
868×difference-of-squares
748×unswap-sqr
649×pow1
642×log-pow
487×cbrt-prod
384×sqr-pow
382×unpow2
207×add-cube-cbrt
133×associate-*r/
132×associate-/r/
126×frac-sub
87×associate-/r*
77×associate-/l*
68×associate-*r*
63×flip3-+ flip-+
32×add-exp-log
15×clear-num
14×un-div-inv add-cbrt-cube
11×div-exp
10×prod-exp
frac-2neg pow-exp
pow-to-exp
pow-unpow flip3-- flip-- div-inv add-log-exp
cbrt-undiv div-sub
unpow3 rem-cbrt-cube cbrt-unprod associate-/l/ associate--r+ rem-cube-cbrt
+-commutative pow-pow pow1/3 pow-prod-down *-commutative
Counts
4 → 1667
Calls
4 calls:
23.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
140.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
189.0ms
(cbrt (pow (/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) 3))
162.0ms
(pow (/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) 3)

series493.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
130.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
128.0ms
(cbrt (pow (/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) 3))
178.0ms
(pow (/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) 3)

simplify495.0ms

Algorithm
egg-herbie
Counts
1679 → 1679
Iterations

Useful iterations: 1 (63.0ms)

IterNodesCost
0343147269
1500244221

prune1.6s

Filtered
1679 candidates to 343 candidates (79.6%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New167901679
Fresh044
Picked011
Done000
Total167951684

Merged error: 0.0b

Counts
1684 → 5

regimes23.0ms

Accuracy

0% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch0.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02219
12219

end0.0ms

sample4.7s

Algorithm
intervals
Results
3.0s3384×body1280valid
1.0s2513×body640valid
272.0ms1285×body320valid
109.0ms8000×pre80true
71.0ms602×body160valid
11.0ms216×body80valid