remotego commented on a change in pull request #9:
URL: https://github.com/apache/incubator-tvm-vta/pull/9#discussion_r445321853
##########
File path: config/vta_cost.py
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@@ -0,0 +1,102 @@
+# cost function for intelfocl 32*32 gemm version
+def cal_cost(insn):
+ """
+ Cal the runtime cost statically
+
+ Parameters
+ ------------
+ insn: the insn (json)
+
+ Returns
+ ------------
+ the cost in s
+ """
+ factor = 1000000.0
+ def alu_imm_cost(iter_out, iter_in, uop_bgn, uop_end):
+ x = (uop_end - uop_bgn) * iter_out * iter_in
+ cycles = x + 46
Review comment:
Yes. Those costs are FPGA and configuration specific, and we need to
profile/measure the values from the actual hardware.
I believe the values are provided here as an example.
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