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Get Started Free →nvidia/jetson-optimize-memory
Reclaim DRAM by disabling unused subsystems across MB1 BCT, MB2 BCT, kernel reserved-memory, and SWIOTLB.
Passed 16 of 16 test cases with the skill, and 4 of 16 without it.
and 28 more in the full report
16 fixed6 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 10 test cases the skill fixed. Same model, same prompt, with and without the skill.
When disabling a target firmware cluster in Jetson MB2 BCT DTS (such as DCE or RCE), what are the three exact control fields inside the auxp_controls node that must be zeroed, and what keyword structure is required to remove AST configuration?
| Checked | Without skill | With skill |
|---|---|---|
| Sets enable_init, enable_fw_load, and enable_unhalt to <0> inside auxp_controls. | Missed | Passed |
| Removes the associated AST configuration using /delete-node/ auxp_ast_config@<idx>; syntax. | Missed | Passed |
The instructions your model reads when the skill loads.
Memory is reserved across four layers ordered by boot chronology (higher row = earlier in boot, closer to hardware):
| Layer | Content | Key files |
|---|---|---|
| MB1 BCT | firmware carveouts | per-module misc DTS |
| MB2 BCT | firmware loading + AST controls | per-module misc DTS |
| Kernel DTS | reserved-memory and driver binding | per-module DTS |
| SWIOTLB | DMA bounce pool size | <module>.conf.common (CMDLINE_ADD) |
Critical rules:
#ifdef/#else looks. Verify the merged binary.target-platform-contract.md; stop on mismatches instead of guessing.| Keyword | MB1 BCT carveouts | MB2 BCT | Kernel DTS |
|---|---|---|---|
headless | DCE-family (see chip table) | DCE auxp_controls + DCE AST(s) | display@<addr> (and dce@<addr> if exposed) → disabled |
no-camera | RCE/VI/ISP-family | RCE auxp_controls (each instance) + RCE AST(s) | recommended: VI/ISP/NVCSI → disabled |
| Scenario | T234 (Orin) | T264 (Thor) |
|---|---|---|
headless | CARVEOUT_BPMP_DCE, CARVEOUT_DCE, CARVEOUT_DCE_TSEC, CARVEOUT_TSEC_DCE, CARVEOUT_DISP_EARLY_BOOT_FB | CARVEOUT_DCE, CARVEOUT_TSEC_DCE, CARVEOUT_HPSE_DCE, CARVEOUT_DISP_EARLY_BOOT_FB |
no-camera | CARVEOUT_RCE, CARVEOUT_CAMERA_TASKLIST | CARVEOUT_RCE, CARVEOUT_RCE1, CARVEOUT_RCE_RW, CARVEOUT_VI_TASKLIST, CARVEOUT_VI1_TASKLIST, CARVEOUT_ISP_TASKLIST, CARVEOUT_ISP1_TASKLIST |
test cases passed, vs 4 / 16 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.