Details

Time bar (total: 40.2s)

sample30.0ms

Algorithm
intervals
Results
12.0ms256×body80valid
4.0ms256×pre80true

simplify1.1s

Counts
1 → 1
Iterations

Useful iterations: 2 (25.0ms)

IterNodesCost
014404
133404
2119354
3589354
done5000354

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 3.9b

localize45.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ 1.0 (fma 2.0 1.0 (+ alpha beta)))
0.0b
(/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))
0.1b
(/ (/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (+ 1.0 (fma 2.0 1.0 (+ alpha beta))))
3.6b
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))

rewrite141.0ms

Algorithm
rewrite-expression-head
Rules
736×times-frac
551×*-un-lft-identity
321×add-sqr-sqrt add-cube-cbrt
115×distribute-lft-out
72×associate-/l*
27×div-inv
20×add-cbrt-cube add-exp-log
10×cbrt-undiv associate-/r* div-exp
add-log-exp
expm1-log1p-u pow1 log1p-expm1-u associate-/l/
clear-num fma-def frac-2neg flip3-+ flip-+
associate-/r/
+-commutative associate-+r+ sum-log fma-udef
Counts
4 → 422
Calls
4 calls:
5.0ms
(+ 1.0 (fma 2.0 1.0 (+ alpha beta)))
25.0ms
(/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))
42.0ms
(/ (/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (+ 1.0 (fma 2.0 1.0 (+ alpha beta))))
37.0ms
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))

series598.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(+ 1.0 (fma 2.0 1.0 (+ alpha beta)))
204.0ms
(/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))
240.0ms
(/ (/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (+ 1.0 (fma 2.0 1.0 (+ alpha beta))))
122.0ms
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))

simplify1.9s

Counts
434 → 434
Iterations

Useful iterations: done (1.8s)

IterNodesCost
0517284613
11327271623
done5000266103

prune2.4s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 1.3b

localize48.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (/ 1 (sqrt (fma 2.0 1.0 (+ alpha beta)))) (/ (fma 2.0 1.0 (+ alpha beta)) (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (sqrt (fma 2.0 1.0 (+ alpha beta))))))
0.5b
(/ 1 (sqrt (fma 2.0 1.0 (+ alpha beta))))
1.8b
(/ (fma 2.0 1.0 (+ alpha beta)) (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (sqrt (fma 2.0 1.0 (+ alpha beta)))))
2.9b
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (sqrt (fma 2.0 1.0 (+ alpha beta))))

rewrite466.0ms

Algorithm
rewrite-expression-head
Rules
7388×times-frac
3887×*-un-lft-identity
2997×add-sqr-sqrt add-cube-cbrt
1713×sqrt-prod
445×distribute-lft-out
190×div-inv
129×associate-/r*
54×add-exp-log
36×div-exp
34×add-cbrt-cube
32×associate-/l*
25×associate-/r/
20×cbrt-undiv
pow1
expm1-log1p-u rec-exp clear-num frac-2neg 1-exp log1p-expm1-u add-log-exp
pow-flip associate-/l/
sqrt-pow1 flip3-+ pow1/2 flip-+ inv-pow
Counts
4 → 2330
Calls
4 calls:
93.0ms
(/ (/ 1 (sqrt (fma 2.0 1.0 (+ alpha beta)))) (/ (fma 2.0 1.0 (+ alpha beta)) (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (sqrt (fma 2.0 1.0 (+ alpha beta))))))
6.0ms
(/ 1 (sqrt (fma 2.0 1.0 (+ alpha beta))))
14.0ms
(/ (fma 2.0 1.0 (+ alpha beta)) (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (sqrt (fma 2.0 1.0 (+ alpha beta)))))
27.0ms
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (sqrt (fma 2.0 1.0 (+ alpha beta))))

series761.0ms

Counts
4 → 12
Calls
4 calls:
206.0ms
(/ (/ 1 (sqrt (fma 2.0 1.0 (+ alpha beta)))) (/ (fma 2.0 1.0 (+ alpha beta)) (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (sqrt (fma 2.0 1.0 (+ alpha beta))))))
107.0ms
(/ 1 (sqrt (fma 2.0 1.0 (+ alpha beta))))
283.0ms
(/ (fma 2.0 1.0 (+ alpha beta)) (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (sqrt (fma 2.0 1.0 (+ alpha beta)))))
165.0ms
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (sqrt (fma 2.0 1.0 (+ alpha beta))))

simplify5.6s

Counts
2342 → 2342
Iterations

Useful iterations: done (4.6s)

