search for: tenfold

Displaying 10 results from an estimated 10 matches for "tenfold".

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2014 Sep 26
3
Patch to add buffering to decoding too
Can you please wrap the setvbuf in _WIN32 IFDEFs too? Currently memory usage of FLAC decoding is about 1MB, so this patch is increasing memory usage tenfold, also for platforms that do not need this. It is a non-problem on my system anyway. Op 26-09-14 om 10:36 schreef Janne Hyv?rinen: > I made some changes to the previous patch. I don't know why I > originally didn't put the output buffering to piped output too > but that is now m...
2018 May 03
2
Proposed speedup of ifelse
> I propose a patch to ifelse that leverages anyNA(test) to achieve an > improvement in performance. For a test vector of length 10, the change > nearly halves the time taken and for a test of length 1 million, there > is a tenfold increase in speed. Even for small vectors, the > distributions of timings between the old and the proposed ifelse do > not intersect. For smaller vectors, your results are significantly affected by your invoking the old version via base::ifelse. You could try defining your new version as ne...
2018 May 03
1
Proposed speedup of ifelse
I propose a patch to ifelse that leverages anyNA(test) to achieve an improvement in performance. For a test vector of length 10, the change nearly halves the time taken and for a test of length 1 million, there is a tenfold increase in speed. Even for small vectors, the distributions of timings between the old and the proposed ifelse do not intersect. The patch does not intend to change the behaviour of ifelse (i.e. it is intended to be a drop-in replacement). However, the patch inadvertently corrects what I believe...
2018 May 08
1
Proposed speedup of ifelse
...nto.edu> wrote: > > > > I propose a patch to ifelse that leverages anyNA(test) to achieve an > > > improvement in performance. For a test vector of length 10, the change > > > nearly halves the time taken and for a test of length 1 million, there > > > is a tenfold increase in speed. Even for small vectors, the > > > distributions of timings between the old and the proposed ifelse do > > > not intersect. > > > > For smaller vectors, your results are significantly affected by your > > invoking the old version via base::ifels...
2014 Sep 26
1
Patch to add buffering to decoding too
...xtents. Different name but same thing. On 26.9.2014 14:08, Erik de Castro Lopo wrote: > Martijn van Beurden wrote: > >> Can you please wrap the setvbuf in _WIN32 IFDEFs too? Currently >> memory usage of FLAC decoding is about 1MB, so this patch is >> increasing memory usage tenfold, also for platforms that do not >> need this. It is a non-problem on my system anyway. > +1 > > Will apply patch when it (and the previous one) are wrapped in > Win32 #ifdef or similar. > > Erik
2018 May 04
0
Proposed speedup of ifelse
...l <radford at cs.toronto.edu> wrote: > > I propose a patch to ifelse that leverages anyNA(test) to achieve an > > improvement in performance. For a test vector of length 10, the change > > nearly halves the time taken and for a test of length 1 million, there > > is a tenfold increase in speed. Even for small vectors, the > > distributions of timings between the old and the proposed ifelse do > > not intersect. > > For smaller vectors, your results are significantly affected by your > invoking the old version via base::ifelse. You could try definin...
2008 Sep 23
3
Fwd: more on Free World Dialup groups and FWDLive
.... "When it started, there was a very small audience and very limited content, but it did have global termination for the same price... and it created the virtuous cycle of content attracting more audience and audience attracting more content?and the next thing you know, the thing's growing tenfold a year," he says. To begin with, Berninger says, the FWD site will soon be redesigned, largely to make it simpler and more user-friendly: you'll be able to get your SIP credentials for free with one click, but that credential will die in 30 days unless you're a paid member. He admits...
2014 Sep 25
2
Patch to add buffering to decoding too
Decoding flac files is also prone to producing fragmented files. NTFS has the ability to completely avoid fragmentation if it is told the file size before hand, but that would require using special Windows-only functions. Increasing the write buffer from the default 512 bytes to 10 MB already reduces the problem tremendously. -------------- next part -------------- diff --git
2010 Jun 01
2
Help on aggregate method
Dear R experts, I would really appreciate if you had an idea on how to use more efficiently the aggregate method: More specifically, I would like to calculate the mean of certain values on a data frame,? grouped by various attributes, and then create a new column in the data frame that will have the corresponding mean for every row. I attach part of my code: matchMean <-
2014 Sep 26
4
Patch to add buffering to decoding too
...nly tells the filesize to Windows now. On 26.9.2014 14:08, Erik de Castro Lopo wrote: > Martijn van Beurden wrote: > >> Can you please wrap the setvbuf in _WIN32 IFDEFs too? Currently >> memory usage of FLAC decoding is about 1MB, so this patch is >> increasing memory usage tenfold, also for platforms that do not >> need this. It is a non-problem on my system anyway. > +1 > > Will apply patch when it (and the previous one) are wrapped in > Win32 #ifdef or similar. > > Erik -------------- next part -------------- diff --git a/src/flac/decode.c b/src/fl...