diff --git a/crates/gpu-vision/src/gelu_tanh.rs b/crates/gpu-vision/src/gelu_tanh.rs
index d519b4a01..50dfbcdbc 100644
--- a/crates/gpu-vision/src/gelu_tanh.rs
+++ b/crates/gpu-vision/src/gelu_tanh.rs
@@ -6,9 +6,7 @@
 //! Not [`crate::gemm_bf16::Epilogue::Gelu`]: that epilogue is the erf GELU after a GEMM, in the
 //! GEMM's registers; the two kinds differ by up to 4.7e-4 in the range the network's rows take.
 //!
-//! Numeric rule, per value: `x` widened exactly, the expression of llama.cpp's CUDA `op_gelu` in
-//! f32 in its op order — the polynomial `1 + (0.044715·x)·x` contracted to one fused multiply-add
-//! as nvcc contracts it, every other op rounded on its own — with libdevice's `tanhf`, and the
+//! Numeric rule, per value: `x` widened exactly, [`bloomery_gpu::gelu`]'s f32 rule, and the
 //! result rounded once to bf16. [`gelu_tanh_ref`] is the rule on the host with the host's `tanh`,
 //! which differs from the device's by ulps; the gate pins the count of values that round apart.
 //! The erf rule is `gemm_bf16`'s `gelu_erf_dev`, the one device function of the crate that calls
@@ -17,19 +15,15 @@
 //! rounded on its own, once to bf16; [`gelu_erf_ref`] is it on the host with an f64 `erf`.
 
 use crate::gemm_bf16::gelu_erf_dev;
+use bloomery_gpu::gelu::{gelu_tanh_dev, gelu_tanh_f32};
 use bloomery_gpu::{GpuError, launch_u32};
 use cuda_core::{CudaContext, CudaStream, DeviceBuffer, LaunchConfig1D};
 use cuda_device::convert::{bf16_to_f32, f32_to_bf16_rne};
-use cuda_device::float::{add_rn_f32, fma_rn_f32, mul_rn_f32};
 use cuda_device::{DisjointSlice, kernel, launch_bounds, launch_contract, thread};
 use cuda_host::cuda_module;
 use std::sync::Arc;
 
 const BLOCK: u32 = 256;
-/// `√(2/π)` as the f32 llama.cpp's `SQRT_2_OVER_PI` rounds to.
-const SQRT_2_OVER_PI: f32 = 0.797_884_6;
-/// llama.cpp's `GELU_COEF_A`.
-const COEF_A: f32 = 0.044_715;
 
 /// Which GELU a launch applies.
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
@@ -40,14 +34,6 @@ pub enum GeluKind {
     Erf,
 }
 
-/// The rule on one f32 on the host.
-#[must_use]
-pub fn gelu_tanh_f32(x: f32) -> f32 {
-    let poly = (COEF_A * x).mul_add(x, 1.0);
-    let t = (SQRT_2_OVER_PI * x * poly).tanh();
-    (0.5 * x) * (1.0 + t)
-}
-
 /// The host rule of one value, bf16 bits in and out.
 #[must_use]
 pub fn gelu_tanh_ref(x: u16) -> u16 {
@@ -75,10 +61,7 @@ mod gelu_tanh_kernels {
         }
         // SAFETY: i < n <= x.len() (contract); one thread per value.
         let p = unsafe { x.get_unchecked_mut(i) };
-        let v = bf16_to_f32(*p);
-        let poly = fma_rn_f32(mul_rn_f32(COEF_A, v), v, 1.0);
-        let t = mul_rn_f32(mul_rn_f32(SQRT_2_OVER_PI, v), poly).tanh();
-        *p = f32_to_bf16_rne(mul_rn_f32(mul_rn_f32(0.5, v), add_rn_f32(1.0, t)));
+        *p = f32_to_bf16_rne(gelu_tanh_dev(bf16_to_f32(*p)));
     }
 
     /// `x[i] = gelu_erf(x[i])` for `i < n`, the module rule, in place. One thread per value.
