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[SYCL][L0] empty queue sync does not need extra event #1652

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Mar 10, 2023
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[SYCL][L0] empty queue sync does not need extra event #1652

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12 changes: 4 additions & 8 deletions SYCL/Plugin/level_zero_events_caching.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -4,20 +4,16 @@
// UNSUPPORTED: windows

// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %level_zero_options %s -o %t.out
// RUN: env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=0 SYCL_PI_LEVEL_ZERO_DEVICE_SCOPE_EVENTS=0 ZE_DEBUG=4 %GPU_RUN_PLACEHOLDER %t.out 2>&1 | FileCheck --check-prefixes=CACHING-ENABLED %s
// RUN: env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=0 SYCL_PI_LEVEL_ZERO_DEVICE_SCOPE_EVENTS=0 SYCL_PI_LEVEL_ZERO_DISABLE_EVENTS_CACHING=1 ZE_DEBUG=4 %GPU_RUN_PLACEHOLDER %t.out 2>&1 | FileCheck --check-prefixes=CACHING-DISABLED-STD %s
// RUN: env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1 SYCL_PI_LEVEL_ZERO_DEVICE_SCOPE_EVENTS=0 SYCL_PI_LEVEL_ZERO_DISABLE_EVENTS_CACHING=1 ZE_DEBUG=4 %GPU_RUN_PLACEHOLDER %t.out 2>&1 | FileCheck --check-prefixes=CACHING-DISABLED-IMM %s
// RUN: env ZE_DEBUG=4 %GPU_RUN_PLACEHOLDER %t.out 2>&1 | FileCheck --check-prefixes=CACHING-ENABLED %s
// RUN: env SYCL_PI_LEVEL_ZERO_DISABLE_EVENTS_CACHING=0 ZE_DEBUG=4 %GPU_RUN_PLACEHOLDER %t.out 2>&1 | FileCheck --check-prefixes=CACHING-ENABLED %s
// RUN: env SYCL_PI_LEVEL_ZERO_DISABLE_EVENTS_CACHING=1 ZE_DEBUG=4 %GPU_RUN_PLACEHOLDER %t.out 2>&1 | FileCheck --check-prefixes=CACHING-DISABLED %s

// With events caching we should be reusing them and 9 should be enough.
// Might require more than one if previous one hasn't been released by the time
// we need a new one.

// With immediate commandlists there is one additional event created
// during queue sync, so the expected count increases by 1 to 257.

// CACHING-ENABLED: zeEventCreate = {{[1-9]}}
// CACHING-DISABLED-STD: zeEventCreate = 256
// CACHING-DISABLED-IMM: zeEventCreate = 257
// CACHING-DISABLED: zeEventCreate = 256

// Check event caching modes in the L0 plugin.

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