[BugFix] Fix token_penalty kernel (#6069)

* fix token_penalty kernel

* try to fix xpu

* fix xpu

* fix unit test
This commit is contained in:
freeliuzc
2026-01-28 12:03:05 +08:00
committed by GitHub
parent 85db063da6
commit ce06c6dfb3
13 changed files with 320 additions and 246 deletions
@@ -27,20 +27,20 @@ __global__ inline void min_length_logits_process(
const int64_t length,
const int64_t end_length,
const int max_seq_len) {
const int token_idx = threadIdx.x;
if (token_idx >= token_num) return;
const int bi = (token_idx + output_padding_offset[token_idx]) / max_seq_len;
if (bi >= bs) return;
const int query_start_token_idx = bi * max_seq_len - output_cum_offsets[bi];
const int token_idx = threadIdx.x;
if (token_idx >= token_num) return;
const int bi = (token_idx + output_padding_offset[token_idx]) / max_seq_len;
if (bi >= bs) return;
const int query_start_token_idx = bi * max_seq_len - output_cum_offsets[bi];
if (cur_len[bi] < 0) {
return;
}
if (cur_len[bi] + (token_idx - query_start_token_idx) < min_len[bi]) {
for (int i = 0; i < end_length; i++) {
logits[token_idx * length + eos_token_id[i]] = -1e10;
}
if (cur_len[bi] < 0) {
return;
}
if (cur_len[bi] + (token_idx - query_start_token_idx) < min_len[bi]) {
for (int i = 0; i < end_length; i++) {
logits[token_idx * length + eos_token_id[i]] = -1e10;
}
}
}
template <>
@@ -56,20 +56,20 @@ __global__ inline void min_length_logits_process<half>(
const int64_t length,
const int64_t end_length,
const int max_seq_len) {
const int token_idx = threadIdx.x;
if (token_idx >= token_num) return;
const int bi = (token_idx + output_padding_offset[token_idx]) / max_seq_len;
if (bi >= bs) return;
const int query_start_token_idx = bi * max_seq_len - output_cum_offsets[bi];
const int token_idx = threadIdx.x;
if (token_idx >= token_num) return;
const int bi = (token_idx + output_padding_offset[token_idx]) / max_seq_len;
if (bi >= bs) return;
const int query_start_token_idx = bi * max_seq_len - output_cum_offsets[bi];
if (cur_len[bi] < 0) {
return;
}
if (cur_len[bi] + (token_idx - query_start_token_idx) < min_len[bi]) {
for (int i = 0; i < end_length; i++) {
logits[token_idx * length + eos_token_id[i]] = -1e4;
}
if (cur_len[bi] < 0) {
return;
}
if (cur_len[bi] + (token_idx - query_start_token_idx) < min_len[bi]) {
for (int i = 0; i < end_length; i++) {
logits[token_idx * length + eos_token_id[i]] = -1e4;
}
}
}
__global__ void update_repeat_times(const int64_t *pre_ids,
@@ -81,21 +81,21 @@ __global__ void update_repeat_times(const int64_t *pre_ids,
const int64_t length,
const int64_t length_id,
const int max_seq_len) {
const int token_idx = blockIdx.x;
if (token_idx >= token_num) return;
const int bi = (token_idx + output_padding_offset[token_idx]) / max_seq_len;
if (bi >= bs) return;
if (cur_len[bi] < 0) {
return;
}
int tid = threadIdx.x;
const int64_t *pre_ids_now = pre_ids + bi * length_id;
int *repeat_times_now = repeat_times + token_idx * length;
for (int i = tid; i < length_id; i += blockDim.x) {
int64_t id = pre_ids_now[i];
if (id < 0) break;
atomicAdd(&repeat_times_now[id], 1);
}
const int token_idx = blockIdx.x;
if (token_idx >= token_num) return;
const int bi = (token_idx + output_padding_offset[token_idx]) / max_seq_len;
if (bi >= bs) return;
if (cur_len[bi] < 0) {
return;
}
int tid = threadIdx.x;
const int64_t *pre_ids_now = pre_ids + bi * length_id;
int *repeat_times_now = repeat_times + token_idx * length;
for (int i = tid; i < length_id; i += blockDim.x) {
int64_t id = pre_ids_now[i];
if (id < 0) break;
atomicAdd(&repeat_times_now[id], 1);
}
}
template <typename T>
@@ -110,47 +110,52 @@ __global__ void update_value_by_repeat_times(const int *repeat_times,
const int64_t bs,
const int64_t length,
const int max_seq_len) {
const int token_idx = blockIdx.x;