IterNodesCost
022352332746
done50012241574

prune12.6s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 1.3b

localize42.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (sqrt (/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))) (/ (sqrt (/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))) (+ 1.0 (fma 2.0 1.0 (+ alpha beta)))))
0.1b
(/ (sqrt (/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))) (+ 1.0 (fma 2.0 1.0 (+ alpha beta))))
3.6b
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))
3.6b
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))

rewrite541.0ms

Algorithm
rewrite-expression-head
Rules
1347×times-frac
972×*-un-lft-identity
637×add-sqr-sqrt
554×add-cube-cbrt
547×sqrt-prod
226×associate-*r*
209×distribute-lft-out
63×associate-/l*
55×associate-*l*
44×div-inv
20×unswap-sqr
15×add-cbrt-cube add-exp-log
10×associate-/r*
pow1
associate-/l/
expm1-log1p-u cbrt-undiv flip3-+ div-exp associate-/r/ flip-+ log1p-expm1-u add-log-exp
clear-num frac-2neg sqrt-div
prod-exp cbrt-unprod
frac-times pow-prod-down associate-*l/ associate-*r/ *-commutative
Counts
4 → 685
Calls
4 calls:
373.0ms
(* (sqrt (/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))) (/ (sqrt (/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))) (+ 1.0 (fma 2.0 1.0 (+ alpha beta)))))
41.0ms
(/ (sqrt (/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))) (+ 1.0 (fma 2.0 1.0 (+ alpha beta))))
26.0ms
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))
27.0ms
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))

series682.0ms

Counts
4 → 12
Calls
4 calls:
264.0ms
(* (sqrt (/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))) (/ (sqrt (/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))) (+ 1.0 (fma 2.0 1.0 (+ alpha beta)))))
204.0ms
(/ (sqrt (/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))) (+ 1.0 (fma 2.0 1.0 (+ alpha beta))))
112.0ms
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))
102.0ms
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))

simplify3.2s

Counts
697 → 697
Iterations

Useful iterations: done (3.0s)

IterNodesCost
0781494735
11758470580
done5001459610

prune4.5s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 1.3b

localize50.0ms

Local error

Found 4 expressions with local error:

0.5b
(/ 1 (sqrt (fma 2.0 1.0 (+ alpha beta))))
1.4b
(/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (sqrt (fma 2.0 1.0 (+ alpha beta)))) (fma 2.0 1.0 (+ alpha beta)))
2.9b
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (sqrt (fma 2.0 1.0 (+ alpha beta))))
3.6b
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))

rewrite105.0ms

Algorithm
rewrite-expression-head
Rules
234×times-frac
204×*-un-lft-identity
134×add-sqr-sqrt add-cube-cbrt
75×sqrt-prod
39×associate-/l*
35×distribute-lft-out
18×associate-/r*
17×add-exp-log
15×add-cbrt-cube
div-inv
div-exp
pow1 cbrt-undiv
associate-/l/
expm1-log1p-u clear-num frac-2neg log1p-expm1-u add-log-exp
pow-flip
flip3-+ flip-+
rec-exp sqrt-pow1 pow1/2 1-exp inv-pow
Counts
4 → 264
Calls
4 calls:
9.0ms
(/ 1 (sqrt (fma 2.0 1.0 (+ alpha beta))))
34.0ms
(/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (sqrt (fma 2.0 1.0 (+ alpha beta)))) (fma 2.0 1.0 (+ alpha beta)))
28.0ms
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (sqrt (fma 2.0 1.0 (+ alpha beta))))
24.0ms
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))

series688.0ms

Counts
4 → 12
Calls
4 calls:
106.0ms
(/ 1 (sqrt (fma 2.0 1.0 (+ alpha beta))))
299.0ms
(/ (/ (+ 1.0 (fma beta alpha (+ alpha beta))) (sqrt (fma 2.0 1.0 (+ alpha beta)))) (fma 2.0 1.0 (+ alpha beta)))
137.0ms
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (sqrt (fma 2.0 1.0 (+ alpha beta))))
145.0ms
(/ (+ 1.0 (fma beta alpha (+ alpha beta))) (fma 2.0 1.0 (+ alpha beta)))

simplify1.5s

Counts
276 → 276
Iterations

Useful iterations: done (1.4s)

IterNodesCost
0367142110
1930131864
done5000129854

prune1.8s

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 1.3b

regimes252.0ms

Accuracy

48.5% (1.2b remaining)

Error of 2.4b against oracle of 1.2b and baseline of 3.6b

bsearch167.0ms

Steps
ItersRangePoint
9
6.517508680297973e+213
6.266295390107009e+222
3.389187053396532e+214

simplify12.0ms

Iterations

Useful iterations: 0 (5.0ms)

IterNodesCost
0401413
1501413
done501413

end0.0ms

sample1.0s

Algorithm
intervals
Results
681.0ms8000×body80valid
162.0ms8000×pre80true