Displaying 20 results from an estimated 94 matches for "flt".
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2012 May 28
1
Why R order files as 1 10 100 not 1 2 3 ?
The code given below worked well. However, the problem is that when I typed
dir1 to see the results I found that R order the files as:
[1] "data1.flt" "data10.flt" "data100.flt" "data101.flt"
[5] "data102.flt" "data103.flt" "data104.flt" "data105.flt"
[9] "data106.flt" "data107.flt" "data108.flt" "data109.flt"
[13] "dat...
2015 Feb 26
5
[LLVMdev] [RFC] AArch64: Should we disable GlobalMerge?
Hi all,
I've started looking at the GlobalMerge pass, enabled by default on
ARM and AArch64. I think we should reconsider that, at least for
AArch64.
As is, the pass just merges all globals together, in groups of 4KB
(AArch64, 128B on ARM).
At the time it was enabled, the general thinking was "it's almost
free, it doesn't affect performance much, we might as well use it".
2013 Sep 25
0
[LLVMdev] [Polly] Performance comparison between Cloog and ISL code generation
...on between Polly's Cloog and ISL code generator is posted on http://188.40.87.11:8000/db_default/v4/nts/59?compare_to=58&baseline=58
It seems their execution-time performance are comparable:
Performance Regressions - Execution Time (ISL over Cloog)
MultiSource/Benchmarks/TSVC/ControlFlow-flt/ControlFlow-flt 8.49%
MultiSource/Benchmarks/TSVC/StatementReordering-flt/StatementReordering-flt 6.77%
MultiSource/Benchmarks/TSVC/CrossingThresholds-flt/CrossingThresholds-flt 2.65%
SingleSource/UnitTests/Vectorizer/gcc-loops 2.63%
Performance Improvements - Execution Time (ISL over Cloog)
Mult...
2013 Jul 28
2
[LLVMdev] Enabling the SLP-vectorizer by default for -O3
...o at the IR-level to predict this.
Performance Regressions - Compile Time Δ Previous Current σ
MultiSource/Benchmarks/VersaBench/beamformer/beamformer 18.98% 0.0722 0.0859 0.0003
MultiSource/Benchmarks/FreeBench/pifft/pifft 5.66% 0.5003 0.5286 0.0015
MultiSource/Benchmarks/TSVC/LinearDependence-flt/LinearDependence-flt 4.85% 0.4084 0.4282 0.0014
MultiSource/Benchmarks/TSVC/LoopRestructuring-flt/LoopRestructuring-flt 4.36% 0.3856 0.4024 0.0018
MultiSource/Benchmarks/TSVC/ControlFlow-flt/ControlFlow-flt 2.62% 0.4424 0.4540 0.0019
External/SPEC/CINT2006/401_bzip2/401_bzip2 1.50% 1.0613 1.0772 0....
2018 Aug 14
3
[RFC] Delaying phi-to-select transformation until later in the pass pipeline
...without the patch linked above (using
trunk llvm from a week or so ago).
AArch64 results on ARM Cortex-A72:
Performance Regressions - execution_time Change
SingleSource/Benchmarks/Shootout/Shootout-ary3 9.48%
MultiSource/Benchmarks/TSVC/Packing-flt/Packing-flt 3.79%
SingleSource/Benchmarks/CoyoteBench/huffbench 1.40%
Performance Improvements - execution_time Change
MultiSource/Benchmarks/TSVC/Searching-dbl/Searching-dbl -23.74%
External/SPEC/CINT2000/256.bzi...
2018 Apr 26
0
Compare test-suite benchmarks performance complied without TBAA, with default TBAA and with new TBAA struct path
...-----------|--------|--------|--------|--------|
|Bitcode/Benchmarks/Halide/blur/halide_blur.test | 239.61 | 239.62 | 413.65 | 413.65 |
|SingleSource/Benchmarks/Misc/himenobmtxpa.test | 64.58 | 64.97 | 219.74 | 219.74 |
|MultiSource/Benchmarks/TSVC/Equivalencing-flt/Equivalencing-flt.t| 46.74 | 47.04 | 48.01 | 48.01 |
|MultiSource/Benchmarks/tramp3d-v4/tramp3d-v4.test | 41.32 | 41.57 | 54.97 | 54.97 |
|SingleSource/Benchmarks/Dhrystone/dry.test | 20.02 | 20.02 | 11.54 | 11.54 |
|SingleSource/Benchmarks/Dhrystone...
2013 Jul 14
6
[LLVMdev] Enabling the SLP vectorizer by default for -O3
...what others in the community think about this and give other people the opportunity to perform their own performance measurements.
