Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 207,521
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     211,361
Calibration 2     209,200
Calibration 3     209,350
ssj_ops@calibrated=209,275
100% 99.2% 209,275 207,521
90% 89.7% 188,348 187,739
80% 80.0% 167,420 167,438
70% 69.2% 146,493 144,913
60% 59.8% 125,565 125,047
50% 50.6% 104,638 105,962
40% 39.7% 83,710 83,086
30% 30.1% 62,783 63,062
20% 20.2% 41,855 42,174
10% 9.8% 20,928 20,591
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 15,374,743 1,494
Payment 15,374,743
Order Status 1,537,476
Delivery 1,537,475
Stock Level 1,537,474
Customer Report 15,374,740
Calibration 2 New Order 15,216,442 1,494
Payment 15,216,447
Order Status 1,521,644
Delivery 1,521,644
Stock Level 1,521,647
Customer Report 15,216,446
Calibration 3 New Order 15,226,461 1,494
Payment 15,226,461
Order Status 1,522,646
Delivery 1,522,647
Stock Level 1,522,645
Customer Report 15,226,459
100% 99.2% New Order 15,094,422 1,494
Payment 15,094,419
Order Status 1,509,443
Delivery 1,509,442
Stock Level 1,509,441
Customer Report 15,094,419
90% 89.7% New Order 13,655,579 1,494
Payment 13,655,573
Order Status 1,365,557
Delivery 1,365,556
Stock Level 1,365,558
Customer Report 13,655,571
80% 80.0% New Order 12,177,773 1,494
Payment 12,177,771
Order Status 1,217,777
Delivery 1,217,776
Stock Level 1,217,777
Customer Report 12,177,769
70% 69.2% New Order 10,539,526 1,494
Payment 10,539,527
Order Status 1,053,953
Delivery 1,053,952
Stock Level 1,053,952
Customer Report 10,539,521
60% 59.8% New Order 9,095,261 1,494
Payment 9,095,264
Order Status 909,526
Delivery 909,526
Stock Level 909,527
Customer Report 9,095,262
50% 50.6% New Order 7,706,396 1,494
Payment 7,706,398
Order Status 770,639
Delivery 770,639
Stock Level 770,640
Customer Report 7,706,403
40% 39.7% New Order 6,042,726 1,494
Payment 6,042,729
Order Status 604,273
Delivery 604,272
Stock Level 604,273
Customer Report 6,042,727
30% 30.1% New Order 4,586,707 1,494
Payment 4,586,705
Order Status 458,670
Delivery 458,671
Stock Level 458,671
Customer Report 4,586,706
20% 20.2% New Order 3,067,273 1,494
Payment 3,067,274
Order Status 306,727
Delivery 306,727
Stock Level 306,728
Customer Report 3,067,272
10% 9.8% New Order 1,497,576 1,494
Payment 1,497,575
Order Status 149,758
Delivery 149,760
Stock Level 149,756
Customer Report 1,497,575
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0