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author0cc4m <picard12@live.de>2024-06-16 07:17:31 +0200
committerGitHub <noreply@github.com>2024-06-16 07:17:31 +0200
commit7c7836d9d4062d6858e3fb337b135c417ccee6ce (patch)
treec896967a106e2985763bf1c7bfd7bfb8cbe4f0fd /vulkan-shaders/mul_mat_vec_p021.comp
parent0c7b3595b9e5ad2355818e259f06b0dc3f0065b3 (diff)
Vulkan Shader Refactor, Memory Debugging Option (#7947)
* Refactor shaders, extract GLSL code from ggml_vk_generate_shaders.py into vulkan-shaders directory * Improve debug log code * Add memory debug output option * Fix flake8 * Fix unnecessary high llama-3 VRAM use
Diffstat (limited to 'vulkan-shaders/mul_mat_vec_p021.comp')
-rw-r--r--vulkan-shaders/mul_mat_vec_p021.comp73
1 files changed, 73 insertions, 0 deletions
diff --git a/vulkan-shaders/mul_mat_vec_p021.comp b/vulkan-shaders/mul_mat_vec_p021.comp
new file mode 100644
index 00000000..4b1871ca
--- /dev/null
+++ b/vulkan-shaders/mul_mat_vec_p021.comp
@@ -0,0 +1,73 @@
+#version 450
+
+#extension GL_EXT_control_flow_attributes : enable
+#extension GL_EXT_shader_16bit_storage : require
+
+#define BLOCK_SIZE 32
+#define FLOAT_TYPE float
+
+layout(local_size_x = BLOCK_SIZE, local_size_y = 1, local_size_z = 1) in;
+
+layout (binding = 0) readonly buffer A {A_TYPE data_a[];};
+layout (binding = 1) readonly buffer B {B_TYPE data_b[];};
+layout (binding = 2) writeonly buffer D {D_TYPE dst[];};
+
+layout (push_constant) uniform parameter
+{
+ uint ncols_x;
+ uint nrows_x;
+ uint nchannels_x;
+ uint nchannels_y;
+ uint b_offset;
+ uint d_offset;
+} p;
+
+shared FLOAT_TYPE tmp[BLOCK_SIZE];
+
+void main() {
+ const uint tid = gl_LocalInvocationID.x;
+ const uint row_x = gl_GlobalInvocationID.y;
+ const uint channel = gl_GlobalInvocationID.z;
+ const uint channel_x = channel / (p.nchannels_y / p.nchannels_x);
+
+ const uint nrows_y = p.ncols_x;
+ const uint nrows_dst = p.nrows_x;
+ const uint row_dst = row_x;
+
+ tmp[tid] = FLOAT_TYPE(0.0f);
+
+ for (uint col_x0 = 0; col_x0 < p.ncols_x; col_x0 += BLOCK_SIZE) {
+ const uint col_x = col_x0 + tid;
+
+ if (col_x >= p.ncols_x) {
+ break;
+ }
+
+ // x is transposed and permuted
+ const uint ix = row_x*p.nchannels_x*p.ncols_x + channel_x*p.ncols_x + col_x;
+ const FLOAT_TYPE xi = FLOAT_TYPE(data_a[ix]);
+
+ const uint row_y = col_x;
+
+ // y is not transposed but permuted
+ const uint iy = channel*nrows_y + row_y;
+
+ tmp[tid] += xi * FLOAT_TYPE(data_b[iy]);
+ }
+
+ // dst is not transposed and not permuted
+ const uint idst = channel*nrows_dst + row_dst;
+
+ // sum up partial sums and write back result
+ barrier();
+ [[unroll]] for (int s = BLOCK_SIZE / 2; s > 0; s >>= 1) {
+ if (tid < s) {
+ tmp[tid] += tmp[tid + s];
+ }
+ barrier();
+ }
+
+ if (tid == 0) {
+ dst[idst] = tmp[0];
+ }
+}