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Jim Blandy 6440af03a6 Join threads in MULTITHREADED_COMPUTE example. (#5129 )

Join all threads before returning from the test case, to ensure that
we don't return from `main` until all open `Device`s have been
dropped.

This avoids a race condition in glibc in which a thread calling
`dlclose` can unmap a shared library's code even while the main thread
is still running its finalization functions. (See #5084 for details.)
Joining all threads before returning from the test ensures that the
Vulkan loader has finished `dlclose`-ing the Vulkan validation layer
shared library before `main` returns.

Remove `skip` for this test on GL/llvmpipe. With this change, that has
not been observed to crash. Without it, the test crashes within ten
runs or so.

Fixes #5084.
Fixed #4285.

2024-01-23 22:18:21 -05:00

mod.rs

Convert Tests to Use Async Poll (#5053 )

2024-01-13 17:34:51 +00:00

README.md

Update examples readme files (#4774 )

2023-11-25 22:59:40 +00:00

shader.wgsl

Move to A Single Example Executable (#4756 )

2023-11-23 05:26:42 -05:00

tests.rs

Join threads in MULTITHREADED_COMPUTE example. (#5129 )

2024-01-23 22:18:21 -05:00

README.md

hello-compute

Runs a compute shader to determine the number of iterations of the rules from Collatz Conjecture

If n is even, n = n/2
If n is odd, n = 3n+1

that it will take to finish and reach the number 1.

To Run

# Pass in any 4 numbers as arguments
RUST_LOG=hello_compute cargo run --bin wgpu-examples hello_compute 1 4 3 295

Example Output

[2020-04-25T11:15:33Z INFO  hello_compute] Steps: [0, 2, 7, 55]