diff --git a/crates/gpu-vision/src/minicpmv/host.rs b/crates/gpu-vision/src/minicpmv/host.rs
index 388f05ab8..79e0c4478 100644
--- a/crates/gpu-vision/src/minicpmv/host.rs
+++ b/crates/gpu-vision/src/minicpmv/host.rs
@@ -3,8 +3,8 @@
 
 use super::GROUP;
 use crate::attn::{HEAD_DIM_72, QkvLayout, attn_72_ref};
-use crate::gelu_tanh::gelu_tanh_f32;
 use crate::gemm_bf16::gelu_erf;
+use bloomery_gpu::gelu::gelu_tanh_f32;
 
 /// One linear layer on the host: `y = x · Wᵀ + b`, `w` row-major `[out, inp]`.
 #[derive(Clone, Debug)]
diff --git a/crates/gpu/src/elem.rs b/crates/gpu/src/elem.rs
index b5e7fcddb..54a8d80dd 100644
--- a/crates/gpu/src/elem.rs
+++ b/crates/gpu/src/elem.rs
@@ -1,6 +1,7 @@
 //! P4: every kernel of a decode step that is not a matmul, attention or the
 //! router — the embedding row dequant, rms_norm, rope (the YaRN cos/sin cache
-//! is computed on the host and uploaded; the kernel applies it), swiglu, the
+//! is computed on the host and uploaded; the kernel applies it), swiglu and
+//! the tanh GELU-gated unit (`geglu_tanh`, [`crate::gelu`]'s rule), the
 //! residual add, the routed-expert weighted sum and argmax. One
 //! `#[cuda_module]` in its own file (docs/gpu-design.md decision 6); the
 //! arithmetic bodies are cores above the module so a later fused block kernel
@@ -21,12 +22,14 @@ use crate::GpuError;
 use crate::cores::{funnel16, half_to_f32, q3k_aux_scales, q3k_sub_scale, q4k_scale_min};
 use crate::fault::{FaultSink, FaultSite, LAYER_NONE};
 use crate::flash::{f32_to_f16_bits, f32x2_to_f16x2_bits};
+use crate::gelu::gelu_tanh_dev;
 use crate::hybrid::HOST;
 use crate::launch_u32;
 use crate::tensor::DeviceTensor;
 use crate::view::{Apply, Elem, Elem2, RopePair};
 use cuda_core::{CudaContext, CudaStream, DeviceBuffer, LaunchConfig1D};
 use cuda_device::atomic::{AtomicOrdering, DeviceAtomicU32};
+use cuda_device::float::mul_rn_f32;
 use cuda_device::{
     DisjointSlice, SharedArray, kernel, launch_bounds, launch_contract, thread, warp,
 };
@@ -1101,6 +1104,29 @@ mod elem_kernels {
         e.map(silu_mul);
     }
 
+    /// `y[i] = gelu_tanh(gate[i]) · up[i]`, elementwise over `n` values: the
+    /// rule of [`crate::gelu`] on the gate value, then one rounded multiply by
+    /// the up value (llama.cpp's `unary_gated_op_kernel` at `op_gelu`).
+    #[kernel]
+    #[launch_bounds(256)]
+    #[launch_contract(
+        domain = 1,
+        block = (256, 1, 1),
+        requires = (gate.len() >= n, up.len() >= n, y.len() >= n)
+    )]
+    pub fn geglu_tanh(gate: &[f32], up: &[f32], n: u32, mut y: DisjointSlice<f32>) {
+        let i = thread::index_1d().get();
+        if i >= n as usize {
+            return;
+        }
+        // SAFETY: the `requires` above were launcher-checked, `n` is this
+        // kernel's parameter and `i` this thread's `index_1d` past the `i < n`
+        // guard, and the launch is `domain = 1` with the contract's exact 1-D
+        // block.
+        let e = unsafe { Elem2::new(gate, up, &mut y, i) };
+        e.map(|g, u| mul_rn_f32(gelu_tanh_dev(g), u));
+    }
+
     /// `y[i] = a[i] + b[i]`, elementwise over `n` values — exact; the body
     /// is one add, so nothing is extracted into a core.
     #[kernel]
@@ -2146,6 +2172,35 @@ impl ElemKernels {
         Ok(())
     }
 
+    /// Enqueue `y = gelu_tanh(gate) · up` over `n` values (flat; token-major
+    /// spans of any width). Asynchronous, allocation-free, capturable.