if (token_idx >= token_num) return;
const int bi = (token_idx + output_padding_offset[token_idx]) / max_seq_len;
if (bi >= bs) return;
int tid = threadIdx.x;
T *logits_now = logits + token_idx * length;
const int *repeat_times_now = repeat_times + token_idx * length;
float alpha = static_cast<float>(penalty_scores[bi]);
float beta = static_cast<float>(frequency_score[bi]);
float gamma = static_cast<float>(presence_score[bi]);
for (int i = tid; i < length; i += blockDim.x) {
int times = repeat_times_now[i];
float logit_now = static_cast<float>(logits_now[i]);
if (times != 0) {
logit_now = logit_now < 0 ? logit_now * alpha : logit_now / alpha;
logit_now = logit_now - times * beta - gamma;
}
logits_now[i] = static_cast<T>(logit_now / temperatures[bi]);
const int token_idx = blockIdx.x;
if (token_idx >= token_num) return;
const int bi = (token_idx + output_padding_offset[token_idx]) / max_seq_len;
if (bi >= bs) return;
int tid = threadIdx.x;
T *logits_now = logits + token_idx * length;
const int *repeat_times_now = repeat_times + token_idx * length;
float alpha = static_cast<float>(penalty_scores[bi]);
float beta = static_cast<float>(frequency_score[bi]);
float gamma = static_cast<float>(presence_score[bi]);
for (int i = tid; i < length; i += blockDim.x) {
int times = repeat_times_now[i];
float logit_now = static_cast<float>(logits_now[i]);
if (times != 0) {
logit_now = logit_now < 0 ? logit_now * alpha : logit_now / alpha;
logit_now = logit_now - times * beta - gamma;
}
logits_now[i] = static_cast<T>(logit_now / temperatures[bi]);
}
}
template <typename T>
__global__ void ban_bad_words(T *logits,
const int64_t *bad_words_list,
const int64_t *bad_tokens,
const int64_t *bad_tokens_len,
const int *output_padding_offset,
const int64_t token_num,
const int64_t bs,
const int64_t length,
const int64_t bad_words_length,
const int max_seq_len) {
const int token_idx = blockIdx.x;
if (token_idx >= token_num) return;
const int bi = (token_idx + output_padding_offset[token_idx]) / max_seq_len;
if (bi >= bs) return;
int tid = threadIdx.x;
T *logits_now = logits + token_idx * length;
for (int i = tid; i < bad_words_length; i += blockDim.x) {
const int64_t bad_words_token_id = bad_words_list[i];
if (bad_words_token_id >= length || bad_words_token_id < 0) continue;
logits_now[bad_words_token_id] = -1e10;
}
const int token_idx = blockIdx.x;
if (token_idx >= token_num) return;
const int bi = (token_idx + output_padding_offset[token_idx]) / max_seq_len;
if (bi >= bs) return;
int tid = threadIdx.x;
T *logits_now = logits + token_idx * length;
const int64_t *bad_tokens_now = bad_tokens + bi * bad_words_length;
const int32_t bad_token_len =
static_cast<int32_t>(min(bad_tokens_len[bi], bad_words_length));
for (int i = tid; i < bad_token_len; i += blockDim.x) {
const int64_t bad_words_token_id = bad_tokens_now[i];
if (bad_words_token_id >= length || bad_words_token_id < 0) continue;
logits_now[bad_words_token_id] = -1e10;
}
}
template <paddle::DataType D>
@@ -162,6 +167,7 @@ void token_penalty_multi_scores_kernel(
const paddle::Tensor &presence_score,
const paddle::Tensor &temperatures,
const paddle::Tensor &bad_tokens,
const paddle::Tensor &bad_tokens_len,
const paddle::Tensor &cur_len,
const paddle::Tensor &min_len,
const paddle::Tensor &eos_token_id,
@@ -169,156 +175,159 @@ void token_penalty_multi_scores_kernel(
const paddle::Tensor &output_padding_offset,
const paddle::Tensor &output_cum_offsets,
const int max_seq_len) {
typedef PDTraits<D> traits_;
typedef typename traits_::DataType DataType_;
typedef typename traits_::data_t data_t;
auto cu_stream = logits.stream();
std::vector<int64_t> shape = logits.shape();
auto repeat_times =
paddle::full(shape, 0, paddle::DataType::INT32, pre_ids.place());
int64_t bs = seq_lens_this_time.shape()[0];