— Performance Gains —
SingleSource/Benchmarks/Misc/matmul_f64_4x4 -53.68%
MultiSource/Benchmarks/Olden/power/power -18.55%
MultiSource/Benchmarks/TSVC/LoopRerolling-flt/LoopRerolling-flt -14.71%
SingleSource/Benchmarks/Misc/flops-6 -11.02%
SingleSource/Benchmarks/Misc/flops-5 -10.03%
MultiSource/Benchmarks/TSVC/LinearDependence-flt/LinearDependence-flt -8.37%
External/Nurbs/nurbs -7.98%
SingleSource/Benchmarks/Misc/pi -7.29%
External/SPEC/CINT2000/252_eon/252_e...
2018 Aug 15
2
[RFC] Delaying phi-to-select transformation until later in the pass pipeline
...above (using
> trunk llvm from a week or so ago).
>
> AArch64 results on ARM Cortex-A72:
>
> Performance Regressions - execution_time Change
> SingleSource/Benchmarks/Shootout/Shootout-ary3 9.48%
> MultiSource/Benchmarks/TSVC/Packing-flt/Packing-flt
> 3.79%
> SingleSource/Benchmarks/CoyoteBench/huffbench 1.40%
>
> Performance Improvements - execution_time Change
> MultiSource/Benchmarks/TSVC/Searching-dbl/Searching-dbl
> -23.74%
> Exte...
2013 Jul 28
0
[LLVMdev] Enabling the SLP-vectorizer by default for -O3
...; predict this.
>
>
>
> Performance Regressions - Compile TimeΔPreviousCurrentσ
> MultiSource/Benchmarks/VersaBench/beamformer/beamformer18.98%0.07220.0859
> 0.0003MultiSource/Benchmarks/FreeBench/pifft/pifft5.66%0.50030.52860.0015
> MultiSource/Benchmarks/TSVC/LinearDependence-flt/LinearDependence-flt4.85%
> 0.40840.42820.0014
> MultiSource/Benchmarks/TSVC/LoopRestructuring-flt/LoopRestructuring-flt
> 4.36%0.38560.40240.0018
> MultiSource/Benchmarks/TSVC/ControlFlow-flt/ControlFlow-flt2.62%0.4424
> 0.45400.0019External/SPEC/CINT2006/401_bzip2/401_bzip21.50%1.0...
2018 Aug 17
2
[RFC] Delaying phi-to-select transformation until later in the pass pipeline
...gt;>
>>> AArch64 results on ARM Cortex-A72:
>>>
>>> Performance Regressions - execution_time Change
>>> SingleSource/Benchmarks/Shootout/Shootout-ary3 9.48%
>>> MultiSource/Benchmarks/TSVC/Packing-flt/Packing-flt 3.79%
>>> SingleSource/Benchmarks/CoyoteBench/huffbench 1.40%
>>>
>>> Performance Improvements - execution_time Change
>>> MultiSource/Benchmarks/TSVC/Searching-dbl/Searching-dbl...
2013 Jul 28
0
[LLVMdev] IR Passes and TargetTransformInfo: Straw Man
...a liar, I post some preliminary
result in this cozy
Saturday afternoon which I normally denote to daydreaming :-)
So far I only measure the result of MultiSource benchmarks on my iMac
(late
2012 model), and the command to run the benchmark is
"make TEST=simple report OPTFLAGS='-O3 -flto'".
In terms of execution-time, some degrade, but more improve, few of them
are quite substantial. User-time is used for comparison. I measure the
result twice, they are basically very stable. As far as I can tell from
the result,
the proposed pass-ordering is basically toward good cha...
2013 Jul 15
0
[LLVMdev] Enabling the SLP vectorizer by default for -O3
...ht-forward. It would also be really useful to see what the code size and compile time impact is.
-Chris
>
> — Performance Gains —
> SingleSource/Benchmarks/Misc/matmul_f64_4x4 -53.68%
> MultiSource/Benchmarks/Olden/power/power -18.55%
> MultiSource/Benchmarks/TSVC/LoopRerolling-flt/LoopRerolling-flt -14.71%
> SingleSource/Benchmarks/Misc/flops-6 -11.02%
> SingleSource/Benchmarks/Misc/flops-5 -10.03%
> MultiSource/Benchmarks/TSVC/LinearDependence-flt/LinearDependence-flt -8.37%
> External/Nurbs/nurbs -7.98%
> SingleSource/Benchmarks/Misc/pi -7.29%
> Extern...
2001 Nov 20
3
Running Visio?
...ng the first
file or template. It says
Fehlernr. 1 ist bei der '???'-Operation aufgetreten.
Unerwartetes Dateiende.
which translates into
Fault 1: Unexpected EOF
Going throug the debug output, I noticed file accesses for
warn:file:FILE_DoOpenFile 'd:\visio\system\filter32\emigs9.flt' not found or sharing violation
although the file is emigs2.flt. Providing a link fixes this message,
but it doesn't help Visio :-(
Then there are a lot of messages along
warn:gdi:GDI_GetObjPtr Invalid handle 0
warn:heap:HEAP_ValidateInUseArena Heap 40e30000: invalid in-use arena magic...