+    pub fn enqueue_geglu(
+        &self,
+        stream: &CudaStream,
+        gate: &DeviceBuffer<f32>,
+        up: &DeviceBuffer<f32>,
+        n: usize,
+        y: &mut DeviceBuffer<f32>,
+    ) -> Result<(), GpuError> {
+        if n == 0 || gate.len() < n || up.len() < n || y.len() < n {
+            return Err(GpuError::shape(
+                "enqueue_geglu",
+                format!(
+                    "n={n}, gate.len() {}, up.len() {}, y.len() {}",
+                    gate.len(),
+                    up.len(),
+                    y.len()
+                ),
+            ));
+        }
+        let n = launch_u32("enqueue_geglu", "n", n)?;
+        let prep = self
+            .module
+            .prepare_geglu_tanh(LaunchConfig1D::new(n.div_ceil(256), 256, 0))?;
+        self.module.geglu_tanh(stream, &prep, gate, up, n, y)?;
+        Ok(())
+    }
+
     /// Enqueue `y = a + b` over `n` values (flat). Exact. Asynchronous,
     /// allocation-free, capturable.
     pub fn enqueue_add(
diff --git a/crates/gpu/src/gelu.rs b/crates/gpu/src/gelu.rs
new file mode 100644
index 000000000..84419bc44
--- /dev/null
+++ b/crates/gpu/src/gelu.rs
@@ -0,0 +1,171 @@
+//! The tanh GELU (`ggml_gelu`): `0.5·x·(1 + tanh(√(2/π)·x·(1 + 0.044715·x²)))`, one rule on one
+//! f32 for every kernel that applies it, and its host twin. The GELU-gated linear unit over f32
+//! rows (`ggml_geglu_split`, a GEGLU feed-forward's activation), `y = gelu_tanh(gate) · up`, is
+//! `crate::elem`'s `geglu_tanh` ([`crate::elem::ElemKernels::enqueue_geglu`]).
+//!
+//! Numeric rule: the expression of llama.cpp's CUDA `op_gelu` in f32 in its op order — the
+//! polynomial `1 + (0.044715·x)·x` contracted to one fused multiply-add as nvcc contracts it,
+//! every other op rounded on its own — with libdevice's `tanhf`. [`gelu_tanh_f32`] is the rule on
+//! the host with the host's `tanh`, which differs from the device's by ulps.
+
+use cuda_device::float::{add_rn_f32, fma_rn_f32, mul_rn_f32};
+
+/// `√(2/π)` as the f32 llama.cpp's `SQRT_2_OVER_PI` rounds to.
+const SQRT_2_OVER_PI: f32 = 0.797_884_6;
+/// llama.cpp's `GELU_COEF_A`.
+const COEF_A: f32 = 0.044_715;
+
+/// The rule on one f32 on the host.
+#[must_use]
+pub fn gelu_tanh_f32(x: f32) -> f32 {
+    let poly = (COEF_A * x).mul_add(x, 1.0);
+    let t = (SQRT_2_OVER_PI * x * poly).tanh();
+    (0.5 * x) * (1.0 + t)
+}
+
+/// The rule on one f32 on the device: a core for kernels to call (docs/gpu-design.md decision 6).
+#[inline(always)]
+pub fn gelu_tanh_dev(v: f32) -> f32 {
+    let poly = fma_rn_f32(mul_rn_f32(COEF_A, v), v, 1.0);
+    let t = mul_rn_f32(mul_rn_f32(SQRT_2_OVER_PI, v), poly).tanh();
+    mul_rn_f32(mul_rn_f32(0.5, v), add_rn_f32(1.0, t))
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::Gpu;
+    use cuda_core::DeviceBuffer;
+
+    /// f32's unit roundoff.
