feat: update ttft modeling and add cache affinity

src/network.rs

@@ -5,7 +5,7 @@
 //! by `bytes / bw`. Latency is added on top of transfer time. This captures
 //! contention without simulating individual packets.
 
-use crate::config::HardwareConfig;
+use crate::config::{CalibrationConfig, HardwareConfig};
 
 #[derive(Debug, Clone)]
 pub struct LinkModel {
@@ -53,10 +53,10 @@ pub struct InstanceLinks {
 }
 
 impl InstanceLinks {
-    pub fn from_hw(hw: &HardwareConfig) -> Self {
+    pub fn from_hw(hw: &HardwareConfig, calib: &CalibrationConfig) -> Self {
         Self {
-            pcie: LinkModel::new(hw.pcie_bw, hw.pcie_latency_us * 1e-6),
-            rdma: LinkModel::new(hw.rdma_bw, hw.rdma_latency_us * 1e-6),
+            pcie: LinkModel::new(hw.pcie_bw * calib.pcie_bw_util, hw.pcie_latency_us * 1e-6),
+            rdma: LinkModel::new(hw.rdma_bw * calib.rdma_bw_util, hw.rdma_latency_us * 1e-6),
         }
     }
 }