Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,085
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 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     194,410
Calibration 2     191,724
Calibration 3     190,818
ssj_ops@calibrated=191,271
100% 99.9% 191,271 191,085
90% 90.7% 172,144 173,546
80% 81.0% 153,017 154,957
70% 70.0% 133,890 133,807
60% 60.0% 114,763 114,739
50% 50.3% 95,635 96,144
40% 40.4% 76,508 77,254
30% 30.0% 57,381 57,356
20% 19.9% 38,254 38,108
10% 10.1% 19,127 19,294
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
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,141,335 1,494
Payment 14,141,335
Order Status 1,414,134
Delivery 1,414,134
Stock Level 1,414,133
Customer Report 14,141,338
Calibration 2 New Order 13,945,108 1,494
Payment 13,945,107
Order Status 1,394,510
Delivery 1,394,511
Stock Level 1,394,511
Customer Report 13,945,104
Calibration 3 New Order 13,879,312 1,494
Payment 13,879,314
Order Status 1,387,932
Delivery 1,387,930
Stock Level 1,387,932
Customer Report 13,879,310
100% 99.9% New Order 13,897,433 1,494
Payment 13,897,432
Order Status 1,389,742
Delivery 1,389,743
Stock Level 1,389,743
Customer Report 13,897,433
90% 90.7% New Order 12,622,247 1,494
Payment 12,622,243
Order Status 1,262,224
Delivery 1,262,225
Stock Level 1,262,226
Customer Report 12,622,246
80% 81.0% New Order 11,271,115 1,494
Payment 11,271,116
Order Status 1,127,112
Delivery 1,127,112
Stock Level 1,127,112
Customer Report 11,271,110
70% 70.0% New Order 9,731,470 1,494
Payment 9,731,473
Order Status 973,146
Delivery 973,146
Stock Level 973,147
Customer Report 9,731,469
60% 60.0% New Order 8,345,009 1,494
Payment 8,345,012
Order Status 834,500
Delivery 834,502
Stock Level 834,500
Customer Report 8,345,012
50% 50.3% New Order 6,992,816 1,494
Payment 6,992,812
Order Status 699,281
Delivery 699,281
Stock Level 699,281
Customer Report 6,992,814
40% 40.4% New Order 5,618,687 1,494
Payment 5,618,687
Order Status 561,867
Delivery 561,868
Stock Level 561,868
Customer Report 5,618,682
30% 30.0% New Order 4,171,467 1,494
Payment 4,171,467
Order Status 417,148
Delivery 417,146
Stock Level 417,148
Customer Report 4,171,471
20% 19.9% New Order 2,771,603 1,494
Payment 2,771,605
Order Status 277,160
Delivery 277,160
Stock Level 277,160
Customer Report 2,771,604
10% 10.1% New Order 1,403,237 1,494
Payment 1,403,230
Order Status 140,324
Delivery 140,324
Stock Level 140,323
Customer Report 1,403,236
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0