+    const U: f64 = 1.0 / 16_777_216.0;
+
+    fn gamma(n: u32) -> f64 {
+        f64::from(n) * U / (1.0 - f64::from(n) * U)
+    }
+
+    /// The exact unit on one pair, in f64 at the rule's f32 constants, and the device rule's
+    /// first-order distance to it. With `X` the exact tanh argument, `T = tanh X`, `S = 1 + T`:
+    /// the polynomial's two roundings and the argument's two put `X` off by `γ(4)·|X|`, which
+    /// `tanh` carries scaled by `1 − T²`; libdevice's `tanhf` adds 2 ulp, at most `4u·|T|`
+    /// (CUDA Math API, `tanhf`); `1 + t` adds `u·|S|`; `0.5·g` is exact, and the two products add
+    /// `γ(2)·|y|`. The first three move `y` scaled by `|0.5·g·up|`, not by `|y|`: where `S`
+    /// cancels toward zero the distance does not shrink with it.
+    fn exact(g: f32, u: f32) -> (f64, f64) {
+        let (g, u) = (f64::from(g), f64::from(u));
+        let x = f64::from(SQRT_2_OVER_PI) * g * (1.0 + f64::from(COEF_A) * g * g);
+        let t = x.tanh();
+        // 1 + tanh(x) without the cancellation at large negative x.
+        let s = 2.0 / (1.0 + (-2.0 * x).exp());
+        let y = 0.5 * g * s * u;
+        let bound = (0.5 * g * u).abs()
+            * (gamma(4) * x.abs() * (1.0 - t * t) + 4.0 * U * t.abs() + U * s)
+            + gamma(2) * y.abs();
+        (y, bound)
+    }
+
+    /// Gate values: every multiple of 1/256 in [−16, 16] and a few magnitudes past where `tanh`
+    /// saturates; up values seeded in [−2, 2], every eighth one exactly 1.
+    fn inputs() -> (Vec<f32>, Vec<f32>) {
+        let mut gate: Vec<f32> = (-4096..=4096).map(|i| i as f32 / 256.0).collect();
+        for m in [20.0f32, 37.5, 100.0, 1e3, 1e4] {
+            gate.extend([m, -m]);
+        }
+        let mut s = 0x9e37_79b9u32;
+        let up = (0..gate.len())
+            .map(|i| {
+                s = s.wrapping_mul(1_664_525).wrapping_add(1_013_904_223);
+                if i.is_multiple_of(8) {
+                    1.0
+                } else {
+                    (s >> 8) as f32 / 4_194_304.0 - 2.0
+                }
+            })
+            .collect();
+        (gate, up)
+    }
+
+    /// The gated unit on the card: every value within its bound of the exact unit, and an
+    /// untouched output tail; a NaN gate or up value NaN
+    /// at its own index and nowhere else; an empty launch and each short buffer refused by name.
+    #[test]
+    #[ignore = "needs a CUDA device; `just gate-gpu-lib` runs it on the box"]
+    fn hw_geglu_is_the_rule_within_its_bound() {
+        let gpu = Gpu::with_device(0).expect("a Gpu on device 0");
+        let (k, stream) = (gpu.elem(), gpu.stream());
+        let run = |gate: &[f32], up: &[f32]| -> Vec<f32> {
+            const GUARD: f32 = 12_345.0;
+            let n = gate.len();
+            let padded = (n + 1).next_multiple_of(256);
+            let (mut g, mut u) = (gate.to_vec(), up.to_vec());
+            g.resize(padded, 1.0);
+            u.resize(padded, 1.0);
+            let g = DeviceBuffer::from_host(stream, &g).expect("gate");
+            let u = DeviceBuffer::from_host(stream, &u).expect("up");
+            let mut y = DeviceBuffer::from_host(stream, &vec![GUARD; padded]).expect("y");
+            k.enqueue_geglu(stream, &g, &u, n, &mut y).expect("geglu");
+            stream.synchronize().expect("sync");
+            let mut y = y.to_host_vec(stream).expect("y back");
+            assert!(
+                y[n..].iter().all(|v| v.to_bits() == GUARD.to_bits()),
+                "geglu: output past n must stay untouched"
+            );
+            y.truncate(n);
+            y
+        };
+        let (gate, up) = inputs();
+        let y = run(&gate, &up);
+        let (mut over, mut worst, mut host_equal) = (0usize, 0.0f64, 0usize);
+        for (i, (&g, &u)) in gate.iter().zip(&up).enumerate() {
+            assert!(y[i].is_finite(), "geglu: gate {g:e} up {u:e}: {}", y[i]);
+            let (want, bound) = exact(g, u);
+            let e = (f64::from(y[i]) - want).abs();
+            if e > bound {
+                over += 1;
+                if over <= 8 {
+                    eprintln!(
+                        "geglu: gate {g:e} up {u:e}: {} off {want:e} by {e:e} > {bound:e}",
+                        y[i]
+                    );
+                }
+            }
+            if bound > 0.0 {
+                worst = worst.max(e / bound);
+            }
+            host_equal += usize::from(y[i].to_bits() == (gelu_tanh_f32(g) * u).to_bits());
+        }
+        println!(
+            "geglu: {} values, {over} past their bound, worst error/bound {worst:.3}, {host_equal} \
+             bit for bit the host rule",
+            gate.len()
+        );
+        assert_eq!(over, 0, "geglu: values past their bound");
+
+        // A NaN gate at −1.61, NaN up values at gates −16 (saturated) and 0.73.
