vbatts/llama.cpp
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Increase max flattened gridpoints to 64

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Signed-off-by: Alex-Brooks <Alex.Brooks@ibm.com>
This commit is contained in:
Alex-Brooks 2025-01-27 14:45:32 -07:00
parent 987f76840a
commit e1ec851121
1 changed files with 12 additions and 7 deletions
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19
examples/llava/clip.cpp
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@ -170,6 +170,9 @@ static std::string format(const char * fmt, ...) {
#define TN_GLM_BOI_W "adapter.boi"
#define TN_GLM_EOI_W "adapter.eoi"
// Other constants for max array lengths of hparams etc
#define MAX_IMAGE_GRID_PINPOINTS 64
#define MAX_VISION_FEATURE_LAYERS 4
enum projector_type {
PROJECTOR_TYPE_MLP,
@ -430,7 +433,6 @@ static void clip_image_convert_f32_to_u8(const clip_image_f32& src, clip_image_u
//
// clip layers
//
struct clip_hparams {
int32_t image_size;
int32_t patch_size;
@ -444,9 +446,9 @@ struct clip_hparams {
char mm_patch_merge_type[32] = "flat"; // spatial_unpad or flat (default)
int32_t image_grid_pinpoints[32]; // TODO - check to make sure this is okay for our model...
int32_t image_grid_pinpoints[MAX_IMAGE_GRID_PINPOINTS];
int32_t image_crop_resolution;
int32_t vision_feature_layer[4];
int32_t vision_feature_layer[MAX_VISION_FEATURE_LAYERS];
};
struct clip_layer {
@ -1473,10 +1475,13 @@ struct clip_ctx * clip_model_load(const char * fname, const int verbosity = 1) {
int idx = get_key_idx(ctx, KEY_IMAGE_GRID_PINPOINTS);
int n = gguf_get_arr_n(ctx, idx);
const int32_t * pinpoints = (const int32_t *)gguf_get_arr_data(ctx, idx);
for (int i = 0; i < 32 && i < n && pinpoints[i] != 0; ++i) {
LOG_INF("Grid pinpoints | max %d | actual %d ", MAX_IMAGE_GRID_PINPOINTS, n);
for (int i = 0; i < MAX_IMAGE_GRID_PINPOINTS && i < n && pinpoints[i] != 0; ++i) {
LOG_INF(" %d ", i);
hparams.image_grid_pinpoints[i] = pinpoints[i];
}
if (n < 32)
LOG_INF("\n");
if (n < MAX_IMAGE_GRID_PINPOINTS)
hparams.image_grid_pinpoints[n] = 0;
} catch (std::runtime_error & /*e*/) {
hparams.image_grid_pinpoints[0]=0;
@ -1546,7 +1551,7 @@ struct clip_ctx * clip_model_load(const char * fname, const int verbosity = 1) {
LOG_INF("v_image_mean %f %f %f\n", new_clip->image_mean[0], new_clip->image_mean[1], new_clip->image_mean[2]);
LOG_INF("v_image_std %f %f %f\n", new_clip->image_std[0], new_clip->image_std[1], new_clip->image_std[2]);
LOG_INF("v_image_grid_pinpoints: ");
for (int i = 0; i < 32 && (hparams.image_grid_pinpoints[i] != 0); ++i) {
for (int i = 0; i < MAX_IMAGE_GRID_PINPOINTS && (hparams.image_grid_pinpoints[i] != 0); ++i) {
LOG_INF("%d ", hparams.image_grid_pinpoints[i]);
}
LOG_INF("\n");
@ -2305,7 +2310,7 @@ bool clip_image_preprocess(struct clip_ctx * ctx, const clip_image_u8 * img, cli
if (params.image_grid_pinpoints[0] != 0) {
// "spatial_unpad" with "anyres" processing for llava-1.6
std::vector<std::pair<int, int>> possible_resolutions;
for (int i = 0; i < 32 && params.image_grid_pinpoints[i] != 0; i+=2) {
for (int i = 0; i < MAX_IMAGE_GRID_PINPOINTS && params.image_grid_pinpoints[i] != 0; i+=2) {
possible_resolutions.push_back({params.image_grid_pinpoints[i], params.image_grid_pinpoints[i+1]});
}
std::pair<int, int> best_resolution = select_best_resolution({img->nx, img->ny}, possible_resolutions);