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Old 09-15-2004, 03:22 PM   #1
Jeebizz
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Distribution: Slackware 14.1 64-bit with multilib
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Math Emulation Clariciation


Back before the first pentiums, going from 486SX and 386SX (SX implying that there no math co-processor, and DX implying that there is one) perhaps I would understand the need to enable the math emulation option under the kernel configuration, but now that we are in the faster end on the processing spectrum, the math-co processor has gone away, so my question is, should I enable math emulation in the kernel, or is it not even necessary?
 
Old 09-15-2004, 03:38 PM   #2
rshaw
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enable it, you either need a coprocessor, or emulation
 
Old 09-15-2004, 03:49 PM   #3
Jeebizz
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i see , so I guess just about everyone with an x86 Pentium or AMD would enable that feature then right?

Still I find it rather strange, since I thought the co processor went away after the 486DX , that the processor itself would handle floating point and other types of math operations itself. *shrug*
 
Old 09-15-2004, 03:51 PM   #4
shilo
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I disabled it. Kernel 2.6.8.1. AMD Athlon XP 2500+. No change that I can see.
Code:
shilo@shilo2:~$ cat /usr/src/linux/.config|grep -i math
# CONFIG_MATH_EMULATION is not set

Last edited by shilo; 09-15-2004 at 03:52 PM.
 
Old 09-15-2004, 04:24 PM   #5
rshaw
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so there you are, hope we cleared that up.
 
  


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