+        let (mut g2, mut u2) = (gate[3584..4608].to_vec(), up[3584..4608].to_vec());
+        g2[0] = -16.0;
+        u2[0] = f32::NAN;
+        g2[100] = f32::NAN;
+        u2[700] = f32::NAN;
+        let y2 = run(&g2, &u2);
+        let nan: Vec<usize> = (0..y2.len()).filter(|&i| y2[i].is_nan()).collect();
+        assert_eq!(
+            nan,
+            [0, 100, 700],
+            "geglu: a NaN input is NaN at its index alone"
+        );
+
+        for (gate_len, up_len, y_len, n, what) in [
+            (9, 9, 9, 0, "an empty launch"),
+            (8, 9, 9, 9, "a short gate buffer"),
+            (9, 8, 9, 9, "a short up buffer"),
+            (9, 9, 8, 9, "a short y buffer"),
+        ] {
+            let g = DeviceBuffer::from_host(stream, &gate[..gate_len]).expect("gate");
+            let u = DeviceBuffer::from_host(stream, &up[..up_len]).expect("up");
+            let mut y = DeviceBuffer::<f32>::zeroed(stream, y_len).expect("y");
+            let e = k.enqueue_geglu(stream, &g, &u, n, &mut y).expect_err(what);
+            assert!(e.to_string().contains("enqueue_geglu"), "{what}: {e}");
+        }
+    }
+}
diff --git a/crates/gpu/src/lib.rs b/crates/gpu/src/lib.rs
index 4ee46ab8f..816d7c91c 100644
--- a/crates/gpu/src/lib.rs
+++ b/crates/gpu/src/lib.rs
@@ -43,6 +43,7 @@ pub mod flash_gqa;
 pub mod flash_gqa_prefill;
 pub mod fused;
 pub mod gated_quant;
+pub mod gelu;
 pub mod gemm;
 pub(crate) mod graph;
 pub mod hc_gated;
diff --git a/tools/gate-paths.tsv b/tools/gate-paths.tsv
index 28ce77fd9..c05d72cab 100644
--- a/tools/gate-paths.tsv
+++ b/tools/gate-paths.tsv
@@ -160,6 +160,7 @@ crates/engram/src/rows.rs	gate-gpu-clef-serve gate-gpu-lev-serve gate-gpu-qwen4e
 crates/hf/src/fetch.rs	gate-gpu-clef-serve gate-gpu-lev-serve gate-gpu-qwen3-serve gate-gpu-glm5next-serve gate-fixture gate-ds41-bind gate-ds41-place gate-gpu-glm5next-media-seat gate-gpu-serve-start-glm gate-gpu-serve-start-ds41 gate-gpu-glm5next-e2e gate-gpu-glm5next-stagger gate-gpu-glm5next-media	the fetch Event that model_file.rs reports; the fixture fetch's range reads
 crates/decision/src/lib.rs	gate-gpu-clef-serve gate-gpu-lev-serve gate-decision-lev gate-gpu-qwen3-serve gate-gpu-glm5next-serve gate-gpu-serve-start-glm gate-gpu-serve-start-ds41	the decision crate's Error: the decision gates
 crates/vision/src/lib.rs	gate-gpu-clef-serve gate-gpu-lev-serve gate-serve gate-ds41-bind gate-q38-serve-rules gate-ds41-place gate-gpu-qwen38-serve gate-gpu-qwen3-serve gate-gpu-vision gate-gpu-glm5next-serve gate-gpu-qwen3vl-tower gate-gpu-minicpmv-tower gate-decision-clef gate-gpu-glm5v-tower gate-gpu-glm5next-media-seat gate-gpu-glm5next-e2e gate-gpu-glm5next-stagger gate-gpu-glm5next-media gate-gpu-serve-start-glm gate-gpu-serve-start-ds41 gate-gpu-ds41-media gate-gpu-routed-legs	VisionError, which the media and preprocess paths return
