Repository navigation
t27t: profile the t27c CPU trainer -- 94.2% of a train_hslm step is matmul, 42.4% outer_add; four levers bounded (Closes #10850) - #10857
Merged
Conversation
This was referenced Oct 19, 2026
Contributor
gHashTag
enabled auto-merge (squash)
October 19, 2026 05:25
This was referenced Oct 19, 2026
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…nds (#10850) Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…now std.os.linux.timespec (#10850) Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
gHashTag
force-pushed
the
claude/peaceful-kepler-585ad9
branch
from
October 19, 2026 05:52
bb72d04 to
06968d7
Compare
This was referenced Oct 19, 2026
Merged
Merged
Contributor
PR DashboardGenerated at: 2026-10-19 06:32:25 UTC
Summary
Seal Status
|
This was referenced Oct 19, 2026
Merged
7 of 8 tasks
gHashTag
added a commit
that referenced
this pull request
Oct 19, 2026
…in_hslm.t27 and its seal kept at the thread version) Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Closes #10850
What
profile=1reads the monotonic clock;profile=2reads the thread's CPU clock.--backend mlbinary of train_hslm.NOT_MEASURED.Measured
Railway lab, 48 cores, shared host at load 56–86, 2026-10-19. 20 steps at speed 2, loss_positions 27 (1782 scored positions per step). CPU clock, net of the clock reads:
profile=1) gives the same matmul share, 94.1%, and the same biggest part. Its total closes on train_s (133.79 s).profile=2costs 0.05% of s_per_step: 7.6970 s against 7.6935 s with the profile off. The losses are identical.Lever bounds (Amdahl on the split; ceilings, not measurements)
--backend mlsupport?Checks (lab)
🤖 Generated with Claude Code