Displaying 20 results from an estimated 507 matches for "synthetic".
2017 Dec 15
2
RFC: Synthetic function entry counts
...;>> IIUC, this proposal is just saying that we should infer a static profile
>>> for entry counts just like we do for branch probabilities. In the case of
>>> entry counts, we do not hide that information behind an analysis like BPI,
>>> so currently just annotating synthetic PGO entry counts is a simple
>>> solution that piggybacks on the PGO mechanism and Just Works.
>>>
>>> If that is correct then this makes perfect sense to me.
>>>
>> Yes, that is the proposal.
>>
>>>
>>> It could be argued that we ou...
2017 Dec 15
2
RFC: Synthetic function entry counts
...gis at gmail.com> wrote:
> IIUC, this proposal is just saying that we should infer a static profile
> for entry counts just like we do for branch probabilities. In the case of
> entry counts, we do not hide that information behind an analysis like BPI,
> so currently just annotating synthetic PGO entry counts is a simple
> solution that piggybacks on the PGO mechanism and Just Works.
>
> If that is correct then this makes perfect sense to me.
>
Yes, that is the proposal.
>
> It could be argued that we ought to refactor things so that the raw PGO
> metadata is only...
2017 Dec 15
2
RFC: Synthetic function entry counts
...posal is just saying that we should infer a static
>>>>> profile for entry counts just like we do for branch probabilities. In the
>>>>> case of entry counts, we do not hide that information behind an analysis
>>>>> like BPI, so currently just annotating synthetic PGO entry counts is a
>>>>> simple solution that piggybacks on the PGO mechanism and Just Works.
>>>>>
>>>>> If that is correct then this makes perfect sense to me.
>>>>>
>>>> Yes, that is the proposal.
>>>>
>>...
2017 Dec 13
5
RFC: Synthetic function entry counts
...profile count of call
instructions based on which the hotness/coldness of callsites can be
determined. Experiments have shown that using a higher threshold for hot
callsites results in improved runtime performance of the generated code
without significant code size increases. We propose to generate synthetic
function counts for non-PGO compilation and use the counts for boosting hot
callsites during inlining.
Synthetic function entry counts of functions are initialized based on
properties of the function such as whether it is visible outside the
module, whether it has an inline keyword and so on. Then...
2023 May 19
3
Synthesize low batt (LB) fron SNMP UPS which does not support this?
My $0.02:
LB is baked in to nut behavior. So if a UPS doesn't report LB, then
it makes sense to synthesize it. Synthetic LB is the cleanest fix at
the earlier processing point.
One could have a config that is basically
synthetic-lowbatt-percent
that generates LB if (as Jim says) on battery, not calibrating, and
batt% <= that.
One could have a similar config
synthetic-lowbatt-voltage
same thin...
2016 Nov 30
0
[LLD] Writing thunks before the corresponding section
Sure. One thing I want to remind you is that there is a place in Writer.cpp
where we assume all synthetic sections were appended to end of Sections
list. Look for `llvm::reverse`. If you add synthetic section thunks right
before/after non-synthetic sections, you also want to change that.
On Tue, Nov 29, 2016 at 1:18 PM, Simon Atanasyan <simon at atanasyan.com>
wrote:
> Hi,
>
> Sorry fo...
2017 Dec 04
2
Passes to add/validate synthetic debug info
Hi,
I've prototyped a pair of passes which 1) add synthetic debug info to a Module and 2) determine how much of that info is lost. The idea is to make it easier to write targeted test cases for debug info preservation. For example, here is a quick way to test that Mem2Reg doesn't drop debug info from one test input:
> ; RUN: opt < %s -debugify -m...
2016 Nov 29
2
[LLD] Writing thunks before the corresponding section
Hi,
Sorry for delay with reply.
It looks like now thunks can be implemented as a synthetic sections.
In that case we give flexible solution and will be able to put thunks
before/after related sections, using different alignment etc. As far
as I know BFD linker uses the same approach at least for MIPS thunks.
I will try to implement this idea.
On Thu, Sep 8, 2016 at 1:44 AM, Rui Ueyama &...
2006 May 26
0
Transmitting synthetic speech using Speex?
...capturing audio
from a sound card, not the direct wave data from the TTS
engine.
.a
-----Original Message-----
From: speex-dev-bounces@xiph.org
[mailto:speex-dev-bounces@xiph.org] On Behalf Of Reed
Hedges
Sent: Friday, May 26, 2006 7:23 AM
To: speex-dev@xiph.org
Subject: [Speex-dev] Transmitting synthetic speech using
Speex?
Hello, I'm wondering if anyone has done this before and
has any advice, or if anyone in general has ideas about
it.
I just implemented transmitting synthesized speech
(text-to-speech) over Speex
(narrowband) in an application. I'm using Swift from
Cepstral (http://ww...
2007 Dec 22
0
Echo cancellor causing synthetic noise..?
...ous
version yet) and was wondering if anyone also has faced and solved similar
difficulties.
When the speex encoding/decoding (wideband) process starts, the voice is
crispy clear with almost no noise in the background, but as I run it for a
long time, noise start building up and even with (scary?) synthetic sounds
as well. (these noises continue even when I disable mic recording thus only
allowing all zero data from input device - sampling still goes on) When I
only use the raw PCM data without speex codec, these symptoms didn't happen.
The speex library often prints this statement to my window....