+crates/gpu/src/gelu.rs	gate-gpu-p1 gate-gpu-p2 gate-gpu-p3 gate-gpu-p4 gate-gpu-p5 gate-gpu-p6 gate-gpu-p9 gate-gpu-q4k-sel gate-gpu-kquant gate-gpu-cand gate-gpu-hc-gated gate-gpu-mamba2 gate-gpu-glm-router gate-gpu-iq gate-gpu-iq-sel gate-gpu-q6k-ids gate-gpu-ds41-hc gate-gpu-e2e gate-gpu-hybrid gate-gpu-swap gate-gpu-xstream gate-gpu-p0b gate-gpu-p8 gate-gpu-moe gate-gpu-ds41-moe gate-gpu-ds41-chain-ffn gate-gpu-p10 gate-gpu-qwen3moe-rope gate-gpu-qwen3moe-router gate-gpu-qwen35moe-moe gate-gpu-qwen35moe-e2e gate-gpu-qwen35moe-verify gate-gpu-qwen35-dspark gate-gpu-minicpm-text gate-gpu-clef-hidden gate-gpu-qwen35-media gate-gpu-qwen35moe-media gate-gpu-clef-serve gate-gpu-lev-serve gate-gpu-qwen4exp-e2e gate-gpu-qwen4exp-iqleg gate-gpu-qwen4exp-mtp gate-gpu-qwen3moe-down gate-gpu-qwen3moe-head gate-gpu-gemm gate-gpu-linear gate-gpu-qwen35moe-attn gate-gpu-glm-mla gate-gpu-glm-sel gate-gpu-glm5next-gemm gate-gpu-mimo2-flash gate-gpu-qwen3moe-flash gate-gpu-qwen3moe-experts gate-gpu-qwen3moe-e2e gate-gpu-qwen3moe-types gate-gpu-routed-legs gate-app gate-gpu-head gate-gpu-mcol gate-gpu-ds41-rope gate-gpu-ds41-comp gate-gpu-ds41-index gate-gpu-ds41-lib gate-ds41-bind gate-q38-serve-rules gate-ds41-place gate-gpu-ds41-engram gate-gpu-ple gate-gpu-ds41-chain-glue gate-gpu-ds41-woa gate-gpu-ds41-attn gate-gpu-ds41-chain-attn gate-gpu-ds41-step gate-gpu-ds41-tier gate-gpu-ds41-twocard gate-gpu-ds41-unpack gate-gpu-ds41-callstream gate-gpu-ds41-residency-a gate-gpu-ds41-nvtier gate-gpu-ds41-long gate-gpu-ds41-draft gate-gpu-ds41-dspark-loop gate-gpu-ds41-prefill gate-gpu-ds41-media gate-gpu-ds41-chat gate-gpu-nvtier gate-gpu-qwen38-residency gate-gpu-qwen38-twocard gate-gpu-qwen38-serve gate-gpu-qwen3-serve gate-ds41-load gate-gpu-p8b gate-gpu-dspark-hc gate-gpu-dspark-experts gate-gpu-dspark-kv gate-gpu-dspark-graph gate-gpu-vision gate-gpu-qwen3vl-tower gate-gpu-minicpmv-tower gate-gpu-vision-lib gate-gpu-glm5v-tower gate-gpu-glm5next-e2e gate-gpu-glm5next-stagger gate-gpu-glm5next-media gate-gpu-glm5next-media-seat gate-gpu-glm5next-mtp gate-gpu-glm5next-nvtier gate-gpu-glm5next-twocard gate-gpu-glm5next-residency gate-gpu-glm5next-serve gate-gpu-serve-start-glm gate-gpu-serve-start-ds41 gate-gpu-qwen35moe-mtp	the shared tanh GELU rule: the registered elementwise module and image towers that use it
