From f7bd26e825e59d6be89e9dddb85c412c69b77f96 Mon Sep 17 00:00:00 2001 From: Guillaume Raffy Date: Mon, 13 Mar 2023 16:06:09 +0100 Subject: [PATCH] added documentation about the dynamic scale frequency for icelake --- concho/config.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/concho/config.py b/concho/config.py index 87bf6b1..ee09a5f 100644 --- a/concho/config.py +++ b/concho/config.py @@ -385,7 +385,7 @@ class Config(): xeon_6248_avx512_base_freq = 1600.0 # https://en.wikichip.org/wiki/intel/xeon_gold/6248 dynamic_frequency_scaling = xeon_6248_avx512_base_freq / xeon_6248_base_freq elif self.cpu.architecture == 'icelake': - dynamic_frequency_scaling = 0.9 + dynamic_frequency_scaling = 0.9 # 0.9 is a guesstimate based on a web page that I found in january 2023 (I can't find it anymore) which showed that the frequence was less lowered on ice lake... if we could find actual figures, it would be great cpu_clock_when_computing = self.cpu.clock * dynamic_frequency_scaling flops = self.cpu.num_dp_flop_per_cycle * cpu_clock_when_computing * 1.e9 * self.cpu.num_cores * self.num_cpu_per_server * self.num_servers return flops