| commit | 28dc0f93bf725d35124d3c17e8aaa654cfa3b498 | [log] [tgz] |
|---|---|---|
| author | Googler <jhorvitz@google.com> | Mon Mar 06 06:14:07 2023 -0800 |
| committer | Copybara-Service <copybara-worker@google.com> | Mon Mar 06 07:23:34 2023 -0800 |
| tree | 1e9fab73f1c5ac023507ffe2abcd253978a2186a | |
| parent | 7c235ff15190b1eefdbd34696a55272bbb221435 [diff] |
Switch `RemoteFileArtifactValue` subclassing to optimize for memory cost. Adding `long expireAtEpochMilli` added 8 bytes to every `RemoteFileArtifactValue`, even ones without an expiration time. In contrast, `PathFragment materializationExecPath` is just a pointer so only costs 4 bytes, and since without it the cost is rounded up to the next multiple of 8 anyway (28 -> 32), it is free to add this field. Conveniently, since the expiration doesn't factor into `hashCode`/`equals`, it's actually simpler to arrange the classes this way. PiperOrigin-RevId: 514388630 Change-Id: I50a7e4e03b266f1a2dfad2fa38005c0c9a0cfa10
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