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batched-bench : use rand tokens #15398

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Merged
merged 1 commit into from
Aug 19, 2025
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batched-bench : use rand tokens #15398

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13 changes: 10 additions & 3 deletions tools/batched-bench/batched-bench.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,13 @@ int main(int argc, char ** argv) {
return 1;
}

const llama_vocab * vocab = llama_model_get_vocab(model);
const int32_t n_vocab = llama_vocab_n_tokens(vocab);

const auto get_token_rand = [n_vocab]() -> llama_token {
return std::rand() % n_vocab;
};

auto * mem = llama_get_memory(ctx);

const int32_t n_kv_max = llama_n_ctx(ctx);
Expand Down Expand Up @@ -93,7 +100,7 @@ int main(int argc, char ** argv) {
// warm up
{
for (int i = 0; i < 16; ++i) {
common_batch_add(batch, 0, i, { 0 }, false);
common_batch_add(batch, get_token_rand(), i, { 0 }, false);
}

if (!decode_helper(ctx, batch, ctx_params.n_batch)) {
Expand Down Expand Up @@ -127,7 +134,7 @@ int main(int argc, char ** argv) {

for (int j = 0; j < (is_pp_shared ? 1 : pl); ++j) {
for (int i = 0; i < pp; ++i) {
common_batch_add(batch, 0, i, { j }, i == pp - 1);
common_batch_add(batch, get_token_rand(), i, { j }, i == pp - 1);
}
}

Expand All @@ -154,7 +161,7 @@ int main(int argc, char ** argv) {
common_batch_clear(batch);

for (int j = 0; j < pl; ++j) {
common_batch_add(batch, 0, pp + i, { j }, true);
common_batch_add(batch, get_token_rand(), pp + i, { j }, true);
}

if (!decode_helper(ctx, batch, ctx_params.n_batch)) {
Expand Down
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