Details

Time bar (total: 10.4s)

sample69.0ms

Algorithm
intervals
Results
21.0ms47×body1280valid
14.0ms139×body80valid
14.0ms44×body640valid
4.0ms16×body320valid
2.0ms10×body160valid

simplify49.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
03413
17513
213913
320713
437513
5136413
6500213

prune3.0ms

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: 19.1b

Counts
2 → 1

localize16.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
0.2b
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
8.5b
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
9.4b
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

rewrite123.0ms

Algorithm
rewrite-expression-head
Rules
186×add-sqr-sqrt
142×associate-*l*
135×times-frac
98×*-un-lft-identity
94×add-cube-cbrt
74×unpow-prod-down
55×associate-*r*
47×unswap-sqr
32×add-exp-log
22×associate-/r* add-cbrt-cube
17×*-commutative
15×pow1
12×prod-exp
11×sqrt-prod
cbrt-unprod
div-exp pow-prod-down hypot-def
expm1-log1p-u sqrt-div pow-exp log1p-expm1-u add-log-exp
cbrt-undiv pow-unpow associate-/l*
flip3-+ associate-*r/ flip-+ div-inv distribute-lft-out sqr-pow
pow-to-exp rem-sqrt-square pow-pow frac-2neg sqrt-pow1 pow1/2 clear-num
Counts
4 → 278
Calls
4 calls:
13.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
17.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
44.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
30.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

series577.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
138.0ms
(pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)
200.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0))))
146.0ms
(sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))

simplify70.0ms

Algorithm
egg-herbie
Counts
290 → 290
Iterations

Useful iterations: 1 (32.0ms)

IterNodesCost
012803241
150023114

prune795.0ms

Filtered
290 candidates to 218 candidates (24.8%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New2828290
Fresh000
Picked101
Done000
Total2838291

Merged error: 8.8b

Counts
291 → 8

localize17.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* 2.0 J) (cos (/ K 2.0)))
0.1b
(* (* -2.0 J) (cos (/ K 2.0)))
0.1b
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
8.5b
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
127×associate-*l*
119×add-sqr-sqrt
66×times-frac
61×add-cube-cbrt *-un-lft-identity
45×associate-*r*
34×unswap-sqr
32×add-exp-log add-cbrt-cube
23×pow1
22×associate-/r*
15×prod-exp *-commutative cbrt-unprod
12×pow-prod-down
expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv div-exp associate-/l*
frac-2neg clear-num div-inv
Counts
4 → 222
Calls
4 calls:
12.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
8.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
14.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
14.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

series710.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(* (* 2.0 J) (cos (/ K 2.0)))
49.0ms
(* (* -2.0 J) (cos (/ K 2.0)))
90.0ms
(/ U (* (* 2.0 J) (cos (/ K 2.0))))
519.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

simplify108.0ms

Algorithm
egg-herbie
Counts
234 → 234
Iterations

Useful iterations: 1 (23.0ms)

IterNodesCost
08912326
138972103
250012103

prune859.0ms

Filtered
234 candidates to 175 candidates (25.2%)
Pruning

8 alts after pruning (7 fresh and 1 done)

PrunedKeptTotal
New2286234
Fresh617
Picked011
Done000
Total2348242

Merged error: 8.8b

Counts
242 → 8

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))
0.2b
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))
8.6b
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
8.6b
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
127×add-sqr-sqrt
113×associate-*l*
70×unswap-sqr
34×sqrt-prod
30×associate-*r*
29×pow1
27×add-exp-log add-cbrt-cube
23×add-cube-cbrt *-un-lft-identity
16×pow-prod-down prod-exp cbrt-unprod
*-commutative
expm1-log1p-u log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 164
Calls
4 calls:
25.0ms
(* (* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))
15.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))
1.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
1.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

series2.1s

Counts
4 → 12
Calls
4 calls:
517.0ms
(* (* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))
566.0ms
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2)))))
506.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))
510.0ms
(sqrt (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

simplify91.0ms

Algorithm
egg-herbie
Counts
176 → 176
Iterations

Useful iterations: 2 (60.0ms)

IterNodesCost
05763910
122363235
250023209

prune511.0ms

Filtered
176 candidates to 117 candidates (33.5%)
Pruning

8 alts after pruning (6 fresh and 2 done)

PrunedKeptTotal
New1751176
Fresh156
Picked011
Done011
Total1768184

Merged error: 8.8b

Counts
184 → 8

localize25.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (cos (/ K 2.0)))
0.3b
(cbrt (cos (/ K 2.0)))
0.3b
(cbrt (cos (/ K 2.0)))
8.5b
(* (* (* (* -2.0 J) (* (cbrt (cos (/ K 2.0))) (cbrt (cos (/ K 2.0))))) (cbrt (cos (/ K 2.0)))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
419×add-sqr-sqrt
295×unswap-sqr
194×associate-*l*
126×cbrt-prod
91×add-cbrt-cube cbrt-unprod
45×associate-*r*
29×pow1 add-exp-log
26×swap-sqr
24×add-cube-cbrt *-un-lft-identity
19×pow-prod-down prod-exp
15×*-commutative
expm1-log1p-u log1p-expm1-u add-log-exp
pow1/3
Counts
4 → 237
Calls
4 calls:
2.0ms
(cbrt (cos (/ K 2.0)))
2.0ms
(cbrt (cos (/ K 2.0)))
2.0ms
(cbrt (cos (/ K 2.0)))
56.0ms
(* (* (* (* -2.0 J) (* (cbrt (cos (/ K 2.0))) (cbrt (cos (/ K 2.0))))) (cbrt (cos (/ K 2.0)))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

series974.0ms

Counts
4 → 12
Calls
4 calls:
151.0ms
(cbrt (cos (/ K 2.0)))
148.0ms
(cbrt (cos (/ K 2.0)))
151.0ms
(cbrt (cos (/ K 2.0)))
523.0ms
(* (* (* (* -2.0 J) (* (cbrt (cos (/ K 2.0))) (cbrt (cos (/ K 2.0))))) (cbrt (cos (/ K 2.0)))) (hypot (sqrt 1.0) (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) (/ 2.0 2))))

simplify167.0ms

Algorithm
egg-herbie
Counts
249 → 249
Iterations

Useful iterations: 1 (29.0ms)

IterNodesCost
012116775
149145495
250015495

prune746.0ms

Filtered
249 candidates to 166 candidates (33.3%)
Pruning

9 alts after pruning (6 fresh and 3 done)

PrunedKeptTotal
New2481249
Fresh055
Picked011
Done022
Total2489257

Merged error: 8.8b

Counts
257 → 9

regimes255.0ms

Accuracy

0% (0.3b remaining)

Error of 7.8b against oracle of 7.5b and baseline of 7.8b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02414
12414

end0.0ms

sample1.9s

Algorithm
intervals
Results
713.0ms1507×body1280valid
433.0ms1299×body640valid
314.0ms4251×body80valid
150.0ms622×body320valid
51.0ms330×body160valid