Details

Time bar (total: 12.6s)

sample60.0ms

Algorithm
intervals
Results
18.0ms43×body1280valid
11.0ms36×body640valid
8.0ms147×body80valid
5.0ms21×body320valid
1.0msbody160valid

simplify3.2s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0910
11510
22210
33110
45510
512210
645410
7340310
done500110

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.1b

localize7.0ms

Local error

Found 1 expressions with local error:

3.3b
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

rewrite174.0ms

Algorithm
rewrite-expression-head
Rules
77×*-un-lft-identity
56×add-sqr-sqrt
54×prod-diff
51×add-cube-cbrt
49×times-frac
18×fma-neg
12×distribute-lft-out
associate-/r/
flip3-+ flip-+ div-inv
add-log-exp
difference-of-squares
pow1 add-exp-log expm1-log1p-u sub-neg flip3-- diff-log add-cbrt-cube flip-- log1p-expm1-u distribute-lft-out--
Counts
1 → 89
Calls
1 calls:
163.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

series127.0ms

Counts
1 → 3
Calls
1 calls:
127.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

simplify2.7s

Counts
92 → 92
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
01472415
13401885
28921624
341241395
done50001395

prune212.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize9.0ms

Local error

Found 1 expressions with local error:

3.3b
(- (/ 2.0 (+ (exp (* -2.0 x)) 1.0)) 1.0)

rewrite139.0ms

Algorithm
rewrite-expression-head
Rules
77×*-un-lft-identity
56×add-sqr-sqrt
54×prod-diff
51×add-cube-cbrt
49×times-frac
18×fma-neg
12×distribute-lft-out
associate-/r/
flip3-+ flip-+ div-inv
add-log-exp
difference-of-squares
pow1 add-exp-log expm1-log1p-u sub-neg flip3-- diff-log add-cbrt-cube flip-- log1p-expm1-u distribute-lft-out--
Counts
1 → 89
Calls
1 calls:
134.0ms
(- (/ 2.0 (+ (exp (* -2.0 x)) 1.0)) 1.0)

series105.0ms

Counts
1 → 3
Calls
1 calls:
105.0ms
(- (/ 2.0 (+ (exp (* -2.0 x)) 1.0)) 1.0)

simplify2.8s

Counts
92 → 92
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
01452415
13351894
28871618
344981287
done50001287

prune127.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize15.0ms

Local error

Found 2 expressions with local error:

0.1b
(* 0.33333333333333337 (pow x 3))
8.6b
(fma 5.551115123125783e-17 (pow x 4) (* 0.33333333333333337 (pow x 3)))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
12×associate-*r*
add-exp-log
add-cube-cbrt *-un-lft-identity
unpow-prod-down cube-prod add-cbrt-cube unswap-sqr
associate-*l* prod-exp
pow1 expm1-log1p-u log1p-expm1-u add-log-exp sqr-pow
cube-mult pow-to-exp unpow3 pow-exp *-commutative cbrt-unprod fma-udef
Counts
2 → 43
Calls
2 calls:
14.0ms
(* 0.33333333333333337 (pow x 3))
0.0ms
(fma 5.551115123125783e-17 (pow x 4) (* 0.33333333333333337 (pow x 3)))

series148.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(* 0.33333333333333337 (pow x 3))
106.0ms
(fma 5.551115123125783e-17 (pow x 4) (* 0.33333333333333337 (pow x 3)))

simplify601.0ms

Counts
49 → 49
Iterations

Useful iterations: done (599.0ms)

IterNodesCost
070445
1159409
2595371
done5000369

prune131.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes106.0ms

Accuracy

99.6% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 29.6b

bsearch2.0ms

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02546
13237
done3237

end0.0ms

sample1.9s

Algorithm
intervals
Results
923.0ms1676×body1280valid
338.0ms1278×body640valid
239.0ms4056×body80valid
123.0ms663×body320valid
31.0ms327×body160valid