 crates/gpu-vision/src/{aligner,attn,attn_group,chain,encoder,gelu_tanh,gemm_bf16,glm5v,layer_norm,mean_groups,mlp,norm,pos_bilinear,qwen3vl,rope2d}.rs	gate-gpu-clef-serve gate-gpu-glm5next-media-seat gate-gpu-glm5next-serve gate-gpu-glm5v-tower gate-gpu-qwen3-serve gate-gpu-qwen3vl-tower gate-gpu-minicpmv-tower gate-gpu-vision gate-gpu-serve-start-glm gate-gpu-serve-start-ds41 gate-gpu-lev-serve gate-gpu-glm5next-e2e gate-gpu-glm5next-stagger gate-gpu-glm5next-media	the image towers' card kernels: the tower, serve and media-seat gates that run them
 crates/gpu-vision/src/lib.rs	gate-gpu-clef-serve gate-gpu-glm5next-media-seat gate-gpu-glm5next-serve gate-gpu-glm5v-tower gate-gpu-qwen3-serve gate-gpu-qwen35-media gate-gpu-qwen35moe-media gate-gpu-qwen3vl-tower gate-gpu-minicpmv-tower gate-gpu-vision gate-gpu-serve-start-glm gate-gpu-serve-start-ds41 gate-gpu-lev-serve gate-gpu-glm5next-e2e gate-gpu-glm5next-stagger gate-gpu-glm5next-media	the tower crate's root, which the Qwen3.5 media gates also link
 crates/vision/src/arch/glm5v/{card,hparams,mod,names,tensors}.rs	gate-ds41-bind gate-ds41-place gate-gpu-clef-serve gate-gpu-glm5next-e2e gate-gpu-glm5next-media gate-gpu-glm5next-media-seat gate-gpu-glm5next-serve gate-gpu-glm5next-stagger gate-gpu-glm5v-tower gate-gpu-lev-serve gate-gpu-qwen3-serve gate-gpu-qwen3vl-tower gate-gpu-minicpmv-tower gate-gpu-vision gate-gpu-serve-start-glm gate-gpu-serve-start-ds41	the GLM-5V family's hparams, tensor names and card homes
diff --git a/tools/ref/ptx-shapes.tsv b/tools/ref/ptx-shapes.tsv
index e386a1e16..c862f8719 100644
--- a/tools/ref/ptx-shapes.tsv
+++ b/tools/ref/ptx-shapes.tsv
@@ -125,6 +125,8 @@ generate_ds41   gdn_delta                                0           0
 generate_ds41   gdn_delta_lanes                          0           0
 generate_ds41   gdn_norm_gate                            0           0
 generate_ds41   gdn_norm_gate_sigmoid                    0           0
+# jit_local is ptxas 13.3.73's sm_86 stack frame, not read on a cc 8.6 card; the two agree on every row of this table and of both cc 12.1 tables.
+generate_ds41   geglu_tanh                               0           0
 generate_ds41   gemm_iq3xxs              0  0
 generate_ds41   gemm_iq4nl               0  0
 generate_ds41   gemm_iq4xs               0  0
@@ -374,6 +376,8 @@ gate_e2e   gdn_delta                                0           0
 gate_e2e   gdn_delta_lanes                          0           0
 gate_e2e   gdn_norm_gate                            0           0
 gate_e2e   gdn_norm_gate_sigmoid                    0           0
+# jit_local is ptxas 13.3.73's sm_86 stack frame, not read on a cc 8.6 card; the two agree on every row of this table and of both cc 12.1 tables.
