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Free mem trigger with all2all for sync trigger eviction #3490

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Free mem trigger with all2all for sync trigger eviction #3490

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38 changes: 30 additions & 8 deletions torchrec/distributed/batched_embedding_kernel.py
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Original file line number Diff line number Diff line change
Expand Up @@ -242,9 +242,9 @@ def _populate_ssd_tbe_params(config: GroupedEmbeddingConfig) -> Dict[str, Any]:
)
ssd_tbe_params["cache_sets"] = int(max_cache_sets)

if "kvzch_eviction_trigger_mode" in fused_params and config.is_using_virtual_table:
ssd_tbe_params["kvzch_eviction_trigger_mode"] = fused_params.get(
"kvzch_eviction_trigger_mode"
if "kvzch_eviction_tbe_config" in fused_params and config.is_using_virtual_table:
ssd_tbe_params["kvzch_eviction_tbe_config"] = fused_params.get(
"kvzch_eviction_tbe_config"
)

ssd_tbe_params["table_names"] = [table.name for table in config.embedding_tables]
Expand Down Expand Up @@ -337,11 +337,25 @@ def _populate_zero_collision_tbe_params(
eviction_strategy = -1
table_names = [table.name for table in config.embedding_tables]
l2_cache_size = tbe_params["l2_cache_size"]
if "kvzch_eviction_trigger_mode" in tbe_params:
eviction_trigger_mode = tbe_params["kvzch_eviction_trigger_mode"]
tbe_params.pop("kvzch_eviction_trigger_mode")
else:
eviction_trigger_mode = 2 # 2 means mem_util based eviction

assert (
"kvzch_eviction_tbe_config" in tbe_params
), "kvzch_eviction_tbe_config should be in tbe_params"
eviction_tbe_config = tbe_params["kvzch_eviction_tbe_config"]
tbe_params.pop("kvzch_eviction_tbe_config")
eviction_trigger_mode = eviction_tbe_config.kvzch_eviction_trigger_mode
eviction_free_mem_threshold_gb = (
eviction_tbe_config.eviction_free_mem_threshold_gb
)
eviction_free_mem_check_interval_batch = (
eviction_tbe_config.eviction_free_mem_check_interval_batch
)
threshold_calculation_bucket_stride = (
eviction_tbe_config.threshold_calculation_bucket_stride
)
threshold_calculation_bucket_num = (
eviction_tbe_config.threshold_calculation_bucket_num
)
for i, table in enumerate(config.embedding_tables):
policy_t = table.virtual_table_eviction_policy
if policy_t is not None:
Expand Down Expand Up @@ -421,6 +435,10 @@ def _populate_zero_collision_tbe_params(
training_id_keep_count=training_id_keep_count,
l2_weight_thresholds=l2_weight_thresholds,
meta_header_lens=meta_header_lens,
eviction_free_mem_threshold_gb=eviction_free_mem_threshold_gb,
eviction_free_mem_check_interval_batch=eviction_free_mem_check_interval_batch,
threshold_calculation_bucket_stride=threshold_calculation_bucket_stride,
threshold_calculation_bucket_num=threshold_calculation_bucket_num,
)
else:
eviction_policy = EvictionPolicy(meta_header_lens=meta_header_lens)
Expand Down Expand Up @@ -1768,6 +1786,7 @@ def __init__(
feature_table_map=self._feature_table_map,
ssd_cache_location=embedding_location,
pooling_mode=PoolingMode.NONE,
pg=pg,
**ssd_tbe_params,
).to(device)

Expand Down Expand Up @@ -2000,6 +2019,7 @@ def __init__(
ssd_cache_location=embedding_location,
pooling_mode=PoolingMode.NONE,
backend_type=backend_type,
pg=pg,
**ssd_tbe_params,
).to(device)

Expand Down Expand Up @@ -2680,6 +2700,7 @@ def __init__(
feature_table_map=self._feature_table_map,
ssd_cache_location=embedding_location,
pooling_mode=self._pooling,
pg=pg,
**ssd_tbe_params,
).to(device)

Expand Down Expand Up @@ -2900,6 +2921,7 @@ def __init__(
ssd_cache_location=embedding_location,
pooling_mode=self._pooling,
backend_type=backend_type,
pg=pg,
**ssd_tbe_params,
).to(device)

Expand Down
7 changes: 4 additions & 3 deletions torchrec/distributed/types.py
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@
from fbgemm_gpu.split_table_batched_embeddings_ops_common import (
BoundsCheckMode,
CacheAlgorithm,
KVZCHEvictionTBEConfig,
MultiPassPrefetchConfig,
)

Expand Down Expand Up @@ -667,7 +668,7 @@ class KeyValueParams:
lazy_bulk_init_enabled: bool: whether to enable lazy(async) bulk init for SSD TBE
enable_raw_embedding_streaming: Optional[bool]: enable raw embedding streaming for SSD TBE
res_store_shards: Optional[int] = None: the number of shards to store the raw embeddings
kvzch_eviction_trigger_mode: Optional[int]: eviction trigger mode for KVZCH
kvzch_eviction_tbe_config: Optional[KVZCHEvictionTBEConfig]: KVZCH eviction config for TBE

# Parameter Server (PS) Attributes
ps_hosts (Optional[Tuple[Tuple[str, int]]]): List of PS host ip addresses
Expand All @@ -693,7 +694,7 @@ class KeyValueParams:
None # enable raw embedding streaming for SSD TBE
)
res_store_shards: Optional[int] = None # shards to store the raw embeddings
kvzch_eviction_trigger_mode: Optional[int] = None # eviction trigger mode for KVZCH
kvzch_eviction_tbe_config: Optional[KVZCHEvictionTBEConfig] = None

# Parameter Server (PS) Attributes
ps_hosts: Optional[Tuple[Tuple[str, int], ...]] = None
Expand Down Expand Up @@ -722,7 +723,7 @@ def __hash__(self) -> int:
self.lazy_bulk_init_enabled,
self.enable_raw_embedding_streaming,
self.res_store_shards,
self.kvzch_eviction_trigger_mode,
self.kvzch_eviction_tbe_config,
)
)

Expand Down
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