int64_t token_num = shape[0];
int64_t length = shape[1];
int64_t length_id = pre_ids.shape()[1];
int64_t length_bad_words = bad_tokens.shape()[1];
typedef PDTraits<D> traits_;
typedef typename traits_::DataType DataType_;
typedef typename traits_::data_t data_t;
auto cu_stream = logits.stream();
std::vector<int64_t> shape = logits.shape();
auto repeat_times =
paddle::full(shape, 0, paddle::DataType::INT32, pre_ids.place());
int64_t bs = seq_lens_this_time.shape()[0];
int64_t token_num = shape[0];
int64_t length = shape[1];
int64_t length_id = pre_ids.shape()[1];
int64_t length_bad_words = bad_tokens.shape()[1];
int64_t end_length = eos_token_id.shape()[0];
int64_t end_length = eos_token_id.shape()[0];
int block_size = (token_num + 32 - 1) / 32 * 32;
min_length_logits_process<<<1, block_size, 0, cu_stream>>>(
reinterpret_cast<DataType_ *>(
const_cast<data_t *>(logits.data<data_t>())),
cur_len.data<int64_t>(),
min_len.data<int64_t>(),
eos_token_id.data<int64_t>(),
output_padding_offset.data<int>(),
output_cum_offsets.data<int>(),
token_num,
bs,
length,
end_length,
max_seq_len);
int block_size = (token_num + 32 - 1) / 32 * 32;
min_length_logits_process<<<1, block_size, 0, cu_stream>>>(
reinterpret_cast<DataType_ *>(
const_cast<data_t *>(logits.data<data_t>())),
cur_len.data<int64_t>(),
min_len.data<int64_t>(),
eos_token_id.data<int64_t>(),
output_padding_offset.data<int>(),
output_cum_offsets.data<int>(),
token_num,
bs,
length,
end_length,
max_seq_len);
block_size = (length_id + 32 - 1) / 32 * 32;
block_size = min(block_size, 512);
update_repeat_times<<<token_num, block_size, 0, cu_stream>>>(
pre_ids.data<int64_t>(),
cur_len.data<int64_t>(),
repeat_times.data<int>(),
output_padding_offset.data<int>(),
token_num,
bs,
length,
length_id,
max_seq_len);
block_size = (length_id + 32 - 1) / 32 * 32;
block_size = min(block_size, 512);
update_repeat_times<<<token_num, block_size, 0, cu_stream>>>(
pre_ids.data<int64_t>(),
cur_len.data<int64_t>(),
repeat_times.data<int>(),
output_padding_offset.data<int>(),
token_num,
bs,
length,
length_id,
max_seq_len);
block_size = (length + 32 - 1) / 32 * 32;
block_size = min(block_size, 512);
update_value_by_repeat_times<DataType_>
<<<token_num, block_size, 0, cu_stream>>>(
repeat_times.data<int>(),
reinterpret_cast<DataType_ *>(
const_cast<data_t *>(penalty_scores.data<data_t>())),
reinterpret_cast<DataType_ *>(
const_cast<data_t *>(frequency_score.data<data_t>())),
reinterpret_cast<DataType_ *>(
const_cast<data_t *>(presence_score.data<data_t>())),
temperatures.data<float>(),
reinterpret_cast<DataType_ *>(
const_cast<data_t *>(logits.data<data_t>())),
output_padding_offset.data<int>(),
token_num,
bs,
length,
max_seq_len);
block_size = (length_bad_words + 32 - 1) / 32 * 32;
block_size = min(block_size, 512);
ban_bad_words<DataType_><<<token_num, block_size, 0, cu_stream>>>(
reinterpret_cast<DataType_ *>(
const_cast<data_t *>(logits.data<data_t>())),
bad_tokens.data<int64_t>(),
output_padding_offset.data<int>(),
token_num,
bs,
length,
length_bad_words,
max_seq_len);
block_size = (length + 32 - 1) / 32 * 32;
block_size = min(block_size, 512);
update_value_by_repeat_times<DataType_>
<<<token_num, block_size, 0, cu_stream>>>(
repeat_times.data<int>(),
reinterpret_cast<DataType_ *>(
const_cast<data_t *>(penalty_scores.data<data_t>())),
reinterpret_cast<DataType_ *>(
const_cast<data_t *>(frequency_score.data<data_t>())),
reinterpret_cast<DataType_ *>(
const_cast<data_t *>(presence_score.data<data_t>())),
temperatures.data<float>(),
reinterpret_cast<DataType_ *>(
const_cast<data_t *>(logits.data<data_t>())),
output_padding_offset.data<int>(),
token_num,
bs,
length,
max_seq_len);
block_size = (length_bad_words + 32 - 1) / 32 * 32;
block_size = min(block_size, 512);
