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llama : remove obsolete comments in build graphs

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Georgi Gerganov 2023-10-29 21:44:19 +02:00
parent a104abea48
commit c9121fdd0f
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1 changed files with 1 additions and 38 deletions
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@ -3638,7 +3638,6 @@ static struct ggml_cgraph * llm_build_baichaun(
// self-attention
{
// compute Q and K and RoPE them
struct ggml_tensor * Qcur = ggml_mul_mat(ctx0, model.layers[il].wq, cur);
cb(Qcur, "Qcur", il);
@ -3676,12 +3675,9 @@ static struct ggml_cgraph * llm_build_baichaun(
ggml_element_size(kv_self.k)*n_embd_gqa*n_ctx*il);
cb(K, "K", il);
// K * Q
struct ggml_tensor * KQ = ggml_mul_mat(ctx0, K, Q);
cb(KQ, "KQ", il);
// KQ_scaled = KQ / sqrt(n_embd_head)
// KQ_scaled shape [n_past + n_tokens, n_tokens, n_head, 1]
struct ggml_tensor * KQ_scaled = ggml_scale(ctx0, KQ, KQ_scale);
cb(KQ_scaled, "KQ_scaled", il);
@ -3694,7 +3690,7 @@ static struct ggml_cgraph * llm_build_baichaun(
break;
case MODEL_13B:
// TODO: replace with ggml_add()
KQ_scaled_alibi = ggml_alibi(ctx0, KQ_scaled, /*n_past*/ 0, n_head, 8);
KQ_scaled_alibi = ggml_alibi(ctx0, KQ_scaled, /*n_past*/ 0, n_head, 8); // TODO: n_head or n_head_kv
cb(KQ_scaled_alibi, "KQ_scaled_alibi", il);
KQ_masked = ggml_add(ctx0, KQ_scaled_alibi, KQ_mask);
break;
@ -3702,11 +3698,9 @@ static struct ggml_cgraph * llm_build_baichaun(
GGML_ASSERT(false);
}
// KQ = soft_max(KQ_masked)
struct ggml_tensor * KQ_soft_max = ggml_soft_max(ctx0, KQ_masked);
cb(KQ_soft_max, "KQ_soft_max", il);
// split cached V into n_head heads
struct ggml_tensor * V =
ggml_view_3d(ctx0, kv_self.v,
n_kv, n_embd_head, n_head_kv,
@ -3718,15 +3712,12 @@ static struct ggml_cgraph * llm_build_baichaun(
struct ggml_tensor * KQV = ggml_mul_mat(ctx0, V, KQ_soft_max);
cb(KQV, "KQV", il);
// KQV_merged = KQV.permute(0, 2, 1, 3)
struct ggml_tensor * KQV_merged = ggml_permute(ctx0, KQV, 0, 2, 1, 3);
cb(KQV_merged, "KQV_merged", il);
// cur = KQV_merged.contiguous().view(n_embd, n_tokens)
cur = ggml_cont_2d(ctx0, KQV_merged, n_embd, n_tokens);
cb(cur, "KQV_merged_contiguous", il);
// projection (no bias)
cur = ggml_mul_mat(ctx0,
model.layers[il].wo,
cur);
@ -3882,7 +3873,6 @@ static struct ggml_cgraph * llm_build_falcon(
cur = attn_norm;
}
// compute QKV
cur = ggml_mul_mat(ctx0, model.layers[il].wqkv, cur);
cb(cur, "wqkv", il);
@ -4106,24 +4096,18 @@ static struct ggml_cgraph * llm_build_starcoder(
ggml_element_size(kv_self.k)*n_embd_gqa*n_ctx*il);
cb(K, "K", il);
// K * Q
struct ggml_tensor * KQ = ggml_mul_mat(ctx0, K, Q);
cb(KQ, "KQ", il);
// KQ_scaled = KQ / sqrt(n_embd_head)
// KQ_scaled shape [n_past + n_tokens, n_tokens, n_head, 1]
struct ggml_tensor * KQ_scaled = ggml_scale_inplace(ctx0, KQ, KQ_scale);
cb(KQ_scaled, "KQ_scaled", il);
// KQ_masked = mask_past(KQ_scaled)
struct ggml_tensor * KQ_masked = ggml_add(ctx0, KQ_scaled, KQ_mask);
cb(KQ_masked, "KQ_masked", il);
// KQ = soft_max(KQ_masked)
struct ggml_tensor * KQ_soft_max = ggml_soft_max_inplace(ctx0, KQ_masked);
cb(KQ_soft_max, "KQ_soft_max", il);
// split cached V into n_head heads
struct ggml_tensor * V =
ggml_view_3d(ctx0, kv_self.v,
n_kv, n_embd_head, n_head_kv,
@ -4142,7 +4126,6 @@ static struct ggml_cgraph * llm_build_starcoder(
cb(cur, "KQV_merged_contiguous", il);
