Create test-tok-sec.py (#5)

- Create test-tok-sec.py (973c6f612c932a9cec506428de5af10f092709f1)

test-tok-sec.py

@@ -0,0 +1,52 @@
+from transformers import AutoTokenizer, AutoModelForCausalLM
+import torch
+from tqdm import tqdm
+
+# Other configuration options
+DEVICE = "cuda:1"
+NUM_RUNS = 10
+MAX_NEW_TOKENS = 1000
+TEXT_INPUT = "def sieve_of_eratosthenes():"
+
+# Load the model and prepare generate args
+repo_id = "gg-hf/gemma-2-2b-it"
+model = AutoModelForCausalLM.from_pretrained(repo_id).to(DEVICE)
+# model = AutoModelForCausalLM.from_pretrained(repo_id, device_map="auto", torch_dtype=torch.bfloat16)
+
+assistant_model = None
+tokenizer = AutoTokenizer.from_pretrained(repo_id, use_fast=True)
+model_inputs = tokenizer(TEXT_INPUT, return_tensors="pt").to(DEVICE)
+
+generate_kwargs = {
+    "max_new_tokens": MAX_NEW_TOKENS,
+    "do_sample": True,
+    "temperature": 0.2,
+    "eos_token_id": -1  # forces the generation of `max_new_tokens`
+}
+
+# Warmup
+print("Warming up...")
+for _ in range(2):
+    gen_out = model.generate(**model_inputs, **generate_kwargs)
+print("Done!")
+
+
+# Measure OR Stream
+def measure_generate(model, model_inputs, generate_kwargs):
+    start_event = torch.cuda.Event(enable_timing=True)
+    end_event = torch.cuda.Event(enable_timing=True)
+    torch.cuda.reset_peak_memory_stats(DEVICE)
+    torch.cuda.empty_cache()
+    torch.cuda.synchronize()
+
+    start_event.record()
+    for _ in tqdm(range(NUM_RUNS)):
+        gen_out = model.generate(**model_inputs, **generate_kwargs)
+    end_event.record()
+
+    torch.cuda.synchronize()
+    max_memory = torch.cuda.max_memory_allocated(DEVICE)
+    print("Max memory (MB): ", max_memory * 1e-6)
+    print("Throughput (tokens/sec): ", (NUM_RUNS * MAX_NEW_TOKENS) / (start_event.elapsed_time(end_event) * 1.0e-3))
+
+measure_generate(model, model_inputs, generate_kwargs)