2013 Jul 18
3
[LLVMdev] IR Passes and TargetTransformInfo: Straw Man
Andy and I briefly discussed this the other day, we have not yet got
chance to list a detailed pass order
for the pre- and post- IPO scalar optimizations.
This is wish-list in our mind:
pre-IPO: based on the ordering he propose, get rid of the inlining (or
just inline tiny func), get rid of
all loop xforms...
post-IPO: get rid of inlining, or maybe we still need it, only
2017 Jul 22
4
[RFC] Add IR level interprocedural outliner for code size.
...> Symbolics-dbl: 51.42%
> -
>
> Recurrences-dbl: 51.38%
> -
>
> Packing-dbl: 51.33%
>
> LO:
>
> -
>
> enc-3des: 50.7%
> -
>
> ecbdes: 46.27%
> -
>
> security-rjindael:45.13%
> -
>
> ControlFlow-flt: 25.79%
> -
>
> ControlFlow-dbl: 25.74%
>
> MO:
>
> -
>
> ecbdes: 28.22%
> -
>
> Expansion-flt: 22.56%
> -
>
> Recurrences-flt: 22.19%
> -
>
> StatementReordering-flt: 22.15%
> -
>
> Searching-flt: 21...
2013 Jul 15
3
[LLVMdev] Enabling the SLP vectorizer by default for -O3
...y useful to see what the code size and compile time impact is.
>
> -Chris
>
>>
>> — Performance Gains —
>> SingleSource/Benchmarks/Misc/matmul_f64_4x4 -53.68%
>> MultiSource/Benchmarks/Olden/power/power -18.55%
>> MultiSource/Benchmarks/TSVC/LoopRerolling-flt/LoopRerolling-flt -14.71%
>> SingleSource/Benchmarks/Misc/flops-6 -11.02%
>> SingleSource/Benchmarks/Misc/flops-5 -10.03%
>> MultiSource/Benchmarks/TSVC/LinearDependence-flt/LinearDependence-flt -8.37%
>> External/Nurbs/nurbs -7.98%
>> SingleSource/Benchmarks/Misc/p...
2006 May 22
1
Samba client file locking
...help.
Matt
CIFS:
Client1:
mount -t cifs -o username=user1,rw,dir_mode=0777,file_mode=0777
//server/corp /network/corp
Client2:
mount -t cifs -o username=user2,rw,dir_mode=0777,file_mode=0777
//server/corp /network/corp
smbstatus:
21757 DENY_NONE 0x12019f RDWR NONE
/opt/samba/corporate/flt.ods Mon May 22 13:43:50 2006
21757 DENY_NONE 0x12019f RDWR NONE
/opt/samba/corporate/flt.ods Mon May 22 13:43:44 2006
Behaviour: First client opens file read/write, second client cannot set
write lock (ok).
SMBFS:
Client1:
mount -t smbfs -o username=user1,rw,dmask=777,fmask=777 //se...
2016 Apr 14
2
Integer -> Floating point -> Integer cast optimizations
...o, if we can establish that abs(x) is <= 2**23, we can remove the casts. LLVM does not currently perform that optimization on this C code:
>
> int floatcast(int x) {
> if (abs(x) <= 16777216) { // abs(x) is definitely <= 2**23 and fits into our mantissa cleanly
> float flt = (float)x;
> return (int)flt;
> }
> return x;
> }
>
> Things get more interesting when you bring in higher integers and leading zeros. Floating point can't exactly represent integers that don't fit neatly into the mantissa; they have to round to a multiple of s...
2007 Feb 03
0
need help with MSVC
...ction call
Avoid that like the plague.
> 2nd, I need an equivalent for lround() (or round() is ok), which
> is not in MSVC6's math.h or anywhere else I could find.
The operation of lround() is basically the same as lrint(). In
src/float_cast.h I have:
__inline long int
lrint (double flt)
{ int intgr ;
_asm
{ fld flt
fistp intgr
} ;
return intgr ;
}
__inline long int
lrintf (float flt)
{ int intgr ;
_asm
{ fld flt
fistp intgr
} ;
return intgr ;
}
Hope this helps,
Erik
--
+-----------------------------------------------------------+
Erik de C...
2013 Jul 23
0
[LLVMdev] Enabling the SLP vectorizer by default for -O3
...ze and compile time impact is.
>>
>> -Chris
>>
>>>
>>> — Performance Gains —
>>> SingleSource/Benchmarks/Misc/matmul_f64_4x4 -53.68%
>>> MultiSource/Benchmarks/Olden/power/power -18.55%
>>> MultiSource/Benchmarks/TSVC/LoopRerolling-flt/LoopRerolling-flt -14.71%
>>> SingleSource/Benchmarks/Misc/flops-6 -11.02%
>>> SingleSource/Benchmarks/Misc/flops-5 -10.03%
>>> MultiSource/Benchmarks/TSVC/LinearDependence-flt/LinearDependence-flt -8.37%
>>> External/Nurbs/nurbs -7.98%
>>> SingleSour...