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gpt4v not working correctly

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Concedo
2025-12-17 21:02:16 +08:00
parent 1daeed5d4d 982060fadc
commit 1f2c9f6b62
35 changed files with 2806 additions and 2993 deletions
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src/llama.cpp
+52 -26
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@@ -95,8 +95,9 @@ static std::vector<llama_device_memory_data> llama_get_device_memory_data(
}, &ud);
llama_model_params mparams_copy = *mparams;
mparams_copy.no_alloc = true;
mparams_copy.use_mmap = false;
mparams_copy.no_alloc = true;
mparams_copy.use_mmap = false;
mparams_copy.use_mlock = false;
llama_model * model = llama_model_load_from_file(path_model, mparams_copy);
if (model == nullptr) {
@@ -204,11 +205,12 @@ static void llama_params_fit_impl(
}
}
int64_t sum_total = 0;
int64_t sum_projected_free = 0;
int64_t min_projected_free = INT64_MAX;
int64_t sum_projected_used = 0;
int64_t sum_projected_ctx = 0;
int64_t sum_total = 0;
int64_t sum_projected_free = 0;
int64_t min_projected_free = INT64_MAX;
int64_t sum_projected_used = 0;
int64_t sum_projected_model = 0;
int64_t sum_projected_ctx = 0;
if (nd > 1) {
LLAMA_LOG_INFO("%s: projected memory use with initial parameters [MiB]:\n", __func__);
@@ -219,11 +221,12 @@ static void llama_params_fit_impl(
const int64_t projected_used = dmd.mb.total();
const int64_t projected_free = dmd.free - projected_used;
sum_total += dmd.total;
sum_projected_used += projected_used;
sum_projected_free += projected_free;
min_projected_free = std::min(min_projected_free, projected_free);
sum_projected_ctx += dmd.mb.context;
sum_total += dmd.total;
sum_projected_used += projected_used;
sum_projected_free += projected_free;
min_projected_free = std::min(min_projected_free, projected_free);
sum_projected_model += dmd.mb.model;
sum_projected_ctx += dmd.mb.context;
if (nd > 1) {
LLAMA_LOG_INFO("%s: - %s: %6" PRId64 " total, %6" PRId64 " used, %6" PRId64 " %s\n",
@@ -258,13 +261,34 @@ static void llama_params_fit_impl(
if (cparams->n_ctx == 0) {
if (hp_nct > n_ctx_min) {
const int64_t bytes_per_ctx = sum_projected_ctx / hp_nct;
const uint32_t ctx_reduction = std::min(
uint32_t((-global_surplus + bytes_per_ctx - 1) / bytes_per_ctx), hp_nct - n_ctx_min);
int64_t memory_reduction = -global_surplus;
if (nd > 1) {
// for multiple devices we need to be more conservative in terms of how much context we think can fit:
// - for dense models only whole layers can be assigned to devices
// - for MoE models only whole tensors can be assigned to devices, which we estimate to be <= 1/3 of a layer
// - on average we expect a waste of 0.5 layers/tensors per device
// - use slightly more than the expected average for nd devices to be safe
const int64_t model_per_layer = sum_projected_model / std::min(uint32_t(mparams->n_gpu_layers), hp_ngl);
memory_reduction += (nd + 1) * model_per_layer / (hp_nex == 0 ? 2 : 6);
}
uint32_t ctx_reduction = std::min(uint32_t((memory_reduction + bytes_per_ctx - 1) / bytes_per_ctx), hp_nct - n_ctx_min);
cparams->n_ctx = hp_nct - ctx_reduction;
const int64_t memory_reduction = ctx_reduction * bytes_per_ctx;
cparams->n_ctx = std::max(cparams->n_ctx - cparams->n_ctx % 256, n_ctx_min); // round down context for CUDA backend
ctx_reduction = hp_nct - cparams->n_ctx;
