From 6acc370a41440098031227e881bd9f1f23aa369e Mon Sep 17 00:00:00 2001 From: ranzhejiang Date: Fri, 18 Oct 2024 18:31:05 +0800 Subject: [PATCH] fix moe tflops (#445) --- megatron/utils.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/megatron/utils.py b/megatron/utils.py index 15160b1644..68d06f0dae 100644 --- a/megatron/utils.py +++ b/megatron/utils.py @@ -281,6 +281,7 @@ def throughput_calculator(model, args, iteration_time, total_iterations): num_layers = args.num_layers vocab_size = args.padded_vocab_size gqa = args.num_attention_heads // args.num_key_value_heads + num_experts_routed_to = args.topk ffn_multiplier = 3 if args.swiglu else 2 macs_per_flops = 2 @@ -294,7 +295,7 @@ def throughput_calculator(model, args, iteration_time, total_iterations): pre_and_post_mha_gemm_macs = batch_size * num_layers * (1 + (2 // gqa) + 1) * (hidden_size**2) * seq_len mha_bgemm_macs = batch_size * num_layers * 2 * head_dim * num_attention_heads * (seq_len**2) - ffn_gemm_macs = batch_size * num_layers * ffn_multiplier * ffn_hidden_size * hidden_size * seq_len + ffn_gemm_macs = batch_size * num_layers * ffn_multiplier * ffn_hidden_size * hidden_size * seq_len * num_experts_routed_to logit_lmhead_gemm_macs = batch_size * vocab_size * hidden_size * seq_len fwd_macs = pre_and_post_mha_gemm_macs + mha_bgemm_macs + ffn_gemm_macs + logit_lmhead_gemm_macs