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RE: The need for speed



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Guess what!
-----

> -----Original Message-----
> From: owner-metastock@xxxxxxxxxxxxx
> [mailto:owner-metastock@xxxxxxxxxxxxx]On Behalf Of Daniel Martinez
> Sent: Saturday, November 04, 2000 6:31 PM
> To: metastock@xxxxxxxxxxxxx
> Subject: Re: The need for speed
> 
> 
> >>>>>>>>>>>>>>>>
> Nope [since system.ini applies only to 16-bit code]
> <<<<<<<<<<<<<<<<
> 
> I was referring to the above statement.  SYSTEM.INI began with 
> Windows 3.1 and
> was carried over to Windows 9x.  Windows 3.1 is a 16-bit O/S.  
> Win9x is (mostly)
> a 32-bit O/S.  Since many commands in SYSTEM.INI still control Win9x
> system-wide, the SYSTEM.INI commands also apply to 32-bit code.
> 
> Cheers,
> Daniel.
> 
> 
> Bob Jagow wrote:
> 
> > Try reading my post, Daniel.
> > NT!
> > NT!
> > NT!
> > NT!
> > NT!
> > NT!
> >
> > > -----Original Message-----
> > > From: owner-metastock@xxxxxxxxxxxxx
> > > [mailto:owner-metastock@xxxxxxxxxxxxx]On Behalf Of Daniel Martinez
> > > Sent: Friday, November 03, 2000 7:06 PM
> > > To: metastock@xxxxxxxxxxxxx
> > > Subject: Re: The need for speed
> > >
> > >
> > > That's not quite true.  Cacheman 3.8 partially manipulates the
> > > Disk Cache by
> > > using SYSTEM.INI.  For those of you who don't know, Windows 
> 9x has 2 ways
> > > dealing with memory:  the Swapfile and the Disk Cache.  The
> > > Swapfile is used
> > > when you don't have enough physical memory and the Disk Cache is
> > > physical memory
> > > set aside for tasks which are repeatedly used.  On my system,
> > > Cacheman 3.8 uses
> > > these 2 commands to set the size of the Disk Cache to 21,000 KB:
> > > [vcache]
> > > chunksize=2048
> > > maxfilecache=21000
> > >
> > > BTW, to avoid using an exotic virtual memory program, I tried
> > > increasing the
> > > Disk Cache.  The maximum you can increase it is to about 55 MB,
> > > not enough to
> > > place the entire QP database into memory.
> > >
> > > Windows 9x uses numerous other commands in the SYSTEM.INI file to
> > > customize your
> > > setup.  If you set limits to the Swapfile size, the settings 
> are placed in
> > > SYSTEM.INI.  If you want a DMA memory buffer, when you set the
> > > DMA size in your
> > > Device Manager, the setting is placed in your SYSTEM.INI.  
> MANY multimedia
> > > DLL's, etc..., are placed into SYSTEM.INI.
> > >
> > > Daniel.
> > >
> > >
> > > Bob Jagow wrote:
> > >
> > > > Nope [since system.ini applies only to 16-bit code].
> > > > There may be some corresponding registry entries but I'd leave
> > > them alone.
> > > >
> > > > Bob
> > > >
> > > > > -----Original Message-----
> > > > > From: owner-metastock@xxxxxxxxxxxxx
> > > > > [mailto:owner-metastock@xxxxxxxxxxxxx]On Behalf Of jr
> > > > > Sent: Friday, November 03, 2000 1:23 PM
> > > > > To: metastock@xxxxxxxxxxxxx
> > > > > Subject: Re: The need for speed
> > > > >
> > > > >
> > > > > Very interesting indeed, thanks,
> > > > > however, that probably doesn't
> > > > > apply to Win NT / Win2K, does it?
> > > > >
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "neo" <neo1@xxxxxxxxx>
> > > > > To: <metastock@xxxxxxxxxxxxx>
> > > > > Sent: Friday, November 03, 2000 9:55 PM
> > > > > Subject: The need for speed
> > > > >
> > > > >
> > > > > > I believe that, although important, the processor and
> > > memory speed are
> > > > > over
> > > > > > emphasised. The real bottleneck is your hard drive. It runs so
