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AAMDK11 replied to the thread Question x86 and ARM architectures comparison thread..Does anyone have access to a table of IPC results from FlopsCPU (x87, SSE, SSE2, AVX, AVX2, FP, and SMT) for various x86...
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AAMDK11 replied to the thread Question Zen 6 Speculation Thread.Does anyone have access to a table of IPC results from FlopsCPU (x87, SSE, SSE2, AVX, AVX2, FP, and SMT) for various x86...
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AAMDK11 replied to the thread Discussion Zen 7 speculation thread.Much of the Zen5's surface area increase is dedicated to the AVX512.
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AAMDK11 replied to the thread Discussion Zen 7 speculation thread.Yes, most structures (buffers) are larger, but Zen5 has more advanced control logic. Buffers alone aren't everything. The x86 design...
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AAMDK11 replied to the thread Discussion Zen 7 speculation thread.Exactly. I'll reiterate that 95-99% of people have no idea about IPC, let alone micro-architectures. For me, Apple's MX is just a...
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AAMDK11 replied to the thread Discussion Zen 7 speculation thread.ARM is not a competitor to x86. Apple's ARM market share in PCs and HPC is marginal, and x86 has a huge software base and backward...
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AAMDK11 replied to the thread Discussion Zen 7 speculation thread.Didn't ARM64 require recompiling the software from ARM32? Secondly, does ARM have as powerful FP and INT SIMD 512 as Zen5?
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AAMDK11 replied to the thread Discussion Zen 7 speculation thread.First, ARM has instructions with a fixed length of 4 bytes. x86 has variable-length instructions from 1 to 15 bytes, translated by the...
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AAMDK11 replied to the thread Discussion Zen 7 speculation thread.So you're suggesting that design + testing + silicon implementation + validation will only take 6 months? The project was carried out...
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AAMDK11 replied to the thread Discussion Zen 7 speculation thread.Yes? And what about the recent increase in IPC? You mean the move from M3 to M4 and the average IPC increase for INT +8% and FP +9%...
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AAMDK11 replied to the thread Discussion Zen 7 speculation thread.Area and power are the main drivers for expanding Zen cores. But it's also about project time, so as not to overdo it.
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AAMDK11 replied to the thread Discussion Zen 7 speculation thread.This is the main reason.
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AAMDK11 reacted to adroc_thurston's post in the thread Discussion Zen 7 speculation thread with
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Area and power are the limits, not design cycle times. -
AAMDK11 replied to the thread Discussion Zen 7 speculation thread.Zen lived up to expectations. Agner Fog demonstrated that Zen5 executes 6 instructions per clock cycle (rarely 8). The main goal of Zen5...
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AAMDK11 replied to the thread Discussion Zen 7 speculation thread.Until official data for the Zen5+L2 core is available, this is the only way. Even considering that some of these transistors also went...
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