2012 May 09
0
Failed Convergence when using mi to generate synthetic data
I was hoping to use mi to generate a synthetic version of a database. The
strategy (see code below) was simple: use the diamonds dataset from
ggplot2, subset it focus on 3K single-color, then create a blank record
for every "real" record, and throw the new dataset at mi to see if it would
populate the blank records. I kept getting...
2005 Oct 05
0
Database querying for synthetic attributes?
...e database table does not. There the name is
decomposed into title, firstname, lastname and possibly other adjuncts.
Yes, I can think of ways to handle this generically. It could be much
easier, however, to push this task into the database, for instance by
defining a read-only view containing a synthetic name column made up of
the individual pieces.
Then, on the Rails side of things, there would have to be a way to use
one table -- the view -- for find''ing records and another table for
insert/update.
Has anyone thought this through further or even implemented something
like it?
Mich...
2017 Nov 28
1
TargetSelect.h and layering
...re a lib has other lib dependencies
(whereas in the LLVM CMake build it seems libs don't depend on other libs -
so every executable has to explicitly list its transitive lib dependencies)
it's pretty nice to have these little libraries explicitly in the build
graph - much like we have those synthetic library targets in the CMake
rules, so it's easy to depend on the right/full things.
(but because the CMake lib rules for LLVM don't actually describe lib
dependencies, I think even 'fixing' this in upstream LLVM wouldn't make the
dep situation better - the synthetic targets wo...
2024 Apr 15
2
Synthetic Control Method
Good Morning
I want to perform a synthetic control method with R. For this purpose, I
created the following code:
# Re-load packages
library(Synth)
library(readxl)
# Pfadeinstellung Excel-Blatt
excel_file_path <-
("C:\\Users\\xxxxx\\Desktop\\DATA_INVESTMENTVOLUMEN_FOR_R_WITHOUT_NA.xlsx")
# Load the Excel file
IN...
2018 Mar 21
1
Request For Opinions: what to do about the synthetic statfvs "tweak"?
...his has the side effect of
getting slightly different values for total
and used/free space of a volume when
accessed through libgfapi and when through
fuse -- because these values are multiples
of f_frsize, and libgfapi uses the native f_frsize
of the backend (typically 4k), while fuse provides
its synthetic f_frsize (typically 128k). So the
libfgapi provided sizes are more granular.
OTOH, I couldn't find any program in
standard Unix userspace where the
implementation commonly used in GNU/Linux
would rely on the f_bsize hint. It does not
mean there is none -- and then there is of course
the vast s...
2017 Sep 27
4
Panic
...f47f998 in mailbox_copy_int (_ctx=_ctx at entry=0x7ffc553b3ab0, mail=<optimized out>) at mail-storage.c:2473
#6 0x00007fc5ef47f9ff in mailbox_copy (_ctx=_ctx at entry=0x7ffc553b3ab0, mail=<optimized out>) at mail-storage.c:2489
#7 0x000055bae72a2f5f in fetch_and_copy (copy_count_r=<synthetic pointer>, src_uidset_r=<synthetic pointer>, search_args=<optimized out>, src_trans_r=0x7ffc553b3a88, t=<optimized out>, move=<optimized out>,
cmd=0x55bae816d5e8) at cmd-copy.c:72
#8 cmd_copy_full (cmd=0x55bae816d5e8, move=false) at cmd-copy.c:139
#9 0x000055bae72afd...
2017 Nov 28
2
TargetSelect.h and layering
...he right library, have that bring in the right
> dependencies, etc.
>
As designed, TargetSelect.h doesn't fit neatly into the normal way of
arranging libraries. I'd mark it textual and leave it alone.
Alternatively, we could make AllTargetsDescs and AllTargetsInfos and all
the other synthetic libraries in CMake into real libaries and sink the
bodies of these inline functions into each tiny little library. Doesn't
seem quite worth it, though.
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2023 May 22
1
Synthesize low batt (LB) fron SNMP UPS which does not support this?
Carsten Aulbert <carsten.aulbert at aei.mpg.de> writes:
> Hi all,
>
> On 5/19/23 15:11, Greg Troxel wrote:
>> LB is baked in to nut behavior. So if a UPS doesn't report LB, then
>> it makes sense to synthesize it. Synthetic LB is the cleanest fix at
>> the earlier processing point.
>
> I fully agree and thus this ought to be done in/near uspd IMHO. I
> glanced over the server/ directory and was not sure where even to
> begin hooking this in. Should this be directly in upsd (upsd.c) or
> rather...
2015 Oct 09
0
[PATCH 1/2] kvm/x86: Hyper-V synthetic interrupt controller
On 09/10/2015 17:53, Roman Kagan wrote:
> > I really don't like this auto-EOI extension, but I guess that's the
> > spec. :( If it wasn't for it, you could do everything very easily in
> > userspace using Google's proposed MSR exit.
> I guess you're right. We'd probably have to (ab)use MSI for SINT
> delivery, though.
Not really an issue, as MSI on
2015 Oct 12
0
[PATCH 1/2] kvm/x86: Hyper-V synthetic interrupt controller
Am 09.10.2015 um 16:42 schrieb Paolo Bonzini:
> Christian, the question for you is towards the end...
[....]
>
>> --- a/virt/kvm/irqchip.c
>> +++ b/virt/kvm/irqchip.c
>> @@ -144,11 +144,13 @@ static int setup_routing_entry(struct kvm_irq_routing_table *rt,
>>
>> /*
>> * Do not allow GSI to be mapped to the same irqchip more than once.
>> -