tensor: more doc

2024-05-07 13:54:10 -07:00
parent 9c1d797250
commit 868bbdb15e
5 changed files with 9 additions and 3 deletions
--- a/hw/rtl/core/VX_ibuffer.sv
+++ b/hw/rtl/core/VX_ibuffer.sv
@@ -74,6 +74,11 @@ module VX_ibuffer import VX_gpu_pkg::*; #(
        assign decode_if.ibuf_pop[i] = uop_sequencer_if[i].valid && uop_sequencer_if[i].ready;
    `endif

+        // tensor-core operation is controlled by a single macro-instruction at
+        // the ISA; internally, the uop_sequencer blitzs micro-ops (counterpart
+        // to Volta SASS set/step instructions) into the ibuffer upon encountering
+        // this macro-instruction.  this becomes a pass-through for non-tensorcore
+        // instructions.
        VX_uop_sequencer uop_sequencer (
            .clk(clk),
            .reset(reset),