Details

Time bar (total: 3.1s)

sample59.0ms

Algorithm
intervals
Results
34.0ms75×body1280valid
11.0ms51×body640valid
2.0ms23×body320valid
2.0ms93×body80valid
1.0ms81×body80nan
1.0ms14×body160valid

simplify4.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
052
152

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.4b

localize4.0ms

Local error

Found 1 expressions with local error:

4.9b
(log (+ 1.0 x))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt log-div
expm1-log1p-u flip3-+ rem-log-exp log-pow add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
Counts
1 → 17
Calls
1 calls:
2.0ms
(log (+ 1.0 x))

series42.0ms

Counts
1 → 3
Calls
1 calls:
42.0ms
(log (+ 1.0 x))

simplify48.0ms

Algorithm
egg-herbie
Counts
20 → 20
Iterations

Useful iterations: 3 (40.0ms)

IterNodesCost
013199
136389
2129286
3500281

prune45.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 2 expressions with local error:

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

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
80×times-frac
70×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
36×add-cube-cbrt *-un-lft-identity
25×add-exp-log
24×unpow2 sqr-pow
17×unswap-sqr
10×prod-exp
div-exp
add-cbrt-cube
pow-to-exp pow-exp
pow1
associate-*l*
expm1-log1p-u cbrt-unprod log1p-expm1-u add-log-exp
cbrt-undiv associate-*r/ pow-prod-down *-commutative fma-udef div-inv
Counts
2 → 122
Calls
2 calls:
26.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0ms
(fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

series101.0ms

Counts
2 → 6
Calls
2 calls:
50.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
50.0ms
(fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

simplify60.0ms

Algorithm
egg-herbie
Counts
128 → 128
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
0560832
12867631
25002630

prune296.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 2 expressions with local error:

4.9b
(log (sqrt (+ 1.0 x)))
4.9b
(log (sqrt (+ 1.0 x)))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
14×log-prod
10×*-un-lft-identity
sqrt-prod
pow1 add-sqr-sqrt add-cube-cbrt log-pow
add-exp-log log-div sqrt-div
expm1-log1p-u sqrt-pow1 flip3-+ pow1/2 rem-log-exp add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
Counts
2 → 44
Calls
2 calls:
3.0ms
(log (sqrt (+ 1.0 x)))
3.0ms
(log (sqrt (+ 1.0 x)))

series165.0ms

Counts
2 → 6
Calls
2 calls:
82.0ms
(log (sqrt (+ 1.0 x)))
83.0ms
(log (sqrt (+ 1.0 x)))

simplify45.0ms

Algorithm
egg-herbie
Counts
50 → 50
Iterations

Useful iterations: 3 (40.0ms)

IterNodesCost
0143314
1362284
21284272
35002264

prune108.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 2 expressions with local error:

4.9b
(log (+ 1.0 x))
4.9b
(log (sqrt (+ 1.0 x)))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
11×log-prod
*-un-lft-identity
pow1 add-sqr-sqrt add-cube-cbrt
add-exp-log log-div sqrt-prod log-pow
expm1-log1p-u flip3-+ sqrt-div rem-log-exp add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
sqrt-pow1 pow1/2
Counts
2 → 39
Calls
2 calls:
2.0ms
(log (+ 1.0 x))
3.0ms
(log (sqrt (+ 1.0 x)))

series127.0ms

Counts
2 → 6
Calls
2 calls:
41.0ms
(log (+ 1.0 x))
85.0ms
(log (sqrt (+ 1.0 x)))

simplify73.0ms

Algorithm
egg-herbie
Counts
45 → 45
Iterations

Useful iterations: 3 (64.0ms)

IterNodesCost
0216256
1583231
22262222
35001217

prune101.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

regimes63.0ms

Accuracy

97.7% (0.5b remaining)

Error of 0.6b against oracle of 0.1b and baseline of 22.1b

bsearch2.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02415
12415

end0.0ms

sample1.7s

Algorithm
intervals
Results
984.0ms2207×body1280valid
361.0ms1703×body640valid
86.0ms813×body320valid
61.0ms2884×body80valid
37.0ms2823×body80nan
24.0ms393×body160valid