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bitnet-b1.58-2B-4T runs FFN with SiLU instead of relu2 - wrong logits on every backend

Status: Open.

#602In microsoft/BitNet;

· msrovani opened on Aug 8, 2026

i2_s SIGSEGVs at n_ubatch >= 32: BLAS backend dequantises by a row stride 4x the real packed row

Status: Open.

#601In microsoft/BitNet;

· Alexander Hoffman (EUPHEMEME) opened on Aug 6, 2026

BitNet-b1.58-2B-4T produces garbage output on ARM64/NEON (no AVX2) — scalar fallback uses wrong I2_S unpacking scheme

Status: Open.

#600In microsoft/BitNet;

· guhzh (gu520hz) opened on Aug 5, 2026

Does BitNet-embedding-0.6B / BitNet-embedding-270M support GPU inference?

Status: Open.

#599In microsoft/BitNet;

· Mohammadreza Yazdanifar (yazdanifar) opened on Aug 3, 2026

I2_S produces incorrect output on aarch64

Status: Open.

#598In microsoft/BitNet;

· Scott Guyton (kiljoy001) opened on Aug 3, 2026

[Windows] Linker error "undefined symbol: quantize_i2_s" when building with -q i2_s or -q tl2 on Windows 11

Status: Open.

#595In microsoft/BitNet;

· Jimmy-sheep (Jimmy-sheep) opened on Jul 26, 2026

[Bug]: BitNet FFN uses SILU instead of ReLU² — perplexity 99.8 vs 17.1 on every CPU backend

Status: Open.

#588In microsoft/BitNet;

· Hugo Meiland (hmeiland) opened on Jul 19, 2026

i2_s ARM CPU kernel uses wrong weight-group layout (64/16 vs 128/32) → garbage output on all ARM CPU inference

Status: Open.

#585In microsoft/BitNet;

· Alexander Hoffman (EUPHEMEME) opened on Jul 15, 2026

deosnt compile and run out of the box

Status: Open.

#578In microsoft/BitNet;

· FullSpeedDev (mughalh) opened on Jun 28, 2026

AVX-512 instructions enable denser packing and more efficient lookups.

Status: Open.

#569In microsoft/BitNet;

· tommyyliu opened on Jun 14, 2026

Here are the current steps for builing BitNet.cpp for Raspberry Pi 5

Status: Open.

#561In microsoft/BitNet;

· flatsiedatsie opened on May 20, 2026

Warning: huggingface-cli is deprecated and no longer works. Use hf instead.

Status: Open.

#560In microsoft/BitNet;

· flatsiedatsie opened on May 20, 2026