Search results

QuantParam::UE4M3 is named as unsigned but maps to the signed e4m3 type

Status: Open.

#1452 In tracel-ai/cubecl;

· ThierryCantin-Demers opened on Jul 29, 2026

wgpu runtime can't honor a requested plane size (subgroup size control)

Status: Open.

#1451 In tracel-ai/cubecl;

· SamuelBelanger opened on Jul 29, 2026

cubecl-wgpu: invalid SPIR-V generated for f64 atan2 (kernel correct on CUDA/HIP, wrong on wgpu; spirv-val fails)

Status: Open.

#1446 In tracel-ai/cubecl;

· altommo opened on Jul 27, 2026

"Cant have a mutable operation on a const variable" when initializing variables with a expression

Status: Open.

#1432 In tracel-ai/cubecl;

· jyi2ya opened on Jul 17, 2026

GVN excludes CoopMma wholesale, so identical cooperative-matrix loads are never CSE'd — measured ~2% end-to-end cost on Vulkan (ptxas hides it on CUDA)

Status: Open.

#1431 In tracel-ai/cubecl;

· laurigates opened on Jul 16, 2026

Stack overflow compiling SPIR-V kernels: DS* device-service threads are spawned without stack_size and cubecl-spirv recurses per control-flow level

Status: Open.

#1425 In tracel-ai/cubecl;

· boboshan opened on Jul 14, 2026

wgpu Device timing: client.profile() measures only the first compute pass — multi-pass profiles silently under-report

Status: Open.

Bug

#1421 In tracel-ai/cubecl;

· laurigates opened on Jul 11, 2026

cubecl-cuda: optimizer.step time climbs monotonically when a network is freshly allocated each training iteration

Status: Open.

#1406 In tracel-ai/cubecl;

· hypercat opened on Jul 5, 2026

cubecl-cuda 0.10.0: deterministic reproduction of the stale-page panics from #1384 (Memory page N doesn't exist, CUDA 13.3)

Status: Open.

Bug

#1401 In tracel-ai/cubecl;

· Lunasciel opened on Jul 2, 2026

cuFFT based FFT ops

Status: Open.

#1396 In tracel-ai/cubecl;

· mayocream opened on Jun 27, 2026

Runtime expression-position if/else returns the else branch unconditionally on wgpu/Metal

Status: Open.

#1375 In tracel-ai/cubecl;

· GregorLueg opened on Jun 6, 2026

Wrong type mapping for the IR QuantParam::UE4M3 to ElemType

invalidThis doesn't seem rightThis doesn't seem right

Status: Open.

#1370 In tracel-ai/cubecl;

· ThierryCantin-Demers opened on Jun 3, 2026