> From: Brian J. Beesley [SMTP:[EMAIL PROTECTED]]
> This is _still_ remarkable, since the "consumer" Athlons starting to
> trickle onto the market have 64-bit 100 MHz FSB and 512KB L2 cache,
> like PII / PIII / Xeon, but run their L2 cache at only 1/3 clock
> speed (c.f. full clock speed for Xe
On 22 Aug 99, at 21:30, Aaron Blosser wrote:
> But as we can see from the real world benchmarks, even though the Athlon
> still does better, clock for clock, than a PIII, the difference isn't as
> great (only ~107% faster on Winbench 99 FPU Winmark). The benchmark was
> done with a PIII Xeon wit
> From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
> 1) The K7 has essentially the same ultra-high-performance bus as the
> Alpha 21264, which I believe is 128 bits wide and runs at 200MHz, thus
> is capable of feeding the hungry processor with significantly more data;
>
Sorry, system data bus fr
On Sun, 22 Aug 1999 [EMAIL PROTECTED] wrote:
> For example, a typical complex radix-16 FFT pass in my Mlucas code
> takes 16 complex data (32 8-byte floats), and including multiplies by
> "twiddle" factors (FFT sincos data) does 168 FADDs and 88 FMULs on them-
> that's nearly twice as many adds a
> 2) The K7 has 3 functional units in its FPU, compared to just two for
> every other high-end microprocessor I am aware of. All high-end processors
> have a floating adder and multiplier. I'm not sure what the third unit on
> the K7 does, but I suspect it's either a second floating adder, or perh
