Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 205,460
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     207,708
Calibration 2     206,629
Calibration 3     205,788
ssj_ops@calibrated=206,209
100% 99.6% 206,209 205,460
90% 89.9% 185,588 185,429
80% 79.4% 164,967 163,746
70% 70.0% 144,346 144,315
60% 59.9% 123,725 123,540
50% 50.2% 103,104 103,466
40% 39.9% 82,483 82,362
30% 29.9% 61,863 61,637
20% 19.8% 41,242 40,857
10% 10.0% 20,621 20,541
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,108,339 1,494
Payment 15,108,337
Order Status 1,510,834
Delivery 1,510,832
Stock Level 1,510,834
Customer Report 15,108,340
Calibration 2 New Order 15,028,499 1,494
Payment 15,028,502
Order Status 1,502,851
Delivery 1,502,850
Stock Level 1,502,849
Customer Report 15,028,496
Calibration 3 New Order 14,968,339 1,494
Payment 14,968,336
Order Status 1,496,834
Delivery 1,496,834
Stock Level 1,496,834
Customer Report 14,968,338
100% 99.6% New Order 14,943,540 1,494
Payment 14,943,551
Order Status 1,494,355
Delivery 1,494,354
Stock Level 1,494,355
Customer Report 14,943,546
90% 89.9% New Order 13,486,209 1,494
Payment 13,486,204
Order Status 1,348,619
Delivery 1,348,619
Stock Level 1,348,620
Customer Report 13,486,205
80% 79.4% New Order 11,910,062 1,494
Payment 11,910,062
Order Status 1,191,006
Delivery 1,191,006
Stock Level 1,191,006
Customer Report 11,910,069
70% 70.0% New Order 10,496,457 1,494
Payment 10,496,459
Order Status 1,049,646
Delivery 1,049,646
Stock Level 1,049,646
Customer Report 10,496,465
60% 59.9% New Order 8,985,151 1,494
Payment 8,985,151
Order Status 898,516
Delivery 898,514
Stock Level 898,514
Customer Report 8,985,154
50% 50.2% New Order 7,525,232 1,494
Payment 7,525,242
Order Status 752,525
Delivery 752,523
Stock Level 752,523
Customer Report 7,525,231
40% 39.9% New Order 5,990,195 1,494
Payment 5,990,197
Order Status 599,021
Delivery 599,021
Stock Level 599,019
Customer Report 5,990,196
30% 29.9% New Order 4,482,699 1,494
Payment 4,482,694
Order Status 448,270
Delivery 448,270
Stock Level 448,269
Customer Report 4,482,694
20% 19.8% New Order 2,971,515 1,494
Payment 2,971,515
Order Status 297,151
Delivery 297,150
Stock Level 297,152
Customer Report 2,971,517
10% 10.0% New Order 1,493,944 1,494
Payment 1,493,941
Order Status 149,395
Delivery 149,393
Stock Level 149,393
Customer Report 1,493,938
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0