Details

Time bar (total: 8.9s)

sample183.0ms

Algorithm
intervals
Results
113.0ms107×body1280valid
40.0ms77×body640valid
11.0ms43×body320valid
5.0ms256×pre80true
3.0ms22×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 (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 61.7b

Counts
2 → 1

localize6.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
6.4b
(log (+ 1.0 x))
6.4b
(log (- 1.0 x))

rewrite14.0ms

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*
expm1-log1p-u log1p-expm1-u 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 → 75
Calls
3 calls:
6.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
3.0ms
(log (+ 1.0 x))
4.0ms
(log (- 1.0 x))

series212.0ms

Counts
3 → 9
Calls
3 calls:
127.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
40.0ms
(log (+ 1.0 x))
45.0ms
(log (- 1.0 x))

simplify45.0ms

Algorithm
egg-herbie
Counts
84 → 84
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
0452686
11669638
25001623

prune179.0ms

Filtered
84 candidates to 61 candidates (72.6%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New79584
Fresh000
Picked011
Done000
Total79685

Merged error: 59.4b

Counts
85 → 6

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(/ (log (- 1.0 x)) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))
6.4b
(log (- 1.0 x))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
92×times-frac
83×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
49×*-un-lft-identity
47×add-cube-cbrt
29×add-exp-log
24×unpow2 sqr-pow
17×unswap-sqr
10×pow1 div-exp prod-exp add-cbrt-cube
pow-to-exp pow-exp
log-prod log-pow
log-div associate-/l*
expm1-log1p-u associate-*l* associate-/r* log1p-expm1-u add-log-exp
cbrt-undiv flip3-- div-sub flip-- cbrt-unprod div-inv
frac-2neg associate-*r/ rem-log-exp pow-prod-down clear-num *-commutative distribute-lft-out-- difference-of-squares
Counts
3 → 165
Calls
3 calls:
20.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
6.0ms
(/ (log (- 1.0 x)) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))
4.0ms
(log (- 1.0 x))

series264.0ms

Counts
3 → 9
Calls
3 calls:
49.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
167.0ms
(/ (log (- 1.0 x)) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))
47.0ms
(log (- 1.0 x))

simplify91.0ms

Algorithm
egg-herbie
Counts
174 → 174
Iterations

Useful iterations: 1 (21.0ms)

IterNodesCost
09281453
138371286
250011286

prune425.0ms

Filtered
174 candidates to 116 candidates (66.7%)
Pruning

3 alts after pruning (3 fresh and 0 done)

PrunedKeptTotal
New1731174
Fresh224
Picked101
Done101
Total1773180

Merged error: 0.0b

Counts
180 → 3

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))))) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
178×times-frac
158×add-sqr-sqrt
136×associate-*r*
112×unpow-prod-down
94×*-un-lft-identity
82×add-cube-cbrt
51×add-exp-log
48×unpow2 sqr-pow
34×unswap-sqr
20×prod-exp
19×div-exp
15×add-cbrt-cube
12×pow-to-exp pow-exp
11×pow1
distribute-lft-out--
associate-*l* associate-/l*
log-pow cbrt-unprod difference-of-squares
cbrt-undiv expm1-log1p-u associate-/r* log1p-expm1-u div-inv add-log-exp
associate-*r/ pow-prod-down *-commutative associate-/l/
flip3-- frac-2neg div-sub clear-num flip--
Counts
3 → 268
Calls
3 calls:
21.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
20.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
9.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))

series258.0ms

Counts
3 → 9
Calls
3 calls:
54.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
80.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
124.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))

simplify89.0ms

Algorithm
egg-herbie
Counts
277 → 277
Iterations

Useful iterations: 2 (62.0ms)

IterNodesCost
07532429
131742138
250012135

prune650.0ms

Filtered
277 candidates to 173 candidates (62.5%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New2752277
Fresh022
Picked011
Done000
Total2755280

Merged error: 0.0b

Counts
280 → 5

localize16.0ms

Local error

Found 4 expressions with local error:

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

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
170×times-frac
157×add-sqr-sqrt
139×*-un-lft-identity
100×unpow-prod-down
91×add-cube-cbrt
68×associate-*r*
50×cbrt-prod
44×cube-prod
32×add-exp-log distribute-lft-out--
26×sqr-pow
24×unpow2
23×pow1
17×unswap-sqr
16×log-pow difference-of-squares
14×add-cbrt-cube
11×div-exp
10×prod-exp
pow-exp
pow-to-exp
div-inv associate-/l*
expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv pow-unpow associate-*l* associate-/r*
cube-div cube-mult unpow3 cbrt-unprod associate-/l/ rem-cube-cbrt
cbrt-div flip3-- pow-pow frac-2neg pow1/3 div-sub associate-*r/ pow-prod-down clear-num *-commutative flip-- rem-cbrt-cube
Counts
4 → 284
Calls
4 calls:
19.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
13.0ms
(cbrt (pow (/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))) 3))
9.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))
9.0ms
(pow (/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))) 3)

series507.0ms

Counts
4 → 12
Calls
4 calls:
55.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
149.0ms
(cbrt (pow (/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))) 3))
128.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))
175.0ms
(pow (/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))) 3)

simplify149.0ms

Algorithm
egg-herbie
Counts
296 → 296
Iterations

Useful iterations: 1 (25.0ms)

IterNodesCost
010715491
148925180
250015180

prune694.0ms

Filtered
296 candidates to 157 candidates (53.0%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New2951296
Fresh123
Picked101
Done011
Total2974301

Merged error: 0.0b

Counts
301 → 4

regimes25.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02320
12320

end0.0ms

sample4.9s

Algorithm
intervals
Results
3.1s3386×body1280valid
1.1s2470×body640valid
295.0ms1271×body320valid
137.0ms8000×pre80true
90.0ms666×body160valid
14.0ms207×body80valid