+gate_e2e   geglu_tanh                               0           0
 gate_e2e   gemm_iq3xxs              0  0
 gate_e2e   gemm_iq4nl               0  0
 gate_e2e   gemm_iq4xs               0  0
diff --git a/tools/ref/ptx-shapes/sm_121-cc12.1.tsv b/tools/ref/ptx-shapes/sm_121-cc12.1.tsv
index 49d4ab6f7..4323c3ddd 100644
--- a/tools/ref/ptx-shapes/sm_121-cc12.1.tsv
+++ b/tools/ref/ptx-shapes/sm_121-cc12.1.tsv
@@ -128,6 +128,7 @@ generate_ds41   gdn_delta                                0           0
 generate_ds41   gdn_delta_lanes                          0           0
 generate_ds41   gdn_norm_gate                            0           0
 generate_ds41   gdn_norm_gate_sigmoid                    0           0
+generate_ds41   geglu_tanh                               0           0
 generate_ds41   gemm_iq3xxs              0  0
 generate_ds41   gemm_iq4nl               0  0
 generate_ds41   gemm_iq4xs               0  0
@@ -381,6 +382,7 @@ gate_e2e   gdn_delta                                0           0
 gate_e2e   gdn_delta_lanes                          0           0
 gate_e2e   gdn_norm_gate                            0           0
 gate_e2e   gdn_norm_gate_sigmoid                    0           0
+gate_e2e   geglu_tanh                               0           0
 gate_e2e   gemm_iq3xxs              0  0
 gate_e2e   gemm_iq4nl               0  0
 gate_e2e   gemm_iq4xs               0  0
diff --git a/tools/ref/ptx-shapes/sm_86-cc12.1.tsv b/tools/ref/ptx-shapes/sm_86-cc12.1.tsv
index 620bdf738..e5c18ef89 100644
--- a/tools/ref/ptx-shapes/sm_86-cc12.1.tsv
+++ b/tools/ref/ptx-shapes/sm_86-cc12.1.tsv
@@ -128,6 +128,7 @@ generate_ds41   gdn_delta                                0           0
 generate_ds41   gdn_delta_lanes                          0           0
 generate_ds41   gdn_norm_gate                            0           0
 generate_ds41   gdn_norm_gate_sigmoid                    0           0
+generate_ds41   geglu_tanh                               0           0
 generate_ds41   gemm_iq3xxs              0  0
 generate_ds41   gemm_iq4nl               0  0
 generate_ds41   gemm_iq4xs               0  0
@@ -381,6 +382,7 @@ gate_e2e   gdn_delta                                0           0
 gate_e2e   gdn_delta_lanes                          0           0
 gate_e2e   gdn_norm_gate                            0           0
 gate_e2e   gdn_norm_gate_sigmoid                    0           0
+gate_e2e   geglu_tanh                               0           0
 gate_e2e   gemm_iq3xxs              0  0
 gate_e2e   gemm_iq4nl               0  0
 gate_e2e   gemm_iq4xs               0  0
diff --git a/tools/unsafe-ratchet.txt b/tools/unsafe-ratchet.txt
index 621a6660e..f5ca6bce5 100644
--- a/tools/unsafe-ratchet.txt
+++ b/tools/unsafe-ratchet.txt
@@ -229,7 +229,9 @@ gguf 9 2 0
 # embedding gather: its position words, the code and scale words, the output row) and gqa_flash_seg_g5 (the head-128
 # group-5 flash entry) read and write through raw pointers, and seg_scalar_g (the scalar core that entry calls) is one
 # unsafe fn. The group-8 entry keeps its own body. Each block with its SAFETY line.
-gpu 1787 196 10
+# PIN(2026-10-15): gpu 1787 -> 1788 blocks, a new kernel entry, not old code relaxed: geglu_tanh's elementwise access
+# (Elem2::new), with its SAFETY line.
+gpu 1788 196 10
 # PIN(2026-10-01): gpu-deepseek41 459 -> 464 blocks, 51 -> 52 fns, a new kernel entry, not old code relaxed:
 # ds41_ffn_card_acc_8_tier (the tier form of the card sum at 8 slots, chain/ffn/batch.rs) adds its two blocks and
 # card_acc_tier_at (the one unsafe fn) with its three, each with its SAFETY line.