> > > > > much slower
> > > > > > than any other part of the system. The key is to have your
> > > > > entire program
> > > > > > and data in RAM. There are 2 things required. The first is to
> > > > > have enough.
> > > > > > For me this is 512 MB. (This can be decreased by minimising
> > > > > other programs
> > > > > > running. The 2nd is to look in the Microsoft Knowledge Base for
> > > > > an article
> > > > > > on ConservativeSwapfileUsage. If this is set to =1 in 
> [386Enh] of
> > > > > SYSTEM.INI
> > > > > > it forces Windows to use all available RAM before the
> > > swapfile on your
> > > > > disk.
> > > > > > Normally Windows will use 50% of RAM and then start using the
> > > > > swapfile on
> > > > > > your disk. This is probably a holdover from when we had
> > > tiny MBs of RAM.
> > > > > If
> > > > > > you have Norton SystemWorks or another program to monitor RAM
> > > > > and swapfile
> > > > > > (virtual memory) used you will see the difference at once.
> > > > > >
> > > > > > In a recent example, in another program, I had pulled out a
> > > 128 MB card
> > > > > and
> > > > > > the time it took to open a chart went from < 1 second to about
> > > > > 20 seconds
> > > > > as
> > > > > > I saw my hard drive searching for the data.
> > > > > >
> > > > > > One other note. I have heard from various sources that 
> programs leak
> > > > > memory.
> > > > > > That is, if you use a program all, or part, of it will
> > > remain in RAM and
> > > > > not
> > > > > > be available to other programs. I cannot confirm this. The
> > > program does
> > > > > stay
> > > > > > in memory but I believe it is over written as needed. If this
> > > > > leak is true
> > > > > > then it would help to reboot you system from time to time.
> > > > > >
> > > > > > Disclaimer: I have been doing this for well over a year
> > > with Win98 (1st
> > > > > Ed.)
> > > > > > and it works great without a single problem. If you do this
> > > I have no
> > > > > > responsibility for what might happen to your system. 
> Look at MS's
> > > > > Knowledge
> > > > > > Base and try it if YOU decide to. This is only my personal
> > > information.
> > > > > >
> > > > > > -----Original Message-----
> > > > > > From: owner-metastock@xxxxxxxxxxxxx
> > > > > > [mailto:owner-metastock@xxxxxxxxxxxxx]On Behalf Of Rance Nunes
> > > > > > Sent: Friday, November 03, 2000 12:13 PM
> > > > > > To: metastock@xxxxxxxxxxxxx
> > > > > > Subject: Real-time screening of multiple stocks possible?
> > > > > >
> > > > > >
> > > > > > In MetaStock Professional the documentation states that
> > > (paraphrasing)
> > > > > > The Explorer's performance is significantly slower on 
> intraday data
> > > > > > while collecting real-time data.
> > > > > >
> > > > > > Can real-time searches be performed in MetaStock Pro?
> > > > > >
> > > > > > If so what is the order of magnitude of stocks that can be
> > > screened in
> > > > > > real-time?  That is, if a real-time Exploration is
> > > designed, how many
> > > > > > simultaneous stocks can be screened when using tick by tick
> > > information
> > > > > > while
> > > > > > collecting real-time data?  (Say on a 1-Gigahertz Pentium
> > > III with 256
> > > > > Megs
> > > > > > of
> > > > > > memory).
> > > > > >
> > > > > > Any assistance is appreciated.
> > > > > >
> > > > > > Thanks.
> > > > > >
> > > > > > Rance
> > > > > >
> > > > > >
> > > > >
> > > > >
> > >
> > >
> 
> 
> 

Attachment: Description: "system.ini"