memory_reduction = ctx_reduction * bytes_per_ctx;
global_surplus += memory_reduction;
LLAMA_LOG_INFO("%s: context size reduced from %" PRIu32 " to %" PRIu32 " -> need %" PRId64 " MiB less memory in total\n",
__func__, hp_nct, cparams->n_ctx, memory_reduction/MiB);
if (global_surplus >= 0) {
if (nd == 1) {
LLAMA_LOG_INFO("%s: entire model can be fit by reducing context\n", __func__);
return;
}
LLAMA_LOG_INFO("%s: entire model should be fit across devices by reducing context\n", __func__);
}
} else {
LLAMA_LOG_INFO("%s: default model context size is %" PRIu32 " which is <= the min. context size of %" PRIu32 " -> no change\n",
__func__, hp_nct, n_ctx_min);
@@ -273,10 +297,6 @@ static void llama_params_fit_impl(
LLAMA_LOG_INFO("%s: context size set by user to %" PRIu32 " -> no change\n", __func__, cparams->n_ctx);
}
}
if (global_surplus >= 0) {
LLAMA_LOG_INFO("%s: entire model can be fit across devices by reducing context\n", __func__);
return;
}
}
if (mparams->n_gpu_layers != default_mparams.n_gpu_layers) {
@@ -502,8 +522,13 @@ static void llama_params_fit_impl(
} else {
LLAMA_LOG_INFO("%s: filling dense-only layers back-to-front:\n", __func__);
}
uint32_t n_unassigned = hp_ngl;
for (int id = nd - 1; id >= 0; id--) {
uint32_t n_unassigned = hp_ngl;
for (size_t jd = id + 1; jd < nd; ++jd) {
assert(n_unassigned >= ngl_per_device[jd].n_layer);
n_unassigned -= ngl_per_device[jd].n_layer;
}
std::vector<ngl_t> ngl_per_device_high = ngl_per_device;
ngl_per_device_high[id].n_layer = n_unassigned;
if (hp_nex > 0) {
@@ -512,7 +537,9 @@ static void llama_params_fit_impl(
if (ngl_per_device_high[id].n_layer > 0) {
std::vector<int64_t> mem_high = get_memory_for_layers(__func__, ngl_per_device_high, overflow_bufts, partial_moe);
if (mem_high[id] > targets[id]) {
assert(ngl_per_device_high[id].n_layer > ngl_per_device[id].n_layer);
uint32_t delta = ngl_per_device_high[id].n_layer - ngl_per_device[id].n_layer;
LLAMA_LOG_DEBUG("%s: start filling device %" PRIu32 ", delta=%" PRIu32 "\n", __func__, id, delta);
while (delta > 1) {
uint32_t step_size = int64_t(delta) * (targets[id] - mem[id]) / (mem_high[id] - mem[id]);
step_size = std::max(step_size, uint32_t(1));
@@ -526,20 +553,19 @@ static void llama_params_fit_impl(
const std::vector<int64_t> mem_test = get_memory_for_layers(__func__, ngl_per_device_test, overflow_bufts, partial_moe);
if (mem_test[id] <= targets[id]) {
ngl_per_device = ngl_per_device_test;
mem = mem_test;
n_unassigned -= ngl_per_device[id].n_layer;
ngl_per_device = ngl_per_device_test;
mem = mem_test;
LLAMA_LOG_DEBUG("%s: set ngl_per_device[%d].n_layer=%" PRIu32 "\n", __func__, id, ngl_per_device[id].n_layer);
} else {
ngl_per_device_high = ngl_per_device_test;
mem_high = mem_test;
LLAMA_LOG_DEBUG("%s: set ngl_per_device_high[%d].n_layer=%" PRIu32 "\n", __func__, id, ngl_per_device[id].n_layer);
LLAMA_LOG_DEBUG("%s: set ngl_per_device_high[%d].n_layer=%" PRIu32 "\n", __func__, id, ngl_per_device_high[id].n_layer);
}
delta = ngl_per_device_high[id].n_layer - ngl_per_device[id].n_layer;
}
} else {
ngl_per_device = ngl_per_device_high;
n_unassigned -= ngl_per_device[id].n_layer;
assert(ngl_per_device_high[id].n_layer == n_unassigned);
ngl_per_device = ngl_per_device_high;
LLAMA_LOG_DEBUG("%s: set ngl_per_device[%d].n_layer=%" PRIu32 "\n", __func__, id, ngl_per_device[id].n_layer);
}
}