From 6bc2b992be0bb7511ea881f8ebbbd2ba7f1b5109 Mon Sep 17 00:00:00 2001
From: Tim Dettmers <tim.dettmers@gmail.com>
Date: Sun, 6 Nov 2022 16:27:48 -0800
Subject: Added blocksizes 2048, 1024, and 512 to blockwise quant.

---
 csrc/kernels.cu | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

(limited to 'csrc/kernels.cu')

diff --git a/csrc/kernels.cu b/csrc/kernels.cu
index f01b4e1..9d9653c 100644
--- a/csrc/kernels.cu
+++ b/csrc/kernels.cu
@@ -428,16 +428,16 @@ __global__ void kQuantize(float * code, float * __restrict__ const A, unsigned c
 }
 
 template<typename T, int BLOCK_SIZE, int NUM_PER_TH, int STOCHASTIC>
-__launch_bounds__(TH, 4)
+//__launch_bounds__(TH, 4)
 __global__ void kQuantizeBlockwise(float * code, T * __restrict__ const A, float *absmax, unsigned char *out, float * __restrict__ const rand, const int rand_offset, const int n)
 {
   const int n_full = gridDim.x * BLOCK_SIZE;
   int valid_items = 0;
   const int base_idx = (blockIdx.x * BLOCK_SIZE);
 
-  T vals[NUM];
-  float rand_vals[NUM];
-  unsigned char qvals[NUM];
+  T vals[NUM_PER_TH];
+  float rand_vals[NUM_PER_TH];
+  unsigned char qvals[NUM_PER_TH];
   //float local_abs_max = -FLT_MAX;
   float local_abs_max = 0.0f;
   int local_rand_idx = 0;
@@ -517,8 +517,8 @@ __global__ void kDequantizeBlockwise(float *code, unsigned char * __restrict__ c
   int valid_items = 0;
   const int base_idx = (blockIdx.x * BLOCK_SIZE);
 
-  T vals[NUM];
-  unsigned char qvals[NUM];
+  T vals[NUM_PER_TH];
+  unsigned char qvals[NUM_PER_TH];
   float local_abs_max = -FLT_MAX;
 
   typedef cub::BlockLoad<unsigned char, THREADS, NUM_PER_TH, cub::BLOCK_LOAD_WARP_TRANSPOSE> LoadChar;
@@ -2791,11 +2791,21 @@ template __global__ void kQuantizeBlockwise<half, 4096, 4, 0>(float * code, half
 template __global__ void kQuantizeBlockwise<float, 4096, 4, 0>(float * code, float * __restrict__ const A, float *absmax, unsigned char *out, float * __restrict__ const rand, const int rand_offset, const int n);
 template __global__ void kQuantizeBlockwise<half, 4096, 4, 1>(float * code, half * __restrict__ const A, float *absmax, unsigned char *out, float * __restrict__ const rand, const int rand_offset, const int n);
 template __global__ void kQuantizeBlockwise<float, 4096, 4, 1>(float * code, float * __restrict__ const A, float *absmax, unsigned char *out, float * __restrict__ const rand, const int rand_offset, const int n);
+template __global__ void kQuantizeBlockwise<half, 2048, 4, 0>(float * code, half * __restrict__ const A, float *absmax, unsigned char *out, float * __restrict__ const rand, const int rand_offset, const int n);
+template __global__ void kQuantizeBlockwise<float, 2048, 4, 0>(float * code, float * __restrict__ const A, float *absmax, unsigned char *out, float * __restrict__ const rand, const int rand_offset, const int n);
+template __global__ void kQuantizeBlockwise<half, 1024, 4, 0>(float * code, half * __restrict__ const A, float *absmax, unsigned char *out, float * __restrict__ const rand, const int rand_offset, const int n);
+template __global__ void kQuantizeBlockwise<float, 1024, 4, 0>(float * code, float * __restrict__ const A, float *absmax, unsigned char *out, float * __restrict__ const rand, const int rand_offset, const int n);
+template __global__ void kQuantizeBlockwise<half, 512, 2, 0>(float * code, half * __restrict__ const A, float *absmax, unsigned char *out, float * __restrict__ const rand, const int rand_offset, const int n);
+template __global__ void kQuantizeBlockwise<float, 512, 2, 0>(float * code, float * __restrict__ const A, float *absmax, unsigned char *out, float * __restrict__ const rand, const int rand_offset, const int n);
 
 template __global__ void kDequantizeBlockwise<half, 4096, 1024, 4>(float *code, unsigned char * __restrict__ const A, float * __restrict__ const absmax, half *out, const int n);
 template __global__ void kDequantizeBlockwise<float, 4096, 1024, 4>(float *code, unsigned char * __restrict__ const A, float * __restrict__ const absmax, float *out, const int n);
 template __global__ void kDequantizeBlockwise<half, 2048, 512, 4>(float *code, unsigned char * __restrict__ const A, float * __restrict__ const absmax, half *out, const int n);
 template __global__ void kDequantizeBlockwise<float, 2048, 512, 4>(float *code, unsigned char * __restrict__ const A, float * __restrict__ const absmax, float *out, const int n);
+template __global__ void kDequantizeBlockwise<half, 1024, 256, 4>(float *code, unsigned char * __restrict__ const A, float * __restrict__ const absmax, half *out, const int n);
+template __global__ void kDequantizeBlockwise<float, 1024, 256, 4>(float *code, unsigned char * __restrict__ const A, float * __restrict__ const absmax, float *out, const int n);
+template __global__ void kDequantizeBlockwise<half, 512, 256, 2>(float *code, unsigned char * __restrict__ const A, float * __restrict__ const absmax, half *out, const int n);
+template __global__ void kDequantizeBlockwise<float, 512, 256, 2>(float *code, unsigned char * __restrict__ const A, float * __restrict__ const absmax, float *out, const int n);
 
 
 
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