}
// Projection
cur = ggml_add(ctx0, ggml_mul_mat(ctx0, model.layers[il].wo, cur), model.layers[il].bo);
cb(cur, "result_wo", il);
@ -4506,8 +4489,6 @@ static struct ggml_cgraph * llm_build_refact(
const int32_t n_kv = worst_case ? n_ctx : kv_self.n;
const int32_t kv_head = worst_case ? n_ctx - n_tokens : kv_self.head;
// printf("n_kv = %d\n", n_kv);
auto & buf_compute = lctx.buf_compute;
struct ggml_init_params params = {
@ -4584,27 +4565,21 @@ static struct ggml_cgraph * llm_build_refact(
ggml_element_size(kv_self.k)*n_embd_gqa*n_ctx*il);
cb(K, "K", il);
// K * Q
struct ggml_tensor * KQ = ggml_mul_mat(ctx0, K, Q);
cb(KQ, "KQ", il);
// KQ_scaled = KQ / sqrt(n_embd_head)
// KQ_scaled shape [n_kv, n_tokens, n_head, 1]
struct ggml_tensor * KQ_scaled = ggml_scale(ctx0, KQ, KQ_scale);
cb(KQ_scaled, "KQ_scaled", il);
// KQ_masked = mask_past(KQ_scaled)
struct ggml_tensor * KQ_scaled_alibi = ggml_alibi(ctx0, KQ_scaled, /*n_past*/ 0, n_head, 8);
cb(KQ_scaled_alibi, "KQ_scaled_alibi", il);
struct ggml_tensor * KQ_masked = ggml_add(ctx0, KQ_scaled_alibi, KQ_mask);
cb(KQ_masked, "KQ_masked", il);
// KQ = soft_max(KQ_masked)
struct ggml_tensor * KQ_soft_max = ggml_soft_max(ctx0, KQ_masked);
cb(KQ_soft_max, "KQ_soft_max", il);
// split cached V into n_head heads
struct ggml_tensor * V =
ggml_view_3d(ctx0, kv_self.v,
n_kv, n_embd_head, n_head_kv,
@ -4616,15 +4591,12 @@ static struct ggml_cgraph * llm_build_refact(
struct ggml_tensor * KQV = ggml_mul_mat(ctx0, V, KQ_soft_max);
cb(KQV, "KQV", il);
// KQV_merged = KQV.permute(0, 2, 1, 3)
struct ggml_tensor * KQV_merged = ggml_permute(ctx0, KQV, 0, 2, 1, 3);
cb(KQV_merged, "KQV_merged", il);
// cur = KQV_merged.contiguous().view(n_embd, n_tokens)
cur = ggml_cont_2d(ctx0, KQV_merged, n_embd, n_tokens);
cb(cur, "KQV_merged_contiguous", il);
// projection (no bias)
cur = ggml_mul_mat(ctx0,
model.layers[il].wo,
cur);
@ -4789,27 +4761,21 @@ static struct ggml_cgraph * llm_build_bloom(
ggml_element_size(kv_self.k)*n_embd_gqa*n_ctx*il);
cb(K, "K", il);
// K * Q
struct ggml_tensor * KQ = ggml_mul_mat(ctx0, K, Q);
cb(KQ, "KQ", il);
// KQ_scaled = KQ / sqrt(n_embd_head)
// KQ_scaled shape [n_past + n_tokens, n_tokens, n_head, 1]
struct ggml_tensor * KQ_scaled = ggml_scale_inplace(ctx0, KQ, KQ_scale);
cb(KQ_scaled, "KQ_scaled", il);
struct ggml_tensor * KQ_scaled_alibi = ggml_alibi(ctx0, KQ_scaled, /*n_past*/ kv_head, n_head, 8);
cb(KQ_scaled_alibi, "KQ_scaled_alibi", il);
// KQ_masked = mask_past(KQ_scaled)
struct ggml_tensor * KQ_masked = ggml_add(ctx0, KQ_scaled_alibi, KQ_mask);
cb(KQ_masked, "KQ_masked", il);
// KQ = soft_max(KQ_masked)
struct ggml_tensor * KQ_soft_max = ggml_soft_max_inplace(ctx0, KQ_masked);
cb(KQ_soft_max, "KQ_soft_max", il);
// split cached V into n_head heads
struct ggml_tensor * V =
ggml_view_3d(ctx0, kv_self.v,
n_kv, n_embd_head, n_head_kv,
@ -4821,16 +4787,13 @@ static struct ggml_cgraph * llm_build_bloom(
struct ggml_tensor * KQV = ggml_mul_mat(ctx0, V, KQ_soft_max);
cb(KQV, "KQV", il);
// KQV_merged = KQV.permute(0, 2, 1, 3)
struct ggml_tensor * KQV_merged = ggml_permute(ctx0, KQV, 0, 2, 1, 3);
cb(KQV_merged, "KQV_merged", il);
// cur = KQV_merged.contiguous().view(n_embd, n_tokens)
cur = ggml_cont_2d(ctx0, KQV_merged, n_embd, n_tokens);
cb(cur, "KQV_merged_contiguous", il);
}
// Projection
cur = ggml_mul_mat(ctx0, model.layers[il].wo, cur);
cb(cur, "result_wo", il);