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From: luong@grace.cs.washington.edu (Luong La)
Newsgroups: comp.sys.ibm.pc
Subject: 387-20 Async vs. 387-25 Sync performance?
Summary: Floating points power
Message-ID: <10643@june.cs.washington.edu>
Date: 7 Feb 90 19:56:27 GMT
References: <2340002@hpldsla.HP.COM>
Sender: news@cs.washington.edu
Reply-To: luong@grace.cs.washington.edu.cs.washington.edu (Luong La)
Organization: University of Washington, Computer Science, Seattle
Lines: 21

Yo FLOP's guru,

I owned a 386-25 computer w/ option that I can either install an async 387-20
or 387-25 sync. math coprocessor.  My question is :) does the 387-25 sync offers
a good bang for my bucks?  I heard that a 387-25 sync can offer about 
0.6 to 1 MFLOPs, how about 387-20 async?  
   
  (oddity: Crosstalk IV 's timing sped up 3 time if I set the motherboard ready
   for a 387-25 -> 25 Mhz sync operations.  Redemity/suggestion/guess??)


Thanks in advance for using the most powerful multi-everything computer
to process this msg.  :)))))))



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===RLab===Epsilon task takes infinite time=== luong@grace.cs.washington.edu