ban_bad_words<DataType_><<<token_num, block_size, 0, cu_stream>>>(
reinterpret_cast<DataType_ *>(
const_cast<data_t *>(logits.data<data_t>())),
bad_tokens.data<int64_t>(),
bad_tokens_len.data<int64_t>(),
output_padding_offset.data<int>(),
token_num,
bs,
length,
length_bad_words,
max_seq_len);
}
void SpecTokenPenaltyMultiScores(const paddle::Tensor &pre_ids,
const paddle::Tensor &logits,
const paddle::Tensor &penalty_scores,
const paddle::Tensor &frequency_scores,
const paddle::Tensor &presence_scores,
const paddle::Tensor &temperatures,
const paddle::Tensor &bad_tokens,
const paddle::Tensor &cur_len,
const paddle::Tensor &min_len,
const paddle::Tensor &eos_token_id,
const paddle::Tensor &seq_lens_this_time,
const paddle::Tensor &output_padding_offset,
const paddle::Tensor &output_cum_offsets,
const int max_seq_len) {
switch (logits.type()) {
case paddle::DataType::BFLOAT16: {
return token_penalty_multi_scores_kernel<
paddle::DataType::BFLOAT16>(pre_ids,
logits,
penalty_scores,
frequency_scores,
presence_scores,
temperatures,
bad_tokens,
cur_len,
min_len,
eos_token_id,
seq_lens_this_time,
output_padding_offset,
output_cum_offsets,
max_seq_len);
}
case paddle::DataType::FLOAT16: {
return token_penalty_multi_scores_kernel<paddle::DataType::FLOAT16>(
pre_ids,
logits,
penalty_scores,
frequency_scores,
presence_scores,
temperatures,
bad_tokens,
cur_len,
min_len,
eos_token_id,
seq_lens_this_time,
output_padding_offset,
output_cum_offsets,
max_seq_len);
}
case paddle::DataType::FLOAT32: {
return token_penalty_multi_scores_kernel<paddle::DataType::FLOAT32>(
pre_ids,
logits,
penalty_scores,
frequency_scores,
presence_scores,
temperatures,
bad_tokens,
cur_len,
min_len,
eos_token_id,
seq_lens_this_time,
output_padding_offset,
output_cum_offsets,
max_seq_len);
}
default: {
PD_THROW(
"NOT supported data type. "
"Only float16, bfloat16 and float32 are supported. ");
break;
}
const paddle::Tensor &logits,
const paddle::Tensor &penalty_scores,
const paddle::Tensor &frequency_scores,
const paddle::Tensor &presence_scores,
const paddle::Tensor &temperatures,
const paddle::Tensor &bad_tokens,
const paddle::Tensor &bad_tokens_len,
const paddle::Tensor &cur_len,
const paddle::Tensor &min_len,
const paddle::Tensor &eos_token_id,
const paddle::Tensor &seq_lens_this_time,
const paddle::Tensor &output_padding_offset,
const paddle::Tensor &output_cum_offsets,
const int max_seq_len) {
switch (logits.type()) {
case paddle::DataType::BFLOAT16: {
return token_penalty_multi_scores_kernel<paddle::DataType::BFLOAT16>(
pre_ids,
logits,
penalty_scores,
frequency_scores,
presence_scores,
temperatures,
bad_tokens,
bad_tokens_len,
cur_len,
min_len,
eos_token_id,
seq_lens_this_time,
output_padding_offset,
output_cum_offsets,
max_seq_len);
}
case paddle::DataType::FLOAT16: {
return token_penalty_multi_scores_kernel<paddle::DataType::FLOAT16>(
pre_ids,
logits,
penalty_scores,
frequency_scores,
presence_scores,
temperatures,
bad_tokens,
bad_tokens_len,
cur_len,
min_len,
eos_token_id,
seq_lens_this_time,
output_padding_offset,
output_cum_offsets,
max_seq_len);
}
case paddle::DataType::FLOAT32: {
return token_penalty_multi_scores_kernel<paddle::DataType::FLOAT32>(
pre_ids,
logits,
penalty_scores,
frequency_scores,
presence_scores,
temperatures,
bad_tokens,
bad_tokens_len,
cur_len,
min_len,
eos_token_id,
seq_lens_this_time,
output_padding_offset,
output_cum_offsets,
max_seq_len);
}
default: {
PD_THROW(
"NOT supported data type. "
"Only float16, bfloat16 and float32 are supported. ");
break;
}
}
}
PD_BUILD_STATIC_OP(speculate_get_token_penalty_multi_scores)
@@ -329,6 +338,7 @@ PD_BUILD_STATIC_OP(speculate_get_token_penalty_multi_scores)
"presence_scores",
"temperatures",
"bad_tokens",
"bad_tokens_len",
"cur_len",
"min_len",
"eos_token_id",