Details

Time bar (total: 15.1s)

sample164.0ms

Algorithm
intervals
Results
90.0ms109×body1280valid
30.0ms80×body640valid
13.0ms276×body80nan
8.0ms37×body320valid
3.0ms19×body160valid
1.0ms11×body80valid

simplify95.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0912
12412
24712
39312
412512
513312
done13312

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.1b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ 1.0 x) (- 1.0 x))
6.2b
(log (/ (+ 1.0 x) (- 1.0 x)))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
63×*-un-lft-identity
41×add-sqr-sqrt
40×times-frac
26×log-prod
23×add-cube-cbrt
11×distribute-lft-out
distribute-lft-out-- difference-of-squares
add-exp-log
associate-/r*
associate-/r/ add-cbrt-cube associate-/l*
pow1
expm1-log1p-u flip3-- div-exp rem-log-exp flip-- log1p-expm1-u div-inv associate-/l/ add-log-exp
cbrt-undiv log-div frac-2neg flip3-+ clear-num log-pow flip-+
Counts
2 → 86
Calls
2 calls:
42.0ms
(/ (+ 1.0 x) (- 1.0 x))
14.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

series190.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(/ (+ 1.0 x) (- 1.0 x))
147.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

simplify1.9s

Counts
92 → 92
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01461310
18571236
done50001143

prune295.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.3b

localize26.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma 2.0 (* x x) (fma 2.0 x (log 1.0)))
0.0b
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

rewrite74.0ms

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:
0.0ms
(fma 2.0 (* x x) (fma 2.0 x (log 1.0)))
63.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

series118.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(fma 2.0 (* x x) (fma 2.0 x (log 1.0)))
76.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

simplify851.0ms

Counts
128 → 128
Iterations

Useful iterations: done (846.0ms)

IterNodesCost
02381675
done50001332

prune465.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.3b

localize32.0ms

Local error

Found 4 expressions with local error:

0.0b
(log (fma 2.0 (* x x) (fma 2.0 x (log 1.0))))
0.0b
(fma 2.0 (* x x) (fma 2.0 x (log 1.0)))
0.0b
(* 2.0 (/ (pow x 2) (pow 1.0 2)))
2.4b
(exp (log (fma 2.0 (* x x) (fma 2.0 x (log 1.0)))))

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
80×times-frac
75×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
41×add-cube-cbrt *-un-lft-identity
28×add-exp-log
24×unpow2 sqr-pow
17×unswap-sqr
10×prod-exp
div-exp add-cbrt-cube
pow1
pow-to-exp log-prod pow-exp
expm1-log1p-u exp-prod log1p-expm1-u add-log-exp
associate-*l* exp-sum
log-pow cbrt-unprod
cbrt-undiv associate-*r/ rem-log-exp pow-prod-down *-commutative fma-udef div-inv rem-exp-log
Counts
4 → 153
Calls
4 calls:
1.0ms
(log (fma 2.0 (* x x) (fma 2.0 x (log 1.0))))
0.0ms
(fma 2.0 (* x x) (fma 2.0 x (log 1.0)))
73.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))
7.0ms
(exp (log (fma 2.0 (* x x) (fma 2.0 x (log 1.0)))))

series247.0ms

Counts
4 → 12
Calls
4 calls:
110.0ms
(log (fma 2.0 (* x x) (fma 2.0 x (log 1.0))))
35.0ms
(fma 2.0 (* x x) (fma 2.0 x (log 1.0)))
54.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))
47.0ms
(exp (log (fma 2.0 (* x x) (fma 2.0 x (log 1.0)))))

simplify924.0ms

Counts
165 → 165
Iterations

Useful iterations: done (916.0ms)

IterNodesCost
03022315
done50011882

prune794.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.3b

localize47.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma 2.0 (* x x) (fma 2.0 x (log 1.0)))
0.0b
(log (fma 2.0 (* x x) (fma 2.0 x (log 1.0))))
0.0b
(* 2.0 (/ (pow x 2) (pow 1.0 2)))
2.4b
(pow E (log (fma 2.0 (* x x) (fma 2.0 x (log 1.0)))))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
80×times-frac
76×add-sqr-sqrt
68×associate-*r*
59×unpow-prod-down
42×add-cube-cbrt *-un-lft-identity
29×add-exp-log
25×sqr-pow
24×unpow2
17×unswap-sqr
10×prod-exp
pow1 div-exp add-cbrt-cube
pow-exp
pow-to-exp
log-prod
expm1-log1p-u pow-unpow log1p-expm1-u add-log-exp
unpow-prod-up associate-*l*
log-pow cbrt-unprod
cbrt-undiv e-exp-1 pow-pow associate-*r/ rem-log-exp pow-prod-down *-commutative fma-udef div-inv
Counts
4 → 160
Calls
4 calls:
1.0ms
(fma 2.0 (* x x) (fma 2.0 x (log 1.0)))
3.0ms
(log (fma 2.0 (* x x) (fma 2.0 x (log 1.0))))
60.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))
7.0ms
(pow E (log (fma 2.0 (* x x) (fma 2.0 x (log 1.0)))))

series517.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(fma 2.0 (* x x) (fma 2.0 x (log 1.0)))
143.0ms
(log (fma 2.0 (* x x) (fma 2.0 x (log 1.0))))
81.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))
249.0ms
(pow E (log (fma 2.0 (* x x) (fma 2.0 x (log 1.0)))))

simplify1.2s

Counts
172 → 172
Iterations

Useful iterations: done (1.1s)

IterNodesCost
03402610
done50002181

prune947.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.3b

regimes49.0ms

Accuracy

0% (0.4b remaining)

Error of 0.6b against oracle of 0.2b and baseline of 0.6b

bsearch0.0ms

simplify8.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01524
11724
done1724

end0.0ms

sample6.0s

Algorithm
intervals
Results
2.6s3383×body1280valid
1.7s2511×body640valid
562.0ms7937×body80nan
520.0ms1257×body320valid
103.0ms648×body160valid
15.0ms201×body80valid