## Describe the changes
This PR modifies icicle/cmake/Common.cmake to set
CMAKE_CUDA_ARCHITECTURES to ${CUDA_ARCH} if the user defines the arch,
to set CMAKE_CUDA_ARCHITECTURES to native if the cmake version is
greater than or equal to 3.24.0. This change has been successfully
tested with cmake 3.22.0 and 3.25.2.
## Linked Issues
Resolves#167.
## Describe the changes
Icicle examples: Concurrent Data Transfer and NTT Computation
This PR introduces a Best Practice series of examples in c++.
Specifically, the example shows how to concurrently transfer data
to/from device and execute NTT
## Linked Issues
Resolves #
- removed poly API to access view of evaluations. This is a problematic API since it cannot handle small domains and for large domains requires the polynomial to use more memory than need to.
- added evaluate_on_rou_domain() API instead that supports any domain size (powers of two size).
- the new API can compute to HOST or DEVICE memory
- Rust wrapper for evaluate_on_rou_domain()
- updated documentation: overview and Rust wrappers
- faster division by vanishing poly for common case where numerator is 2N and vanishing poly is of degree N.
- allow division a/b where deg(a)<deg(b) instead of throwing an error.
# This PR
1. Adds C++ API
2. Renames a lot of API functions
3. Adds inplace poseidon2
4. Makes input const at all poseidon functions
5. Adds benchmark for poseidon2
fixing:
(1) not building polynomials and tests for grumpkin curve (no NTT)
(2) polynomial API C++ example compilation and (when compilation is
fixed) memory corruption
(3) bug fix in poly CUDA backend regarding transformation to evaluations
in some cases
## Describe the changes
This PR fixes an issue when `RunOnDevice` is called for multi-gpu while
other goroutines calling device operations are run outside of
`RunOnDevice`. The issue comes from setting a device other than the
default device (device 0) on a host thread within `RunOnDevice` and not
unsetting that host threads device when `RunOnDevice` finishes.
When `RunOnDevice` locks a host thread to ensure that all other calls in
the go routine are on the same device, it never unsets that thread’s
device. Once the thread is unlocked, other go routines can get scheduled
to it but it still has the device set to whatever it was before while it
was locked so its possible that the following sequence happens:
1. NTT domain is initialized on thread 2 via a goroutine on device 0
2. MSM multiGPU test runs and is locked on thread 3 setting its device
to 1
3. Other tests run concurrently on threads other than 3 (since it is
locked)
4. MSM multiGPU test finishes and release thread 3 back to the pool but
its device is still 1
5. NTT test runs and is assigned to thread 3 --> this will fail because
the thread’s device wasn’t released back
We really only want to set a thread's device while the thread is locked.
But once we unlock a thread, it’s device should return to whatever it
was set at originally. In theory, it should always be 0 if `SetDevice`
is never used outside of `RunOnDevice` - which it shouldn’t be in most
situations
The bug is in how twiddles array is indexed when multiplied by a mixed
(M) vector to implement (I)NTT on cosets.
The fix is to use the DIF-digit-reverse to compute the index of the element in the
natural (N) vector that moved to index 'i' in the M vector. This is
emulating a DIT-digit-reverse (which is mixing like a DIF-compute)
reorder of the twiddles array and element-wise multiplication without
reordering the twiddles memory.
## Describe the changes
This PR fixes the issue of v2 ICICLE not being discovered by Go's
packaging service by adding the required "v2" to the module path:
https://go.dev/doc/modules/release-workflow#breaking
## Describe the changes
This PR fixes an underflow in `get_optimal_c` when bitsize is less than
16 and adds `max(1,NUM_THREADS)` to prevent div by 0 when calculating
NUM_THREADS
## Describe the changes
This PR adds a NTT ReleaseDomain API in Golang and Rust
## Linked Issues
Resolves #
---------
Co-authored-by: Yuval Shekel <yshekel@gmail.com>
## Describe the changes
This PR adds an extern C link to the transpose kernel, now in
vec_ops.cu.
Also Rust binding, and I updated the test check_ntt_batch to use the new
transpose function.
The test passes.
## Linked Issues
Resolves #
---------
Co-authored-by: LeonHibnik <leon@ingonyama.com>
## Describe the changes
This PR adds the capability to slice a DeviceSlice, allowing portions of
data that are already on the device to be reused.
Additionally, this PR removes the need for a HostSlice underlying type
to implement a Size function and uses unsafe.Sizeof instead. This
together with #407 will allow direct usage of gnark-crypto types with
HostSlice without the need for converting to ICICLE types
---------
Co-authored-by: nonam3e <timur@ingonyama.com>
## Describe the changes
Due to Rust's ownership rules, we can't run NTT inplace using the
[`ntt`](https://github.com/ingonyama-zk/icicle/blob/v1.9.1/wrappers/rust/icicle-core/src/ntt/mod.rs#L139)
function. Which is why we saw a need to add a separate function a couple
of times.
Incidentally an issue with radix-2 NTT was found when ran inplace,
`__syncthreads()` was used in reverse order kernel as if it was a global
barrier for all blocks and not block-local one. Thus data race happened
that is fixed by this PR.
…ing other log2 func
## Describe the changes
This PR adds "std" as prefix on log2 function of
icicle/appUtils/msm/msm.cu to explicitly use std::log2 for MSM
calculatation.
## Linked Issues
https://github.com/ingonyama-zk/icicle/issues/458
Resolves #
Co-authored-by: pierre <pierreuu@gmail.com>
