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Integrate DS4 execution parity in Rust

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This commit is contained in:
Georg Bauer
2026-07-26 17:58:05 +02:00
parent c9f0c3661c
commit 4420b81117
20 changed files with 11643 additions and 358 deletions
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25
src/app/view/preferences.rs
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@@ -3,6 +3,19 @@ use iced::widget::column;
impl App {
pub(super) fn preferences_panel(&self) -> Element<'_, Message> {
let legacy_mtp_toggle: Option<fn(bool) -> Message> = self
.preference_draft
.model
.supports_dspark()
.then_some(Message::PreferenceLegacyMtpChanged);
let legacy_mtp = hint(
checkbox(
"Enable legacy MTP for this model",
self.preference_draft.legacy_mtp_enabled,
)
.on_toggle_maybe(legacy_mtp_toggle),
"Uses the managed one-stage MTP support GGUF. The target model verifies every drafted token; it is mutually exclusive with DSpark.",
);
let dspark_toggle: Option<fn(bool) -> Message> = self
.preference_draft
.model
@@ -14,7 +27,7 @@ impl App {
self.preference_draft.dspark_enabled,
)
.on_toggle_maybe(dspark_toggle),
"Speculative decoding with the managed DSpark draft artifact: a small model proposes tokens that the main model verifies in one pass. Usually a large speedup, and it cannot be combined with SSD streaming.",
"Speculative decoding with the managed DSpark draft artifact: a small model proposes tokens that the main model verifies in one pass. Usually a large speedup; the target model may also stream routed experts from SSD.",
);
let glm_mtp_toggle: Option<fn(bool) -> Message> = (self.preference_draft.model
== ModelChoice::Glm52)
@@ -311,6 +324,7 @@ impl App {
.on_toggle_maybe(glm_mtp_timing_toggle),
"Records per-stage timings of the speculative path to the log, to show where the acceleration actually goes. A diagnostic aid that costs a little throughput.",
),
legacy_mtp,
dspark,
preference_input_row(
"DSpark confidence threshold",
@@ -326,7 +340,7 @@ impl App {
"Lets the draft model only propose, never decide: every token is sampled by the full model. Gives up some of the speedup in exchange for output identical to non-speculative decoding.",
),
text(if self.preference_draft.model.supports_dspark() {
"DSpark uses the managed support artifact; entering a threshold or enabling strict mode also enables DSpark."
"Legacy MTP and DSpark use separate managed support artifacts; entering a DSpark threshold or enabling strict mode selects DSpark."
} else if self.preference_draft.model == ModelChoice::Glm52 {
"GLM MTP is integrated; DSpark is unavailable for this model."
} else {
@@ -339,9 +353,10 @@ impl App {
|engine| {
let settings = engine.speculative;
format!(
"Engine: MTP draft {} • margin {} • GLM MTP {} • timing {} • DSpark {} • confidence {}{} • target-only {}",
"Engine: MTP draft {} • margin {} • legacy MTP {} • GLM MTP {} • timing {} • DSpark {} • confidence {}{} • target-only {}",
settings.mtp_draft_tokens,
settings.mtp_margin,
if self.preference_draft.legacy_mtp_enabled { "on" } else { "off" },
if settings.glm_mtp { "on" } else { "off" },
if settings.glm_mtp_timing { "on" } else { "off" },
if settings.dspark { "on" } else { "off" },
@@ -357,7 +372,7 @@ impl App {
hint(
checkbox("Enable SSD-backed model streaming", self.preference_draft.ssd_streaming)
.on_toggle(Message::PreferenceSsdChanged),
"Leaves the routed expert weights on disk and pages them in as they are needed, so a model larger than this machine's memory still runs. Every cache miss waits for the SSD, and DSpark cannot run alongside it.",
"Leaves the routed expert weights on disk and pages them in as they are needed, so a model larger than this machine's memory still runs. Every cache miss waits for the SSD; speculative support weights remain resident while target experts stream.",
),
hint(
checkbox("Skip automatic expert preload", self.preference_draft.ssd_streaming_cold)
@@ -381,7 +396,7 @@ impl App {
text_input("Automatic", &self.preference_draft.ssd_preload_experts)
.on_input(Message::PreferenceSsdPreloadChanged),
),
text("A blank full-layer value is automatic; an explicit 0 disables fully resident GLM layers. SSD streaming and DSpark are mutually exclusive.")
text("A blank full-layer value is automatic; an explicit 0 disables fully resident GLM layers. Flash legacy MTP and DSpark support weights remain resident when target experts stream.")
.size(12),
text(engine.as_ref().map_or_else(
|| "Effective SSD settings will appear after valid values are entered."