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Politics : Formerly About Advanced Micro Devices

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To: Scumbria who wrote (40510)10/31/1998 3:13:00 PM
From: Tenchusatsu  Read Replies (1) of 1573844
 
<The key performance factor for Winstone type benchmarks is memory latency, which is rapidly become constrained by sram speeds for L1 and L2 hits. That is why we are starting to see designs (like K7) which have multi-cycle L1 latencies.>

If the problem is memory latency, wouldn't the multi-cycle L1 latency of the K7 be a step backwards?

That's why the oversized L1 cache of the K7 still mystifies me. Even Intel felt the need to add an "L0" cache to Merced in order to provide critical data at minimum latencies.

Tenchusatsu
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